rhadamanthys | 62ea8ac2927d5de142414964ba812d8fbd18b890569f39d2ed9ef79a538eac49

Analysis

max time kernel
135s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08/06/2024, 14:20

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General

Target
PisiValo.exe
Size 1.2MB
Sample240608-rnqymadc67
SHA256 62ea8ac2927d5de142414964ba812d8fbd18b890569f39d2ed9ef79a538eac49
MD5 8d3d5a1d29ddfb4fdbef90f09f9f54de
SHA1 a22da1d825e52f59f045c776a9d20393f74d8df0
SHA512 ea9d6d285d51fdc3848a8fa8834bb0775d297bf416985c507e5eaaf7fc290863defc1e126f361d35acee9b196e5da64e10b80cc12987738ffa12c2d3e3036757
SSDEEP 24576:WkQhavMUptl7Ko60OegX7AonnJXnMvQo:WkSodM0Ervnn
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

rhadamanthys execution persistence stealer

Malware Config

Signatures

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3708 created 2656	3708	notepad.exe	44

Downloads MZ/PE file

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SyMQNaMJObWq\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\SyMQNaMJObWq"	drvloader.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	PisiValo.exe

Executes dropped EXE 1 IoCs

pid	Process
2076	drvloader.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\temp89103.vbs	notepad.exe
File created	C:\Windows\SysWOW64\Temp423810.bat	notepad.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SoftwareDistribution\Download\vac.sys	PisiValo.exe
File created	C:\Windows\SoftwareDistribution\Download\drvloader.exe	PisiValo.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2208	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2128	3708	WerFault.exe	85
2580	3708	WerFault.exe	85

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4700	PisiValo.exe
4700	PisiValo.exe
1312	notepad.exe
1312	notepad.exe
2208	powershell.exe
2208	powershell.exe
3708	notepad.exe
3708	notepad.exe
1692	dialer.exe
1692	dialer.exe
1692	dialer.exe
1692	dialer.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2076	drvloader.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeLoadDriverPrivilege	2076	drvloader.exe
Token: SeIncreaseQuotaPrivilege	2208	powershell.exe
Token: SeSecurityPrivilege	2208	powershell.exe
Token: SeTakeOwnershipPrivilege	2208	powershell.exe
Token: SeLoadDriverPrivilege	2208	powershell.exe
Token: SeSystemProfilePrivilege	2208	powershell.exe
Token: SeSystemtimePrivilege	2208	powershell.exe
Token: SeProfSingleProcessPrivilege	2208	powershell.exe
Token: SeIncBasePriorityPrivilege	2208	powershell.exe
Token: SeCreatePagefilePrivilege	2208	powershell.exe
Token: SeBackupPrivilege	2208	powershell.exe
Token: SeRestorePrivilege	2208	powershell.exe
Token: SeShutdownPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeSystemEnvironmentPrivilege	2208	powershell.exe
Token: SeRemoteShutdownPrivilege	2208	powershell.exe
Token: SeUndockPrivilege	2208	powershell.exe
Token: SeManageVolumePrivilege	2208	powershell.exe
Token: 33	2208	powershell.exe
Token: 34	2208	powershell.exe
Token: 35	2208	powershell.exe
Token: 36	2208	powershell.exe
Token: SeIncreaseQuotaPrivilege	2208	powershell.exe
Token: SeSecurityPrivilege	2208	powershell.exe
Token: SeTakeOwnershipPrivilege	2208	powershell.exe
Token: SeLoadDriverPrivilege	2208	powershell.exe
Token: SeSystemProfilePrivilege	2208	powershell.exe
Token: SeSystemtimePrivilege	2208	powershell.exe
Token: SeProfSingleProcessPrivilege	2208	powershell.exe
Token: SeIncBasePriorityPrivilege	2208	powershell.exe
Token: SeCreatePagefilePrivilege	2208	powershell.exe
Token: SeBackupPrivilege	2208	powershell.exe
Token: SeRestorePrivilege	2208	powershell.exe
Token: SeShutdownPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeSystemEnvironmentPrivilege	2208	powershell.exe
Token: SeRemoteShutdownPrivilege	2208	powershell.exe
Token: SeUndockPrivilege	2208	powershell.exe
Token: SeManageVolumePrivilege	2208	powershell.exe
Token: 33	2208	powershell.exe
Token: 34	2208	powershell.exe
Token: 35	2208	powershell.exe
Token: 36	2208	powershell.exe
Token: SeIncreaseQuotaPrivilege	2208	powershell.exe
Token: SeSecurityPrivilege	2208	powershell.exe
Token: SeTakeOwnershipPrivilege	2208	powershell.exe
Token: SeLoadDriverPrivilege	2208	powershell.exe
Token: SeSystemProfilePrivilege	2208	powershell.exe
Token: SeSystemtimePrivilege	2208	powershell.exe
Token: SeProfSingleProcessPrivilege	2208	powershell.exe
Token: SeIncBasePriorityPrivilege	2208	powershell.exe
Token: SeCreatePagefilePrivilege	2208	powershell.exe
Token: SeBackupPrivilege	2208	powershell.exe
Token: SeRestorePrivilege	2208	powershell.exe
Token: SeShutdownPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeSystemEnvironmentPrivilege	2208	powershell.exe
Token: SeRemoteShutdownPrivilege	2208	powershell.exe
Token: SeUndockPrivilege	2208	powershell.exe
Token: SeManageVolumePrivilege	2208	powershell.exe
Token: 33	2208	powershell.exe
Token: 34	2208	powershell.exe
Token: 35	2208	powershell.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 1312	4700	PisiValo.exe	83
PID 4700 wrote to memory of 1312	4700	PisiValo.exe	83
PID 4700 wrote to memory of 1312	4700	PisiValo.exe	83
PID 4700 wrote to memory of 1312	4700	PisiValo.exe	83
PID 1312 wrote to memory of 3708	1312	notepad.exe	85
PID 1312 wrote to memory of 3708	1312	notepad.exe	85
PID 1312 wrote to memory of 3708	1312	notepad.exe	85
PID 1312 wrote to memory of 3708	1312	notepad.exe	85
PID 1312 wrote to memory of 892	1312	notepad.exe	88
PID 1312 wrote to memory of 892	1312	notepad.exe	88
PID 1312 wrote to memory of 892	1312	notepad.exe	88
PID 892 wrote to memory of 2208	892	cmd.exe	90
PID 892 wrote to memory of 2208	892	cmd.exe	90
PID 892 wrote to memory of 2208	892	cmd.exe	90
PID 4700 wrote to memory of 2076	4700	PisiValo.exe	91
PID 4700 wrote to memory of 2076	4700	PisiValo.exe	91
PID 4700 wrote to memory of 3264	4700	PisiValo.exe	93
PID 4700 wrote to memory of 3264	4700	PisiValo.exe	93
PID 4700 wrote to memory of 3720	4700	PisiValo.exe	94
PID 4700 wrote to memory of 3720	4700	PisiValo.exe	94
PID 4700 wrote to memory of 1568	4700	PisiValo.exe	95
PID 4700 wrote to memory of 1568	4700	PisiValo.exe	95
PID 3708 wrote to memory of 1692	3708	notepad.exe	96
PID 3708 wrote to memory of 1692	3708	notepad.exe	96
PID 3708 wrote to memory of 1692	3708	notepad.exe	96
PID 3708 wrote to memory of 1692	3708	notepad.exe	96
PID 3708 wrote to memory of 1692	3708	notepad.exe	96

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656
- C:\Windows\SysWOW64\dialer.exe
  "C:\Windows\system32\dialer.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1692

C:\Users\Admin\AppData\Local\Temp\PisiValo.exe
"C:\Users\Admin\AppData\Local\Temp\PisiValo.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\SysWOW64\notepad.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1312
- - C:\Windows\SysWOW64\notepad.exe
    "C:\Windows\SysWOW64\notepad.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3708
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 932
      4⤵
      Program crash
      PID:2128
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 940
      4⤵
      Program crash
      PID:2580
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\SysWOW64\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\temp321340.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:892
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command " $action = New-ScheduledTaskAction -Execute 'C:\Windows\SysWOW64\temp89103.vbs'; $trigger = New-ScheduledTaskTrigger -AtLogOn; $principal = New-ScheduledTaskPrincipal -UserId 'Admin' -LogonType Interactive -RunLevel Highest; $settings = New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries; $task = New-ScheduledTask -Action $action -Principal $principal -Trigger $trigger -Settings $settings; Register-ScheduledTask -TaskName 'PrintCleanUpper' -InputObject $task -Force;"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2208
- C:\Windows\SoftwareDistribution\Download\drvloader.exe
  "C:\Windows\SoftwareDistribution\Download\drvloader.exe" C:\Windows\SoftwareDistribution\Download\vac.sys
  2⤵
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2076
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c color e
  2⤵
  PID:3264
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:3720
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c color c
  2⤵
  PID:1568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3708 -ip 3708
1⤵
PID:64

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3708 -ip 3708
1⤵
PID:4152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_xrd0jwfz.flx.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xrd0jwfz.flx.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

temp321340.bat

Path C:\Users\Admin\AppData\Local\Temp\temp321340.bat
Size 871B
SHA256 ad97cc4569146bf5216cdb35b528f4519a1376e3c81e155064543faf2805ebd7
MD5 b44256f47d786b6add91128beb31d766
SHA1 5ca8e5bc6d0a82fdff3ff8e8c74dc8112fd13fd3
SHA512 e80abf537923d6025b986f27b756d6b6429cf00a7cdc5bf8096eeb468dafa84f4e34c6bf2ac88f96259745b76832fc15d59c1cdf7c0393558adeeefac94dfd05
MD5 SHA1 SHA512

Submit Download

drvloader.exe

Path C:\Windows\SoftwareDistribution\Download\drvloader.exe
Size 134KB
SHA256 6ebcc6896b243c761da4fc28a26249b0c146ae17aff7697c09bc447008e831df
MD5 34cfbe3ff70461820ccc31a1afeec0b3
SHA1 5d32e91c039c9a6f723ba3c04c1179d02e6a0ce9
SHA512 1ca4661be645e7e954d89c83f1fd126a5e936533052d4e330c9faccb83bb5942d28265375cee743e468b1625a0c1f10888e7957fe88c718e8501a86a78cdc06e
SSDEEP 3072:rOUDtpXnRNEvhxNyatnKl9rGmJTQSaMm5/6TYfEBjgQ:rOUDDXnRNEv7wEo9WlTfYjg
MD5 SHA1 SHA512 SSDEEP

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memory/1312-2-0x0000000002800000-0x000000000280D000-memory.dmp

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memory/1312-3-0x0000000002800000-0x000000000280D000-memory.dmp

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memory/1312-71-0x0000000002800000-0x000000000280D000-memory.dmp

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memory/1692-66-0x00007FFF07FD0000-0x00007FFF081C5000-memory.dmp

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memory/1692-68-0x0000000076430000-0x0000000076645000-memory.dmp

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memory/1692-65-0x00000000027A0000-0x0000000002BA0000-memory.dmp

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memory/1692-62-0x00000000009B0000-0x00000000009B9000-memory.dmp

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memory/2208-40-0x0000000006830000-0x0000000006862000-memory.dmp

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memory/2208-52-0x0000000007450000-0x00000000074F3000-memory.dmp

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memory/2208-21-0x0000000005BE0000-0x0000000005C46000-memory.dmp

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memory/2208-33-0x0000000005C50000-0x0000000005FA4000-memory.dmp

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memory/2208-36-0x0000000006270000-0x000000000628E000-memory.dmp

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memory/2208-37-0x00000000062F0000-0x000000000633C000-memory.dmp

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memory/2208-11-0x0000000001180000-0x00000000011B6000-memory.dmp

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memory/2208-41-0x000000006F5C0000-0x000000006F60C000-memory.dmp

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memory/2208-51-0x0000000007420000-0x000000000743E000-memory.dmp

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memory/2208-19-0x0000000005AD0000-0x0000000005AF2000-memory.dmp

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memory/2208-53-0x0000000007BE0000-0x000000000825A000-memory.dmp

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memory/2208-54-0x00000000075A0000-0x00000000075BA000-memory.dmp

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memory/2208-55-0x0000000007600000-0x000000000760A000-memory.dmp

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memory/2208-12-0x00000000054A0000-0x0000000005AC8000-memory.dmp

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memory/2208-57-0x0000000007810000-0x00000000078A6000-memory.dmp

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memory/2208-63-0x00000000077A0000-0x00000000077B1000-memory.dmp

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memory/2208-20-0x0000000005B70000-0x0000000005BD6000-memory.dmp

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memory/3708-59-0x00007FFF07FD0000-0x00007FFF081C5000-memory.dmp

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memory/3708-61-0x0000000076430000-0x0000000076645000-memory.dmp

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memory/3708-58-0x0000000005590000-0x0000000005990000-memory.dmp

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memory/3708-56-0x0000000005590000-0x0000000005990000-memory.dmp

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memory/3708-9-0x0000000002C40000-0x0000000002CAE000-memory.dmp

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memory/3708-5-0x0000000002C40000-0x0000000002CAE000-memory.dmp

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memory/4700-0-0x000001D5017E0000-0x000001D5017EC000-memory.dmp

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