256d21ae8f5e724d7e1a0204c8a62caac908ba9db978b8b75b3bd8e09a3544a1

Analysis

max time kernel
150s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2024, 07:52

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General

Target

2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe
Size

10KB
MD5

2b8b8a9b1799d002f2dba0d61c185514
SHA1

c9968eb6861ee29aafd12e396c454a7c4ea5b6da
SHA256

256d21ae8f5e724d7e1a0204c8a62caac908ba9db978b8b75b3bd8e09a3544a1
SHA512

a39dc14a2e953f0a8ee96bb885450d7a6f31609832aeebbcb327abbdf5acf03ee1d74dd18a44a0cb2245a7dc405f43038138f7ec06a77f28741fa7ca6b6a1391
SSDEEP

192:OLsu9niHiq5HL4+v6+S+8egpnWwnRlo9OYdUcvfZcGZrtJOLWUnSetwbHlALT:OodiqW+v5Sh9lWwRUBKcvfZhF0k0

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
4232	jxerryik.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4508-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x00080000000234b9-4.dat	upx
behavioral2/memory/4508-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4232-7-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\jxerryik.exe	2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\jxerryi.dll	2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\jxerryik.exe	2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 4232	4508	2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe	83
PID 4508 wrote to memory of 4232	4508	2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe	83
PID 4508 wrote to memory of 4232	4508	2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe	83
PID 4508 wrote to memory of 1616	4508	2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe	88
PID 4508 wrote to memory of 1616	4508	2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe	88
PID 4508 wrote to memory of 1616	4508	2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Windows\SysWOW64\jxerryik.exe
  C:\Windows\system32\jxerryik.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:4232
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe.bat
  2⤵
  PID:1616

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\2b8b8a9b1799d002f2dba0d61c185514_JaffaCakes118.exe.bat

Filesize
210B

MD5
2fc884a9a4c456681965e88a35c0d22d

SHA1
55849cd1aff5dedbd256e58b1732755ed130236b

SHA256
a04ae32c037166a6a25b60b2addb2a5e65c3332b7a139c3832c3ec36504a9589

SHA512
194e8049c417a5acde4eef16f8ce270ca1b6830764338c2291e47510b001ff5af7d35acfeb7a424fb2b8a13696a88cf6d96296970ff968d17b008e94cebbec76

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

Filesize
10KB

MD5
2b8b8a9b1799d002f2dba0d61c185514

SHA1
c9968eb6861ee29aafd12e396c454a7c4ea5b6da

SHA256
256d21ae8f5e724d7e1a0204c8a62caac908ba9db978b8b75b3bd8e09a3544a1

SHA512
a39dc14a2e953f0a8ee96bb885450d7a6f31609832aeebbcb327abbdf5acf03ee1d74dd18a44a0cb2245a7dc405f43038138f7ec06a77f28741fa7ca6b6a1391

Download Submit
memory/4232-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4508-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4508-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download