357b2b62220ebb1531d7e318e797367f6184baa6d58abc33499a1869d1a60334

Analysis

max time kernel
150s
max time network
114s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 08:53

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General

Target
composer.dat.exe
Size 13.7MB
Sample260809-ktjyyack5y
SHA256 357b2b62220ebb1531d7e318e797367f6184baa6d58abc33499a1869d1a60334
MD5 5ee5d746248c1690e0ba39a25fbf358f
SHA1 cba60a7063e5e4f3b37b1cbf3287d9e13757f002
SHA512 114a0da9df03f6a3f3433b1dcc1af2a74d28cd1ec2b9cbc521c16a070403a459227b7c2d6b0c142c7f9cafd027bd390edc889e6082635cffa914e0f42eaf689c
SSDEEP 393216:91GmQkmV2lCMyXAPhaRoyI0IXMCHWUjIcuI3/PGTAI:91GzkfrZaWgIXMb89H/O7
TLSH
T12DE6330431D115FEE6E3D1B9ACD24A90E0BEB4262779C9CB97A486516D333F0893DB63
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 12 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2564	powershell.exe
2380	powershell.exe
2100	powershell.exe
4220	powershell.exe
3748	powershell.exe
1284	powershell.exe
4280	powershell.exe
5716	powershell.exe
5916	powershell.exe
4344	powershell.exe
3272	powershell.exe
3652	powershell.exe

Loads dropped DLL 15 IoCs

pid	Process
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe
5464	composer.dat.exe

Executes a command shell one-liner 1 TTPs 12 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
5492	cmd.exe
2268	cmd.exe
1968	cmd.exe
3744	cmd.exe
1972	cmd.exe
1736	cmd.exe
5944	cmd.exe
2932	cmd.exe
1476	cmd.exe
1892	cmd.exe
4448	cmd.exe
4104	cmd.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

pid	Process
5464	composer.dat.exe
5464	composer.dat.exe
4220	powershell.exe
4220	powershell.exe
3652	powershell.exe
3652	powershell.exe
3652	powershell.exe
3748	powershell.exe
3748	powershell.exe
3748	powershell.exe
2564	powershell.exe
2564	powershell.exe
2564	powershell.exe
1284	powershell.exe
1284	powershell.exe
1284	powershell.exe
2380	powershell.exe
2380	powershell.exe
2380	powershell.exe
4280	powershell.exe
4280	powershell.exe
4280	powershell.exe
5716	powershell.exe
5716	powershell.exe
5716	powershell.exe
5916	powershell.exe
5916	powershell.exe
5916	powershell.exe
2100	powershell.exe
2100	powershell.exe
2100	powershell.exe
4344	powershell.exe
4344	powershell.exe
4344	powershell.exe
3272	powershell.exe
3272	powershell.exe
3272	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5464	composer.dat.exe
Token: SeDebugPrivilege	4220	powershell.exe
Token: SeIncreaseQuotaPrivilege	4220	powershell.exe
Token: SeSecurityPrivilege	4220	powershell.exe
Token: SeTakeOwnershipPrivilege	4220	powershell.exe
Token: SeLoadDriverPrivilege	4220	powershell.exe
Token: SeSystemProfilePrivilege	4220	powershell.exe
Token: SeSystemtimePrivilege	4220	powershell.exe
Token: SeProfSingleProcessPrivilege	4220	powershell.exe
Token: SeIncBasePriorityPrivilege	4220	powershell.exe
Token: SeCreatePagefilePrivilege	4220	powershell.exe
Token: SeBackupPrivilege	4220	powershell.exe
Token: SeRestorePrivilege	4220	powershell.exe
Token: SeShutdownPrivilege	4220	powershell.exe
Token: SeDebugPrivilege	4220	powershell.exe
Token: SeSystemEnvironmentPrivilege	4220	powershell.exe
Token: SeRemoteShutdownPrivilege	4220	powershell.exe
Token: SeUndockPrivilege	4220	powershell.exe
Token: SeManageVolumePrivilege	4220	powershell.exe
Token: 33	4220	powershell.exe
Token: 34	4220	powershell.exe
Token: 35	4220	powershell.exe
Token: 36	4220	powershell.exe
Token: SeDebugPrivilege	3652	powershell.exe
Token: SeIncreaseQuotaPrivilege	3652	powershell.exe
Token: SeSecurityPrivilege	3652	powershell.exe
Token: SeTakeOwnershipPrivilege	3652	powershell.exe
Token: SeLoadDriverPrivilege	3652	powershell.exe
Token: SeSystemProfilePrivilege	3652	powershell.exe
Token: SeSystemtimePrivilege	3652	powershell.exe
Token: SeProfSingleProcessPrivilege	3652	powershell.exe
Token: SeIncBasePriorityPrivilege	3652	powershell.exe
Token: SeCreatePagefilePrivilege	3652	powershell.exe
Token: SeBackupPrivilege	3652	powershell.exe
Token: SeRestorePrivilege	3652	powershell.exe
Token: SeShutdownPrivilege	3652	powershell.exe
Token: SeDebugPrivilege	3652	powershell.exe
Token: SeSystemEnvironmentPrivilege	3652	powershell.exe
Token: SeRemoteShutdownPrivilege	3652	powershell.exe
Token: SeUndockPrivilege	3652	powershell.exe
Token: SeManageVolumePrivilege	3652	powershell.exe
Token: 33	3652	powershell.exe
Token: 34	3652	powershell.exe
Token: 35	3652	powershell.exe
Token: 36	3652	powershell.exe
Token: SeDebugPrivilege	3748	powershell.exe
Token: SeIncreaseQuotaPrivilege	3748	powershell.exe
Token: SeSecurityPrivilege	3748	powershell.exe
Token: SeTakeOwnershipPrivilege	3748	powershell.exe
Token: SeLoadDriverPrivilege	3748	powershell.exe
Token: SeSystemProfilePrivilege	3748	powershell.exe
Token: SeSystemtimePrivilege	3748	powershell.exe
Token: SeProfSingleProcessPrivilege	3748	powershell.exe
Token: SeIncBasePriorityPrivilege	3748	powershell.exe
Token: SeCreatePagefilePrivilege	3748	powershell.exe
Token: SeBackupPrivilege	3748	powershell.exe
Token: SeRestorePrivilege	3748	powershell.exe
Token: SeShutdownPrivilege	3748	powershell.exe
Token: SeDebugPrivilege	3748	powershell.exe
Token: SeSystemEnvironmentPrivilege	3748	powershell.exe
Token: SeRemoteShutdownPrivilege	3748	powershell.exe
Token: SeUndockPrivilege	3748	powershell.exe
Token: SeManageVolumePrivilege	3748	powershell.exe
Token: 33	3748	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 5924 wrote to memory of 5464	5924	composer.dat.exe	89
PID 5464 wrote to memory of 3744	5464	composer.dat.exe	90
PID 3744 wrote to memory of 4220	3744	cmd.exe	92
PID 5464 wrote to memory of 2932	5464	composer.dat.exe	94
PID 2932 wrote to memory of 3652	2932	cmd.exe	96
PID 5464 wrote to memory of 1476	5464	composer.dat.exe	97
PID 1476 wrote to memory of 3748	1476	cmd.exe	99
PID 5464 wrote to memory of 1972	5464	composer.dat.exe	100
PID 1972 wrote to memory of 2564	1972	cmd.exe	102
PID 5464 wrote to memory of 1736	5464	composer.dat.exe	103
PID 1736 wrote to memory of 1284	1736	cmd.exe	105
PID 5464 wrote to memory of 1892	5464	composer.dat.exe	106
PID 1892 wrote to memory of 2380	1892	cmd.exe	108
PID 5464 wrote to memory of 5944	5464	composer.dat.exe	109
PID 5944 wrote to memory of 4280	5944	cmd.exe	111
PID 5464 wrote to memory of 4448	5464	composer.dat.exe	112
PID 4448 wrote to memory of 5716	4448	cmd.exe	114
PID 5464 wrote to memory of 4104	5464	composer.dat.exe	115
PID 4104 wrote to memory of 5916	4104	cmd.exe	117
PID 5464 wrote to memory of 5492	5464	composer.dat.exe	118
PID 5492 wrote to memory of 2100	5492	cmd.exe	120
PID 5464 wrote to memory of 2268	5464	composer.dat.exe	121
PID 2268 wrote to memory of 4344	2268	cmd.exe	123
PID 5464 wrote to memory of 1968	5464	composer.dat.exe	124
PID 1968 wrote to memory of 3272	1968	cmd.exe	126

C:\Users\Admin\AppData\Local\Temp\composer.dat.exe
"C:\Users\Admin\AppData\Local\Temp\composer.dat.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5924
- C:\Users\Admin\AppData\Local\Temp\composer.dat.exe
  "C:\Users\Admin\AppData\Local\Temp\composer.dat.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5464
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:3744
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4220
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Public\AccountPictures\cosojad'""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:2932
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Public\AccountPictures\cosojad'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3652
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:1476
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3748
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'D:\'""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:1972
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'D:\'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:2564
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'E:\'""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:1736
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'E:\'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:1284
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'F:\'""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:1892
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'F:\'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:2380
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'G:\'""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:5944
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'G:\'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:4280
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'X:\'""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:4448
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'X:\'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:5716
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'Y:\'""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:4104
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'Y:\'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:5916
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'Z:\'""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:5492
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionPath 'Z:\'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:2100
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\cmd.exe'""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:2268
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\cmd.exe'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:4344
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\clip.exe'""
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:1968
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\clip.exe'"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      PID:3272

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact