8c8326b81b34e2f497af391d332e2f6994b807b3ff7c6bccdb728e976d2a8485

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 08:59

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General

Target

1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe
Size

11KB
MD5

1568fd7abb74fdc3ddfeddafdb1718d7
SHA1

a5e88d5fea33b6c9671defe70f96fa8be5b8e5a4
SHA256

8c8326b81b34e2f497af391d332e2f6994b807b3ff7c6bccdb728e976d2a8485
SHA512

6fbc19c649c5d27a82d669061369d4a9f92bc26287dfe6d5795a7ef7aed04cd9fba8d661ed0784778ddd3e84887302f6923f7ca5fd878a28ec93a22b964d693f
SSDEEP

192:DYR+wsLmf9VfgnkYWCoIne80kotFfBnVPJ0Y3jbBUdb1e65:E6irfgkYfX0t93B13jbBUdbb

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
3196	caotxbk.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2944-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0008000000023459-4.dat	upx
behavioral2/memory/3196-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/2944-7-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\caotxb.dll	1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\caotxbk.exe	1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\caotxbk.exe	1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 3196	2944	1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe	83
PID 2944 wrote to memory of 3196	2944	1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe	83
PID 2944 wrote to memory of 3196	2944	1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe	83
PID 2944 wrote to memory of 1932	2944	1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe	97
PID 2944 wrote to memory of 1932	2944	1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe	97
PID 2944 wrote to memory of 1932	2944	1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Windows\SysWOW64\caotxbk.exe
  C:\Windows\system32\caotxbk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:3196
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe.bat
  2⤵
  PID:1932

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\1568fd7abb74fdc3ddfeddafdb1718d7_JaffaCakes118.exe.bat

Filesize
210B

MD5
2e591af8d1274b6d92aea80ebcc881a1

SHA1
a4b9727ee2c8c56f9a55fb5d7b6df518150296ff

SHA256
71996897835f1e4dad00c575de31a52ed489d06ab6f48e065a08d350224d3632

SHA512
6ff8b6626bd1470788d23de5a17b33f8b325ff67e6e6f720a190f71f53748ca124163de3366dbb0dd167a10ccc2eeca2504b0a13993250e4147b42633f2701fc

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

Filesize
11KB

MD5
1568fd7abb74fdc3ddfeddafdb1718d7

SHA1
a5e88d5fea33b6c9671defe70f96fa8be5b8e5a4

SHA256
8c8326b81b34e2f497af391d332e2f6994b807b3ff7c6bccdb728e976d2a8485

SHA512
6fbc19c649c5d27a82d669061369d4a9f92bc26287dfe6d5795a7ef7aed04cd9fba8d661ed0784778ddd3e84887302f6923f7ca5fd878a28ec93a22b964d693f

Download Submit
memory/2944-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2944-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3196-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download