df2977bfaa9452351a5af4aacf78eefafe7e1778f70741f0c4ea433663bd361c

Analysis

max time kernel
133s
max time network
141s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 00:33

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General

Target

2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe
Size

5.5MB
MD5

553237687f90208ad55f27b66785924c
SHA1

4e690583a57ddcbdbe5b5b9551fdf6da409ac465
SHA256

df2977bfaa9452351a5af4aacf78eefafe7e1778f70741f0c4ea433663bd361c
SHA512

5fe24cd4a2559fac4527c8a84e0b3b4148f89d873ed91ebf593d13f0351f9bc0e47a33a76085222390e28f5f88bff91a4e7f7dab66846ddc17457cf268a9b415
SSDEEP

98304:Vd3WWklj4b+ZTRXb81tTFjWYt8nfa9WfkOsm5UfjQNYT/StkkLlDzXgsOUlE8Fo:Vd3Vklsb+ZKyYt8fMtOsm5UfjQNqSKcW

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2380	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2524	2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2524	2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe
2380	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2380	2524	2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe	30
PID 2524 wrote to memory of 2380	2524	2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe	30
PID 2524 wrote to memory of 2380	2524	2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe	30
PID 2524 wrote to memory of 2380	2524	2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-11_553237687f90208ad55f27b66785924c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
5.5MB

MD5
943f109a3e3d8d8fca0e426798db39e2

SHA1
07e9ee958fbd8686e81f91126696cca5bbbe049f

SHA256
df18df4037addba767f5df9bcf73267909718d287b23bbc6ddbd91348c67f46a

SHA512
949616ee1eca9eab0c341743201e6c71fb489a1e1e7005d27caa4a8f332d4cbf3c12510a4b51861404e3a0deb4b0c30378681813a21dd57076fde10ff03e0ee1

Download Submit
memory/2380-33-0x0000000000500000-0x0000000000D8B000-memory.dmp

Filesize
8.5MB

Download
memory/2380-27-0x0000000000500000-0x0000000000D8B000-memory.dmp

Filesize
8.5MB

Download
memory/2380-34-0x0000000000500000-0x0000000000D8B000-memory.dmp

Filesize
8.5MB

Download
memory/2380-36-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2380-42-0x0000000000500000-0x0000000000D8B000-memory.dmp

Filesize
8.5MB

Download
memory/2380-43-0x0000000000500000-0x0000000000D8B000-memory.dmp

Filesize
8.5MB

Download
memory/2380-30-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2380-32-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2524-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2524-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2524-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2524-25-0x000000000050B000-0x0000000000805000-memory.dmp

Filesize
3.0MB

Download
memory/2524-22-0x0000000000500000-0x0000000000D8B000-memory.dmp

Filesize
8.5MB

Download
memory/2524-17-0x0000000000500000-0x0000000000D8B000-memory.dmp

Filesize
8.5MB

Download
memory/2524-0-0x0000000000500000-0x0000000000D8B000-memory.dmp

Filesize
8.5MB

Download
memory/2524-16-0x0000000000500000-0x0000000000D8B000-memory.dmp

Filesize
8.5MB

Download
memory/2524-26-0x0000000003AA0000-0x000000000432B000-memory.dmp

Filesize
8.5MB

Download
memory/2524-9-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2524-7-0x000000000050B000-0x0000000000805000-memory.dmp

Filesize
3.0MB

Download
memory/2524-6-0x0000000000500000-0x0000000000D8B000-memory.dmp

Filesize
8.5MB

Download
memory/2524-1-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download