1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155

General

Target
jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
Size 64KB
Sample260925-2wlc8a1wg1
SHA256 1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155
MD5 a86ce259c5fc3cf0bdadccfae59dcd5b
SHA1 259400d939bd0c980f439b19c0ab8c90fc572232
SHA512 dab52e143e3f647174f4d029ed4d57052056e8179983458cec8e527b3ad27f4cad9b5644366573069c8ca416bbbbeeb6e52021f4c02fd2f3aa7fa6b0c7e09e6f
SSDEEP 1536:rUTC5hxGBMCFnmDV67GtTn0b4/ebdauqI0XEIw:rUTCYpq67gpmf0XEIw
TLSH
T1C5539D46E1C74493CA95CD3C02E28BB8442664E629724EFD5FD88FF8782E16DD4372CA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
3348	rundll32.exe

Disables service(s) 3 TTPs
defense_evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002

Loads dropped DLL 1 IoCs

pid	Process
3348	rundll32.exe

Stops running service(s) 4 TTPs
defense_evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Drops file in System32 directory 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\YUmidimap.dll	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
File created	C:\Windows\SysWOW64\midimap.dll	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
File created	C:\Windows\SysWOW64\dllcache\midimap.dll	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
File created	C:\Windows\SysWOW64\sysapp31.dll	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
File created	C:\Windows\SysWOW64\YUksuser.dll	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
File created	C:\Windows\SysWOW64\ksuser.dll	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
File created	C:\Windows\SysWOW64\dllcache\ksuser.dll	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4116	sc.exe
3420	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4612	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
4612	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
4612	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
4612	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
4612	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
4612	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4612	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 5044	4612	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe	89
PID 4612 wrote to memory of 3420	4612	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe	90
PID 4612 wrote to memory of 4116	4612	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe	91
PID 4612 wrote to memory of 3348	4612	jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe	92
PID 5044 wrote to memory of 4280	5044	net.exe	96

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Windows\SysWOW64\net.exe
  net stop cryptsvc
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5044
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop cryptsvc
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4280
- C:\Windows\SysWOW64\sc.exe
  sc config cryptsvc start= disabled
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3420
- C:\Windows\SysWOW64\sc.exe
  sc delete cryptsvc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4116
- C:\Windows\SysWOW64\rundll32.exe
  C:\Users\Admin\AppData\Local\Temp\1790376960.dat, ServerMain c:\users\admin\appdata\local\temp\jaffacakes118_1cc02ac820d4e6b29a795191137e3c1669ee124c978b1b8c0ce5a03083f50155.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3348

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

System Services

2

T1569

Service Execution

2

T1569.002

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

2

T1489

Replay Monitor

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Downloads

1790376960.dat

Path C:\Users\Admin\AppData\Local\Temp\1790376960.dat
Size 32KB
SHA256 d3ca616ce766717923f0e98d9721548affcb35eb50b215be846eeb4edb720eb7
MD5 ef0f4ff596271ecb0ed146054769eba6
SHA1 b0d6da41ed5967d5af6524bb2f271aa262e2cfa9
SHA512 92e95d90a056e3ae5bfaebbe4f01017ad31ef5d38e98e526735322333dd2aad36efff5dacc442f0e9451c4c10107060ca3947d09ca29aeeb036257859d9ea76d
SSDEEP 768:GqnOeTNYmNXW/t8/lo7tRypE5hqD5SROde:GqnOerUt8a7tRQakgROY
TLSH
T140E26A637A5784A3E3DB4230B9062F7EDBBCA9304A469556D76347CA1CB02C3EA35347
MD5 SHA1 SHA512 SSDEEP TLSH

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