2494e4526ad99e25a025a74bfa1719569289c1ad1f3d1dacc491e773e97b0a8f

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18-02-2024 16:41

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General

Target

2024-02-18_0fb0b85ec373c3415f2466557b72c53e_cryptolocker.exe
Size

40KB
MD5

0fb0b85ec373c3415f2466557b72c53e
SHA1

2eb65cdaa714682884240f0b1056e1d7d02f5ea2
SHA256

2494e4526ad99e25a025a74bfa1719569289c1ad1f3d1dacc491e773e97b0a8f
SHA512

376deff3ac76efbf9fd16fdc0a98b79d34a46a730ccef6714bba1223f3330c350664675ee333d6e836352d777803ebfd11bc4db4b3f96d3bb4422177306b349b
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+rc5vVcFf:bgGYcA/53GADw8ClrcTcFf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012274-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2700	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1632	2024-02-18_0fb0b85ec373c3415f2466557b72c53e_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 1632 wrote to memory of 2700	1632	2024-02-18_0fb0b85ec373c3415f2466557b72c53e_cryptolocker.exe	28
PID 1632 wrote to memory of 2700	1632	2024-02-18_0fb0b85ec373c3415f2466557b72c53e_cryptolocker.exe	28
PID 1632 wrote to memory of 2700	1632	2024-02-18_0fb0b85ec373c3415f2466557b72c53e_cryptolocker.exe	28
PID 1632 wrote to memory of 2700	1632	2024-02-18_0fb0b85ec373c3415f2466557b72c53e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-18_0fb0b85ec373c3415f2466557b72c53e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_0fb0b85ec373c3415f2466557b72c53e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2700

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
40KB

MD5
b22214d084dac80fcfd3a662dc1ec34a

SHA1
32c5ad611bb9d210736bbd040716ec08eb0bf7af

SHA256
a45652e252bb598b799d301b66b0a6e64ed14bbefb66ac233d29e628d4c0ce38

SHA512
278907df71758d1a16de12a702676ef32ac9f2467cca8847c3554b4f4c1746e2f571813a2999339faeaced3cf7f842eda16fe8c6f5f1239b99f923e27ff2c281

Download Submit
memory/1632-0-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1632-2-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1632-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2700-15-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2700-17-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download