13217159fd17b62dafa53c322055565824ffd91aa8846580440c4067d561423b

General

Target

17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe
Size

460KB
MD5

17c3b0933b8584795b821ab7243b08a7
SHA1

931cf5a4bcc671b8a97eabe1bcbb293a0a2a1b7e
SHA256

13217159fd17b62dafa53c322055565824ffd91aa8846580440c4067d561423b
SHA512

92bfd3aba4e71de567a91875f7ddb99ece97a1ec83351814eb86acc5d0641cdb47acd912093b3ca7c65acaf48382f5436ee6b7b4f0364a1e274cad7601ac5ed5
SSDEEP

12288:Y8cw2k37YxHGiA6OZO//01SLNn9zo1kZ6xYANsl38c/qfQcL:/vsxmd4/aSRn+1v2l38cCx

Score

10^/10

aspackv2 persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 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\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe C:\\Windows\\system32\\fservice.exe"	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DirectX For Microsoft® Windows = "C:\\Windows\\system32\\fservice.exe"	services.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\	services.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5Y99AE78-58TT-11dW-BE53-Y67078979Y}\StubPath = "C:\\Windows\\system\\sservice.exe"	services.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000b000000023399-27.dat	aspack_v212_v242

Executes dropped EXE 2 IoCs

pid	Process
928	fservice.exe
1304	services.exe

Loads dropped DLL 3 IoCs

pid	Process
1304	services.exe
1304	services.exe
1304	services.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\	services.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winkey.dll	services.exe
File created	C:\Windows\SysWOW64\reginv.dll	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	services.exe
File created	C:\Windows\SysWOW64\fservice.exe	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\fservice.exe	fservice.exe
File opened for modification	C:\Windows\SysWOW64\fservice.exe	fservice.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	fservice.exe
File opened for modification	C:\Windows\services.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	fservice.exe
File opened for modification	C:\Windows\system\sservice.exe	fservice.exe
File created	C:\Windows\system\sservice.exe	services.exe
File created	C:\Windows\system\sservice.exe	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe
File opened for modification	C:\Windows\system\sservice.exe	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1304	services.exe
1304	services.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3468 wrote to memory of 928	3468	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe	95
PID 3468 wrote to memory of 928	3468	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe	95
PID 3468 wrote to memory of 928	3468	17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe	95
PID 928 wrote to memory of 1304	928	fservice.exe	98
PID 928 wrote to memory of 1304	928	fservice.exe	98
PID 928 wrote to memory of 1304	928	fservice.exe	98

C:\Users\Admin\AppData\Local\Temp\17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\17c3b0933b8584795b821ab7243b08a7_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3468
- C:\Windows\SysWOW64\fservice.exe
  C:\Windows\system32\fservice.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:928
- - C:\Windows\services.exe
    C:\Windows\services.exe -XP
    3⤵
    - Modifies WinLogon for persistence
    - Adds policy Run key to start application
    - Boot or Logon Autostart Execution: Active Setup
    - Executes dropped EXE
    - Loads dropped DLL
    - Modifies WinLogon
    - Drops file in System32 directory
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    PID:1304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

2

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

4

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

2

T1547.004

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\fservice.exe

Filesize
460KB

MD5
17c3b0933b8584795b821ab7243b08a7

SHA1
931cf5a4bcc671b8a97eabe1bcbb293a0a2a1b7e

SHA256
13217159fd17b62dafa53c322055565824ffd91aa8846580440c4067d561423b

SHA512
92bfd3aba4e71de567a91875f7ddb99ece97a1ec83351814eb86acc5d0641cdb47acd912093b3ca7c65acaf48382f5436ee6b7b4f0364a1e274cad7601ac5ed5

Download Submit
C:\Windows\SysWOW64\reginv.dll

Filesize
36KB

MD5
562e0d01d6571fa2251a1e9f54c6cc69

SHA1
83677ad3bc630aa6327253c7b3deffbd4a8ce905

SHA256
c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6

SHA512
166e132432eca24061f7e7d0c58c0b286e971ae2bc50f7c890b7707dd5dede19fcd83a5f79b6fd3f93dd691e07ad9bc1bd05fe82ccaade1610282188571585ea

Download Submit
C:\Windows\SysWOW64\winkey.dll

Filesize
13KB

MD5
b4c72da9fd1a0dcb0698b7da97daa0cd

SHA1
b25a79e8ea4c723c58caab83aed6ea48de7ed759

SHA256
45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f

SHA512
f5f184416c5381d275bc093c9275e9fdb35c58e2c401d188aef097950013de6e43269da5d4dd5e7baea34735bd7de664d15fe487b2292fd66926c9845b0cd066

Download Submit
memory/928-12-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/928-23-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/928-13-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/1304-22-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/1304-24-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/1304-25-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/1304-36-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1304-38-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/3468-11-0x0000000000401000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download
memory/3468-0-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/3468-10-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/3468-2-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/3468-1-0x0000000000401000-0x00000000005F8000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads