36afe97717751600e706943570c68abc1ce52c5ae74553a9a763f426ca09627d

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 08:43

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General

Target

2024-05-21_33aae13b63eccf63a03fe77fb1956d8e_cryptolocker.exe
Size

62KB
MD5

33aae13b63eccf63a03fe77fb1956d8e
SHA1

7ffcb21e233879e05ee5a9c69b9366f583934237
SHA256

36afe97717751600e706943570c68abc1ce52c5ae74553a9a763f426ca09627d
SHA512

0221d6ddc0c054a9cd4f3813c7ee5d7e91e684c73ddd3270ba17c40e14f5c9b46282f1a8a29bfe9520bad61ddeafaa4f3ba68b6dfbb257b5b983d62a32c0c978
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnxi:btng54SMLr+/AO/kIhfoKMHdag

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012336-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2176	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	2024-05-21_33aae13b63eccf63a03fe77fb1956d8e_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2192	2024-05-21_33aae13b63eccf63a03fe77fb1956d8e_cryptolocker.exe
2176	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2176	2192	2024-05-21_33aae13b63eccf63a03fe77fb1956d8e_cryptolocker.exe	28
PID 2192 wrote to memory of 2176	2192	2024-05-21_33aae13b63eccf63a03fe77fb1956d8e_cryptolocker.exe	28
PID 2192 wrote to memory of 2176	2192	2024-05-21_33aae13b63eccf63a03fe77fb1956d8e_cryptolocker.exe	28
PID 2192 wrote to memory of 2176	2192	2024-05-21_33aae13b63eccf63a03fe77fb1956d8e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-21_33aae13b63eccf63a03fe77fb1956d8e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_33aae13b63eccf63a03fe77fb1956d8e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
62KB

MD5
f3e5b745c9740091a065105e61f0c566

SHA1
ec5ccb6c89bfcf9bdc71b1e6d8d3305bac161582

SHA256
7714b388db5eb1bee6b6ea2378d52765319a0e4fc0be2bb9e034481b448f8133

SHA512
1c44c2d583db2eec07d337001ad5e694761a110eeb68c6af878a659ff1731622fbcdd598b40e4b12fb4c00811034d8f3877ac104f3b70244f1c51c50ee012560

Download Submit
memory/2176-23-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2192-8-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2192-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2192-0-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download