5fe5cfbbd60667589673374f35949c84e45e39f552e1fd4e503284c97e64cbf1

Analysis

max time kernel
125s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13-05-2024 23:46

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General

Target

3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe
Size

240KB
MD5

3d13876ea84763b5b6491dbbeb45b635
SHA1

b4b5d3cbc6b445337abbc6a9aad3620b4ba1b563
SHA256

5fe5cfbbd60667589673374f35949c84e45e39f552e1fd4e503284c97e64cbf1
SHA512

640b3ec9aa2d4c284ff62a7b1797afb6c7f9b0ce13f523005eab33a5a8f7bb4155ceaa400591e60eec1babd690d85cf3ac76cc1208a9d787a38073fd82f966d7
SSDEEP

3072:hZDDO/IL0fgVPDnAdnqfPQSi9RN2I17dnqfPQSiO3HgR4ISEb4kBfd8G:3OwIf0DnrQLfsQGAR4yaG

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
4528	WScript.exe

Executes dropped EXE 1 IoCs

pid	Process
4944	Yqgqyww.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft Zcrvdt\Yqgqyww.exe	3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft Zcrvdt\Yqgqyww.exe	3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe

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-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings	3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2684	3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe
2684	3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe
4944	Yqgqyww.exe
4944	Yqgqyww.exe
2684	3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe
2684	3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4944	Yqgqyww.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 4528	2684	3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe	98
PID 2684 wrote to memory of 4528	2684	3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe	98
PID 2684 wrote to memory of 4528	2684	3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3d13876ea84763b5b6491dbbeb45b635_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\1684.vbs"
  2⤵
  - Deletes itself
  PID:4528

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 --field-trial-handle=4316,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=1040 /prefetch:8
1⤵
PID:3764

C:\Program Files (x86)\Microsoft Zcrvdt\Yqgqyww.exe
"C:\Program Files (x86)\Microsoft Zcrvdt\Yqgqyww.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\1684.vbs

Filesize
500B

MD5
d40b5b879e4e764f34bcd02c1376151a

SHA1
66ea0582ba3974201491fb784ebce57470f1ee88

SHA256
bfc3e7feace48fc2f0bf69c5cdc60fb26dabc53896e156deea6eca03b4600d0f

SHA512
b295d2d275f42047faa7e488e06f186b461272dbcbf18f08fcdbe1e452f58fbf1848fb72ddf57146eaf40a8e2e7cd27aee8cc5cb07ef011b7f5ad2244db1d11f

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C:\Program Files (x86)\Microsoft Zcrvdt\Yqgqyww.exe

Filesize
240KB

MD5
3d13876ea84763b5b6491dbbeb45b635

SHA1
b4b5d3cbc6b445337abbc6a9aad3620b4ba1b563

SHA256
5fe5cfbbd60667589673374f35949c84e45e39f552e1fd4e503284c97e64cbf1

SHA512
640b3ec9aa2d4c284ff62a7b1797afb6c7f9b0ce13f523005eab33a5a8f7bb4155ceaa400591e60eec1babd690d85cf3ac76cc1208a9d787a38073fd82f966d7

Download Submit