f7f5bc374986b9be95918e6ea1a61ea3cf63fc9f8f2f85f956d782a38e27ef77

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
07/06/2024, 23:30

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General

Target

2024-06-07_673625372e7673d81877ce95424448d2_cryptolocker.exe
Size

33KB
MD5

673625372e7673d81877ce95424448d2
SHA1

d41c9ce448cd83e3ea9b3fa6b3b36d0a444a1b69
SHA256

f7f5bc374986b9be95918e6ea1a61ea3cf63fc9f8f2f85f956d782a38e27ef77
SHA512

e2208d7f1bc13b78517c7f61cc867fe46b36cc5bdada325093cb92dc58a78edce6792f5f90c6c2787ce053f190689bd4f02c856f3812717c135cd7a885034dca
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3v7TIg:bAvJCYOOvbRPDEgXRcJ1

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001226b-14.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2836	demka.exe

Loads dropped DLL 1 IoCs

pid	Process
2984	2024-06-07_673625372e7673d81877ce95424448d2_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
2984	2024-06-07_673625372e7673d81877ce95424448d2_cryptolocker.exe
2836	demka.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2836	2984	2024-06-07_673625372e7673d81877ce95424448d2_cryptolocker.exe	28
PID 2984 wrote to memory of 2836	2984	2024-06-07_673625372e7673d81877ce95424448d2_cryptolocker.exe	28
PID 2984 wrote to memory of 2836	2984	2024-06-07_673625372e7673d81877ce95424448d2_cryptolocker.exe	28
PID 2984 wrote to memory of 2836	2984	2024-06-07_673625372e7673d81877ce95424448d2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-07_673625372e7673d81877ce95424448d2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-07_673625372e7673d81877ce95424448d2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2836

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\demka.exe

Filesize
33KB

MD5
e2d3db98f514178ffceb88343b876fc1

SHA1
4f8ddd92e11bff5401b79432a69c0d02f7155dcc

SHA256
4f8b463d8ad1eeffb422e09346106d897b9d367f2bc3db8e9ab4ef5b6e0b1ca1

SHA512
2f7dee76365b96b308943767baa55fb60c741113653ae762f1b89d0c76f9b3ef50325dfd4b1a4a031c05159aa0d7c6db2afb6458da75570a646ccc57016d6ad2

Download Submit
memory/2836-23-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/2984-0-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2984-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2984-8-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download