fe22e0a3594bff1aaa8daa3d102e840bde89ea342a3e16dfb1ee298f08e5696f

Analysis

max time kernel
136s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 08:41

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General

Target

201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe
Size

551KB
MD5

201037d0abd9a98db87dd8c16abcd32c
SHA1

8fa5f6119b1b9da114f85e27a0df046ed64dfd7c
SHA256

fe22e0a3594bff1aaa8daa3d102e840bde89ea342a3e16dfb1ee298f08e5696f
SHA512

7595f30e20dd8058ce12ed17283aa9915a49c6e07624e257283011a985975850510d12ac55e5150268cf7da13eb16742cc7bf737b91aba63ccbefe5bc514056c
SSDEEP

12288:et9r8hcmTtcNqOQ/3AjTr7vHSujL6Tc8VpSriup858QjJgE85:uZfmJcN0/3YrziThSrHp8KQVgE0

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1480	TablacusInstallerStuff.exe
548	TablacusApp.exe

Loads dropped DLL 1 IoCs

pid	Process
1528	201037d0abd9a98db87dd8c16abcd32c_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\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TablacusApp2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\TablacusApp\\TablacusApp.exe\""	TablacusApp.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1528	201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe
1528	201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe
1528	201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe
1528	201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 1480	1528	201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe	82
PID 1528 wrote to memory of 1480	1528	201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe	82
PID 1528 wrote to memory of 1480	1528	201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe	82
PID 1528 wrote to memory of 548	1528	201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe	86
PID 1528 wrote to memory of 548	1528	201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe	86
PID 1528 wrote to memory of 548	1528	201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Users\Admin\AppData\Local\Temp\nsx4C5C.tmp\TablacusInstallerStuff.exe
  "C:\Users\Admin\AppData\Local\Temp\nsx4C5C.tmp\TablacusInstallerStuff.exe" "write_patch_str_to_reg" "C:\Users\Admin\AppData\Local\Temp\201037d0abd9a98db87dd8c16abcd32c_JaffaCakes118.exe" "HKCU" "Software\TablacusApp" "badumt"
  2⤵
  - Executes dropped EXE
  PID:1480
- C:\Users\Admin\AppData\Roaming\TablacusApp\TablacusApp.exe
  C:\Users\Admin\AppData\Roaming\TablacusApp\TablacusApp.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:548

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

Boot or Logon Autostart Execution

T1547

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:\Users\Admin\AppData\Local\Temp\nsx4C5C.tmp\TablacusInstallerStuff.exe

Filesize
96KB

MD5
e4857bb275db012cca00c9f2e56dade6

SHA1
c9e3c8de1e38b18d05d9892a59efff93e470b18c

SHA256
b64cb265fec70f58a3826118390b28399d3d6a62aeb3d8a85ae4633e4c0e1cb4

SHA512
aebfd399b55dbd27218514bf3d5daf73deca0083746e1d880f5b586faeb0d6945665ddb1ff49a98fb3f3c610f290b6ec973e30d312bdc2720122aaf5205dcb86

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx4C5C.tmp\nsProcess.dll

Filesize
4KB

MD5
f0438a894f3a7e01a4aae8d1b5dd0289

SHA1
b058e3fcfb7b550041da16bf10d8837024c38bf6

SHA256
30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

SHA512
f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

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C:\Users\Admin\AppData\Roaming\TablacusApp\TablacusApp.exe

Filesize
218KB

MD5
20ad237a9b92f1cd7640e9d461ac8bc4

SHA1
49114acedfa7be6429ebd0da5b5c1311a966e822

SHA256
044f03a47a95aab679f55a5bd9d323ce5cafb2ee6346d144831292e25247bb32

SHA512
a9fae0ccddbca9346fd78fe0f0de8455d1587dd4479b26ce26acffad76be1a0955b907b83a2cad9b56e1ecb73efd908e6698976d43b908b1f58b8eab02d5909b

Download Submit