e60164d938a58fb1cb736cd395dfa9c7db0126d4f3c326c48fe47372c9151f41

General

Target

27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe
Size

132KB
MD5

27fcf2b5cea97e7f0b46efc56c4e51d3
SHA1

3ed676010997f7b0784c3969a5e625ab8460fecc
SHA256

e60164d938a58fb1cb736cd395dfa9c7db0126d4f3c326c48fe47372c9151f41
SHA512

ba81363c7db6a5e84745702c7cb11d2273aab352110e6a09c12ffa102b27f0f80e2170881cdc869e7c7d7d132999e540c98332317205e1edbdeed755849f6660
SSDEEP

1536:5TvlubSHe/jHLsh6LctKWH0gEtWTE/rli5Z1nWvjI4TWRtss+cfWAY+/Vb2XmzfH:5cbFvLctKWAW8AB8baRts4WNg2Xmav

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4404	taskhost.exe
3936	taskhost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Taskhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\taskhost.exe"	taskhost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4260 set thread context of 4004	4260	27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe	84
PID 4404 set thread context of 3936	4404	taskhost.exe	88

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4728	4260	WerFault.exe	82
4536	4404	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 4 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	27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskhost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 4004	4260	27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe	84
PID 4260 wrote to memory of 4004	4260	27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe	84
PID 4260 wrote to memory of 4004	4260	27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe	84
PID 4260 wrote to memory of 4004	4260	27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe	84
PID 4260 wrote to memory of 4004	4260	27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe	84
PID 4004 wrote to memory of 4404	4004	27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe	87
PID 4004 wrote to memory of 4404	4004	27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe	87
PID 4004 wrote to memory of 4404	4004	27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe	87
PID 4404 wrote to memory of 3936	4404	taskhost.exe	88
PID 4404 wrote to memory of 3936	4404	taskhost.exe	88
PID 4404 wrote to memory of 3936	4404	taskhost.exe	88
PID 4404 wrote to memory of 3936	4404	taskhost.exe	88
PID 4404 wrote to memory of 3936	4404	taskhost.exe	88

C:\Users\Admin\AppData\Local\Temp\27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Users\Admin\AppData\Local\Temp\27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\27fcf2b5cea97e7f0b46efc56c4e51d3_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4004
- - C:\Users\Admin\AppData\Roaming\Microsoft\taskhost.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\taskhost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4404
  - - C:\Users\Admin\AppData\Roaming\Microsoft\taskhost.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\taskhost.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:3936
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 256
      4⤵
      Program crash
      PID:4536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 304
  2⤵
  - Program crash
  PID:4728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4260 -ip 4260
1⤵
PID:3648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4404 -ip 4404
1⤵
PID:1876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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:\Users\Admin\AppData\Roaming\Microsoft\taskhost.exe

Filesize
132KB

MD5
2da321ee2d987b5219b158a60d299398

SHA1
cde2d2937299dc5c177b183bd5c531695f90c215

SHA256
e7d9b93225ad64f3381a8c9a8e55e163a4e5bcf2221335ddfccdc6eb7cea8a46

SHA512
c478bec8a77dc012c404056150f727f34d9d88d3734cad914419eb9895d9ba0443dee38f844cc98108a9bb167a01569c3d7dd9f9d13976c05d633979b43098b3

Download Submit
memory/3936-13-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3936-16-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3936-22-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3936-21-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3936-10-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3936-20-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3936-15-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3936-19-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3936-17-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3936-18-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4004-2-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4004-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4004-5-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4004-1-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads