385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d

Analysis

max time kernel
84s
max time network
87s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 09:20

Sharing

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Reason

Machine shutdown

Report Analysis Logs

General

Target

385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe
Size

50KB
MD5

31fd58e5b993cdb774af278c89dcf23d
SHA1

e6ab33dc6b982bf3a617b4f7531d1c59bfb29171
SHA256

385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d
SHA512

950d2da9c5095f81a6798fefe44000a7e435ee8695f479936c89152f6fd9ef6322c44555a0d490ee0877c847dd82337dc193761e2cb44871f1e792090ae80667
SSDEEP

768:j1aFgrOvsTHiMKAikQ9Tm444Y4eGMmlbO/VYdK84tgFoC6CkC5HVYPC0:jYFqxKA+R3UDTmASsvqHDHyP

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1972	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\161211051 = "C:\\Users\\Admin\\161211051.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	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe
Token: SeShutdownPrivilege	2032	shutdown.exe
Token: SeRemoteShutdownPrivilege	2032	shutdown.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2044	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe	27
PID 1152 wrote to memory of 2044	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe	27
PID 1152 wrote to memory of 2044	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe	27
PID 1152 wrote to memory of 2044	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe	27
PID 2044 wrote to memory of 1116	2044	cmd.exe	29
PID 2044 wrote to memory of 1116	2044	cmd.exe	29
PID 2044 wrote to memory of 1116	2044	cmd.exe	29
PID 2044 wrote to memory of 1116	2044	cmd.exe	29
PID 1152 wrote to memory of 2032	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe	30
PID 1152 wrote to memory of 2032	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe	30
PID 1152 wrote to memory of 2032	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe	30
PID 1152 wrote to memory of 2032	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe	30
PID 1152 wrote to memory of 1972	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe	32
PID 1152 wrote to memory of 1972	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe	32
PID 1152 wrote to memory of 1972	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe	32
PID 1152 wrote to memory of 1972	1152	385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe	32

C:\Users\Admin\AppData\Local\Temp\385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe
"C:\Users\Admin\AppData\Local\Temp\385d39e69a1e9063d4b495abe72ad4d04ed351e830994ee52f5d2828a054488d.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 161211051 /t REG_SZ /d "%userprofile%\161211051.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 161211051 /t REG_SZ /d "C:\Users\Admin\161211051.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1116
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /f /t 3
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\385D39~1.EXE > nul
  2⤵
  - Deletes itself
  PID:1972

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1696

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1928

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/1152-54-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/1152-55-0x00000000003A0000-0x00000000003B0000-memory.dmp

Filesize
64KB

Download
memory/1152-56-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1696-61-0x000007FEFC291000-0x000007FEFC293000-memory.dmp

Filesize
8KB

Download