4bbdd6acfb8e6a2201bb2e9614b8cadba872240f2f3838837842bf8b805127fd

General

Target

81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
Size

652KB
MD5

81c4161eb45699e2a3c455e943327871
SHA1

4b573bc5629594cef8a6120ff977b0355ed5e33e
SHA256

4bbdd6acfb8e6a2201bb2e9614b8cadba872240f2f3838837842bf8b805127fd
SHA512

01c31351324a8800bd493987b00452ef1492e4c5b6d7175d2ab30376ba4e42b6550da0093b89ef257b577afcda997b95c5332c9cb8f0abc3ead3050ba646f947
SSDEEP

3072:Ad5WXpYI+538b8Hpd3cN+UQTvK96iCAn+hQn2ThLUciwENNIf8gokc3KrcDlA:38f8gokrrcD

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2528-2-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/2528-7-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/2528-6-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/2528-5-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/2528-4-0x0000000000400000-0x0000000000472000-memory.dmp	upx
behavioral1/memory/2528-14-0x0000000000400000-0x0000000000472000-memory.dmp	upx

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2604 set thread context of 2528	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	30
PID 2604 set thread context of 0	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
PID 2528 set thread context of 2620	2528	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 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	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
2528	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2528	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2528	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2528	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2528	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2528	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2528	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2528	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2528	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	30
PID 2604 wrote to memory of 2528	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	30
PID 2604 wrote to memory of 0	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
PID 2604 wrote to memory of 0	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
PID 2604 wrote to memory of 0	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
PID 2604 wrote to memory of 0	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
PID 2604 wrote to memory of 0	2604	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
PID 2528 wrote to memory of 2620	2528	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2620	2528	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2620	2528	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2620	2528	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2620	2528	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2620	2528	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2620	2528	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2620	2528	81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Users\Admin\AppData\Local\Temp\81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81c4161eb45699e2a3c455e943327871_JaffaCakes118.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2528-2-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2528-7-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2528-6-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2528-5-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2528-4-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2528-14-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2620-16-0x0000000000400000-0x0000000000408960-memory.dmp

Filesize
34KB

Download
memory/2620-15-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2620-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2620-17-0x0000000000400000-0x0000000000408960-memory.dmp

Filesize
34KB

Download
memory/2620-18-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2620-20-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing