9ac34500454ef98cf38da10d390dd2a7be3d873a07e626cbfeaa000cb0abaaae

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 02:37

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General

Target

2024-05-23_a1fc8ceab3238833cd2bf55b4778692a_cryptolocker.exe
Size

73KB
MD5

a1fc8ceab3238833cd2bf55b4778692a
SHA1

18b712ce58ca3ac702306877e179e4d724305c51
SHA256

9ac34500454ef98cf38da10d390dd2a7be3d873a07e626cbfeaa000cb0abaaae
SHA512

b3df950fab3ba43a0d60c602ced85d298ad840ec00a7b22d85051e861d9ed978a39cb46dd4fae66074a77e6cb2c7533f6d5018c91644ca4e5e43dede4a6f8ef6
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsu:u6QFElP6n+gWMOtEvwDpjJGYQbu

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

3004 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-23_a1fc8ceab3238833cd2bf55b4778692a_cryptolocker.exe

pid process

2252 2024-05-23_a1fc8ceab3238833cd2bf55b4778692a_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3004	asih.exe

pid	process
2252	2024-05-23_a1fc8ceab3238833cd2bf55b4778692a_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-23_a1fc8ceab3238833cd2bf55b4778692a_cryptolocker.exe

description	pid	process	target process
PID 2252 wrote to memory of 3004	2252	2024-05-23_a1fc8ceab3238833cd2bf55b4778692a_cryptolocker.exe	asih.exe
PID 2252 wrote to memory of 3004	2252	2024-05-23_a1fc8ceab3238833cd2bf55b4778692a_cryptolocker.exe	asih.exe
PID 2252 wrote to memory of 3004	2252	2024-05-23_a1fc8ceab3238833cd2bf55b4778692a_cryptolocker.exe	asih.exe
PID 2252 wrote to memory of 3004	2252	2024-05-23_a1fc8ceab3238833cd2bf55b4778692a_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-23_a1fc8ceab3238833cd2bf55b4778692a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_a1fc8ceab3238833cd2bf55b4778692a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2252

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:3004

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe
Filesize
73KB

MD5
202c81b2f5ead6aa4108a7b369f02942

SHA1
cebe53438d63a1d45fadcb1f8c885cdd2719cb79

SHA256
43eeb1222d38e1a55cc8acf026d5d961accee488ec31001c5a597c8cadf5fcae

SHA512
b74ecfac9c092e4b66d72f93b3fb1d3407246667865d46e67d2af610d07479cdca3c81a9064ba38c92a7bf0b13ae9eb52f0ba12ff91c98117965a0d6761d30bf

Download Submit
memory/2252-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2252-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2252-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/3004-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3004-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download