5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859

Analysis

max time kernel
19s
max time network
24s
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

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Reason

Machine shutdown

Report Analysis Logs

General

Target

5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe
Size

76KB
MD5

656f9b7a11063aab122ec630b8538b09
SHA1

9e87ff164533edfccbb6e74b4215405893707934
SHA256

5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859
SHA512

2b08c6604368b4a8b117ae4e9ad67d62cb5953deedb0f3bec9e43b0de4924e84daf04e9449a7e9d7d877d50ab3d76371979fece88e2dada014e76d761ffe8c68
SSDEEP

768:qqgFPbzKxlCSgShrwGNM6jQeEOPeM05oBCLVNodwSmTO9SyTpSCkC5HVYPC:aNXSgMpNbdEO2hqjuSmm9HyP

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1076	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
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\1346119677 = "C:\\Users\\Admin\\1346119677.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	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	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe
Token: SeShutdownPrivilege	904	shutdown.exe
Token: SeRemoteShutdownPrivilege	904	shutdown.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 540	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	26
PID 2012 wrote to memory of 540	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	26
PID 2012 wrote to memory of 540	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	26
PID 2012 wrote to memory of 540	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	26
PID 540 wrote to memory of 1528	540	cmd.exe	28
PID 540 wrote to memory of 1528	540	cmd.exe	28
PID 540 wrote to memory of 1528	540	cmd.exe	28
PID 540 wrote to memory of 1528	540	cmd.exe	28
PID 2012 wrote to memory of 904	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	29
PID 2012 wrote to memory of 904	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	29
PID 2012 wrote to memory of 904	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	29
PID 2012 wrote to memory of 904	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	29
PID 2012 wrote to memory of 1076	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	31
PID 2012 wrote to memory of 1076	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	31
PID 2012 wrote to memory of 1076	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	31
PID 2012 wrote to memory of 1076	2012	5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe	31

C:\Users\Admin\AppData\Local\Temp\5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe
"C:\Users\Admin\AppData\Local\Temp\5ca47a297de4a6ef2ffdd2c2415bf1f82c816b425c14c89ffb6408f313ab2859.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 1346119677 /t REG_SZ /d "%userprofile%\1346119677.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:540
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 1346119677 /t REG_SZ /d "C:\Users\Admin\1346119677.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1528
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /f /t 3
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\5CA47A~1.EXE > nul
  2⤵
  - Deletes itself
  PID:1076

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1640

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1756

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/1640-61-0x000007FEFB9F1000-0x000007FEFB9F3000-memory.dmp

Filesize
8KB

Download
memory/2012-54-0x0000000075E81000-0x0000000075E83000-memory.dmp

Filesize
8KB

Download
memory/2012-55-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/2012-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download