2b5595b23ced52ee60175d85702aa796b6514f494434a4021d6b2b615546e032

General

Target

38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
Size

3.8MB
MD5

38d87f3c50c0de46f09b451a28f3bb92
SHA1

bd6894ea9c30af64ce499d98c0b88a2a7fbea4de
SHA256

2b5595b23ced52ee60175d85702aa796b6514f494434a4021d6b2b615546e032
SHA512

cf84a38b753b306d8c9b0c23809b6d421b72a718b79b825c8bc04624571c79dfea99d05d71a8ce5cf13db55b2581dcc7b98629f3292179b883d84ee71b1c4959
SSDEEP

98304:uZuarCtWyX0p+tUFHtrXCDHGkSn8b+vPd9:uZHrzyG+2aDHGkS8C7

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2720-0-0x0000000000F00000-0x00000000019F4000-memory.dmp	upx
behavioral2/memory/2964-16-0x0000000000F00000-0x00000000019F4000-memory.dmp	upx
behavioral2/memory/2720-15-0x0000000000F00000-0x00000000019F4000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 3 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\Count	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2964	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
2964	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
2964	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
2964	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2964	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
2964	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
2964	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
2964	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87
PID 2720 wrote to memory of 2964	2720	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Users\Admin\AppData\Local\Temp\38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2720-0-0x0000000000F00000-0x00000000019F4000-memory.dmp

Filesize
11.0MB

Download
memory/2720-1-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/2720-15-0x0000000000F00000-0x00000000019F4000-memory.dmp

Filesize
11.0MB

Download
memory/2964-17-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2964-7-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2964-9-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2964-16-0x0000000000F00000-0x00000000019F4000-memory.dmp

Filesize
11.0MB

Download
memory/2964-18-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

Filesize
4KB

Download
memory/2964-10-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2964-3-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2964-13-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2964-5-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2964-2-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2964-20-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2964-21-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2964-22-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2964-23-0x0000000000EF0000-0x0000000000EF1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing