482b23ea088028743f61ea43d0ef6a023967e4f9b0aa217d9876f7e704334027

Analysis

max time kernel
141s
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
01/07/2024, 08:07

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

1a8a8317dc5e1ccdbaaf3daf71c98cfa_JaffaCakes118.exe
Size

291KB
MD5

1a8a8317dc5e1ccdbaaf3daf71c98cfa
SHA1

62f34e384d67ccb881b07acd87043b8daf4d6192
SHA256

482b23ea088028743f61ea43d0ef6a023967e4f9b0aa217d9876f7e704334027
SHA512

003c50d78dbfea9520c075abcbef23f3ff934b0a4754d61bd67c14174582db578f2ad916bc5eba994c4701bfeefd038482f3ab6fbd19780348151b592a63b5de
SSDEEP

6144:dB82uisefTj18WY7hY3pntmlii6bOPtS/0iG+1cDX:P8X4x8W8qZnvi+OU/59iDX

Score

7^/10

upx

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	1a8a8317dc5e1ccdbaaf3daf71c98cfa_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4920	bpk.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1184-0-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/1184-3-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/1184-14-0x0000000000400000-0x0000000000424000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3260	4920	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 4920	1184	1a8a8317dc5e1ccdbaaf3daf71c98cfa_JaffaCakes118.exe	90
PID 1184 wrote to memory of 4920	1184	1a8a8317dc5e1ccdbaaf3daf71c98cfa_JaffaCakes118.exe	90
PID 1184 wrote to memory of 4920	1184	1a8a8317dc5e1ccdbaaf3daf71c98cfa_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\1a8a8317dc5e1ccdbaaf3daf71c98cfa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a8a8317dc5e1ccdbaaf3daf71c98cfa_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\bpk.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\bpk.exe" !psw=123
  2⤵
  - Executes dropped EXE
  PID:4920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 476
    3⤵
    - Program crash
    PID:3260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4920 -ip 4920
1⤵
PID:3084

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=4048 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:3164

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:\Users\Admin\AppData\Local\Temp\RarSFX0\bpk.exe

Filesize
263KB

MD5
e4568c73e7f320c189d80733b8a50f29

SHA1
6816345486a36dd56d224e54740a7295da5130ce

SHA256
b6fdb3403f2d7fcd50076bb5e8c85cc4b0f9da8e5797b0ad98eb1237cba6cab6

SHA512
baee60cd5238ac7fb38fe53ed2e14b01bdb19cb1773d97c0ca2b618b36f3ac69e3642f89eb5079f7152d9b168ce988ca4a2cd95d25597f07013bdeec904d9f6a

Download Submit
memory/1184-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1184-3-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1184-14-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4920-10-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4920-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download