03a28f7e581fa910f45eb78f1c563d13d44d329e64889b94ffa46818b871cf5c

Analysis

max time kernel
150s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 14:17

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General

Target

1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe
Size

13KB
MD5

1b9d7bba26841a2f126b9e9c0b9af3a7
SHA1

bab53f7d7e2b6db1b6d37f65997d5c3b46ff47e9
SHA256

03a28f7e581fa910f45eb78f1c563d13d44d329e64889b94ffa46818b871cf5c
SHA512

3b6e317f4ba7683d97f11b1be9676a7df4b770a80663398b2b1deac3d21e10a717a962b229986cd0a0a08d6d6c1aac5b7e9eb8c303078ad48d86ac2ad98983fd
SSDEEP

384:NTz9CDsxpRrB7y1Xk65cntevN8yCAt2OefD0IvH+:NTcsxPUR5ctev6yCAt4Z

Score

8^/10

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
4312	docyanxk.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2188-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4312-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0008000000023424-5.dat	upx
behavioral2/memory/2188-9-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4312-11-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\docyanxk.exe	1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\docyanx.dll	1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\docyanxk.exe	1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2188	1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe
2188	1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 4312	2188	1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe	81
PID 2188 wrote to memory of 4312	2188	1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe	81
PID 2188 wrote to memory of 4312	2188	1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe	81
PID 2188 wrote to memory of 4272	2188	1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe	82
PID 2188 wrote to memory of 4272	2188	1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe	82
PID 2188 wrote to memory of 4272	2188	1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\docyanxk.exe
  C:\Windows\system32\docyanxk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:4312
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe.bat
  2⤵
  PID:4272

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1b9d7bba26841a2f126b9e9c0b9af3a7_JaffaCakes118.exe.bat

Filesize
210B

MD5
8a7dd417f3195643a1d35bda65cea3f0

SHA1
9c20570db4c407f07235ec2bea59dab91aec9f4d

SHA256
1b31da3cb5f211faf889168fc10737e0c66208bedd0fe1877160bc6cd91ca435

SHA512
9960bdadf1e7305f731cfe424c17d7984a14a0bb82270c1bbeaf62718841220c23081fa060487d0f41114f276ef0a4c452b53f036e2c75a88d49661d0ba57427

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

Filesize
13KB

MD5
1b9d7bba26841a2f126b9e9c0b9af3a7

SHA1
bab53f7d7e2b6db1b6d37f65997d5c3b46ff47e9

SHA256
03a28f7e581fa910f45eb78f1c563d13d44d329e64889b94ffa46818b871cf5c

SHA512
3b6e317f4ba7683d97f11b1be9676a7df4b770a80663398b2b1deac3d21e10a717a962b229986cd0a0a08d6d6c1aac5b7e9eb8c303078ad48d86ac2ad98983fd

Download Submit
memory/2188-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2188-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4312-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4312-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download