054ce23e77868d3b70a3884cc350b48c75e9fa63b774df6718ca6ae608b00fdf

Analysis

max time kernel
5s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 01:10

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General

Target

48233c394fd136a8e8c50f72c479818d.exe
Size

120KB
MD5

48233c394fd136a8e8c50f72c479818d
SHA1

a286371bf593d75e5932e75b0f7ccbd85e81b13b
SHA256

054ce23e77868d3b70a3884cc350b48c75e9fa63b774df6718ca6ae608b00fdf
SHA512

2fa9e8fe42cf7146a10963cb52a1e5d733e233147c5be2a3f0a6109695f1b2eb2b7ed0ebf5e56c96e7f61c5ca41d8ba55329d57d13d949382bdfbfc7aef422c3
SSDEEP

3072:JHLPsKAmOc6GxqG20y8g6vxnqV32cm5dtJWgW73HC+VPpwk87VP+vCGx:JHzsIv4G20yqvxnG32cm5dtJWgW73HCW

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1756	crashes.exe
2772	crashes.exe

Loads dropped DLL 2 IoCs

pid	Process
2052	48233c394fd136a8e8c50f72c479818d.exe
2052	48233c394fd136a8e8c50f72c479818d.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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\crashes.exe = "C:\\Users\\Admin\\AppData\\Roaming\\crashes\\crashes.exe"	48233c394fd136a8e8c50f72c479818d.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1756 set thread context of 2772	1756	crashes.exe	29
PID 1756 set thread context of 2772	1756	crashes.exe	29

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2052	48233c394fd136a8e8c50f72c479818d.exe
1756	crashes.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 1756	2052	48233c394fd136a8e8c50f72c479818d.exe	28
PID 2052 wrote to memory of 1756	2052	48233c394fd136a8e8c50f72c479818d.exe	28
PID 2052 wrote to memory of 1756	2052	48233c394fd136a8e8c50f72c479818d.exe	28
PID 2052 wrote to memory of 1756	2052	48233c394fd136a8e8c50f72c479818d.exe	28
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29
PID 1756 wrote to memory of 2772	1756	crashes.exe	29

C:\Users\Admin\AppData\Local\Temp\48233c394fd136a8e8c50f72c479818d.exe
"C:\Users\Admin\AppData\Local\Temp\48233c394fd136a8e8c50f72c479818d.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Users\Admin\AppData\Roaming\crashes\crashes.exe
  "C:\Users\Admin\AppData\Roaming\crashes\crashes.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Users\Admin\AppData\Roaming\crashes\crashes.exe
    "C:\Users\Admin\AppData\Roaming\crashes\crashes.exe"
    3⤵
    - Executes dropped EXE
    PID:2772
  - - C:\Users\Admin\AppData\Roaming\crashes\crashes.exe
      C:\Users\Admin\AppData\Roaming\crashes\crashes.exe
      4⤵
      PID:2784
  - - C:\Users\Admin\AppData\Roaming\crashes\crashes.exe
      C:\Users\Admin\AppData\Roaming\crashes\crashes.exe
      4⤵
      PID:2636

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2052-2-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2772-17-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2772-23-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2772-28-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads