b3433bfa474d012c61927e7ed40972286953e60b80fffa7636b4229ca6866fa3

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
27/06/2024, 07:13

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General

Target

151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe
Size

4KB
MD5

151bfc12370a456fb53559a5ed023300
SHA1

42341c77b106a984bc12b5b94e2c1e540bfcf6ca
SHA256

b3433bfa474d012c61927e7ed40972286953e60b80fffa7636b4229ca6866fa3
SHA512

65513a4d02a49b0563aa8c321b4ada4dcce5d2f6a3b4ac145a296e18b99e7c1b0fef53e1d4b0093663479c7ba4555a95dc7db9c4fec135fa961c4b92bb934045
SSDEEP

96:O/4z9ZzuPxslRxD9VsQHldgOkID5EDlyTUoyn:GEpZFRD+sTUoyn

Score

10^/10

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\\system32\\360ray.exe,"	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe

Kills process with taskkill 4 IoCs

evasion

pid	Process
1004	taskkill.exe
3984	taskkill.exe
2128	taskkill.exe
4072	taskkill.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe
Token: SeDebugPrivilege	4072	taskkill.exe
Token: SeDebugPrivilege	1004	taskkill.exe
Token: SeDebugPrivilege	2128	taskkill.exe
Token: SeDebugPrivilege	3984	taskkill.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 4808	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	83
PID 1596 wrote to memory of 4808	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	83
PID 1596 wrote to memory of 4808	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	83
PID 1596 wrote to memory of 4120	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	84
PID 1596 wrote to memory of 4120	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	84
PID 1596 wrote to memory of 4120	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	84
PID 1596 wrote to memory of 4364	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	85
PID 1596 wrote to memory of 4364	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	85
PID 1596 wrote to memory of 4364	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	85
PID 1596 wrote to memory of 1064	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	86
PID 1596 wrote to memory of 1064	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	86
PID 1596 wrote to memory of 1064	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	86
PID 1596 wrote to memory of 3048	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	87
PID 1596 wrote to memory of 3048	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	87
PID 1596 wrote to memory of 3048	1596	151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe	87
PID 4120 wrote to memory of 1004	4120	cmd.exe	92
PID 4120 wrote to memory of 1004	4120	cmd.exe	92
PID 4120 wrote to memory of 1004	4120	cmd.exe	92
PID 4364 wrote to memory of 3984	4364	cmd.exe	93
PID 4364 wrote to memory of 3984	4364	cmd.exe	93
PID 4364 wrote to memory of 3984	4364	cmd.exe	93
PID 1064 wrote to memory of 2128	1064	cmd.exe	94
PID 1064 wrote to memory of 2128	1064	cmd.exe	94
PID 1064 wrote to memory of 2128	1064	cmd.exe	94
PID 4808 wrote to memory of 4072	4808	cmd.exe	95
PID 4808 wrote to memory of 4072	4808	cmd.exe	95
PID 4808 wrote to memory of 4072	4808	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\151bfc12370a456fb53559a5ed023300_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c taskkill /f /im rfwmain.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4808
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im rfwmain.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4072
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c taskkill /f /im rfwsrv.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4120
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im rfwsrv.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1004
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c taskkill /f /im rfwstub.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4364
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im rfwstub.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3984
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c taskkill /f /im rfwproxy.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1064
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im rfwproxy.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2128
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\151BFC~1.EXE > nul
  2⤵
  PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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