a0639da61720dde89494a0485b72f30404513a2304a3f078c0f0d42305352216

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 05:27

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General

Target

2024-09-12_45bf3543659d01be47acf221873537a4_cryptolocker.exe
Size

97KB
MD5

45bf3543659d01be47acf221873537a4
SHA1

77589e7a354a6ae7f422562e9237c91d5d942076
SHA256

a0639da61720dde89494a0485b72f30404513a2304a3f078c0f0d42305352216
SHA512

6f5924b6926315e5273105fcf420d4626cd8d5e3a86975db9c08376983f2a9b01e4ec06a09589147e6deb516d11e5d3afd366fe4a594ca9150f393c50d3466f2
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgp0D:V6a+pOtEvwDpjtzL

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2720	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2696	2024-09-12_45bf3543659d01be47acf221873537a4_cryptolocker.exe

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

System Information Discovery
T1082

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	2024-09-12_45bf3543659d01be47acf221873537a4_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2720	2696	2024-09-12_45bf3543659d01be47acf221873537a4_cryptolocker.exe	30
PID 2696 wrote to memory of 2720	2696	2024-09-12_45bf3543659d01be47acf221873537a4_cryptolocker.exe	30
PID 2696 wrote to memory of 2720	2696	2024-09-12_45bf3543659d01be47acf221873537a4_cryptolocker.exe	30
PID 2696 wrote to memory of 2720	2696	2024-09-12_45bf3543659d01be47acf221873537a4_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-12_45bf3543659d01be47acf221873537a4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_45bf3543659d01be47acf221873537a4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- 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
  PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
97KB

MD5
0945485c4e10402ac366f2da2f239be5

SHA1
8d41892444b06b4f93ea848a5a3e9657daa192a7

SHA256
b6bd32fbd52699bc08915183f562d7ef620e6280096bd8d37292a01ad48633fe

SHA512
cde952a18724f32e160d9d60dbfc18b2992a734451f91a3edbb9c6134f44a08412b0ba790b48479ed17f5a85a8135de4ed20e03b349955f4d88915bf9f7c6e76

Download Submit
memory/2696-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2696-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2696-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2720-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2720-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download