528ced8374e6a1fd7535fb8dad704e88318f8544afed448fb6a2536cfe941723

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
14/07/2024, 14:57

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General

Target

465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe
Size

13KB
MD5

465114e3b8c13bd29c8058279b6041c9
SHA1

851674d69efdb311d82af3fccf950138c403a680
SHA256

528ced8374e6a1fd7535fb8dad704e88318f8544afed448fb6a2536cfe941723
SHA512

0d25ee03ea2df1b3e4ab88857c2b91f66bc494f5d70be0882776f4888e8f773ca01c582e63d6a875828300d4fcd18e9867453389a4b52ce9e6fed47001c95f0e
SSDEEP

384:25Xx6/S+PDefeVmTQVFWIEw0vpKHNVlGr9L3+:2zeDBVqQVFWIIRKHN6pL

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

Deletes itself 1 IoCs

pid	Process
2848	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2716	xuntxnk.exe

Loads dropped DLL 2 IoCs

pid	Process
2772	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe
2772	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2772-1-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x0034000000016d5a-3.dat	upx
behavioral1/memory/2716-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2772-20-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xuntxn.dll	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\xuntxnk.exe	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\xuntxnk.exe	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2772	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2716	2772	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe	30
PID 2772 wrote to memory of 2716	2772	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe	30
PID 2772 wrote to memory of 2716	2772	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe	30
PID 2772 wrote to memory of 2716	2772	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe	30
PID 2772 wrote to memory of 2848	2772	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe	31
PID 2772 wrote to memory of 2848	2772	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe	31
PID 2772 wrote to memory of 2848	2772	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe	31
PID 2772 wrote to memory of 2848	2772	465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\xuntxnk.exe
  C:\Windows\system32\xuntxnk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2716
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  PID:2848

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\465114e3b8c13bd29c8058279b6041c9_JaffaCakes118.exe.bat

Filesize
201B

MD5
e0b7cbf2f215326128dc57bd1149aa54

SHA1
317af8790724f8c5988fd572c4a433fbded5b20a

SHA256
7c1a2cb11dcbcd1669e9d130c07aa8577a46646b31d8822d8b7747b4ff091d39

SHA512
664cf88d66e107ef38fde4d5b339c2d31fd64b7964cc3d11e804c903eaf400bf7d6090d8e67d078f38530c08e6458de59b3959e6588f4134dd258beb39f4ebdf

Download Submit
\Windows\SysWOW64\xuntxnk.exe

Filesize
13KB

MD5
465114e3b8c13bd29c8058279b6041c9

SHA1
851674d69efdb311d82af3fccf950138c403a680

SHA256
528ced8374e6a1fd7535fb8dad704e88318f8544afed448fb6a2536cfe941723

SHA512
0d25ee03ea2df1b3e4ab88857c2b91f66bc494f5d70be0882776f4888e8f773ca01c582e63d6a875828300d4fcd18e9867453389a4b52ce9e6fed47001c95f0e

Download Submit
memory/2716-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2772-1-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2772-11-0x0000000000030000-0x000000000003F000-memory.dmp

Filesize
60KB

Download
memory/2772-10-0x0000000000030000-0x000000000003F000-memory.dmp

Filesize
60KB

Download
memory/2772-20-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download