51a387a9fb507fe9d4d2663ddc3999f819e2e45697c162f84f7239cf65c4442d

General

Target

8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
Size

37KB
MD5

8b4f30b263c8687cf1bb835a74cca6a2
SHA1

151028fa1d143b58ad3b973eacecaaf71287b181
SHA256

51a387a9fb507fe9d4d2663ddc3999f819e2e45697c162f84f7239cf65c4442d
SHA512

03a70916e4b073553a763a90c9b6245c0a9d7e2bf6535d21feaf34646f72e45f6ef918cb9b59542e7aad1571a258e71584c71dd12520db9315d8f58a9c9c4f3e
SSDEEP

768:5EQU6UAfq0Ja5x1u1tAGEUPHksGA0CjZdQxbha5m:6lFAi0JKx1fEPEs70oA

Score

10^/10

aspackv2 discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\SysWOW64\\dllcache\\wgatrayes.exe,"	wgatrayes.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0009000000023409-5.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	wgatrayes.exe

Executes dropped EXE 1 IoCs

pid	Process
1612	wgatrayes.exe

Network Share Discovery 1 TTPs
Attempt to gather information on host network.
discovery

Network Share Discovery
T1135

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\dllcache\wgatrayes.exe	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\dllcache\wgatrayes.exe	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\dllcache\wgatrayes.exe	wgatrayes.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\3721.exe	wgatrayes.exe
File opened for modification	C:\Program Files\yahoo.exe	wgatrayes.exe
File opened for modification	C:\Program Files\3721_.exe	wgatrayes.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wgatrayes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
Token: SeDebugPrivilege	1612	wgatrayes.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe
1612	wgatrayes.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
1612	wgatrayes.exe
1612	wgatrayes.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 3868	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3868	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe	85
PID 3648 wrote to memory of 3868	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe	85
PID 3648 wrote to memory of 1612	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe	87
PID 3648 wrote to memory of 1612	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe	87
PID 3648 wrote to memory of 1612	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe	87
PID 3648 wrote to memory of 4244	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe	88
PID 3648 wrote to memory of 4244	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe	88
PID 3648 wrote to memory of 4244	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe	88
PID 3648 wrote to memory of 4952	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe	89
PID 3648 wrote to memory of 4952	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe	89
PID 3648 wrote to memory of 4952	3648	8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe	89
PID 1612 wrote to memory of 1144	1612	wgatrayes.exe	90
PID 1612 wrote to memory of 1144	1612	wgatrayes.exe	90
PID 1612 wrote to memory of 1144	1612	wgatrayes.exe	90

C:\Users\Admin\AppData\Local\Temp\8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8b4f30b263c8687cf1bb835a74cca6a2_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3648
- C:\Windows\SysWOW64\net1.exe
  "C:\Windows\System32\net1.exe" start sharedaccess
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3868
- C:\Windows\SysWOW64\dllcache\wgatrayes.exe
  "C:\Windows\system32\dllcache\wgatrayes.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1612
- - C:\Windows\SysWOW64\net1.exe
    "C:\Windows\System32\net1.exe" start sharedaccess
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1144
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\8B4F30~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4244
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\8B4F30~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Network Share Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\dllcache\wgatrayes.exe

Filesize
37KB

MD5
8b4f30b263c8687cf1bb835a74cca6a2

SHA1
151028fa1d143b58ad3b973eacecaaf71287b181

SHA256
51a387a9fb507fe9d4d2663ddc3999f819e2e45697c162f84f7239cf65c4442d

SHA512
03a70916e4b073553a763a90c9b6245c0a9d7e2bf6535d21feaf34646f72e45f6ef918cb9b59542e7aad1571a258e71584c71dd12520db9315d8f58a9c9c4f3e

Download Submit
memory/1612-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1612-26-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3648-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3648-15-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads