86686a2cd135ff852eb7ce1644a4ccbd541bb0e43ed328f4adf71db4121eb06d

General

Target

fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe
Size

2.1MB
MD5

fa9638a6a334baced7199d6043dc3f89
SHA1

5db1143a471eecc424ef0c1ecbaf137fd9285062
SHA256

86686a2cd135ff852eb7ce1644a4ccbd541bb0e43ed328f4adf71db4121eb06d
SHA512

d069016c0791d5f5825098446d49067a86015aece6a735c2c449fb820a7fd6daa2a2640c23a05badb64b50da23a2e0c99b6524e868d8cc3b59d0d82aef7c425a
SSDEEP

49152:fxWcDC7gLD69dtxCj7pejqJDj2QgLD05kLnc/xyrYIhhUm:f7DC7gLwTCjVRJ/sECEx2Mm

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2976	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2668	msn.cc

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe

Themida packer 13 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/3028-0-0x0000000000400000-0x000000000061E000-memory.dmp	themida
behavioral1/memory/3028-6-0x0000000000400000-0x000000000061E000-memory.dmp	themida
behavioral1/memory/3028-7-0x0000000000400000-0x000000000061E000-memory.dmp	themida
behavioral1/files/0x0008000000015686-8.dat	themida
behavioral1/memory/2668-9-0x0000000000400000-0x000000000061E000-memory.dmp	themida
behavioral1/memory/2668-11-0x0000000000400000-0x000000000061E000-memory.dmp	themida
behavioral1/memory/2668-10-0x0000000000400000-0x000000000061E000-memory.dmp	themida
behavioral1/memory/2668-13-0x0000000000400000-0x000000000061E000-memory.dmp	themida
behavioral1/memory/2556-18-0x0000000000400000-0x000000000061E000-memory.dmp	themida
behavioral1/memory/2668-19-0x0000000000400000-0x000000000061E000-memory.dmp	themida
behavioral1/memory/3028-31-0x0000000000400000-0x000000000061E000-memory.dmp	themida
behavioral1/memory/3028-29-0x0000000000400000-0x000000000061E000-memory.dmp	themida
behavioral1/memory/2668-34-0x0000000000400000-0x000000000061E000-memory.dmp	themida

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2668 set thread context of 2556	2668	msn.cc	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\msn\msn.cc	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe
File opened for modification	C:\Program Files\msn\msn.cc	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\uninstal.bat	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msn.cc

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3028	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe
2668	msn.cc

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe
Token: SeDebugPrivilege	2668	msn.cc

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2556	2668	msn.cc	31
PID 2668 wrote to memory of 2556	2668	msn.cc	31
PID 2668 wrote to memory of 2556	2668	msn.cc	31
PID 2668 wrote to memory of 2556	2668	msn.cc	31
PID 2668 wrote to memory of 2556	2668	msn.cc	31
PID 2668 wrote to memory of 2556	2668	msn.cc	31
PID 3028 wrote to memory of 2976	3028	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe	32
PID 3028 wrote to memory of 2976	3028	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe	32
PID 3028 wrote to memory of 2976	3028	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe	32
PID 3028 wrote to memory of 2976	3028	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe	32
PID 3028 wrote to memory of 2976	3028	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe	32
PID 3028 wrote to memory of 2976	3028	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe	32
PID 3028 wrote to memory of 2976	3028	fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa9638a6a334baced7199d6043dc3f89_JaffaCakes118.exe"
1⤵
- Identifies Wine through registry keys
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\uninstal.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2976

C:\Program Files\msn\msn.cc
"C:\Program Files\msn\msn.cc"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\EXPLORER.EXE
  EXPLORER.EXE
  2⤵
  PID:2556

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 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

C:\Program Files\msn\msn.cc

Filesize
2.1MB

MD5
fa9638a6a334baced7199d6043dc3f89

SHA1
5db1143a471eecc424ef0c1ecbaf137fd9285062

SHA256
86686a2cd135ff852eb7ce1644a4ccbd541bb0e43ed328f4adf71db4121eb06d

SHA512
d069016c0791d5f5825098446d49067a86015aece6a735c2c449fb820a7fd6daa2a2640c23a05badb64b50da23a2e0c99b6524e868d8cc3b59d0d82aef7c425a

Download Submit
C:\Windows\uninstal.bat

Filesize
218B

MD5
ff2a2f43227096121bae91fb7d0d7478

SHA1
a912ab855b1e740f2aa6e00dc3a75f7b2fc15269

SHA256
289390e151ce15ca1a07db2e5e3f482d39c4cbb236e8896be031ee3f9a3d402d

SHA512
f012b83afca3e53de86cb5f2c69e815b2763885e9baae3e444f6366db3b53a812e3bee9a309b5c842eaaebb61a59b7ea436f28231fd57a95c9390a6106bc87cd

Download Submit
memory/2556-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-16-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download
memory/2556-18-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download
memory/2668-13-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download
memory/2668-19-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download
memory/2668-9-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download
memory/2668-11-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download
memory/2668-10-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download
memory/2668-34-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download
memory/3028-0-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download
memory/3028-3-0x0000000000401000-0x00000000004B9000-memory.dmp

Filesize
736KB

Download
memory/3028-1-0x0000000000840000-0x000000000093D000-memory.dmp

Filesize
1012KB

Download
memory/3028-6-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download
memory/3028-2-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/3028-26-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/3028-31-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download
memory/3028-30-0x0000000000401000-0x00000000004B9000-memory.dmp

Filesize
736KB

Download
memory/3028-29-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download
memory/3028-32-0x0000000000401000-0x00000000004B9000-memory.dmp

Filesize
736KB

Download
memory/3028-7-0x0000000000400000-0x000000000061E000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads