Malware Analysis Report

2024-11-16 13:18

Sample ID 240518-rg6eqsfb4x
Target d3bb4b2f24749935ceec7e23742f799a
SHA256 d7d5c378655d1219fa9651e8560658e054e31d0f30318b642b2b52516d19dc44
Tags
ramnit sality backdoor banker evasion spyware stealer trojan upx worm
score
10/10

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 Overview

score
10/10

SHA256

d7d5c378655d1219fa9651e8560658e054e31d0f30318b642b2b52516d19dc44

Threat Level: Known bad

The file d3bb4b2f24749935ceec7e23742f799a was found to be: Known bad.

Malicious Activity Summary

ramnit sality backdoor banker evasion spyware stealer trojan upx worm

Ramnit

UAC bypass

Sality

UPX packed file

Loads dropped DLL

Checks whether UAC is enabled

Drops file in Windows directory

Program crash

Unsigned PE

Suspicious use of UnmapMainImage

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

System policy modification

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-18 14:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 14:10

Reported

2024-05-18 14:11

Platform

win10v2004-20240508-en

Max time kernel

34s

Max time network

35s

Command Line

"fontdrvhost.exe"

Signatures

Ramnit

trojan spyware stealer worm banker ramnit

Sality

backdoor sality

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings C:\Windows\system32\OpenWith.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3048 wrote to memory of 800 N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe C:\Windows\system32\fontdrvhost.exe
PID 3048 wrote to memory of 808 N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe C:\Windows\system32\fontdrvhost.exe
PID 3048 wrote to memory of 64 N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe C:\Windows\system32\dwm.exe
PID 3048 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe C:\Windows\system32\sihost.exe
PID 3048 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe C:\Windows\system32\svchost.exe
PID 3048 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe C:\Windows\system32\taskhostw.exe
PID 3048 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe C:\Windows\Explorer.EXE
PID 3048 wrote to memory of 3712 N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe C:\Windows\system32\svchost.exe
PID 3048 wrote to memory of 3904 N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe C:\Windows\system32\DllHost.exe
PID 3048 wrote to memory of 3996 N/A C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe N/A

Processes

C:\Windows\system32\fontdrvhost.exe

"fontdrvhost.exe"

C:\Windows\system32\fontdrvhost.exe

"fontdrvhost.exe"

C:\Windows\system32\dwm.exe

"dwm.exe"

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc

C:\Windows\system32\taskhostw.exe

taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc

C:\Windows\system32\DllHost.exe

C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe

"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca

C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe

"C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3048 -ip 3048

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 720

C:\Windows\system32\OpenWith.exe

C:\Windows\system32\OpenWith.exe -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
NL 23.62.61.160:443 www.bing.com tcp
US 8.8.8.8:53 160.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp

Files

memory/3048-0-0x0000000000400000-0x0000000000433000-memory.dmp

memory/3048-1-0x0000000003230000-0x0000000004260000-memory.dmp

memory/3048-8-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3048-15-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3048-18-0x00000000009E0000-0x00000000009E1000-memory.dmp

memory/3048-17-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3048-14-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3048-13-0x0000000003230000-0x0000000004260000-memory.dmp

memory/3048-9-0x0000000003230000-0x0000000004260000-memory.dmp

memory/3048-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3048-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3048-5-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3048-3-0x0000000003230000-0x0000000004260000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\~TM3F6A.tmp

MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

memory/3048-24-0x0000000077A12000-0x0000000077A13000-memory.dmp

memory/3048-23-0x0000000077A12000-0x0000000077A14000-memory.dmp

memory/3048-22-0x00000000779ED000-0x00000000779EF000-memory.dmp