c3138c658c09390fc3a60678540040a78a4665488518ac3fc2f94e75efb2c46a

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
02/02/2024, 03:48

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General

Target

2024-02-02_e9bca2ae58dac1478835de575406487b_cryptolocker.exe
Size

34KB
MD5

e9bca2ae58dac1478835de575406487b
SHA1

dad48a9a92fc2a86423b08d22478404a48693b7e
SHA256

c3138c658c09390fc3a60678540040a78a4665488518ac3fc2f94e75efb2c46a
SHA512

228c35bb82e82e0645635538548d55fc15ee901260c95d72426123de5316e806ed083392f3e81355f6f69f4d72a82360149b8d90a1d296f6c00519ce0bc0779c
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiA0jgg183nC:btB9g/WItCSsAGjX7e9N4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001226e-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1340	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2064	2024-02-02_e9bca2ae58dac1478835de575406487b_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
2064	2024-02-02_e9bca2ae58dac1478835de575406487b_cryptolocker.exe
1340	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 1340	2064	2024-02-02_e9bca2ae58dac1478835de575406487b_cryptolocker.exe	28
PID 2064 wrote to memory of 1340	2064	2024-02-02_e9bca2ae58dac1478835de575406487b_cryptolocker.exe	28
PID 2064 wrote to memory of 1340	2064	2024-02-02_e9bca2ae58dac1478835de575406487b_cryptolocker.exe	28
PID 2064 wrote to memory of 1340	2064	2024-02-02_e9bca2ae58dac1478835de575406487b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-02_e9bca2ae58dac1478835de575406487b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-02_e9bca2ae58dac1478835de575406487b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2064
- 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:1340

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\gewos.exe

Filesize
34KB

MD5
40874ebe649043833999798cc1ea5a4b

SHA1
2341db78662d1f8c0539bd7624736dfcf93fa43b

SHA256
68855f02c50ce1e7275c01277f20ed8c3a7782961453056ab71d6d8944442450

SHA512
4bc8743f4db55573158f1e50a22304de4481e01091ffe3e9feb341cd3559a1c49ebf0fd5d94d2a720b04d04ed394f8e6a0c942a8c80d5081b5a46a62bbd76a37

Download Submit
memory/1340-21-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2064-0-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2064-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2064-2-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download