b50f48dae2d38e8ebceaf67193264677e37263734a03632ac51c8e50f4bc06e3

General

Target

8495f179b7ef1be19104f81ecbcec94d_JaffaCakes118.dll
Size

133KB
MD5

8495f179b7ef1be19104f81ecbcec94d
SHA1

7459fe5875a169e19b7d4d2fd3a17e3cfbcf8d5f
SHA256

b50f48dae2d38e8ebceaf67193264677e37263734a03632ac51c8e50f4bc06e3
SHA512

b5db7365e92c92d7cf314d260950b288aad6faa30576c9369d654059ed7b81e8a01d699a2c2560f2ffd6542b2c5fde45228502781991b2218685bb70cd57bbad
SSDEEP

3072:I0wpqFegLt9a46GT40hAzJLv2jW//0Myx9yFr:I0RFegLtjMA2FvCW//0Dxo

Score

8^/10

discovery persistence

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\NSTOP\Parameters\ServiceDll = "C:\\Program Files (x86)\\Common Files\\System\\update.log"	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2904	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2680	svchost.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\System\update.log	rundll32.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\update.log	rundll32.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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2360	rundll32.exe
2680	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeCreateGlobalPrivilege	2360	rundll32.exe
Token: SeCreateGlobalPrivilege	2680	svchost.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2360	2356	rundll32.exe	30
PID 2356 wrote to memory of 2360	2356	rundll32.exe	30
PID 2356 wrote to memory of 2360	2356	rundll32.exe	30
PID 2356 wrote to memory of 2360	2356	rundll32.exe	30
PID 2356 wrote to memory of 2360	2356	rundll32.exe	30
PID 2356 wrote to memory of 2360	2356	rundll32.exe	30
PID 2356 wrote to memory of 2360	2356	rundll32.exe	30
PID 2360 wrote to memory of 2904	2360	rundll32.exe	32
PID 2360 wrote to memory of 2904	2360	rundll32.exe	32
PID 2360 wrote to memory of 2904	2360	rundll32.exe	32
PID 2360 wrote to memory of 2904	2360	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8495f179b7ef1be19104f81ecbcec94d_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8495f179b7ef1be19104f81ecbcec94d_JaffaCakes118.dll,#1
  2⤵
  - Server Software Component: Terminal Services DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\\259460207.BaT
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2904

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k NSTOP
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\259460207.BaT

Filesize
278B

MD5
d48fe6ded7e895559b191b6063a8ad27

SHA1
f734b85aadfc646b9f60709d5c496e5ef91423e4

SHA256
5022f7900c14fbc37332427726850ff9464522e964a797be1bc0068dd1f9717b

SHA512
8d9aa3daa297161b8d231eea5f68f9b413070aa285b72cd44a9c787da05ada9b2a255ea3e8ed7a4c9492ee0385de60ac4ba9da7972e08d8f2d1359ac0d7bf6fa

Download Submit
\??\c:\program files (x86)\common files\system\update.log

Filesize
133KB

MD5
8495f179b7ef1be19104f81ecbcec94d

SHA1
7459fe5875a169e19b7d4d2fd3a17e3cfbcf8d5f

SHA256
b50f48dae2d38e8ebceaf67193264677e37263734a03632ac51c8e50f4bc06e3

SHA512
b5db7365e92c92d7cf314d260950b288aad6faa30576c9369d654059ed7b81e8a01d699a2c2560f2ffd6542b2c5fde45228502781991b2218685bb70cd57bbad

Download Submit
memory/2360-0-0x0000000000130000-0x0000000000158000-memory.dmp

Filesize
160KB

Download
memory/2680-13-0x0000000000140000-0x0000000000168000-memory.dmp

Filesize
160KB

Download
memory/2680-15-0x0000000000140000-0x0000000000168000-memory.dmp

Filesize
160KB

Download
memory/2680-21-0x0000000000140000-0x0000000000168000-memory.dmp

Filesize
160KB

Download
memory/2680-27-0x0000000000140000-0x0000000000168000-memory.dmp

Filesize
160KB

Download

Analysis

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