cbf1de2898f5c3ff7a19a2f98f6e9ad63107b081f9cfe649529d3fdc3e26787f

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/03/2024, 03:00

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General

Target

2024-03-29_6ba8e7870941355f5bdf917f6e20a97b_cryptolocker.exe
Size

162KB
MD5

6ba8e7870941355f5bdf917f6e20a97b
SHA1

1936a986abf35ae0149ccd2614a71bfb3e7db54a
SHA256

cbf1de2898f5c3ff7a19a2f98f6e9ad63107b081f9cfe649529d3fdc3e26787f
SHA512

2a844c055e2327f6251c89e5b81b9bed20c79bf9b393145c518cf26f87846b42b33b9f7a88a5cfc8bcab49ba4e6f91c853ecb93f83791f2d4b45d35924348571
SSDEEP

1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwNgp699GNtL1emmbb:u6a++OtEvwDpj6zL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000700000001227e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000700000001227e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1932	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-03-29_6ba8e7870941355f5bdf917f6e20a97b_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 2180 wrote to memory of 1932	2180	2024-03-29_6ba8e7870941355f5bdf917f6e20a97b_cryptolocker.exe	28
PID 2180 wrote to memory of 1932	2180	2024-03-29_6ba8e7870941355f5bdf917f6e20a97b_cryptolocker.exe	28
PID 2180 wrote to memory of 1932	2180	2024-03-29_6ba8e7870941355f5bdf917f6e20a97b_cryptolocker.exe	28
PID 2180 wrote to memory of 1932	2180	2024-03-29_6ba8e7870941355f5bdf917f6e20a97b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-29_6ba8e7870941355f5bdf917f6e20a97b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-29_6ba8e7870941355f5bdf917f6e20a97b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1932

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
162KB

MD5
0263eca80bc704c506e4dfe341461b37

SHA1
d1258bc66d1bdba28ef8103bc28e52ddfee6115b

SHA256
01ce6ee065ab023a1a9b6bf050298fd2636cfe964b1e168b3c41e9189d23c39f

SHA512
48d4faa349d60f95cc8bd55bece482d5edeb72edc96b5fb987cc258586d2248405a3d25ebe8e1fadccfa85a63f06a61bd18ee7dc8e7ce537414b6d0998f8fa1c

Download Submit
memory/1932-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1932-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2180-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2180-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download