51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750

Analysis

max time kernel
48s
max time network
81s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 13:25

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Reason

Machine shutdown

Report Analysis Logs

General

Target

51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe
Size

85KB
MD5

0db621d297338085e3f3b872d6b4eed6
SHA1

89e2c1493e50f771d324ba49ea43024b5bf28e34
SHA256

51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750
SHA512

ed35c5e06a6c72f48b167891e877beb14e1c29064438e36335efd66d6779c433be08d001770546ef4434d631a083386702005974d70ada0e1622dcc5ee9040f6
SSDEEP

1536:n3LSNZSOyFqlewor4ZXkl3CkSRpliHyPm:3uty8fVxIyLiS

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1596	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\2526131862 = "C:\\Users\\Admin\\2526131862.exe"	reg.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe
Token: SeShutdownPrivilege	1792	shutdown.exe
Token: SeRemoteShutdownPrivilege	1792	shutdown.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 1672	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	28
PID 1008 wrote to memory of 1672	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	28
PID 1008 wrote to memory of 1672	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	28
PID 1008 wrote to memory of 1672	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	28
PID 1672 wrote to memory of 1552	1672	cmd.exe	30
PID 1672 wrote to memory of 1552	1672	cmd.exe	30
PID 1672 wrote to memory of 1552	1672	cmd.exe	30
PID 1672 wrote to memory of 1552	1672	cmd.exe	30
PID 1008 wrote to memory of 1792	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	31
PID 1008 wrote to memory of 1792	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	31
PID 1008 wrote to memory of 1792	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	31
PID 1008 wrote to memory of 1792	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	31
PID 1008 wrote to memory of 1596	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	33
PID 1008 wrote to memory of 1596	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	33
PID 1008 wrote to memory of 1596	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	33
PID 1008 wrote to memory of 1596	1008	51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe	33

C:\Users\Admin\AppData\Local\Temp\51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe
"C:\Users\Admin\AppData\Local\Temp\51e43a15aed8bcedacdfda384dc374ea7c0e8e1580d914346369dcf47c048750.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2526131862 /t REG_SZ /d "%userprofile%\2526131862.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2526131862 /t REG_SZ /d "C:\Users\Admin\2526131862.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1552
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /f /t 3
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\51E43A~1.EXE > nul
  2⤵
  - Deletes itself
  PID:1596

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:768

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/768-61-0x000007FEFB901000-0x000007FEFB903000-memory.dmp

Filesize
8KB

Download
memory/1008-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1008-60-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1008-59-0x0000000000220000-0x0000000000239000-memory.dmp

Filesize
100KB

Download