cee23a37b579829641f1749e16c773f908c91f7bb9fc31d2ffbee1423a2db758

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
17/02/2024, 21:37

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General

Target

2024-02-17_5bd972d33a8e5dc971173aacd8bcfc4e_cryptolocker.exe
Size

62KB
MD5

5bd972d33a8e5dc971173aacd8bcfc4e
SHA1

f5fe8426c0e0f479ab6fbd6e579e5ea160b02491
SHA256

cee23a37b579829641f1749e16c773f908c91f7bb9fc31d2ffbee1423a2db758
SHA512

14149467bade1eb438a2f82d660d899b0ff84e490336ab2584f190474dd092e05590b16064a42ff4cc1f5d3526b87788608c48e57ca54234c5b232ee5665115d
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbmhkp:V6a+pOtEvwDpjvA

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012223-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012223-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2708	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2268	2024-02-17_5bd972d33a8e5dc971173aacd8bcfc4e_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 2268 wrote to memory of 2708	2268	2024-02-17_5bd972d33a8e5dc971173aacd8bcfc4e_cryptolocker.exe	28
PID 2268 wrote to memory of 2708	2268	2024-02-17_5bd972d33a8e5dc971173aacd8bcfc4e_cryptolocker.exe	28
PID 2268 wrote to memory of 2708	2268	2024-02-17_5bd972d33a8e5dc971173aacd8bcfc4e_cryptolocker.exe	28
PID 2268 wrote to memory of 2708	2268	2024-02-17_5bd972d33a8e5dc971173aacd8bcfc4e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_5bd972d33a8e5dc971173aacd8bcfc4e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_5bd972d33a8e5dc971173aacd8bcfc4e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2708

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\asih.exe

Filesize
62KB

MD5
f60be5deb07012293554d845517ab04e

SHA1
c59dd452fd45a7df6678c04bbce6ce701ad1652e

SHA256
9366acfd6210ee8b48a4276454e9e0e0a0e3edc52a4cccd2bc43cf3b5e41d13a

SHA512
bbda7db1e302cc0124ee65d2f90c594735b8dde3d1d3cc1b9d9c46b79de3614eaefd2670da3ccf38eba299888f672f0e3228898fff4440f2821ed7a86cdf4ff4

Download Submit
memory/2268-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2268-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2268-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2708-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2708-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download