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
behavioral1/memory/1956-0-0x0000000000F00000-0x00000000019F4000-memory.dmp	upx
behavioral1/memory/1628-24-0x0000000000F00000-0x00000000019F4000-memory.dmp	upx
behavioral1/memory/1956-27-0x0000000000F00000-0x00000000019F4000-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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1956 set thread context of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\Main	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1628	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
1628	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1628	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
1628	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
1628	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe
1628	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1628	1956	38d87f3c50c0de46f09b451a28f3bb92_JaffaCakes118.exe	28

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:1956
- 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
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1628-11-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-32-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-4-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-24-0x0000000000F00000-0x00000000019F4000-memory.dmp

Filesize
11.0MB

Download
memory/1628-23-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-21-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-45-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-26-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1628-34-0x0000000000E70000-0x0000000000E80000-memory.dmp

Filesize
64KB

Download
memory/1628-9-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-28-0x00000000045E0000-0x00000000050D4000-memory.dmp

Filesize
11.0MB

Download
memory/1628-7-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-33-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1628-20-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-3-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-16-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1628-13-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-2-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1628-30-0x0000000000E70000-0x0000000000E80000-memory.dmp

Filesize
64KB

Download
memory/1628-31-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/1956-0-0x0000000000F00000-0x00000000019F4000-memory.dmp

Filesize
11.0MB

Download
memory/1956-1-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1956-22-0x0000000003D60000-0x0000000004854000-memory.dmp

Filesize
11.0MB

Download
memory/1956-27-0x0000000000F00000-0x00000000019F4000-memory.dmp

Filesize
11.0MB

Download

Analysis

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