bbbd59eb3d9b037b08de4dc5443161edb56c68a5ad6440271c9a2602a65fda19

Analysis

max time kernel
150s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2024, 10:43

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General

Target

e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.exe
Size

28KB
MD5

e7478542dd8cf781c8d3670d2fe9018d
SHA1

9fdd9950e455b76ba8ccbe88d84456a82beeea74
SHA256

bbbd59eb3d9b037b08de4dc5443161edb56c68a5ad6440271c9a2602a65fda19
SHA512

fd0c56ba3765afcae18e61ee55c6cd33f3771d835c2fd7f3709b0fa38bbf1e610e8ee48cb0db34b08bb4edb73a98db3a0e5b3e2aec979c6ec63dcc7cf4fca427
SSDEEP

384:NI6VddPhzsPZiXEcykSdPIhNeAIERfkblKfD30Sqai:xF6gEcqwjtIERfkBKrjB

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.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\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	e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.exe
File opened for modification	C:\Windows\csrrs.exe	e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2024	reg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4488	e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 2448	4488	e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.exe	98
PID 4488 wrote to memory of 2448	4488	e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.exe	98
PID 4488 wrote to memory of 2448	4488	e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.exe	98
PID 4488 wrote to memory of 1088	4488	e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.exe	99
PID 4488 wrote to memory of 1088	4488	e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.exe	99
PID 4488 wrote to memory of 1088	4488	e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.exe	99
PID 1088 wrote to memory of 2024	1088	cmd.exe	102
PID 1088 wrote to memory of 2024	1088	cmd.exe	102
PID 1088 wrote to memory of 2024	1088	cmd.exe	102
PID 2448 wrote to memory of 1540	2448	cmd.exe	103
PID 2448 wrote to memory of 1540	2448	cmd.exe	103
PID 2448 wrote to memory of 1540	2448	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e7478542dd8cf781c8d3670d2fe9018d_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4488
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:2448
- - 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
    PID:1540
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:1088
- - 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
    - Modifies registry key
    PID:2024

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

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
28KB

MD5
e7478542dd8cf781c8d3670d2fe9018d

SHA1
9fdd9950e455b76ba8ccbe88d84456a82beeea74

SHA256
bbbd59eb3d9b037b08de4dc5443161edb56c68a5ad6440271c9a2602a65fda19

SHA512
fd0c56ba3765afcae18e61ee55c6cd33f3771d835c2fd7f3709b0fa38bbf1e610e8ee48cb0db34b08bb4edb73a98db3a0e5b3e2aec979c6ec63dcc7cf4fca427

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads