f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0

Analysis

max time kernel
14s
max time network
17s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 04:04

Sharing

Copy URL Twitter E-mail

Reason

Machine shutdown

Report Analysis Logs

General

Target

f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe
Size

54KB
MD5

6c907c076610df4aaa17bca0094f324d
SHA1

346debeebef734887ac5b504f34889d4df9db52f
SHA256

f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0
SHA512

fcc1c69fc71187a051972a9e26d70d9cab05246dadab857bc83d63953a33922e04564878503230eb1e6f5337a585fc97f2ceb5bd7c21b60d8ebdb9e3782d4940
SSDEEP

1536:s8kG7gfm2GI9FoKzwd/yAvEFAhEtuHHHHHHHHHHHHHHHKlG3:07nDFKyRiEMHHHHHHHHHHHHHHHKlG3

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
984	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-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\136202507 = "C:\\Users\\Admin\\136202507.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	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe
Token: SeShutdownPrivilege	2024	shutdown.exe
Token: SeRemoteShutdownPrivilege	2024	shutdown.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 548	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe	27
PID 112 wrote to memory of 548	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe	27
PID 112 wrote to memory of 548	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe	27
PID 112 wrote to memory of 548	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe	27
PID 548 wrote to memory of 1480	548	cMd.exE	29
PID 548 wrote to memory of 1480	548	cMd.exE	29
PID 548 wrote to memory of 1480	548	cMd.exE	29
PID 548 wrote to memory of 1480	548	cMd.exE	29
PID 112 wrote to memory of 2024	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe	30
PID 112 wrote to memory of 2024	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe	30
PID 112 wrote to memory of 2024	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe	30
PID 112 wrote to memory of 2024	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe	30
PID 112 wrote to memory of 984	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe	32
PID 112 wrote to memory of 984	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe	32
PID 112 wrote to memory of 984	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe	32
PID 112 wrote to memory of 984	112	f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe	32

C:\Users\Admin\AppData\Local\Temp\f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe
"C:\Users\Admin\AppData\Local\Temp\f7ce4a3c816ce40fe30fdb8cdd8d4e2d82fab6ec3932a90a24d73a8b944d37a0.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:112
- C:\Windows\SysWOW64\cMd.exE
  cMd.exE /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 136202507 /t REG_SZ /d "%userprofile%\136202507.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:548
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 136202507 /t REG_SZ /d "C:\Users\Admin\136202507.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1480
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /f /t 3
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\F7CE4A~1.EXE > nul
  2⤵
  - Deletes itself
  PID:984

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:520

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:848

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

Loading Replay Monitor...

Downloads

memory/112-54-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download
memory/112-57-0x0000000000230000-0x0000000000241000-memory.dmp

Filesize
68KB

Download
memory/112-58-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/520-61-0x000007FEFB5D1000-0x000007FEFB5D3000-memory.dmp

Filesize
8KB

Download