rhadamanthys | c3f0be28bca238d8351dd5de0e57927b9f883559caf4dc9853f8214449e1e652

Analysis

max time kernel
46s
max time network
45s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2024, 12:44

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General

Target
PisiValorant.exe
Size 1.2MB
Sample240601-py1jpscf2t
SHA256 c3f0be28bca238d8351dd5de0e57927b9f883559caf4dc9853f8214449e1e652
MD5 35872c580af25caa3c3c33cc310415c3
SHA1 cc5f09820581d06f66af0c080093ef80068421e7
SHA512 177e460fdb70dfb1ccb8bd6915abf7d3e08bcb4be5499b180700d06819ffc1ba35d6cbf4cbe40b8965f173a6f94ee77f4e8e45395e1c07bf8c83c8bb053140d4
SSDEEP 24576:tFOyqcZsptl7Ko60OegX7AojnSXnMvQo:tF72dM0Ervjn
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 4568 created 2512	4568	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\ohLdMjonzrdOMJ\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\ohLdMjonzrdOMJ"	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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	PisiValorant.exe

Executes dropped EXE 1 IoCs

pid	Process
4492	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	PisiValorant.exe
File created	C:\Windows\SoftwareDistribution\Download\drvloader.exe	PisiValorant.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3908	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
1884	4568	WerFault.exe	94
1744	4568	WerFault.exe	94

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4768	PisiValorant.exe
4768	PisiValorant.exe
1596	notepad.exe
1596	notepad.exe
4568	notepad.exe
4568	notepad.exe
4048	dialer.exe
4048	dialer.exe
4048	dialer.exe
4048	dialer.exe
3908	powershell.exe
3908	powershell.exe
3908	powershell.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4492	drvloader.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	4492	drvloader.exe
Token: SeDebugPrivilege	3908	powershell.exe
Token: SeIncreaseQuotaPrivilege	3908	powershell.exe
Token: SeSecurityPrivilege	3908	powershell.exe
Token: SeTakeOwnershipPrivilege	3908	powershell.exe
Token: SeLoadDriverPrivilege	3908	powershell.exe
Token: SeSystemProfilePrivilege	3908	powershell.exe
Token: SeSystemtimePrivilege	3908	powershell.exe
Token: SeProfSingleProcessPrivilege	3908	powershell.exe
Token: SeIncBasePriorityPrivilege	3908	powershell.exe
Token: SeCreatePagefilePrivilege	3908	powershell.exe
Token: SeBackupPrivilege	3908	powershell.exe
Token: SeRestorePrivilege	3908	powershell.exe
Token: SeShutdownPrivilege	3908	powershell.exe
Token: SeDebugPrivilege	3908	powershell.exe
Token: SeSystemEnvironmentPrivilege	3908	powershell.exe
Token: SeRemoteShutdownPrivilege	3908	powershell.exe
Token: SeUndockPrivilege	3908	powershell.exe
Token: SeManageVolumePrivilege	3908	powershell.exe
Token: 33	3908	powershell.exe
Token: 34	3908	powershell.exe
Token: 35	3908	powershell.exe
Token: 36	3908	powershell.exe
Token: SeIncreaseQuotaPrivilege	3908	powershell.exe
Token: SeSecurityPrivilege	3908	powershell.exe
Token: SeTakeOwnershipPrivilege	3908	powershell.exe
Token: SeLoadDriverPrivilege	3908	powershell.exe
Token: SeSystemProfilePrivilege	3908	powershell.exe
Token: SeSystemtimePrivilege	3908	powershell.exe
Token: SeProfSingleProcessPrivilege	3908	powershell.exe
Token: SeIncBasePriorityPrivilege	3908	powershell.exe
Token: SeCreatePagefilePrivilege	3908	powershell.exe
Token: SeBackupPrivilege	3908	powershell.exe
Token: SeRestorePrivilege	3908	powershell.exe
Token: SeShutdownPrivilege	3908	powershell.exe
Token: SeDebugPrivilege	3908	powershell.exe
Token: SeSystemEnvironmentPrivilege	3908	powershell.exe
Token: SeRemoteShutdownPrivilege	3908	powershell.exe
Token: SeUndockPrivilege	3908	powershell.exe
Token: SeManageVolumePrivilege	3908	powershell.exe
Token: 33	3908	powershell.exe
Token: 34	3908	powershell.exe
Token: 35	3908	powershell.exe
Token: 36	3908	powershell.exe
Token: SeIncreaseQuotaPrivilege	3908	powershell.exe
Token: SeSecurityPrivilege	3908	powershell.exe
Token: SeTakeOwnershipPrivilege	3908	powershell.exe
Token: SeLoadDriverPrivilege	3908	powershell.exe
Token: SeSystemProfilePrivilege	3908	powershell.exe
Token: SeSystemtimePrivilege	3908	powershell.exe
Token: SeProfSingleProcessPrivilege	3908	powershell.exe
Token: SeIncBasePriorityPrivilege	3908	powershell.exe
Token: SeCreatePagefilePrivilege	3908	powershell.exe
Token: SeBackupPrivilege	3908	powershell.exe
Token: SeRestorePrivilege	3908	powershell.exe
Token: SeShutdownPrivilege	3908	powershell.exe
Token: SeDebugPrivilege	3908	powershell.exe
Token: SeSystemEnvironmentPrivilege	3908	powershell.exe
Token: SeRemoteShutdownPrivilege	3908	powershell.exe
Token: SeUndockPrivilege	3908	powershell.exe
Token: SeManageVolumePrivilege	3908	powershell.exe
Token: 33	3908	powershell.exe
Token: 34	3908	powershell.exe
Token: 35	3908	powershell.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 1596	4768	PisiValorant.exe	93
PID 4768 wrote to memory of 1596	4768	PisiValorant.exe	93
PID 4768 wrote to memory of 1596	4768	PisiValorant.exe	93
PID 4768 wrote to memory of 1596	4768	PisiValorant.exe	93
PID 1596 wrote to memory of 4568	1596	notepad.exe	94
PID 1596 wrote to memory of 4568	1596	notepad.exe	94
PID 1596 wrote to memory of 4568	1596	notepad.exe	94
PID 4768 wrote to memory of 4492	4768	PisiValorant.exe	95
PID 4768 wrote to memory of 4492	4768	PisiValorant.exe	95
PID 4768 wrote to memory of 560	4768	PisiValorant.exe	97
PID 4768 wrote to memory of 560	4768	PisiValorant.exe	97
PID 4768 wrote to memory of 3860	4768	PisiValorant.exe	98
PID 4768 wrote to memory of 3860	4768	PisiValorant.exe	98
PID 4768 wrote to memory of 4028	4768	PisiValorant.exe	99
PID 4768 wrote to memory of 4028	4768	PisiValorant.exe	99
PID 1596 wrote to memory of 4568	1596	notepad.exe	94
PID 1596 wrote to memory of 2096	1596	notepad.exe	100
PID 1596 wrote to memory of 2096	1596	notepad.exe	100
PID 1596 wrote to memory of 2096	1596	notepad.exe	100
PID 2096 wrote to memory of 3908	2096	cmd.exe	102
PID 2096 wrote to memory of 3908	2096	cmd.exe	102
PID 2096 wrote to memory of 3908	2096	cmd.exe	102
PID 4568 wrote to memory of 4048	4568	notepad.exe	103
PID 4568 wrote to memory of 4048	4568	notepad.exe	103
PID 4568 wrote to memory of 4048	4568	notepad.exe	103
PID 4568 wrote to memory of 4048	4568	notepad.exe	103
PID 4568 wrote to memory of 4048	4568	notepad.exe	103

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2512
- C:\Windows\SysWOW64\dialer.exe
  "C:\Windows\system32\dialer.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4048

C:\Users\Admin\AppData\Local\Temp\PisiValorant.exe
"C:\Users\Admin\AppData\Local\Temp\PisiValorant.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4768
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\SysWOW64\notepad.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1596
- - C:\Windows\SysWOW64\notepad.exe
    "C:\Windows\SysWOW64\notepad.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4568
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 896
      4⤵
      Program crash
      PID:1884
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 904
      4⤵
      Program crash
      PID:1744
- - 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:2096
  - - 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:3908
- 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:4492
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c color e
  2⤵
  PID:560
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:3860
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c color c
  2⤵
  PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4568 -ip 4568
1⤵
PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4568 -ip 4568
1⤵
PID:4592

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:5112

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_bxixs0rn.h5y.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bxixs0rn.h5y.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/1596-2-0x00000000007F0000-0x00000000007FD000-memory.dmp

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memory/1596-3-0x00000000007F0000-0x00000000007FD000-memory.dmp

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memory/1596-72-0x00000000007F0000-0x00000000007FD000-memory.dmp

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memory/1596-68-0x00000000007F0000-0x00000000007FD000-memory.dmp

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memory/3908-51-0x000000006FE40000-0x000000006FE8C000-memory.dmp

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memory/3908-62-0x0000000006DB0000-0x0000000006E53000-memory.dmp

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memory/3908-22-0x00000000024F0000-0x0000000002526000-memory.dmp

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memory/3908-67-0x00000000070C0000-0x00000000070D1000-memory.dmp

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memory/3908-66-0x0000000007130000-0x00000000071C6000-memory.dmp

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memory/3908-65-0x0000000006F20000-0x0000000006F2A000-memory.dmp

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memory/3908-64-0x0000000006EC0000-0x0000000006EDA000-memory.dmp

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memory/3908-63-0x0000000007500000-0x0000000007B7A000-memory.dmp

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memory/3908-61-0x00000000060F0000-0x000000000610E000-memory.dmp

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memory/3908-35-0x0000000004870000-0x0000000004892000-memory.dmp

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memory/3908-36-0x00000000053F0000-0x0000000005456000-memory.dmp

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memory/3908-37-0x00000000054D0000-0x0000000005536000-memory.dmp

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memory/3908-23-0x0000000004CC0000-0x00000000052E8000-memory.dmp

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memory/3908-47-0x0000000005640000-0x0000000005994000-memory.dmp

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memory/3908-48-0x0000000005B70000-0x0000000005B8E000-memory.dmp

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memory/3908-49-0x0000000006110000-0x000000000615C000-memory.dmp

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memory/3908-50-0x0000000006B70000-0x0000000006BA2000-memory.dmp

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memory/4048-34-0x0000000076FD0000-0x00000000771E5000-memory.dmp

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memory/4048-32-0x00007FFA25AF0000-0x00007FFA25CE5000-memory.dmp

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memory/4048-31-0x0000000002DA0000-0x00000000031A0000-memory.dmp

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memory/4048-29-0x0000000001230000-0x0000000001239000-memory.dmp

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memory/4568-24-0x00000000056F0000-0x0000000005AF0000-memory.dmp

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memory/4568-28-0x0000000076FD0000-0x00000000771E5000-memory.dmp

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memory/4568-26-0x00007FFA25AF0000-0x00007FFA25CE5000-memory.dmp

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memory/4568-25-0x00000000056F0000-0x0000000005AF0000-memory.dmp

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memory/4568-17-0x00000000031E0000-0x000000000324E000-memory.dmp

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memory/4768-0-0x0000020E45630000-0x0000020E4563C000-memory.dmp

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