11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355

Analysis

max time kernel
1121s
max time network
1238s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 16:57

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General

Target

11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355.iso
Size

2.5MB
MD5

f4235fde77119ac772a2730d55c49c54
SHA1

a250adaf3d5a5c2cd4d5ad4390e4cecbe00b3dd7
SHA256

11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355
SHA512

c65b5bbba88cd96856766b1c9f3cce0d7ccedeb63164e165a50508cd2147b522994edaf271953ef19a41afdd7b92bae1aa45b1e5f7e18885a1e68d8012a55086
SSDEEP

24576:/ndTy8pMlAshQiX5Qtme5hekk+t8cH21dFa8POIuTQO0nvpC2QQLVtIwkvME:VT+69d5hrkgp4OlT90nvpdL7kv

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1004	7zFM.exe
1856	rundll32.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: 33	1720	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1720	AUDIODG.EXE
Token: 33	1720	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1720	AUDIODG.EXE
Token: SeRestorePrivilege	1504	7zG.exe
Token: 35	1504	7zG.exe
Token: SeSecurityPrivilege	1504	7zG.exe
Token: SeSecurityPrivilege	1504	7zG.exe
Token: SeRestorePrivilege	1004	7zFM.exe
Token: 35	1004	7zFM.exe
Token: SeRestorePrivilege	1736	7zFM.exe
Token: 35	1736	7zFM.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1504	7zG.exe
1004	7zFM.exe
1736	7zFM.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 580 wrote to memory of 1440	580	cmd.exe	29
PID 580 wrote to memory of 1440	580	cmd.exe	29
PID 580 wrote to memory of 1440	580	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355.iso
1⤵
- Suspicious use of WriteProcessMemory
PID:580
- C:\Windows\System32\isoburn.exe
  "C:\Windows\System32\isoburn.exe" "C:\Users\Admin\AppData\Local\Temp\11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355.iso"
  2⤵
  PID:1440

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1216

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4f8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1720

C:\Windows\System32\isoburn.exe
"C:\Windows\System32\isoburn.exe" "C:\Users\Admin\AppData\Local\Temp\11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355.iso"
1⤵
PID:888

C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355\" -spe -an -ai#7zMap19148:208:7zEvent22325
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1504

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355.iso"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1004

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355.iso"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1736

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355.7z
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
PID:1856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/580-54-0x000007FEFC461000-0x000007FEFC463000-memory.dmp

Filesize
8KB

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