3afafb7eccde7d096efc851ce256b975f2b0fc1402d29757172e938345b9890c

General

Target

86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe
Size

1.9MB
MD5

86c71263f896cc569ac6180e866051f1
SHA1

74eac68367d199e820b43019fd6bdce73b8e1292
SHA256

3afafb7eccde7d096efc851ce256b975f2b0fc1402d29757172e938345b9890c
SHA512

bd430d541e716952cb1b3e4cdb316100f55b30734d9fc6bc91dbee04c0eca309ec265c95fb57c44978ed9a4ef2db8e466709bb67b9ad3c73107bdf59b2c69b94
SSDEEP

49152:aVilmG2UoH402gAvIag4Wy8dODOnX7xvO7MtFmCa:RmKoYvgAQv4b8QSrx27AmCa

Score

7^/10

discovery evasion themida

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\WINE	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Wine	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/4960-3-0x0000000000400000-0x00000000005E7000-memory.dmp	themida
behavioral2/memory/4960-4-0x0000000000400000-0x00000000005E7000-memory.dmp	themida
behavioral2/memory/4960-5-0x0000000000400000-0x00000000005E7000-memory.dmp	themida
behavioral2/memory/4960-6-0x0000000000400000-0x00000000005E7000-memory.dmp	themida
behavioral2/memory/4960-7-0x0000000000400000-0x00000000005E7000-memory.dmp	themida
behavioral2/memory/4960-8-0x0000000000400000-0x00000000005E7000-memory.dmp	themida
behavioral2/memory/4960-12-0x0000000000400000-0x00000000005E7000-memory.dmp	themida
behavioral2/memory/4960-11-0x0000000000400000-0x00000000005E7000-memory.dmp	themida
behavioral2/memory/4960-20-0x0000000000400000-0x00000000005E7000-memory.dmp	themida

System Location Discovery: System Language Discovery 1 TTPs 1 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	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4960	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe
4960	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe
4960	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe
4960	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 3428	4960	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe	56
PID 4960 wrote to memory of 3428	4960	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe	56
PID 4960 wrote to memory of 3428	4960	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe	56
PID 4960 wrote to memory of 3428	4960	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe	56
PID 4960 wrote to memory of 3428	4960	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe	56
PID 4960 wrote to memory of 3428	4960	86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3428
- C:\Users\Admin\AppData\Local\Temp\86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\86c71263f896cc569ac6180e866051f1_JaffaCakes118.exe"
  2⤵
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3428-10-0x000000007FFF0000-0x000000007FFF1000-memory.dmp

Filesize
4KB

Download
memory/3428-14-0x000000007FFC0000-0x000000007FFC6000-memory.dmp

Filesize
24KB

Download
memory/4960-2-0x0000000000400000-0x00000000005E7000-memory.dmp

Filesize
1.9MB

Download
memory/4960-3-0x0000000000400000-0x00000000005E7000-memory.dmp

Filesize
1.9MB

Download
memory/4960-0-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/4960-5-0x0000000000400000-0x00000000005E7000-memory.dmp

Filesize
1.9MB

Download
memory/4960-6-0x0000000000400000-0x00000000005E7000-memory.dmp

Filesize
1.9MB

Download
memory/4960-7-0x0000000000400000-0x00000000005E7000-memory.dmp

Filesize
1.9MB

Download
memory/4960-8-0x0000000000400000-0x00000000005E7000-memory.dmp

Filesize
1.9MB

Download
memory/4960-4-0x0000000000400000-0x00000000005E7000-memory.dmp

Filesize
1.9MB

Download
memory/4960-12-0x0000000000400000-0x00000000005E7000-memory.dmp

Filesize
1.9MB

Download
memory/4960-11-0x0000000000400000-0x00000000005E7000-memory.dmp

Filesize
1.9MB

Download
memory/4960-1-0x0000000000400000-0x00000000005E7000-memory.dmp

Filesize
1.9MB

Download
memory/4960-18-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/4960-20-0x0000000000400000-0x00000000005E7000-memory.dmp

Filesize
1.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads