02c073271e52a32d0dd195cddf65ba1648376d7badcb7b331343c8cc3305e671

Analysis

max time kernel
151s
max time network
142s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01/02/2024, 23:31

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General

Target

2024-02-01_be0a45bc4eb66a157c79d8ca25c6e130_cryptolocker.exe
Size

41KB
MD5

be0a45bc4eb66a157c79d8ca25c6e130
SHA1

6c3196a6f6e2fbc84baddc6917e910538622d5d5
SHA256

02c073271e52a32d0dd195cddf65ba1648376d7badcb7b331343c8cc3305e671
SHA512

9c3e09d5f82b5f0ec79b1f8e81a87b00f29d66c40fe5cfb85b34feea94aa617527b90dc3ccf4c86b10b94257b89512c3ad57a7f8a2efec3a156df30340d58a8f
SSDEEP

768:b7o/2n1TCraU6GD1a4X0WcO+wMVm+slAMRqyQ:bc/y2lkF0+Bjv

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012261-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2216	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	2024-02-01_be0a45bc4eb66a157c79d8ca25c6e130_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	2024-02-01_be0a45bc4eb66a157c79d8ca25c6e130_cryptolocker.exe
2216	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2216	2192	2024-02-01_be0a45bc4eb66a157c79d8ca25c6e130_cryptolocker.exe	28
PID 2192 wrote to memory of 2216	2192	2024-02-01_be0a45bc4eb66a157c79d8ca25c6e130_cryptolocker.exe	28
PID 2192 wrote to memory of 2216	2192	2024-02-01_be0a45bc4eb66a157c79d8ca25c6e130_cryptolocker.exe	28
PID 2192 wrote to memory of 2216	2192	2024-02-01_be0a45bc4eb66a157c79d8ca25c6e130_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-01_be0a45bc4eb66a157c79d8ca25c6e130_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-01_be0a45bc4eb66a157c79d8ca25c6e130_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2216

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

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

Filesize
41KB

MD5
6a53207bdb75b1bc1054651db4b68580

SHA1
b1b87e433e3c3f388dcff147bc63d54cc22976f6

SHA256
c2244b8853b997e83a03ec6da099fa7eef3bc7a3686f4d492a6cb7cfeb07304e

SHA512
969fcaf2d33e8eedfa380a4123ce7a9199f2bc5b097cb0a52760f7510fde013b0444c440dd13619d75740e0d9b361f17bbc6c567d7ca8f9b250ae6a186de0aa4

Download Submit
memory/2192-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2192-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2192-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2216-23-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download