3b530ace3209771f676e361ebc54dfc5d992d5069db93d416cd4b60745ccc400

Analysis

max time kernel
133s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07-03-2024 13:15

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General

Target

Ejerkredsen/Lulledes/Preconizing.ps1
Size

57KB
MD5

f5a06265c76853290d3b7ed1c1d3e7b9
SHA1

4083441407a629edd297d1a480a4957740b99fd1
SHA256

f15289a9086ec32c0f072940209c5c50412dde5275dac49a8d271cb53e843eab
SHA512

52ef36d8443eec762f2980b0ada477a9b74f0af2d0cedfb73015fbac04c28e85a85af4be6a4f67c6d7ee3b59b07abf6be2042465154ac3525e035947db15d6e8
SSDEEP

1536:WkR4j4yKcxRd7o7KeUwDwtPxOuCXMDerkvU:W9RK7rqPanrCU

Score

8^/10

persistence

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1908	powershell.exe
1908	powershell.exe
1908	powershell.exe
1908	powershell.exe
1908	powershell.exe
1908	powershell.exe
1908	powershell.exe
1908	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2528	explorer.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	1908	powershell.exe
Token: SeShutdownPrivilege	2528	explorer.exe
Token: SeShutdownPrivilege	2528	explorer.exe
Token: SeShutdownPrivilege	2528	explorer.exe
Token: SeShutdownPrivilege	2528	explorer.exe
Token: SeShutdownPrivilege	2528	explorer.exe
Token: SeShutdownPrivilege	2528	explorer.exe
Token: SeShutdownPrivilege	2528	explorer.exe
Token: SeShutdownPrivilege	2528	explorer.exe
Token: SeShutdownPrivilege	2528	explorer.exe
Token: SeShutdownPrivilege	2528	explorer.exe
Token: SeShutdownPrivilege	2528	explorer.exe
Token: SeShutdownPrivilege	2528	explorer.exe

Suspicious use of FindShellTrayWindow 29 IoCs

pid	Process
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe

Suspicious use of SendNotifyMessage 18 IoCs

pid	Process
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe
2528	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2936	1908	powershell.exe	29
PID 1908 wrote to memory of 2936	1908	powershell.exe	29
PID 1908 wrote to memory of 2936	1908	powershell.exe	29
PID 1908 wrote to memory of 1812	1908	powershell.exe	33
PID 1908 wrote to memory of 1812	1908	powershell.exe	33
PID 1908 wrote to memory of 1812	1908	powershell.exe	33

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Ejerkredsen\Lulledes\Preconizing.ps1
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c "set /A 1^^0"
  2⤵
  PID:2936
- C:\Windows\system32\wermgr.exe
  "C:\Windows\system32\wermgr.exe" "-outproc" "1908" "1136"
  2⤵
  PID:1812

C:\Windows\explorer.exe
explorer.exe
1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\OutofProcReport259441635.txt

Filesize
1KB

MD5
fb17fbf12e4eca2c0f078beb18186218

SHA1
778b33ca66bd93aafc29a485e6845eaa5c41cba4

SHA256
347108e228d3c0d5b6b19700ec4f4dbb6e9af2d9b71ec96ed0ef71a0ced92c2f

SHA512
39c41447a8fbb4ea589e343d92827b6d38402c70df9625e84443c91916109d23d1c6163df0cc932487bd4fc6168fa7253b5fcae6ec0a54f83fee2a5fcb0b29d6

Download Submit
memory/1908-7-0x0000000002A30000-0x0000000002AB0000-memory.dmp

Filesize
512KB

Download
memory/1908-14-0x0000000002720000-0x0000000002724000-memory.dmp

Filesize
16KB

Download
memory/1908-4-0x000000001B410000-0x000000001B6F2000-memory.dmp

Filesize
2.9MB

Download
memory/1908-8-0x000007FEF56E0000-0x000007FEF607D000-memory.dmp

Filesize
9.6MB

Download
memory/1908-9-0x0000000002A30000-0x0000000002AB0000-memory.dmp

Filesize
512KB

Download
memory/1908-10-0x0000000002A30000-0x0000000002AB0000-memory.dmp

Filesize
512KB

Download
memory/1908-12-0x0000000002A30000-0x0000000002AB0000-memory.dmp

Filesize
512KB

Download
memory/1908-6-0x000007FEF56E0000-0x000007FEF607D000-memory.dmp

Filesize
9.6MB

Download
memory/1908-5-0x0000000001EC0000-0x0000000001EC8000-memory.dmp

Filesize
32KB

Download
memory/1908-16-0x0000000002A30000-0x0000000002AB0000-memory.dmp

Filesize
512KB

Download
memory/1908-17-0x000007FEF56E0000-0x000007FEF607D000-memory.dmp

Filesize
9.6MB

Download
memory/2528-18-0x0000000004360000-0x0000000004361000-memory.dmp

Filesize
4KB

Download
memory/2528-19-0x0000000004360000-0x0000000004361000-memory.dmp

Filesize
4KB

Download
memory/2528-23-0x00000000025F0000-0x0000000002600000-memory.dmp

Filesize
64KB

Download