2769cda05f529f1ac3189993cb0632e9a67a3563a90c1848018796363583f8c0

Analysis

max time kernel
150s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 02:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe
Size

11KB
MD5

b1d0b2c809c52db4ed1f1a61cc48d6e7
SHA1

6279feb68fe09dd9a283566c98bd238f57e8d2f9
SHA256

2769cda05f529f1ac3189993cb0632e9a67a3563a90c1848018796363583f8c0
SHA512

12bf5ff9f8a6ac69d8fe56909f2ad937505617885c9e189d7645bd5a7ac288a82cb8c579fe74669d422f18b4ebbb98541d98495b068726ab31b8df1f0b101f9b
SSDEEP

192:6FdN2aCBB8MG+JwiecLVUrS8Q4PU94m6iIekJ2sLmxCo9F29EZ6LQnME87VeQcZ:8NgjaieWUrSvFtZULIB9F27cMb2

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
3220	cmbdafk.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/244-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x000700000002356b-4.dat	upx
behavioral2/memory/244-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/3220-8-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cmbdaf.dll	b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\cmbdafk.exe	b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\cmbdafk.exe	b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmbdafk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 244 wrote to memory of 3220	244	b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe	93
PID 244 wrote to memory of 3220	244	b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe	93
PID 244 wrote to memory of 3220	244	b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe	93
PID 244 wrote to memory of 2676	244	b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe	107
PID 244 wrote to memory of 2676	244	b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe	107
PID 244 wrote to memory of 2676	244	b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe	107

C:\Users\Admin\AppData\Local\Temp\b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:244
- C:\Windows\SysWOW64\cmbdafk.exe
  C:\Windows\system32\cmbdafk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3220
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2676

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 --field-trial-handle=4328,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:8
1⤵
PID:4332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\b1d0b2c809c52db4ed1f1a61cc48d6e7_JaffaCakes118.exe.bat

Filesize
210B

MD5
18685ea00b1002dfe817bab0f1d00de9

SHA1
608b2dace7199ebdc6da9a0ed06caa21ff084be0

SHA256
e86c5942d1ad174fc25458f75ce1f92526d494fd8a982d01239b43df5fed21ac

SHA512
1d298b3d6cbf8942f8bec3fcf6291587f79c1ae5e976c75cf421000d87301aea6dbac57760d122d1f4a71cd503d2ee1fd083ea2b52e62893d0ec7965bde85bef

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

Filesize
11KB

MD5
b1d0b2c809c52db4ed1f1a61cc48d6e7

SHA1
6279feb68fe09dd9a283566c98bd238f57e8d2f9

SHA256
2769cda05f529f1ac3189993cb0632e9a67a3563a90c1848018796363583f8c0

SHA512
12bf5ff9f8a6ac69d8fe56909f2ad937505617885c9e189d7645bd5a7ac288a82cb8c579fe74669d422f18b4ebbb98541d98495b068726ab31b8df1f0b101f9b

Download Submit
memory/244-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/244-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3220-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download