Malware Analysis Report

2024-10-10 08:08

Sample ID 240610-x2qgxaxdnc
Target E4Bootstrapper.exe
SHA256 9d7cf052119784f65aca998c6e0c87f662e9423e51e1a3475e83d24f3b3b47e3
Tags
evasion persistence themida trojan
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

9d7cf052119784f65aca998c6e0c87f662e9423e51e1a3475e83d24f3b3b47e3

Threat Level: Likely malicious

The file E4Bootstrapper.exe was found to be: Likely malicious.

Malicious Activity Summary

evasion persistence themida trojan

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Sets file to hidden

Checks computer location settings

Themida packer

Executes dropped EXE

Loads dropped DLL

Checks BIOS information in registry

Legitimate hosting services abused for malware hosting/C2

Adds Run key to start application

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Enumerates physical storage devices

Delays execution with timeout.exe

Views/modifies file attributes

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-10 19:21

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 19:21

Reported

2024-06-10 19:23

Platform

win7-20231129-en

Max time kernel

135s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe"

Signatures

Sets file to hidden

evasion
Description Indicator Process Target
N/A N/A C:\Windows\System32\attrib.exe N/A
N/A N/A C:\Windows\System32\attrib.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe N/A
N/A N/A C:\Windows\system32\cmd.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\$77MicrosoftData\\$77$77svchost.exe.exe\"" C:\Users\Admin\AppData\Local\Temp\E4.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\System32\schtasks.exe N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\E4.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2232 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe C:\Users\Admin\AppData\Local\Temp\E4.exe
PID 2232 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe C:\Users\Admin\AppData\Local\Temp\E4.exe
PID 2232 wrote to memory of 2252 N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe C:\Users\Admin\AppData\Local\Temp\E4.exe
PID 2232 wrote to memory of 2868 N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe
PID 2232 wrote to memory of 2868 N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe
PID 2232 wrote to memory of 2868 N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe
PID 2232 wrote to memory of 2868 N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe
PID 2252 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\System32\attrib.exe
PID 2252 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\System32\attrib.exe
PID 2252 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\System32\attrib.exe
PID 2252 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\System32\attrib.exe
PID 2252 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\System32\attrib.exe
PID 2252 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\System32\attrib.exe
PID 2252 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\system32\cmd.exe
PID 2252 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\system32\cmd.exe
PID 2252 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\system32\cmd.exe
PID 1924 wrote to memory of 1416 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 1924 wrote to memory of 1416 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 1924 wrote to memory of 1416 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 1924 wrote to memory of 940 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe
PID 1924 wrote to memory of 940 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe
PID 1924 wrote to memory of 940 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe
PID 940 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\system32\schtasks.exe
PID 940 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\system32\schtasks.exe
PID 940 wrote to memory of 1968 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\system32\schtasks.exe
PID 940 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\system32\schtasks.exe
PID 940 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\system32\schtasks.exe
PID 940 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\system32\schtasks.exe
PID 940 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\system32\schtasks.exe
PID 940 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\system32\schtasks.exe
PID 940 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\system32\schtasks.exe
PID 940 wrote to memory of 1604 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\System32\schtasks.exe
PID 940 wrote to memory of 1604 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\System32\schtasks.exe
PID 940 wrote to memory of 1604 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\System32\schtasks.exe

Uses Task Scheduler COM API

persistence

Views/modifies file attributes

evasion
Description Indicator Process Target
N/A N/A C:\Windows\System32\attrib.exe N/A
N/A N/A C:\Windows\System32\attrib.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe

"C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe"

C:\Users\Admin\AppData\Local\Temp\E4.exe

"C:\Users\Admin\AppData\Local\Temp\E4.exe"

C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe

"C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"

C:\Windows\System32\attrib.exe

"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\$77MicrosoftData"

C:\Windows\System32\attrib.exe

"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe"

C:\Windows\system32\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp66DE.tmp.bat""

C:\Windows\system32\timeout.exe

timeout 3

C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe

"C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe"

C:\Windows\system32\schtasks.exe

"schtasks.exe" /query /TN $77$77svchost.exe.exe

C:\Windows\system32\schtasks.exe

"schtasks.exe" /Create /SC ONCE /TN "$77$77svchost.exe.exe" /TR "C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe \"\$77$77svchost.exe.exe\" /AsAdmin" /ST 00:01 /IT /F /RL HIGHEST

C:\Windows\system32\schtasks.exe

"schtasks.exe" /query /TN $77$77svchost.exe.exe

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /sc daily /tn "$77svchost.exe_Task-DAILY-21PM" /TR "%MyFile%" /ST 21:00

Network

Country Destination Domain Proto
US 8.8.8.8:53 github.com udp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 raw.githubusercontent.com udp
US 185.199.109.133:443 raw.githubusercontent.com tcp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 discord.com udp
US 162.159.135.232:443 discord.com tcp
US 8.8.8.8:53 www.microsoft.com udp
CA 174.117.48.242:7000 tcp
CA 174.117.48.242:7000 tcp
CA 174.117.48.242:7000 tcp
CA 174.117.48.242:7000 tcp
CA 174.117.48.242:7000 tcp
CA 174.117.48.242:7000 tcp

Files

memory/2232-0-0x000007FEF5253000-0x000007FEF5254000-memory.dmp

memory/2232-1-0x00000000002F0000-0x0000000000300000-memory.dmp

\Users\Admin\AppData\Local\Temp\E4.exe

MD5 1cfe818c59790fae5f9f14a9e8279216
SHA1 a59f41a6d3992e2cd1911fb753a56d60d42c924e
SHA256 8188936b9120d45b43047e23cd45ddd4f174454fbeba94d9cf4c3409b1419bc9
SHA512 d189823dbefd4e6d4532bb0be86bd6441802e20eef05d7e963943da6faad0070cf2a314b1f74a9b970bcd666a3c42a46f6d72d4c1a1a335fc55ccd45ef2681ef

C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe

MD5 6557bd5240397f026e675afb78544a26
SHA1 839e683bf68703d373b6eac246f19386bb181713
SHA256 a7fecfc225dfdd4e14dcd4d1b4ba1b9f8e4d1984f1cdd8cda3a9987e5d53c239
SHA512 f2399d34898a4c0c201372d2dd084ee66a66a1c3eae949e568421fe7edada697468ef81f4fcab2afd61eaf97bcb98d6ade2d97295e2f674e93116d142e892e97

memory/2252-13-0x000000013F800000-0x000000013F80E000-memory.dmp

memory/2232-14-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

memory/2868-16-0x0000000000D30000-0x0000000000D3A000-memory.dmp

memory/2252-17-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

memory/2232-18-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp66DE.tmp.bat

MD5 cd95562ee5697a8ba3b4d2ab06761856
SHA1 e42891d37a548c1c596ee99da46561fdb3e2596f
SHA256 0b1f988406d2f40ad5228a3d5859ea6be6a93af8ed2ceb5045cad1181d016bf2
SHA512 6e7c683ef7ab3fc175fb21e6dd2c891709c152c3d6f1c65bc9a34c1e5a295cb1d73aa41aea77f8739b7aa26f35acebf0f666d8c7bafac1df2ae202e5d4e228ee

memory/2252-28-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

memory/940-33-0x000000013F8F0000-0x000000013F8FE000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\Tar8194.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 19:21

Reported

2024-06-10 19:22

Platform

win10v2004-20240426-en

Max time kernel

79s

Max time network

86s

Command Line

"C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe N/A

Sets file to hidden

evasion
Description Indicator Process Target
N/A N/A C:\Windows\System32\attrib.exe N/A
N/A N/A C:\Windows\System32\attrib.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\E4.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe N/A

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\$77MicrosoftData\\$77$77svchost.exe.exe\"" C:\Users\Admin\AppData\Local\Temp\E4.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A
N/A N/A C:\Windows\System32\schtasks.exe N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\E4.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3832 wrote to memory of 3228 N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe C:\Users\Admin\AppData\Local\Temp\E4.exe
PID 3832 wrote to memory of 3228 N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe C:\Users\Admin\AppData\Local\Temp\E4.exe
PID 3832 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe
PID 3832 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe
PID 3832 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe
PID 3228 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\System32\attrib.exe
PID 3228 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\System32\attrib.exe
PID 3228 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\System32\attrib.exe
PID 3228 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\System32\attrib.exe
PID 780 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe
PID 780 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe
PID 3228 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\system32\cmd.exe
PID 3228 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\E4.exe C:\Windows\system32\cmd.exe
PID 4516 wrote to memory of 4148 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 4516 wrote to memory of 4148 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 4516 wrote to memory of 3928 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe
PID 4516 wrote to memory of 3928 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe
PID 3928 wrote to memory of 3604 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\SYSTEM32\schtasks.exe
PID 3928 wrote to memory of 3604 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\SYSTEM32\schtasks.exe
PID 3928 wrote to memory of 100 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\SYSTEM32\schtasks.exe
PID 3928 wrote to memory of 100 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\SYSTEM32\schtasks.exe
PID 3928 wrote to memory of 3712 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\SYSTEM32\schtasks.exe
PID 3928 wrote to memory of 3712 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\SYSTEM32\schtasks.exe
PID 3928 wrote to memory of 692 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\System32\schtasks.exe
PID 3928 wrote to memory of 692 N/A C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe C:\Windows\System32\schtasks.exe

Uses Task Scheduler COM API

persistence

Views/modifies file attributes

evasion
Description Indicator Process Target
N/A N/A C:\Windows\System32\attrib.exe N/A
N/A N/A C:\Windows\System32\attrib.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe

"C:\Users\Admin\AppData\Local\Temp\E4Bootstrapper.exe"

C:\Users\Admin\AppData\Local\Temp\E4.exe

"C:\Users\Admin\AppData\Local\Temp\E4.exe"

C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe

"C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"

C:\Windows\System32\attrib.exe

"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\$77MicrosoftData"

C:\Windows\System32\attrib.exe

"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe"

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe

"C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD62C.tmp.bat""

C:\Windows\system32\timeout.exe

timeout 3

C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe

"C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe"

C:\Windows\SYSTEM32\schtasks.exe

"schtasks.exe" /query /TN $77$77svchost.exe.exe

C:\Windows\SYSTEM32\schtasks.exe

"schtasks.exe" /Create /SC ONCE /TN "$77$77svchost.exe.exe" /TR "C:\Users\Admin\AppData\Roaming\$77MicrosoftData\$77$77svchost.exe.exe \"\$77$77svchost.exe.exe\" /AsAdmin" /ST 00:01 /IT /F /RL HIGHEST

C:\Windows\SYSTEM32\schtasks.exe

"schtasks.exe" /query /TN $77$77svchost.exe.exe

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /sc daily /tn "$77svchost.exe_Task-DAILY-21PM" /TR "%MyFile%" /ST 21:00

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 github.com udp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 raw.githubusercontent.com udp
US 185.199.108.133:443 raw.githubusercontent.com tcp
US 8.8.8.8:53 215.156.26.20.in-addr.arpa udp
US 8.8.8.8:53 133.108.199.185.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.136.232:443 discord.com tcp
CA 174.117.48.242:7000 tcp
US 8.8.8.8:53 232.136.159.162.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 185.199.108.133:443 raw.githubusercontent.com tcp
N/A 127.0.0.1:50971 tcp
CA 174.117.48.242:7000 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
CA 174.117.48.242:7000 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/3832-0-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

memory/3832-1-0x00007FFC01D63000-0x00007FFC01D65000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\E4.exe

MD5 1cfe818c59790fae5f9f14a9e8279216
SHA1 a59f41a6d3992e2cd1911fb753a56d60d42c924e
SHA256 8188936b9120d45b43047e23cd45ddd4f174454fbeba94d9cf4c3409b1419bc9
SHA512 d189823dbefd4e6d4532bb0be86bd6441802e20eef05d7e963943da6faad0070cf2a314b1f74a9b970bcd666a3c42a46f6d72d4c1a1a335fc55ccd45ef2681ef

memory/3228-25-0x00000000005D0000-0x00000000005DE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe

MD5 6557bd5240397f026e675afb78544a26
SHA1 839e683bf68703d373b6eac246f19386bb181713
SHA256 a7fecfc225dfdd4e14dcd4d1b4ba1b9f8e4d1984f1cdd8cda3a9987e5d53c239
SHA512 f2399d34898a4c0c201372d2dd084ee66a66a1c3eae949e568421fe7edada697468ef81f4fcab2afd61eaf97bcb98d6ade2d97295e2f674e93116d142e892e97

memory/3832-12-0x00007FFC01D60000-0x00007FFC02821000-memory.dmp

memory/3228-26-0x00007FFC01D60000-0x00007FFC02821000-memory.dmp

memory/3228-27-0x00007FFC01D60000-0x00007FFC02821000-memory.dmp

memory/780-29-0x0000000000330000-0x000000000033A000-memory.dmp

memory/780-30-0x0000000002670000-0x000000000267A000-memory.dmp

memory/780-33-0x00000000056C0000-0x00000000056D2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Monaco\fileaccess\node_modules\get-intrinsic\.nycrc

MD5 d0104f79f0b4f03bbcd3b287fa04cf8c
SHA1 54f9d7adf8943cb07f821435bb269eb4ba40ccc2
SHA256 997785c50b0773e5e18bf15550fbf57823c634fefe623cd37b3c83696402ad0a
SHA512 daf9b5445cfc02397f398adfa0258f2489b70699dfec6ca7e5b85afe5671fdcabe59edee332f718f5e5778feb1e301778dffe93bb28c1c0914f669659bad39c6

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Monaco\fileaccess\node_modules\hasown\.nycrc

MD5 c2ab942102236f987048d0d84d73d960
SHA1 95462172699187ac02eaec6074024b26e6d71cff
SHA256 948366fea3b423a46366326d0bb2e54b08abd1cf0b243678ba6625740c40da5a
SHA512 e36b20c16ceeb090750f3865efc8d7fd983ae4e8b41c30cc3865d2fd4925bf5902627e1f1ed46c0ff2453f076ef9de34be899ef57754b29cd158440071318479

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Monaco\fileaccess\node_modules\has-proto\.eslintrc

MD5 c28b0fe9be6e306cc2ad30fe00e3db10
SHA1 af79c81bd61c9a937fca18425dd84cdf8317c8b9
SHA256 0694050195fc694c5846b0a2a66b437ac775da988f0a779c55fb892597f7f641
SHA512 e3eca17804522ffa4f41e836e76e397a310a20e8261a38115b67e8b644444153039d04198fb470f45be2997d2c7a72b15bd4771a02c741b3cbc072ea6ef432e9

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Monaco\fileaccess\node_modules\vary\LICENSE

MD5 13babc4f212ce635d68da544339c962b
SHA1 4881ad2ec8eb2470a7049421047c6d076f48f1de
SHA256 bd47ce7b88c7759630d1e2b9fcfa170a0f1fde522be09e13fb1581a79d090400
SHA512 40e30174433408e0e2ed46d24373b12def47f545d9183b7bce28d4ddd8c8bb528075c7f20e118f37661db9f1bba358999d81a14425eb3e0a4a20865dfcb53182

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe

MD5 f8f4522d11178a26e97e2046f249dfa7
SHA1 8b591d9a37716e235260fb6b3f601e4ccbebf15d
SHA256 3c372a8919c28dc76414b2f30da423c3e1018b1a8444527949ce20cc3fc93ed0
SHA512 52ea881cad501cf1d5e8ac47355e862ac1bd39cb6e1ff3d362d392b6f2d676e74878832505d17a552aaa3bc8f3977da11fa3f9903722eedd23716fb46ddb7492

memory/1900-1499-0x000001906D7E0000-0x000001906D7FA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Wpf.Ui.dll

MD5 aead90ab96e2853f59be27c4ec1e4853
SHA1 43cdedde26488d3209e17efff9a51e1f944eb35f
SHA256 46cfbe804b29c500ebc0b39372e64c4c8b4f7a8e9b220b5f26a9adf42fcb2aed
SHA512 f5044f2ee63906287460b9adabfcf3c93c60b51c86549e33474c4d7f81c4f86cd03cd611df94de31804c53006977874b8deb67c4bf9ea1c2b70c459b3a44b38d

memory/1900-1501-0x0000019070310000-0x000001907084C000-memory.dmp

memory/1900-1502-0x000001906FF80000-0x000001907003A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Microsoft.Web.WebView2.Core.dll

MD5 851fee9a41856b588847cf8272645f58
SHA1 ee185a1ff257c86eb19d30a191bf0695d5ac72a1
SHA256 5e7faee6b8230ca3b97ce9542b914db3abbbd1cb14fd95a39497aaad4c1094ca
SHA512 cf5c70984cf33e12cf57116da1f282a5bd6433c570831c185253d13463b0b9a0b9387d4d1bf4dddab3292a5d9ba96d66b6812e9d7ebc5eb35cb96eea2741348f

memory/1900-1504-0x0000019070040000-0x00000190700BE000-memory.dmp

memory/1900-1506-0x000001906F4B0000-0x000001906F4BE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Microsoft.Web.WebView2.Wpf.dll

MD5 34ec990ed346ec6a4f14841b12280c20
SHA1 6587164274a1ae7f47bdb9d71d066b83241576f0
SHA256 1e987b22cd011e4396a0805c73539586b67df172df75e3dded16a77d31850409
SHA512 b565015ca4b11b79ecbc8127f1fd40c986948050f1caefdd371d34ed2136af0aabf100863dc6fd16d67e3751d44ee13835ea9bf981ac0238165749c4987d1ae0

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\WebView2Loader.dll

MD5 a0bd0d1a66e7c7f1d97aedecdafb933f
SHA1 dd109ac34beb8289030e4ec0a026297b793f64a3
SHA256 79d7e45f8631e8d2541d01bfb5a49a3a090be72b3d465389a2d684680fee2e36
SHA512 2a50ae5c7234a44b29f82ebc2e3cfed37bf69294eb00b2dc8905c61259975b2f3a059c67aeab862f002752454d195f7191d9b82b056f6ef22d6e1b0bb3673d50

memory/3832-1509-0x00007FFC01D60000-0x00007FFC02821000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpD62C.tmp.bat

MD5 80249e4beb4e95943a89aab6a4923837
SHA1 df2e4e7ee7421cb1107bb68ad3325d7d793d1094
SHA256 7a5c5dad5080d3257689ca779aa55f5d5b2bcf43d9b8746de103b11e9ef7fe9e
SHA512 8158549e793d5f52917e7d467e216ca0e5377fded0e7e4af62400fd141744962a395562c0f21d0414bbd7065346ddbad0104bc92de99c3770622df0ed3409a5e

memory/3228-1514-0x00007FFC01D60000-0x00007FFC02821000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.dll

MD5 987175c463ec9a5e76bab033cea9d859
SHA1 ceed36975f4583a34c26150e045a97f5f019e769
SHA256 24fca8dd76effd975d230f55eb107e1be6c03d658410274fe6340a2b3ec9075c
SHA512 9851d254fef3fdfcd7b188893a9a547ed3f08eee82a72c273f13beb7d075beecd32e3c5c51f9e3135d7060fca71a2bf79dbdbb1a136549a9e408a6214feaa000

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\libcurl.dll

MD5 e31f5136d91bad0fcbce053aac798a30
SHA1 ee785d2546aec4803bcae08cdebfd5d168c42337
SHA256 ee94e2201870536522047e6d7fe7b903a63cd2e13e20c8fffc86d0e95361e671
SHA512 a1543eb1d10d25efb44f9eaa0673c82bfac5173055d04c0f3be4792984635a7c774df57a8e289f840627754a4e595b855d299070d469e0f1e637c3f35274abe6

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\vcruntime140.dll

MD5 7a2b8cfcd543f6e4ebca43162b67d610
SHA1 c1c45a326249bf0ccd2be2fbd412f1a62fb67024
SHA256 7d7ca28235fba5603a7f40514a552ac7efaa67a5d5792bb06273916aa8565c5f
SHA512 e38304fb9c5af855c1134f542adf72cde159fab64385533eafa5bb6e374f19b5a29c0cb5516fc5da5c0b5ac47c2f6420792e0ac8ddff11e749832a7b7f3eb5c8

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\zlib1.dll

MD5 75365924730b0b2c1a6ee9028ef07685
SHA1 a10687c37deb2ce5422140b541a64ac15534250f
SHA256 945e7f5d09938b7769a4e68f4ef01406e5af9f40db952cba05ddb3431dd1911b
SHA512 c1e31c18903e657203ae847c9af601b1eb38efa95cb5fa7c1b75f84a2cba9023d08f1315c9bb2d59b53256dfdb3bac89930252138475491b21749471adc129a1

memory/1900-1527-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/1900-1526-0x000001906FF10000-0x000001906FF18000-memory.dmp

memory/1900-1528-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/1900-1530-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/1900-1529-0x0000000180000000-0x0000000180E54000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Solara.Dir\bin\path.txt

MD5 0e2184f1c7464b6617329fb18f107b4f
SHA1 6f22f98471e33c9db10d6f6f1728e98852e25b8f
SHA256 dbf5f44e1b84a298dbbcad3c31a617d2f6cfa08eb5d16e05a5c28726c574d4eb
SHA512 8e745c0215d52e15702551f29efb882a5eba97b5f279ccc29293b1a9b1b8661bf71b548569f9a99fa35c35a15d1b6b288d3c381c1292418c36dc89e2fa0b3a37

memory/1900-1531-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/1900-1534-0x0000019074B50000-0x0000019074B5E000-memory.dmp

memory/1900-1533-0x0000019074B80000-0x0000019074BB8000-memory.dmp

memory/1900-1535-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/1900-1536-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/1900-1537-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/1900-1538-0x0000000180000000-0x0000000180E54000-memory.dmp

memory/1900-1539-0x0000000180000000-0x0000000180E54000-memory.dmp