f63e42990c20419aacbc5df21562ad512a227efa8b8f8be986a5fcbc5901e446

General

Target

41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
Size

120KB
MD5

41129ca9c4a2816e4c5a745cc4b62b94
SHA1

4cbaf0b4eb2c32c9a396b44216afab18f0aa2ca9
SHA256

f63e42990c20419aacbc5df21562ad512a227efa8b8f8be986a5fcbc5901e446
SHA512

93b1442bbbcbe8b3c3aa5c4aabcbc5af3c3a045f281745d7ed3749324cbf81769cbb5904135e0dab537f4697d06f1195489b6b7aef4c56b42254dc18be9e8cfc
SSDEEP

768:66M96MuZw+V0dQd3zKipFJyHX3NRb3wLpS/bnuooVokckCady8Hy999999F:hMgMu6YYKUHNRb3YwDnHDkXFS999999F

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2308	arx32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\web\arx32.exe	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
File created	C:\Windows\web\arx32.exe	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arx32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe
2308	arx32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 2308	1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe	85
PID 1332 wrote to memory of 2308	1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe	85
PID 1332 wrote to memory of 2308	1332	41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe	85
PID 2308 wrote to memory of 208	2308	arx32.exe	86
PID 2308 wrote to memory of 208	2308	arx32.exe	86
PID 2308 wrote to memory of 208	2308	arx32.exe	86

C:\Users\Admin\AppData\Local\Temp\41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\41129ca9c4a2816e4c5a745cc4b62b94_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1332
- C:\Windows\web\arx32.exe
  "C:\Windows\web\arx32.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Windows\SysWOW64\reg.exe
    reg add "hkcu\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v "load" /t reg_sz /d "C:\Windows\web\arx32.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Web\arx32.exe

Filesize
120KB

MD5
41129ca9c4a2816e4c5a745cc4b62b94

SHA1
4cbaf0b4eb2c32c9a396b44216afab18f0aa2ca9

SHA256
f63e42990c20419aacbc5df21562ad512a227efa8b8f8be986a5fcbc5901e446

SHA512
93b1442bbbcbe8b3c3aa5c4aabcbc5af3c3a045f281745d7ed3749324cbf81769cbb5904135e0dab537f4697d06f1195489b6b7aef4c56b42254dc18be9e8cfc

Download Submit
memory/1332-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1332-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1332-2-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1332-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2308-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2308-13-0x0000000000580000-0x0000000000590000-memory.dmp

Filesize
64KB

Download
memory/2308-14-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

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