08200c4b2cf4cfdad81f2e5e9a6efad9a53d647f0fd093de8320e201e4d80dca

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/02/2024, 07:31

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General

Target

2024-02-25_551dfd1034a9d6b701110f61aa1d466a_cryptolocker.exe
Size

35KB
MD5

551dfd1034a9d6b701110f61aa1d466a
SHA1

d0fc65c7f4958d82bae2580cbad353b082710aa2
SHA256

08200c4b2cf4cfdad81f2e5e9a6efad9a53d647f0fd093de8320e201e4d80dca
SHA512

e1bf6947d34d1c5ee9653ad395f147292c9828ed01825f04e8985c0eb64e620f165495881d06af99ae3cc52ca6cabdf8743e1b0b75a71c57867e9ee564ce4b04
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVajSKm5uhy7O4Jg:X6QFElP6n+gJQMOtEvwDpjBcSKm5uhwa

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000013a06-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000013a06-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2544	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2160	2024-02-25_551dfd1034a9d6b701110f61aa1d466a_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 2160 wrote to memory of 2544	2160	2024-02-25_551dfd1034a9d6b701110f61aa1d466a_cryptolocker.exe	28
PID 2160 wrote to memory of 2544	2160	2024-02-25_551dfd1034a9d6b701110f61aa1d466a_cryptolocker.exe	28
PID 2160 wrote to memory of 2544	2160	2024-02-25_551dfd1034a9d6b701110f61aa1d466a_cryptolocker.exe	28
PID 2160 wrote to memory of 2544	2160	2024-02-25_551dfd1034a9d6b701110f61aa1d466a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_551dfd1034a9d6b701110f61aa1d466a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_551dfd1034a9d6b701110f61aa1d466a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2544

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
35KB

MD5
1856dfb93658a7a7d07ba02779d9ba47

SHA1
64a57a21332c81d92771b53f25121a500791274a

SHA256
4bcac7760e03ca3a9eaf0ae06cb93dca7a97c1c4907e44c7f8641ae40c94a878

SHA512
ee69f8c99893643a3f2f5c2ed92256bcf790b2900ff61b81399bb3f6c3d164eda70ea6a491eae0ae62d9e8fe1cc4ab1cd9edfe8fee7400bd1aad07a87f254f20

Download Submit
memory/2160-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2160-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2160-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2544-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2544-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download