5673481c653be0484585f1ebce29baf4ff45b607f09e6dc6d693c3ca814924d9

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/04/2024, 14:56

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General

Target

ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe
Size

11KB
MD5

ff89e9169687332e9360f1a694278a10
SHA1

f5ea43d1e94296689f80c34258d0ebfdedab533b
SHA256

5673481c653be0484585f1ebce29baf4ff45b607f09e6dc6d693c3ca814924d9
SHA512

6066e4ab8e3f5c74d9c3478d86de426c2662d5f598f630aa1bcf34d8a66e24bc4436fc34de0ce95d75440a7e38a493bce88f874dd10548f5d8262ff255ca85bf
SSDEEP

192:7jkXtnWf2btPDJMFks0FuMaytysJ29Be6/8vfie57STKrvdSQbRgd:HkdnWf2bdqk+Fe6/kfiexAKbd/gd

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Deletes itself 1 IoCs

pid	Process
2832	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2608	johandyk.exe

Loads dropped DLL 2 IoCs

pid	Process
2840	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe
2840	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2840-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/files/0x000b0000000144e8-3.dat	upx
behavioral1/memory/2840-5-0x0000000000230000-0x000000000023E000-memory.dmp	upx
behavioral1/memory/2840-12-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2608-13-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\johandy.dll	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\johandyk.exe	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\johandyk.exe	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 2608	2840	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe	28
PID 2840 wrote to memory of 2608	2840	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe	28
PID 2840 wrote to memory of 2608	2840	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe	28
PID 2840 wrote to memory of 2608	2840	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe	28
PID 2840 wrote to memory of 2832	2840	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe	29
PID 2840 wrote to memory of 2832	2840	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe	29
PID 2840 wrote to memory of 2832	2840	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe	29
PID 2840 wrote to memory of 2832	2840	ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\johandyk.exe
  C:\Windows\system32\johandyk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2608
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ff89e9169687332e9360f1a694278a10_JaffaCakes118.exe.bat

Filesize
210B

MD5
caf4cf6f228b50724f0d37d5052d098f

SHA1
67809f266f1f3148008ae17258f969e67e7b81d3

SHA256
5d39d847531f608e0b9dbb3b301308d6d75da03d54f66367144a2fc326457c96

SHA512
590be2bfa461d2f567cc6bae6115f798ded9228e2285553b7e8547c3178273947a1b74cbfe4cbb52392a68979bf714dd7c522601822848d7d1a8415a8594f3b8

Download Submit
\Windows\SysWOW64\johandyk.exe

Filesize
11KB

MD5
ff89e9169687332e9360f1a694278a10

SHA1
f5ea43d1e94296689f80c34258d0ebfdedab533b

SHA256
5673481c653be0484585f1ebce29baf4ff45b607f09e6dc6d693c3ca814924d9

SHA512
6066e4ab8e3f5c74d9c3478d86de426c2662d5f598f630aa1bcf34d8a66e24bc4436fc34de0ce95d75440a7e38a493bce88f874dd10548f5d8262ff255ca85bf

Download Submit
memory/2608-13-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2840-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2840-5-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/2840-10-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/2840-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2840-14-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/2840-15-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download