dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359

General

Target
jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
Size 64KB
Sample260924-mc7d1sbb92
SHA256 dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359
MD5 408e028b7078b9d2843d467e5388dbe2
SHA1 0cca1a6d6d256fb55ba869674de6d3ec60f57acd
SHA512 e06822543d8fa6b569fdaceda50d72088a99cce210460d7095b93dc0516c47e3de94f94fddd405fedf0eaf6ffe2bf64987f35d4ec480be2a4d59b355735529e2
SSDEEP 768:UEObmbRNidpd5GFC8eJhYtMJ6lzqtt/8yGHYKP4ehdfcsQq8bcBnFwOJR89:7bFNCaC8Ht1Rqz0hESfcsD8bcBFRR89
TLSH
T15E53AD4AD6C70462DC50C93801E21EB6452665F222B52EFE8FC18FF9342E59DD53B1DA
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
2864	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
2864	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 11 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dllcache\midimap.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Windows\SysWOW64\yumsimg32.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Windows\SysWOW64\dllcache\msimg32.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Windows\SysWOW64\yuksuser.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Windows\SysWOW64\ksuser.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Windows\SysWOW64\yumidimap.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Windows\SysWOW64\midimap.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Windows\SysWOW64\msimg32.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Windows\SysWOW64\sysapp8.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File opened for modification	C:\Windows\SysWOW64\yuksuser.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Windows\SysWOW64\dllcache\ksuser.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\midimap.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Program Files\360\360se3\ksuser.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Program Files\360\360se3\midimap.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Program Files\SogouExplorer\ksuser.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Program Files\SogouExplorer\midimap.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Program Files\SogouExplorer\msimg32.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Program Files\Internet Explorer\ksuser.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Program Files\Internet Explorer\msimg32.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
File created	C:\Program Files\360\360se3\msimg32.dll	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe

Launches sc.exe 2 IoCs

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

pid	Process
1964	sc.exe
916	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 2988	1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe	85
PID 1980 wrote to memory of 916	1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe	86
PID 1980 wrote to memory of 1964	1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe	87
PID 1980 wrote to memory of 2864	1980	jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe	91
PID 2988 wrote to memory of 4364	2988	net.exe	92

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Windows\SysWOW64\net.exe
  net stop cryptsvc
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop cryptsvc
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4364
- C:\Windows\SysWOW64\sc.exe
  sc config cryptsvc start= disabled
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:916
- C:\Windows\SysWOW64\sc.exe
  sc delete cryptsvc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1964
- C:\Windows\SysWOW64\rundll32.exe
  C:\Users\Admin\AppData\Local\Temp\1790245283.dat, ServerMain c:\users\admin\appdata\local\temp\jaffacakes118_dbbb6f43ce191dfa812e1577b745f70c08b5e97bba7b9a17f83e93288aa11359.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2864

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

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Downloads

1790245283.dat

Path C:\Users\Admin\AppData\Local\Temp\1790245283.dat
Size 34KB
SHA256 2d00f20db8dd6bfec2a7730dbd970a03e8652bd618e11be1e6e9c455d202ec16
MD5 dd4a6c30fa9d56db6180a256e4122674
SHA1 f5c1bcd2244d29cb19dd42a8042316f332e20a47
SHA512 d529972a331e41f14188eeaa65bc408a0cf783a29938fd68ffd74459be83b262997f0e4625a10f2cd69fa260d5deca059d5e7cb78987cf75e80169b856e52a8e
SSDEEP 768:8alxmyDETt3qBTZkDsT7LlM7F7K1NSOl5RcanO:9jvDETt32KDsTHi7F7KmURXO
TLSH
T19AF27D137B4385B2E2D3823032512FB5DBF828310F0751A5DB72879A2DB95C6DE7A207
MD5 SHA1 SHA512 SSDEEP TLSH

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