090d5d30060dbb6b2996d52b30d5df1e3462c82c7187665eff7a3487d5281e49

Analysis

max time kernel
133s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2024, 10:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

221f048e3687cbe802b04571ec1aad89_JaffaCakes118.exe
Size

47KB
MD5

221f048e3687cbe802b04571ec1aad89
SHA1

2eebdf1a56048c66c9b2af9b92f3cc2dd69eec4f
SHA256

090d5d30060dbb6b2996d52b30d5df1e3462c82c7187665eff7a3487d5281e49
SHA512

5e5ee5334e653a7127bbeb1274ad56b1802bdfa8deb0542567211cbcbea66ae7f4600c73e96c22d5ff498875ccfa37747876b012ef40830ebe49f96559bcc08d
SSDEEP

768:xJ5u4is6jz8fIpNeoPmgYlwQ+ayxY+PJvH6LQTpjEtZtcTGIKct8iaaMQArPZK4l:xRMAfIpNeOWtbuJFS9cMy8ifMPjo

Score

7^/10

aspackv2 upx

Malware Config

Signatures

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000600000002329a-13.dat	aspack_v212_v242

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-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	221f048e3687cbe802b04571ec1aad89_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2604	appstart.exe

Executes dropped EXE 1 IoCs

pid	Process
2604	appstart.exe

Loads dropped DLL 2 IoCs

pid	Process
2604	appstart.exe
2604	appstart.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2740-3-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/2740-14-0x0000000000400000-0x0000000000427000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sporder.Dll	221f048e3687cbe802b04571ec1aad89_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\appstart.exe	221f048e3687cbe802b04571ec1aad89_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\SrvDll.dll	221f048e3687cbe802b04571ec1aad89_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
2604	appstart.exe
660	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	2604	appstart.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 2604	2740	221f048e3687cbe802b04571ec1aad89_JaffaCakes118.exe	83
PID 2740 wrote to memory of 2604	2740	221f048e3687cbe802b04571ec1aad89_JaffaCakes118.exe	83
PID 2740 wrote to memory of 2604	2740	221f048e3687cbe802b04571ec1aad89_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\221f048e3687cbe802b04571ec1aad89_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\221f048e3687cbe802b04571ec1aad89_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\SysWOW64\appstart.exe
  "C:\Windows\system32\appstart.exe" delete C:\Users\Admin\AppData\Local\Temp\221f048e3687cbe802b04571ec1aad89_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2604

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

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\SrvDll.dll

Filesize
68KB

MD5
b27e80f8325ca010d4da98fa7e2f1bfe

SHA1
9c0177a9535a4db1076aeb67fea2cfaed77e3f72

SHA256
cc234c0364667509ee00321e67552ba794be05844e366ea5adc94e21b40f0b82

SHA512
1629ecf08a2bd0b1675716e1df0db775f196a99448473b965eaa4f3613b4ba439efd05a2854124ca11a3247b00c4a9f60c97b26bd42fe79b6f424a978b52ab77

Download Submit
C:\Windows\SysWOW64\appstart.exe

Filesize
40KB

MD5
5cc1407ea4826d84153870ce1ccc6dec

SHA1
021aa793ff3bee26d9b89c725496e9d7d3dbfcb3

SHA256
d534eb0d6190e235ce5ce21a8373a7bb02c675b6a388d138897bfc5a6a185e63

SHA512
f6dfa2cd6b6489889e54437ed3e686972aceaf034bc5ac2a5dc310dd0db56cc597b7636136a82105a5d551ef27d7f69130846561c8c3b17ec56f9043ba0a8962

Download Submit
C:\Windows\SysWOW64\sporder.Dll

Filesize
10KB

MD5
6e0a5d9116c1762957fe0881f1f744be

SHA1
361a0e726274dfc128528f57f7c5cbd97b17697a

SHA256
3620b1b9d016693066fd2b8ca172dfc5076734ef6b5e5e7ff45ae1055a2e0f80

SHA512
da31b34d29272121de88d4cbb16403f387ad2e886a382da8f025aa189b493fcda41d30acf5afb28a2e018920f394d0362eecdbf21f5546d66a9f3e122db96983

Download Submit
memory/2604-15-0x000000006C5F0000-0x000000006C710000-memory.dmp

Filesize
1.1MB

Download
memory/2604-25-0x000000006C5F0000-0x000000006C710000-memory.dmp

Filesize
1.1MB

Download
memory/2740-3-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2740-14-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download