d15022414d7dec1e95037c97fa1717e7b6941ebdaf871dab9f675a4ddd49c561

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
16/04/2024, 13:21

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General

Target

f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe
Size

12KB
MD5

f3947c7d4124895a2f562f13ec3f4069
SHA1

211083c6f724fa4707e7ef7a2f19e27e35e851ad
SHA256

d15022414d7dec1e95037c97fa1717e7b6941ebdaf871dab9f675a4ddd49c561
SHA512

7c566e7d0a406ad1b37b40a162a54191dc4b317014ae3d5fb869c0f0fc028af3948fb692eb0582c8e413ae69350e89e0b4442df257a70ef10020e8490b92ec22
SSDEEP

192:EdhkC/uiOtfuN1RL0tfFIvyW/QDicZaTl6cul+Y7pUa9iLGEFPg:yhkC/xQfu90t6Kih6NYY7ykk5g

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
2764	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2748	businesnk.exe

Loads dropped DLL 2 IoCs

pid	Process
1048	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe
1048	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1048-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/files/0x000e0000000122e5-3.dat	upx
behavioral1/memory/1048-4-0x0000000000230000-0x000000000023E000-memory.dmp	upx
behavioral1/memory/2748-12-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/1048-13-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\businesn.dll	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\businesnk.exe	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\businesnk.exe	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1048	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2748	1048	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe	28
PID 1048 wrote to memory of 2748	1048	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe	28
PID 1048 wrote to memory of 2748	1048	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe	28
PID 1048 wrote to memory of 2748	1048	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe	28
PID 1048 wrote to memory of 2764	1048	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe	29
PID 1048 wrote to memory of 2764	1048	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe	29
PID 1048 wrote to memory of 2764	1048	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe	29
PID 1048 wrote to memory of 2764	1048	f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\businesnk.exe
  C:\Windows\system32\businesnk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  PID:2764

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\f3947c7d4124895a2f562f13ec3f4069_JaffaCakes118.exe.bat

Filesize
210B

MD5
767a0300393e6c2252b1e10c19d7f698

SHA1
a94c3bafc2f89ef56598f2069eb87d7119899bfe

SHA256
b8126f2215869c97711787394b44e4f512af89c7ea23ea4fbd663ea8cfa163e5

SHA512
40ad5bbea4fb77bbb4b80defdc9da023358ee3a40aa9b8810b4bbf262dfc8296836cee43028a754a22ab3fb464b11af5df5cba5dc8ffd4e836096a0a03f73b0c

Download Submit
\Windows\SysWOW64\businesnk.exe

Filesize
12KB

MD5
f3947c7d4124895a2f562f13ec3f4069

SHA1
211083c6f724fa4707e7ef7a2f19e27e35e851ad

SHA256
d15022414d7dec1e95037c97fa1717e7b6941ebdaf871dab9f675a4ddd49c561

SHA512
7c566e7d0a406ad1b37b40a162a54191dc4b317014ae3d5fb869c0f0fc028af3948fb692eb0582c8e413ae69350e89e0b4442df257a70ef10020e8490b92ec22

Download Submit
memory/1048-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1048-4-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/1048-11-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/1048-13-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1048-17-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/2748-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download