96edd92e5a118ecc622b38e6b8db78d4049199a11ace00d7907b43330c34be31

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 00:46

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General

Target

2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe
Size

32KB
MD5

9097ec322117868b8d91d949567621f7
SHA1

3076eb5f8957f41f0273b9fd735387681f6c5617
SHA256

96edd92e5a118ecc622b38e6b8db78d4049199a11ace00d7907b43330c34be31
SHA512

09cc66322befc4b9da36f319804360ded80c0652299273835741f68056ca829f195a0b4469a4d44a9bb1f4231a927f6ac7c12edc5d5058cb87fba28046727940
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoCt9/B+wI:b7o/2n1TCraU6GD1a4Xt9DI

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000120f8-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2348	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2420	2024-02-14_9097ec322117868b8d91d949567621f7_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
2420	2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe
2348	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2348	2420	2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe	28
PID 2420 wrote to memory of 2348	2420	2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe	28
PID 2420 wrote to memory of 2348	2420	2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe	28
PID 2420 wrote to memory of 2348	2420	2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_9097ec322117868b8d91d949567621f7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2420
- 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:2348

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
32KB

MD5
2aac7392719303e14229ec3ef12afecb

SHA1
68e4f076002b8469c49d3e9cfafe6b8b5447ebfd

SHA256
7bf9edab8cd21323a06b508de59a23aa1497dfd9cd4eb8198018c96189367bce

SHA512
d41d88fabe1a0c6fb9c4c916e757c1b1d0f38c267250e4eab17a5952b2fce89b6861d59622f2f953c6cfc0feb627f194b85bee6f13c150407f81920a0973076c

Download Submit
memory/2348-17-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2420-0-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2420-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2420-4-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download