8d0f259ea1dc92de8246bdaa817f4559ab70cd86c588bda889602b06607d8128

Analysis

max time kernel
898s
max time network
608s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
28/04/2026, 11:13

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General

Target
agent-windows-amd64 (2).exe
Size 24.3MB
Sample260428-nbpm9agy31
SHA256 8d0f259ea1dc92de8246bdaa817f4559ab70cd86c588bda889602b06607d8128
MD5 a7da9696b4dbdefc532097d2668e6b8f
SHA1 0ed587b2be47b65ec898a52462dd225ff86908e0
SHA512 ee27f2b64be269742ff3ab2b6f469ba9f0b6b7c71ab9e2fe06b352bb073e5229bea8b750071e333189128ac022321c263e9ed8cb9a6431a2576597a7b773ffb7
SSDEEP 196608:m/D3Bnl/eatkQbCzdjdR+bKSxRGA9lsIg:mrRnl/4f+bzxRGSs
TLSH
T13F472A63F8921D94D4EAC170C772516BBAB63C191B7813E71690F3201F3ABE09BB6B51
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution persistence

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
428	powershell.exe
2220	powershell.exe
4784	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\agent-1698138462.tmp	ovd_c9008bf50656.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\agent-2960001915.tmp	agent-windows-amd64 (2).exe

Executes dropped EXE 1 IoCs

pid	Process
1056	ovd_c9008bf50656.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000\Software\Microsoft\Windows\CurrentVersion\Run\OverlordAgent-f00187f9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\DeviceSync\\ovd_c9008bf50656.exe\""	ovd_c9008bf50656.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000\Software\Microsoft\Windows\CurrentVersion\Run\OverlordAgent-f00187f9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\DeviceSync\\ovd_c9008bf50656.exe\""	agent-windows-amd64 (2).exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	agent-windows-amd64 (2).exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	agent-windows-amd64 (2).exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
428	powershell.exe
428	powershell.exe
2220	powershell.exe
2220	powershell.exe
4784	powershell.exe
4784	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	428	powershell.exe
Token: SeDebugPrivilege	2220	powershell.exe
Token: SeIncreaseQuotaPrivilege	2220	powershell.exe
Token: SeSecurityPrivilege	2220	powershell.exe
Token: SeTakeOwnershipPrivilege	2220	powershell.exe
Token: SeLoadDriverPrivilege	2220	powershell.exe
Token: SeSystemProfilePrivilege	2220	powershell.exe
Token: SeSystemtimePrivilege	2220	powershell.exe
Token: SeProfSingleProcessPrivilege	2220	powershell.exe
Token: SeIncBasePriorityPrivilege	2220	powershell.exe
Token: SeCreatePagefilePrivilege	2220	powershell.exe
Token: SeBackupPrivilege	2220	powershell.exe
Token: SeRestorePrivilege	2220	powershell.exe
Token: SeShutdownPrivilege	2220	powershell.exe
Token: SeDebugPrivilege	2220	powershell.exe
Token: SeSystemEnvironmentPrivilege	2220	powershell.exe
Token: SeRemoteShutdownPrivilege	2220	powershell.exe
Token: SeUndockPrivilege	2220	powershell.exe
Token: SeManageVolumePrivilege	2220	powershell.exe
Token: 33	2220	powershell.exe
Token: 34	2220	powershell.exe
Token: 35	2220	powershell.exe
Token: 36	2220	powershell.exe
Token: SeIncreaseQuotaPrivilege	428	powershell.exe
Token: SeSecurityPrivilege	428	powershell.exe
Token: SeTakeOwnershipPrivilege	428	powershell.exe
Token: SeLoadDriverPrivilege	428	powershell.exe
Token: SeSystemProfilePrivilege	428	powershell.exe
Token: SeSystemtimePrivilege	428	powershell.exe
Token: SeProfSingleProcessPrivilege	428	powershell.exe
Token: SeIncBasePriorityPrivilege	428	powershell.exe
Token: SeCreatePagefilePrivilege	428	powershell.exe
Token: SeBackupPrivilege	428	powershell.exe
Token: SeRestorePrivilege	428	powershell.exe
Token: SeShutdownPrivilege	428	powershell.exe
Token: SeDebugPrivilege	428	powershell.exe
Token: SeSystemEnvironmentPrivilege	428	powershell.exe
Token: SeRemoteShutdownPrivilege	428	powershell.exe
Token: SeUndockPrivilege	428	powershell.exe
Token: SeManageVolumePrivilege	428	powershell.exe
Token: 33	428	powershell.exe
Token: 34	428	powershell.exe
Token: 35	428	powershell.exe
Token: 36	428	powershell.exe
Token: SeIncreaseQuotaPrivilege	428	powershell.exe
Token: SeSecurityPrivilege	428	powershell.exe
Token: SeTakeOwnershipPrivilege	428	powershell.exe
Token: SeLoadDriverPrivilege	428	powershell.exe
Token: SeSystemProfilePrivilege	428	powershell.exe
Token: SeSystemtimePrivilege	428	powershell.exe
Token: SeProfSingleProcessPrivilege	428	powershell.exe
Token: SeIncBasePriorityPrivilege	428	powershell.exe
Token: SeCreatePagefilePrivilege	428	powershell.exe
Token: SeBackupPrivilege	428	powershell.exe
Token: SeRestorePrivilege	428	powershell.exe
Token: SeShutdownPrivilege	428	powershell.exe
Token: SeDebugPrivilege	428	powershell.exe
Token: SeSystemEnvironmentPrivilege	428	powershell.exe
Token: SeRemoteShutdownPrivilege	428	powershell.exe
Token: SeUndockPrivilege	428	powershell.exe
Token: SeManageVolumePrivilege	428	powershell.exe
Token: 33	428	powershell.exe
Token: 34	428	powershell.exe
Token: 35	428	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 428	4396	agent-windows-amd64 (2).exe	80
PID 1056 wrote to memory of 2220	1056	ovd_c9008bf50656.exe	84
PID 1056 wrote to memory of 4784	1056	ovd_c9008bf50656.exe	87

C:\Users\Admin\AppData\Local\Temp\agent-windows-amd64 (2).exe
"C:\Users\Admin\AppData\Local\Temp\agent-windows-amd64 (2).exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$a = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\ovd_c9008bf50656.exe'; $t = New-ScheduledTaskTrigger -AtLogOn; $s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit ([TimeSpan]::Zero) -StartWhenAvailable; $p = New-ScheduledTaskPrincipal -UserId $env:USERNAME -RunLevel Highest; Register-ScheduledTask -TaskName 'ovd_5032435f' -Action $a -Trigger $t -Settings $s -Principal $p -Force | Out-Null"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:428

C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\ovd_c9008bf50656.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\ovd_c9008bf50656.exe"
1⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$a = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\ovd_c9008bf50656.exe'; $t = New-ScheduledTaskTrigger -AtLogOn; $s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit ([TimeSpan]::Zero) -StartWhenAvailable; $p = New-ScheduledTaskPrincipal -UserId $env:USERNAME -RunLevel Highest; Register-ScheduledTask -TaskName 'ovd_5032435f' -Action $a -Trigger $t -Settings $s -Principal $p -Force | Out-Null"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2220
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$f = ([wmiclass]\"\\.\root\subscription:__EventFilter\").CreateInstance(); $f.QueryLanguage = 'WQL'; $f.Query = \"SELECT * FROM __InstanceCreationEvent WITHIN 30 WHERE TargetInstance ISA 'Win32_Process' AND TargetInstance.Name = 'explorer.exe'\"; $f.Name = 'ovd_f5032435f'; $f.EventNameSpace = 'root\cimv2'; $null = $f.Put(); $c = ([wmiclass]\"\\.\root\subscription:CommandLineEventConsumer\").CreateInstance(); $c.Name = 'ovd_c5032435f'; $c.ExecutablePath = 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\ovd_c9008bf50656.exe'; $null = $c.Put(); $b = ([wmiclass]\"\\.\root\subscription:__FilterToConsumerBinding\").CreateInstance(); $b.Filter = \"\\.\root\subscription:__EventFilter.Name='ovd_f5032435f'\"; $b.Consumer = \"\\.\root\subscription:CommandLineEventConsumer.Name='ovd_c5032435f'\"; $null = $b.Put()"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:4784

Network

MITRE ATT&CK Enterprise v16

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 3KB
SHA256 3fc98f1a0dd73c0067a28034a6d84e86b27418d68cc2fdf26345be6f4217dcf1
MD5 9f3107a91c0a75eb75418f89fe7dcbcd
SHA1 4538595145969d10d68c8d5fd73d51a58cde93d4
SHA512 12506d31fba03a505c3921876135d8b9cd5fd3659c5c97b2158001ab788f0f9dcff055e95be1bd33583098848efd1036d05c0b6e23d7191b02b444a37d0dbf2c
TLSH
T1F381CD323375A0D4C9563F07192C19C463AF4396EA58AF4CB658620EE92B54BDB222F7
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 e5237f26c6240954c7e0e052c5570afe10528e164f866af34b6ff67c9add9b64
MD5 33105ce1e0f0b179e127a7728c5ebf57
SHA1 dd19c4d941e297bfd94393cccfee3081128efa2a
SHA512 d7cfd08ae3ccbc0e133714bbd10ea8aaea36c4f1b202f09d07b2013ca4e1ae9c09eda3528fa37584fee06de86822cd32fcc27619b086b625f1d35b72175b147c
TLSH
T174215B32B36DD135C8D9117E208CAD01B235C3C7445A8FDB7B84C615E55B9DACF641A4
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 32bc08c5e4d3fb225bce68f45cff596f7463a64f45be77de5a512808e782d047
MD5 6d6ac658f00b84b8a1c1ca801bdd218f
SHA1 3bb362ccbd1fb324230f8f1586ff24b673bcb3b1
SHA512 fa2ca80eeff78323d194bcceffbe9e77abf161ecd42ba3fffea6f201b110216976daf918a641996d0b9f75566626bc15ba2d720ef183454efb612f83233fc68f
TLSH
T1BD216533B3ECC125C8D9117A208CAD00B2B5C3C7449E8F8B7A84C619957F9DADB641A4
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_kpco34ck.kuk.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kpco34ck.kuk.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

agent-1875180955.tmp

Path C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\agent-1875180955.tmp
Size 24.3MB
SHA256 8d0f259ea1dc92de8246bdaa817f4559ab70cd86c588bda889602b06607d8128
MD5 a7da9696b4dbdefc532097d2668e6b8f
SHA1 0ed587b2be47b65ec898a52462dd225ff86908e0
SHA512 ee27f2b64be269742ff3ab2b6f469ba9f0b6b7c71ab9e2fe06b352bb073e5229bea8b750071e333189128ac022321c263e9ed8cb9a6431a2576597a7b773ffb7
SSDEEP 196608:m/D3Bnl/eatkQbCzdjdR+bKSxRGA9lsIg:mrRnl/4f+bzxRGSs
TLSH
T13F472A63F8921D94D4EAC170C772516BBAB63C191B7813E71690F3201F3ABE09BB6B51
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/428-25-0x0000021370FB0000-0x0000021370FCC000-memory.dmp

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memory/428-6-0x0000021370F10000-0x0000021370F20000-memory.dmp

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memory/428-33-0x00000213713A0000-0x00000213713AA000-memory.dmp

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memory/428-40-0x0000021371520000-0x000002137153C000-memory.dmp

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memory/428-43-0x0000021370800000-0x000002137080C000-memory.dmp

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memory/428-44-0x00000213708B0000-0x00000213708C2000-memory.dmp

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memory/428-14-0x0000021370F10000-0x0000021370F20000-memory.dmp

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memory/428-13-0x0000021370F20000-0x0000021370F42000-memory.dmp

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memory/428-32-0x0000021370FD0000-0x0000021371083000-memory.dmp

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memory/1056-62-0x00007FF65AD90000-0x00007FF65E6BF000-memory.dmp

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memory/2220-51-0x0000015FFEA90000-0x0000015FFEAA2000-memory.dmp

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memory/2220-48-0x0000015FFE410000-0x0000015FFE41C000-memory.dmp

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memory/4396-63-0x00007FF7F49C0000-0x00007FF7F82EF000-memory.dmp

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memory/4396-93-0x00007FF7F49C0000-0x00007FF7F82EF000-memory.dmp

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memory/4396-123-0x00007FF7F49C0000-0x00007FF7F82EF000-memory.dmp

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memory/4396-124-0x00007FF7F49C0000-0x00007FF7F82EF000-memory.dmp

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memory/4784-60-0x00000165B96F0000-0x00000165B96FC000-memory.dmp

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memory/4784-61-0x00000165B9790000-0x00000165B97A2000-memory.dmp

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