92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312

General

Target
jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
Size 64KB
Sample260924-mczdeabb85
SHA256 92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312
MD5 abcca4aa26250456dbd021b2b5c7f75a
SHA1 0b4201fa38fb8265147a1e61e9fabecd02b97a57
SHA512 b597c99b89cd532a2ce68acd2d8066f06b843df9bb69d782d1bbda818c0aca40f511d2cba28ff73463fb1255854e949a3b44ecab7391bb2b33b0840d97e39730
SSDEEP 1536:qqta86vw/4dx5AD3svz89Xv87ue3WF3UoE:qqwIUMTsC/ze3G3UoE
TLSH
T136537C06D2C34457DC64C87810D99FB9842225F266B54EFEAFD29FF9282E01DDA372C6
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
5848	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
5848	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\midimap.dll	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
File created	C:\Windows\SysWOW64\dllcache\midimap.dll	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
File created	C:\Windows\SysWOW64\yumsimg32.dll	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
File created	C:\Windows\SysWOW64\sysapp2.dll	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
File created	C:\Windows\SysWOW64\yuksuser.dll	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
File created	C:\Windows\SysWOW64\ksuser.dll	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
File created	C:\Windows\SysWOW64\dllcache\ksuser.dll	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
File created	C:\Windows\SysWOW64\yumidimap.dll	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
File created	C:\Windows\SysWOW64\msimg32.dll	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
File created	C:\Windows\SysWOW64\dllcache\msimg32.dll	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe

Launches sc.exe 2 IoCs

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

pid	Process
3440	sc.exe
4728	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	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_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1344	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
1344	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
1344	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
1344	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
1344	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
1344	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1344	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 2800	1344	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe	89
PID 1344 wrote to memory of 4728	1344	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe	90
PID 1344 wrote to memory of 3440	1344	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe	91
PID 1344 wrote to memory of 5848	1344	jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe	95
PID 2800 wrote to memory of 4692	2800	net.exe	96

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.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:1344
- C:\Windows\SysWOW64\net.exe
  net stop cryptsvc
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop cryptsvc
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4692
- C:\Windows\SysWOW64\sc.exe
  sc config cryptsvc start= disabled
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4728
- C:\Windows\SysWOW64\sc.exe
  sc delete cryptsvc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3440
- C:\Windows\SysWOW64\rundll32.exe
  C:\Users\Admin\AppData\Local\Temp\1790245274.dat, ServerMain c:\users\admin\appdata\local\temp\jaffacakes118_92218f1408ee4a0bb583f616844c253d69b76300cdb57f2072268f3e4ea1f312.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:5848

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

1790245274.dat

Path C:\Users\Admin\AppData\Local\Temp\1790245274.dat
Size 34KB
SHA256 85a9c88a1fe307705376207e88781a714383a07bb780d404a6db195d3e00e875
MD5 4dbc7372da885f29863157c3ab194132
SHA1 1d5210d43d3c3311b246a0530d49fa01eb2af6d9
SHA512 43ffd27b2375a7bc346d2e7beb458f654895134aa410edaf1d35a0e3b4ad4f265e4adba3435130c464a11c93248f03966add6fbd9ffaa0c888887c2948533afe
SSDEEP 768:Y8Q1RVTl4nbSupYrN77jOpX7hOOJpZ2ROtXqknY:5Q1RVTlqSug7jOpLln2RONqkY
TLSH
T1B3F24B133A468462E38B423439660FA98BFDBD300E465566F7227B8B1DB45C3DA3B603
MD5 SHA1 SHA512 SSDEEP TLSH

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