e151ae96c1321e7d33a8ce39c3b0b7d5ff32d4807953ab968c82dbb80054e506

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
28-02-2024 16:02

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General

Target

2024-02-28_b85229f6d61b43242cbf97cb7d3191cd_cryptolocker.exe
Size

37KB
MD5

b85229f6d61b43242cbf97cb7d3191cd
SHA1

ad68af3b12d0daab88f7eb3b587c22245f98019b
SHA256

e151ae96c1321e7d33a8ce39c3b0b7d5ff32d4807953ab968c82dbb80054e506
SHA512

2e1f6e7a547e7f1f3fe80d9f71f96b6ce0fa9abef506e4f006519483e9e3b6f5b9d3d75a24a79397945f03b56842ece4b4bdd0b07cde65dd8af5ff93bdc859c8
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5q/82z:bgGYcA/53GADw8Cr3

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000143fb-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2988	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
3028	2024-02-28_b85229f6d61b43242cbf97cb7d3191cd_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2988	3028	2024-02-28_b85229f6d61b43242cbf97cb7d3191cd_cryptolocker.exe	28
PID 3028 wrote to memory of 2988	3028	2024-02-28_b85229f6d61b43242cbf97cb7d3191cd_cryptolocker.exe	28
PID 3028 wrote to memory of 2988	3028	2024-02-28_b85229f6d61b43242cbf97cb7d3191cd_cryptolocker.exe	28
PID 3028 wrote to memory of 2988	3028	2024-02-28_b85229f6d61b43242cbf97cb7d3191cd_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-28_b85229f6d61b43242cbf97cb7d3191cd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-28_b85229f6d61b43242cbf97cb7d3191cd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2988

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\hasfj.exe

Filesize
38KB

MD5
a989693a470a5847fb757a9ec4bb3303

SHA1
1aabd8f8201a46cbceaa07ef90daa08ce74f5126

SHA256
5d01e76bec1dd54b4a844799f17e8a2fe188145255b09b63c210c0c0fbbd7996

SHA512
1e0149c0fd10c1a0e105c285d8af5933734661b02fad399e09f042a793ae6836e98cc7bb66de4942e741bbad229a7f9470ca5d5e87ddd717ff5051cc28ef8309

Download Submit
memory/2988-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2988-22-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/3028-0-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3028-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3028-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download