fefc609d1bbc9db698deaa466aef8fee9e0c827d2ae3b49f6d0337a5d563233c

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 08:09

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General

Target

2024-10-31_ead71cc39b9da89b211f21635df5743f_cryptolocker.exe
Size

63KB
MD5

ead71cc39b9da89b211f21635df5743f
SHA1

41385b0551dc5f624537b194740de324fac58c76
SHA256

fefc609d1bbc9db698deaa466aef8fee9e0c827d2ae3b49f6d0337a5d563233c
SHA512

11976d376903fe9dc531ef635eaee38d54676e042eb57c52383d0e453ed04a36f90b580dd5d7184165ff203a09c3f6619449f6e7f1effcc6dd019ac45185031a
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMNuSA:TCjsIOtEvwDpj5HE/OUHnSMZn

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2768	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2644	2024-10-31_ead71cc39b9da89b211f21635df5743f_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	2024-10-31_ead71cc39b9da89b211f21635df5743f_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2768	2644	2024-10-31_ead71cc39b9da89b211f21635df5743f_cryptolocker.exe	30
PID 2644 wrote to memory of 2768	2644	2024-10-31_ead71cc39b9da89b211f21635df5743f_cryptolocker.exe	30
PID 2644 wrote to memory of 2768	2644	2024-10-31_ead71cc39b9da89b211f21635df5743f_cryptolocker.exe	30
PID 2644 wrote to memory of 2768	2644	2024-10-31_ead71cc39b9da89b211f21635df5743f_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-31_ead71cc39b9da89b211f21635df5743f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_ead71cc39b9da89b211f21635df5743f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2768

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\misid.exe

Filesize
63KB

MD5
091abf53e0ce92883384c7e28994be84

SHA1
e65cb77f55239d0fb409633f5aa380ed2a4e1f73

SHA256
b8df5189b3415cef3ddc166fdf83d3577f703d357321152eebf74ad3b2237dd1

SHA512
4a41c168ab252bc9e02f76b9d7706949b4df97ebe9d9db5f5f75414d4b2b84d827834b86a13d98c3df63fe5176c2516d76866df834e1937578a5f5c07cf6b78d

Download Submit
memory/2644-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2644-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2644-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2644-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2644-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2768-16-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2768-18-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2768-25-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2768-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download