95c288b7823e346b4a2b8979e96db9318799629ba80637fc65a65ddc67d1141c

General

Target

eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe
Size

524KB
MD5

eb9b16560f7efc296fd22cb85566f31c
SHA1

2b5236a10ce1df09e47fa08137558e998e1f4bc9
SHA256

95c288b7823e346b4a2b8979e96db9318799629ba80637fc65a65ddc67d1141c
SHA512

443f4fed5b5dae09b9e4e68eebf5c41a8d4bffa3a0fd504c8024e5f91fbcb1948f941ce1f8f05c0311748e3d7331174986fbfdff864f9964d001d9ce3765c6df
SSDEEP

12288:3wt+9t6c1DegJITHmD9ikHCWf0y3gZIUVAeoh8tqLAJ8JiadoBSju:b6c11JkHmDM/WcSQIU21WWiae

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2840	wintems.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-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	wintems.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
2248	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe
2248	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe

Themida packer 7 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2248-0-0x0000000000400000-0x000000000052E000-memory.dmp	themida
behavioral1/memory/2248-4-0x0000000000400000-0x000000000052E000-memory.dmp	themida
behavioral1/files/0x000d000000012255-6.dat	themida
behavioral1/memory/2248-14-0x0000000000400000-0x000000000052E000-memory.dmp	themida
behavioral1/memory/2840-16-0x0000000000400000-0x000000000052E000-memory.dmp	themida
behavioral1/memory/2840-17-0x0000000000400000-0x000000000052E000-memory.dmp	themida
behavioral1/memory/2840-20-0x0000000000400000-0x000000000052E000-memory.dmp	themida

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\wintems.exe	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\wintems.exe	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\wintems.exe	wintems.exe
File created	C:\Windows\SysWOW64\wintems.exe	wintems.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 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	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2248	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe
2840	wintems.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe
Token: SeDebugPrivilege	2840	wintems.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2248	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe
2840	wintems.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2840	2248	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe	29
PID 2248 wrote to memory of 2840	2248	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe	29
PID 2248 wrote to memory of 2840	2248	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe	29
PID 2248 wrote to memory of 2840	2248	eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb9b16560f7efc296fd22cb85566f31c_JaffaCakes118.exe"
1⤵
- Identifies Wine through registry keys
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\wintems.exe
  "C:\Windows\system32\wintems.exe"
  2⤵
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2840

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

1

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

Replay Monitor

Loading Replay Monitor...

Downloads

\Windows\SysWOW64\wintems.exe

Filesize
524KB

MD5
eb9b16560f7efc296fd22cb85566f31c

SHA1
2b5236a10ce1df09e47fa08137558e998e1f4bc9

SHA256
95c288b7823e346b4a2b8979e96db9318799629ba80637fc65a65ddc67d1141c

SHA512
443f4fed5b5dae09b9e4e68eebf5c41a8d4bffa3a0fd504c8024e5f91fbcb1948f941ce1f8f05c0311748e3d7331174986fbfdff864f9964d001d9ce3765c6df

Download Submit
memory/2248-0-0x0000000000400000-0x000000000052E000-memory.dmp

Filesize
1.2MB

Download
memory/2248-1-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2248-2-0x0000000000401000-0x0000000000408000-memory.dmp

Filesize
28KB

Download
memory/2248-4-0x0000000000400000-0x000000000052E000-memory.dmp

Filesize
1.2MB

Download
memory/2248-14-0x0000000000400000-0x000000000052E000-memory.dmp

Filesize
1.2MB

Download
memory/2248-15-0x0000000004660000-0x000000000478E000-memory.dmp

Filesize
1.2MB

Download
memory/2840-16-0x0000000000400000-0x000000000052E000-memory.dmp

Filesize
1.2MB

Download
memory/2840-17-0x0000000000400000-0x000000000052E000-memory.dmp

Filesize
1.2MB

Download
memory/2840-20-0x0000000000400000-0x000000000052E000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads