b8e0cf75829325382142e376ab5357a5a206d2f54af8066954cd536b6dff71c6

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 18:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

FE06A030.rar
Size

440B
MD5

7d4f7ce02e95c8ca18fd05c42a0a0588
SHA1

8c90d9e2cd55e6c372ebfeec390bd8f6807530e9
SHA256

b8e0cf75829325382142e376ab5357a5a206d2f54af8066954cd536b6dff71c6
SHA512

f744a34d712f058c807faf85266948288d7516c0026363fc8f955e82303ba1e2ae9c5c04969f13858bfe6993442ae3ee9250abfd10c9077c90a0258a4f4b933e

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000_Classes\Local Settings	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2780	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2776	7zFM.exe
2776	7zFM.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2776	7zFM.exe
2768	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	2776	7zFM.exe
Token: 35	2776	7zFM.exe
Token: SeSecurityPrivilege	2776	7zFM.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2776	7zFM.exe
2776	7zFM.exe
2776	7zFM.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2776	1760	cmd.exe	29
PID 1760 wrote to memory of 2776	1760	cmd.exe	29
PID 1760 wrote to memory of 2776	1760	cmd.exe	29
PID 2776 wrote to memory of 2768	2776	7zFM.exe	30
PID 2776 wrote to memory of 2768	2776	7zFM.exe	30
PID 2776 wrote to memory of 2768	2776	7zFM.exe	30
PID 2768 wrote to memory of 2780	2768	rundll32.exe	31
PID 2768 wrote to memory of 2780	2768	rundll32.exe	31
PID 2768 wrote to memory of 2780	2768	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\FE06A030.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Program Files\7-Zip\7zFM.exe
  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\FE06A030.rar"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\7zO8DA14876\FE06A030.pnach
    3⤵
    - Modifies registry class
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of WriteProcessMemory
    PID:2768
  - - C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\7zO8DA14876\FE06A030.pnach
      4⤵
      Opens file in notepad (likely ransom note)
      PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\7zO8DA14876\FE06A030.pnach

Filesize
717B

MD5
dc029fa134626515956d65028b17a13d

SHA1
025293456c942cec28b3b1abd8979826a786ef75

SHA256
56adaa424c266a229b154d9d21661b4af00d065adab89b83e2aa4fd09c52ec89

SHA512
c41ffd2cc335cdc643e98dc72d46afce4a8b4c998328fb5f1dcb5699f80119a889140e47fd5e45411a12b42b8ca97827d0e4cd1bde71e63ad244f9f94d18fac1

Download Submit