109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2

General

Target
jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
Size 64KB
Sample260924-mghapabc68
SHA256 109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2
MD5 b99363ba47c6ec4bee31f71667ed980a
SHA1 28e13b563663d10fc2eeb428d233717a8fa09da3
SHA512 8ac863cedb943cbd888672dbd80dff8cf937e54df1a9a7ea5ac3c88c6e2745155bff7beb7daa89bcd5157b874cad8787aad811b89fdeb1086c584d2fb1e5b1c0
SSDEEP 768:aenNR8Sn+ld5GFJlVvRsEfnYS2x8a0TE7yYLhUIOskLV3jtv3q+xDnsK3kBBR:aMPZJpfg0w7yLwOOKov
TLSH
T15053375682CBC9B5FCD43C301267D17BB172BD8326F5A9AB9603FCC8187A115B235E86
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
4116	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
4116	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_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
File created	C:\Windows\SysWOW64\ksuser.dll	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
File created	C:\Windows\SysWOW64\yumidimap.dll	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
File created	C:\Windows\SysWOW64\yumsimg32.dll	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
File created	C:\Windows\SysWOW64\msimg32.dll	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
File created	C:\Windows\SysWOW64\dllcache\msimg32.dll	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
File created	C:\Windows\SysWOW64\sysapp9.dll	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
File created	C:\Windows\SysWOW64\dllcache\ksuser.dll	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
File created	C:\Windows\SysWOW64\midimap.dll	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
File created	C:\Windows\SysWOW64\dllcache\midimap.dll	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe

Launches sc.exe 2 IoCs

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

pid	Process
4640	sc.exe
5032	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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.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

Runs net.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
6068	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
6068	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
6068	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
6068	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
6068	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
6068	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
6068	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 6068 wrote to memory of 4652	6068	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe	89
PID 6068 wrote to memory of 5032	6068	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe	90
PID 6068 wrote to memory of 4640	6068	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe	91
PID 6068 wrote to memory of 4116	6068	jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe	92
PID 4652 wrote to memory of 5304	4652	net.exe	96

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.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:6068
- C:\Windows\SysWOW64\net.exe
  net stop cryptsvc
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4652
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop cryptsvc
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5304
- C:\Windows\SysWOW64\sc.exe
  sc config cryptsvc start= disabled
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5032
- C:\Windows\SysWOW64\sc.exe
  sc delete cryptsvc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4640
- C:\Windows\SysWOW64\rundll32.exe
  C:\Users\Admin\AppData\Local\Temp\1790245586.dat, ServerMain c:\users\admin\appdata\local\temp\jaffacakes118_109a1bcb168a7b74d008874abfa4c6251d05c3d9afe3ee645cc6d2903aac06f2.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4116

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

1790245586.dat

Path C:\Users\Admin\AppData\Local\Temp\1790245586.dat
Size 34KB
SHA256 0816eb30f7fa65161c9aa2021632a9ce740d5e6a54df8f926fd34af131757b7b
MD5 e0abb76668805b2f082e2ea434a2dab8
SHA1 81e293d633c377032ea1eabafd66848e6511c621
SHA512 1f09f77815eb82f4eb3ea0eb2a75eb8cfcbbf9108d72a1faacd83941e74ba767dfcd39ba8c4b9dce182521d9122be8bc7459937ad4d8932544d0cfb8813e33cf
SSDEEP 768:rqCM7tWeKCJfaEtOexFjAOll7wzxOSO1m2OMjRGm5:rqR7OotOe3MOf7wzxoRRB
TLSH
T112F27C56BA4785B3E1E342307A912BB68BF828341E0751E9DB73CB8B1D701C7DA39207
MD5 SHA1 SHA512 SSDEEP TLSH

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