198f14d9e246dae36942f76326a97cc26c01b2d99d90b27ab16b8256335ba1c6

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
22-05-2024 02:53

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General

Target

2024-05-22_ebd10ce029ce7aeacfbcf1e59a6cf011_cryptolocker.exe
Size

41KB
MD5

ebd10ce029ce7aeacfbcf1e59a6cf011
SHA1

98ebeb7480514725348bff8f5a40d5d5524eb7f4
SHA256

198f14d9e246dae36942f76326a97cc26c01b2d99d90b27ab16b8256335ba1c6
SHA512

eacb48a46fd813312a54b33c14cd1be5a7148bde245650042283cca38e1633a2d9685b3c1898204671974654c715f53262ed1894f47054fb3f6df2547bae4c21
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCjfy:X6QFElP6n+gJQMOtEvwDpjBsYK/f4fy

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

2536 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-22_ebd10ce029ce7aeacfbcf1e59a6cf011_cryptolocker.exe

pid process

2880 2024-05-22_ebd10ce029ce7aeacfbcf1e59a6cf011_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2536	asih.exe

pid	process
2880	2024-05-22_ebd10ce029ce7aeacfbcf1e59a6cf011_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-22_ebd10ce029ce7aeacfbcf1e59a6cf011_cryptolocker.exe

description	pid	process	target process
PID 2880 wrote to memory of 2536	2880	2024-05-22_ebd10ce029ce7aeacfbcf1e59a6cf011_cryptolocker.exe	asih.exe
PID 2880 wrote to memory of 2536	2880	2024-05-22_ebd10ce029ce7aeacfbcf1e59a6cf011_cryptolocker.exe	asih.exe
PID 2880 wrote to memory of 2536	2880	2024-05-22_ebd10ce029ce7aeacfbcf1e59a6cf011_cryptolocker.exe	asih.exe
PID 2880 wrote to memory of 2536	2880	2024-05-22_ebd10ce029ce7aeacfbcf1e59a6cf011_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_ebd10ce029ce7aeacfbcf1e59a6cf011_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_ebd10ce029ce7aeacfbcf1e59a6cf011_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2880

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2536

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
42KB

MD5
4c37430fa9d6e884d93e279adb8790e5

SHA1
e4b4e68e70c1e6ebe54b43423ae3c06aedbd01db

SHA256
477e4a6cb9515a282cabe42c9b2266a5c63dd2fed45be3b779b5f9629a0607a1

SHA512
ae9f1a7334670439fb823f9a5601abd65a30d57cc3191e05f216f6ac3a44d4bcc0922936c3a0ba21a00cf6b93e95411d368f8a01a02d3bd910ac1aaf449211e9

Download Submit
memory/2536-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2536-22-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2880-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2880-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2880-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download