33aa56d6ae850e551f45e4f5d2db217935c807f4d5bcda78d4d651210e6525ca

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2024, 02:51

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General

Target

ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe
Size

32KB
MD5

ecb292ff0547fc44a0984ea0a8e32b59
SHA1

1ec8bfdb056e1fdb36acd83db765565aa75123b0
SHA256

33aa56d6ae850e551f45e4f5d2db217935c807f4d5bcda78d4d651210e6525ca
SHA512

a5830c065468e8782b8a0444569df98cb21dd51b893af76d2163ac3cea840943ff1493727adcfc7b33f9f4f52a25c69c07ba881d25bd3fea5c5390884d6e70fb
SSDEEP

384:XdFKhMjstW2OlSvdgf0ScYrm8HAD0I6baD3W4qhzEc:qOHpv1VgD0Iag7t

Score

10^/10

discovery evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 3 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PCMonitor = "C:\\Windows\\csrrs.exe"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PCMonitor = "C:\\Windows\\csrrs.exe"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PCMonitor = "C:\\Windows\\csrrs.exe"	reg.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\csrrs.exe	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe
File opened for modification	C:\Windows\csrrs.exe	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 13 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry

T1112

pid	Process
1836	reg.exe
3608	reg.exe
2392	reg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 4572	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	91
PID 880 wrote to memory of 4572	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	91
PID 880 wrote to memory of 4572	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	91
PID 880 wrote to memory of 4672	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	92
PID 880 wrote to memory of 4672	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	92
PID 880 wrote to memory of 4672	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	92
PID 4572 wrote to memory of 3620	4572	cmd.exe	95
PID 4572 wrote to memory of 3620	4572	cmd.exe	95
PID 4572 wrote to memory of 3620	4572	cmd.exe	95
PID 4672 wrote to memory of 3608	4672	cmd.exe	96
PID 4672 wrote to memory of 3608	4672	cmd.exe	96
PID 4672 wrote to memory of 3608	4672	cmd.exe	96
PID 880 wrote to memory of 3064	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	97
PID 880 wrote to memory of 3064	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	97
PID 880 wrote to memory of 3064	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	97
PID 880 wrote to memory of 2456	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	98
PID 880 wrote to memory of 2456	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	98
PID 880 wrote to memory of 2456	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	98
PID 2456 wrote to memory of 2392	2456	cmd.exe	102
PID 2456 wrote to memory of 2392	2456	cmd.exe	102
PID 2456 wrote to memory of 2392	2456	cmd.exe	102
PID 3064 wrote to memory of 4432	3064	cmd.exe	101
PID 3064 wrote to memory of 4432	3064	cmd.exe	101
PID 3064 wrote to memory of 4432	3064	cmd.exe	101
PID 880 wrote to memory of 1308	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	103
PID 880 wrote to memory of 1308	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	103
PID 880 wrote to memory of 1308	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	103
PID 880 wrote to memory of 3896	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	104
PID 880 wrote to memory of 3896	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	104
PID 880 wrote to memory of 3896	880	ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe	104
PID 1308 wrote to memory of 2196	1308	cmd.exe	107
PID 1308 wrote to memory of 2196	1308	cmd.exe	107
PID 1308 wrote to memory of 2196	1308	cmd.exe	107
PID 3896 wrote to memory of 1836	3896	cmd.exe	108
PID 3896 wrote to memory of 1836	3896	cmd.exe	108
PID 3896 wrote to memory of 1836	3896	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ecb292ff0547fc44a0984ea0a8e32b59_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:880
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ /v PCMonitor /t REG_SZ /d C:\Windows\csrrs.exe /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4572
- - C:\Windows\SysWOW64\reg.exe
    reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ /v PCMonitor /t REG_SZ /d C:\Windows\csrrs.exe /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:3620
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4672
- - C:\Windows\SysWOW64\reg.exe
    reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
    3⤵
    - UAC bypass
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:3608
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ /v PCMonitor /t REG_SZ /d C:\Windows\csrrs.exe /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Windows\SysWOW64\reg.exe
    reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ /v PCMonitor /t REG_SZ /d C:\Windows\csrrs.exe /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:4432
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\reg.exe
    reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
    3⤵
    - UAC bypass
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:2392
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ /v PCMonitor /t REG_SZ /d C:\Windows\csrrs.exe /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1308
- - C:\Windows\SysWOW64\reg.exe
    reg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ /v PCMonitor /t REG_SZ /d C:\Windows\csrrs.exe /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2196
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3896
- - C:\Windows\SysWOW64\reg.exe
    reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
    3⤵
    - UAC bypass
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:1836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\System32\drivers\etc\hosts

Filesize
2B

MD5
81051bcc2cf1bedf378224b0a93e2877

SHA1
ba8ab5a0280b953aa97435ff8946cbcbb2755a27

SHA256
7eb70257593da06f682a3ddda54a9d260d4fc514f645237f5ca74b08f8da61a6

SHA512
1b302a2f1e624a5fb5ad94ddc4e5f8bfd74d26fa37512d0e5face303d8c40eee0d0ffa3649f5da43f439914d128166cb6c4774a7caa3b174d7535451eb697b5d

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C:\Windows\csrrs.exe

Filesize
32KB

MD5
ecb292ff0547fc44a0984ea0a8e32b59

SHA1
1ec8bfdb056e1fdb36acd83db765565aa75123b0

SHA256
33aa56d6ae850e551f45e4f5d2db217935c807f4d5bcda78d4d651210e6525ca

SHA512
a5830c065468e8782b8a0444569df98cb21dd51b893af76d2163ac3cea840943ff1493727adcfc7b33f9f4f52a25c69c07ba881d25bd3fea5c5390884d6e70fb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads