d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e

General

Target
jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
Size 64KB
Sample261002-g45fvast3q
SHA256 d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e
MD5 a91eaa9e59bb3cf3fe93caa54edb18bc
SHA1 9383902bc902c77786280d43015a66004abcf262
SHA512 d75c30f36546e47a25f96a96f19a7e214d9241380bd5eebf2ed0151e91c10860e383abdcec683cc707e6fb9c07a1735473f2bec9af033289dd8988c22b90608f
SSDEEP 768:uUkWC2pNVrd5GFN8fvIrjuHKfcEArpDtEJdah1LXcIR8qIzZOAboLu:u/2nVEifgv0xKavLsIhotoLu
TLSH
T11D536A8EA689CDD2DE1795B046638674C1B3714702D568AADECCCCDC8B3AD117E34ECA
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
3688	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
3688	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 10 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\yuksuser.dll	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
File created	C:\Windows\SysWOW64\dllcache\ksuser.dll	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
File created	C:\Windows\SysWOW64\yumidimap.dll	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
File created	C:\Windows\SysWOW64\midimap.dll	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
File created	C:\Windows\SysWOW64\yumsimg32.dll	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
File created	C:\Windows\SysWOW64\msimg32.dll	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
File created	C:\Windows\SysWOW64\dllcache\msimg32.dll	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
File created	C:\Windows\SysWOW64\sysapp30.dll	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
File created	C:\Windows\SysWOW64\ksuser.dll	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
File created	C:\Windows\SysWOW64\dllcache\midimap.dll	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe

Launches sc.exe 2 IoCs

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

pid	Process
4852	sc.exe
2212	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_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.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	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5900	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
5900	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
5900	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
5900	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
5900	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
5900	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5900	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5900 wrote to memory of 1592	5900	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe	89
PID 5900 wrote to memory of 2212	5900	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe	90
PID 5900 wrote to memory of 4852	5900	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe	91
PID 5900 wrote to memory of 3688	5900	jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe	93
PID 1592 wrote to memory of 4812	1592	net.exe	96

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.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:5900
- C:\Windows\SysWOW64\net.exe
  net stop cryptsvc
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1592
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop cryptsvc
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4812
- C:\Windows\SysWOW64\sc.exe
  sc config cryptsvc start= disabled
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2212
- C:\Windows\SysWOW64\sc.exe
  sc delete cryptsvc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4852
- C:\Windows\SysWOW64\rundll32.exe
  C:\Users\Admin\AppData\Local\Temp\1790922206.dat, ServerMain c:\users\admin\appdata\local\temp\jaffacakes118_d85ae2d416a12a2fadd29a9da2ef8a2de06a7609760e55e3b53dc67b6d532a8e.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3688

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

1790922206.dat

Path C:\Users\Admin\AppData\Local\Temp\1790922206.dat
Size 33KB
SHA256 3b78df1ecd87bb3109ad8041edf9e7fcb11c823145c3fbbbd6b870f99ccbfad3
MD5 6ae03cde308c8c818de912c14e49df11
SHA1 bb0d76e2e66a8bc239f7759d9b3d3ec068f71529
SHA512 1d7cb2b968ad044d2f2227bbcff7e77e80a5403f9e7786f343283a00596ad8adb5fae0e216c22072441892e58cc3a1dfefa70c708b1e2b659aa44eb3fc82d4e8
SSDEEP 768:hxV8dOdHLnp+O0heuz3uX7QWg6GqOvIRWWLJ:hH8dOtLpH2Dzk7QWgEHRWWLJ
TLSH
T10EE25C127A078972D2D3823076541BB69FFC68701E0711AAEB73C75B5DB14C7DA7A207
MD5 SHA1 SHA512 SSDEEP TLSH

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