11910356b30fa468a833024cccb983ade36d3c3f42407631651f681ddf72872a

General

Target

a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe
Size

2.0MB
MD5

a3fd1394d923ad031233bfc0f3a126b6
SHA1

99fb786cd70cc9bbb1f026601fe93dc1be06a20b
SHA256

11910356b30fa468a833024cccb983ade36d3c3f42407631651f681ddf72872a
SHA512

8a060e00d2eec53737af31ae2ecc3b8bc6ba9c9b23a2ad61b8b95c95123d9e232184fb20cad40077adb42fed7dc870ecd31923f6541ef2293ae00d9f0651609f
SSDEEP

49152:j3Dee136eLtKCAdmYuLNEEId12PRfpaVfHTH0:j3DeeYectdmNEEOI9paVfHT

Score

7^/10

discovery evasion spyware stealer themida

Malware Config

Signatures

Identifies Wine through registry keys 2 TTPs 1 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-1-5-21-940600906-3464502421-4240639183-1000\Software\Wine	a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Themida packer 26 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1688-0-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-4-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-5-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-6-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-7-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-8-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-9-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-10-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-11-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-12-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-13-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-14-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-15-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-16-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-17-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-19-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-20-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-21-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-22-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-23-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-24-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-25-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-26-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-27-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-28-0x0000000000400000-0x0000000000658000-memory.dmp	themida
behavioral1/memory/1688-29-0x0000000000400000-0x0000000000658000-memory.dmp	themida

Network Share Discovery 1 TTPs
Attempt to gather information on host network.
discovery

Network Share Discovery
T1135

Program crash 1 IoCs

pid	pid_target	Process	procid_target
580	1688	WerFault.exe	29

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	a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1688	a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2100	1688	a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2100	1688	a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2100	1688	a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe	30
PID 1688 wrote to memory of 2100	1688	a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe	30
PID 2100 wrote to memory of 2472	2100	net.exe	32
PID 2100 wrote to memory of 2472	2100	net.exe	32
PID 2100 wrote to memory of 2472	2100	net.exe	32
PID 2100 wrote to memory of 2472	2100	net.exe	32
PID 1688 wrote to memory of 580	1688	a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe	34
PID 1688 wrote to memory of 580	1688	a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe	34
PID 1688 wrote to memory of 580	1688	a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe	34
PID 1688 wrote to memory of 580	1688	a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a3fd1394d923ad031233bfc0f3a126b6_JaffaCakes118.exe"
1⤵
- Identifies Wine through registry keys
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\net.exe
  net stop SharedAccess
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop SharedAccess
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 388
  2⤵
  - Program crash
  PID:580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Network Share Discovery

Query Registry

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1688-1-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1688-0-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-2-0x0000000000260000-0x0000000000357000-memory.dmp

Filesize
988KB

Download
memory/1688-3-0x0000000000401000-0x0000000000446000-memory.dmp

Filesize
276KB

Download
memory/1688-4-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-5-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-6-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-7-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-8-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-9-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-10-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-11-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-12-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-13-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-14-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-15-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-16-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-17-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-18-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1688-19-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-20-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-21-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-22-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-23-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-24-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-25-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-26-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-27-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-28-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download
memory/1688-29-0x0000000000400000-0x0000000000658000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads