049b8a7c53b8232b0058ae18f4526ee761889e2e89841fa6634b7222d783ece8

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/11/2024, 05:05

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General

Target

b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe
Size

2.6MB
MD5

b4e8d8b27b76e10b381f2cbd028a6506
SHA1

44b3aa8e52bfacd398a6816e07937b53f64abbec
SHA256

049b8a7c53b8232b0058ae18f4526ee761889e2e89841fa6634b7222d783ece8
SHA512

6f3049fa931c73221c62409ea3c2565d3c52d29f1c600e1561ef2d9423926c94e9ca2bb624e73796751fe138c54d6e00c405fd3e62ca9eb0c876585e56793101
SSDEEP

49152:nEaS3S5dLSWs47Nqwj7Y630KT78/w61UfyVYowILHsVegELx/pOrf7Qay3:nzJdOg06EKP8PGyVpQeoI3

Score

7^/10

discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2964	b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2964	b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
1860	b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1860-0-0x0000000000400000-0x0000000000D9E000-memory.dmp	upx
behavioral1/files/0x000a00000001225c-11.dat	upx
behavioral1/memory/2964-17-0x0000000000400000-0x0000000000D9E000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1860	b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1860	b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe
2964	b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2964	1860	b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe	28
PID 1860 wrote to memory of 2964	1860	b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe	28
PID 1860 wrote to memory of 2964	1860	b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe	28
PID 1860 wrote to memory of 2964	1860	b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Users\Admin\AppData\Local\Temp\b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\b4e8d8b27b76e10b381f2cbd028a6506_JaffaCakes118.exe

Filesize
2.6MB

MD5
7db52a67016734dfe3fe2329c4638ce4

SHA1
17a2d469b0fff2e2af10c36bcbd7bc5094531d18

SHA256
25ef92cfaa686a718136e3cb1d8a97a859bcb502a53d46626bb132fca75f2a00

SHA512
1763fa0b87c286eb013215cea0d3f9c79ee329c0301e7b7294fafaff59358a38b5667398c70053fb5b258921e4bbd85c7cf941c12f4d352f726efa3978b12312

Download Submit
memory/1860-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

Filesize
9.6MB

Download
memory/1860-8-0x0000000001FA0000-0x00000000021FA000-memory.dmp

Filesize
2.4MB

Download
memory/1860-1-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1860-14-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/1860-16-0x00000000038A0000-0x000000000423E000-memory.dmp

Filesize
9.6MB

Download
memory/1860-41-0x00000000038A0000-0x000000000423E000-memory.dmp

Filesize
9.6MB

Download
memory/2964-17-0x0000000000400000-0x0000000000D9E000-memory.dmp

Filesize
9.6MB

Download
memory/2964-24-0x00000000021C0000-0x000000000241A000-memory.dmp

Filesize
2.4MB

Download
memory/2964-42-0x0000000000400000-0x0000000000D9E000-memory.dmp

Filesize
9.6MB

Download