c4e4c92c95c9655a8473627d06696463824feb7e7eb956b772f597ede4a29e0e

Analysis

max time kernel
94s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 00:12

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General

Target

2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe
Size

98KB
MD5

2e54cc4048d90189f67eb165881b9078
SHA1

ec661d97867d039cf2caf438e9bdcbce5ebf215d
SHA256

c4e4c92c95c9655a8473627d06696463824feb7e7eb956b772f597ede4a29e0e
SHA512

65bb3cd0329bc650deade336a53c4f2ac318245915614aa7da82d40aa0580252b9642aae6fc28c0c6d0f564eb8fbf86e6ed7c090190eacb032bb2a260734428e
SSDEEP

3072:FyXZfJF4pwOe9Pnc+m/ehnS6eNi1vCJwnkUc:F+JF4pwOmhhS6Fnk

Score

8^/10

persistence upx

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 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\{2bf41070-b2b1-21d1-b5c1-0305f4055515}	svcr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2bf41070-b2b1-21d1-b5c1-0305f4055515}\StubPath = "C:\\windows\\svcr.exe"	svcr.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2bf41070-b2b1-21d1-b5c1-0305f4055515}	svcr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2bf41070-b2b1-21d1-b5c1-0305f4055515}\StubPath = "C:\\windows\\svcr.exe"	svcr.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-587429654-1855694383-2268796072-1000\Control Panel\International\Geo\Nation	clb_injector.exe
Key value queried	\REGISTRY\USER\S-1-5-21-587429654-1855694383-2268796072-1000\Control Panel\International\Geo\Nation	svcrupd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-587429654-1855694383-2268796072-1000\Control Panel\International\Geo\Nation	2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe

Executes dropped EXE 4 IoCs

pid	Process
912	svcr.exe
768	clb_injector.exe
3716	svcrupd.exe
2496	svcr.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4436-0-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral2/memory/4436-28-0x0000000000400000-0x0000000000461000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\system = "C:\\Windows\\svcr.exe"	svcrupd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-587429654-1855694383-2268796072-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\svcr.exe"	svcrupd.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\svcr.exe	2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe
File created	C:\Windows\clb_injector.exe	2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe
File created	C:\Windows\svcr.exe	clb_injector.exe
File created	C:\Windows\svcrupd.exe	clb_injector.exe
File opened for modification	C:\Windows\svcr.exe	svcrupd.exe
File created	C:\Windows\svcr.exe	svcrupd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
912	svcr.exe
912	svcr.exe
3716	svcrupd.exe
3716	svcrupd.exe
2496	svcr.exe
2496	svcr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	912	svcr.exe
Token: SeDebugPrivilege	2496	svcr.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 912	4436	2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe	83
PID 4436 wrote to memory of 912	4436	2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe	83
PID 4436 wrote to memory of 912	4436	2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe	83
PID 4436 wrote to memory of 768	4436	2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe	84
PID 4436 wrote to memory of 768	4436	2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe	84
PID 4436 wrote to memory of 768	4436	2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe	84
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56
PID 912 wrote to memory of 3540	912	svcr.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3540
- C:\Users\Admin\AppData\Local\Temp\2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2e54cc4048d90189f67eb165881b9078_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:4436
- - C:\Windows\svcr.exe
    "C:\Windows\svcr.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:912
- - C:\Windows\clb_injector.exe
    "C:\Windows\clb_injector.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:768
  - - C:\Windows\svcrupd.exe
      "C:\Windows\svcrupd.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      PID:3716
    - - C:\Windows\svcr.exe
        
        "C:\Windows\svcr.exe" "C:\Windows\svcrupd.exe"
        5⤵
        Boot or Logon Autostart Execution: Active Setup
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\clb_injector.exe

Filesize
153KB

MD5
94c7acc59d8965d53f427f9ab9cad052

SHA1
9812a93676232d07638bcbab87694294c2e55ade

SHA256
797b0dfbbd2fcf0b621c576647bd4c2396352ec5baab261f3c409d75fca14341

SHA512
dccb40b90e7d16865228575a4747ba1946fb30226cad63b9bcb388bdb526d64b965d2e4698ecef83d241519a9fd8effff6d176139ec4a6185f967f557bf1547d

Download Submit
C:\Windows\svcr.exe

Filesize
134KB

MD5
854db12fdc28dfe712aa9005f8039341

SHA1
9d0ee1d9e3d35a0bf607efa172de155202ef9404

SHA256
c31cd269c069f2ec235e979175e6f24af0fa44ba4bdbea1a938ee4a52ec4258d

SHA512
3ee61806ca88ef720604e5985c3d52c43770b5a75b7a833102176ff1f79753b12547368f888b62d8599673058c007f143ffcd3eda0d8c841227eeaf49276444c

Download Submit
memory/768-36-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/912-25-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/912-15-0x0000000010410000-0x000000001042E000-memory.dmp

Filesize
120KB

Download
memory/2496-46-0x0000000010430000-0x000000001044E000-memory.dmp

Filesize
120KB

Download
memory/2496-47-0x0000000010430000-0x000000001044E000-memory.dmp

Filesize
120KB

Download
memory/2496-54-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3716-45-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4436-0-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/4436-28-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download