8b35eb9b8c34ae09eeaf4831af5f31f94a7bc849899806ace950aa688657dc1b

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 19:47

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General

Target

2024-02-23_84cfd212a30730bdd6f3dd83ba685b53_cryptolocker.exe
Size

48KB
MD5

84cfd212a30730bdd6f3dd83ba685b53
SHA1

144ee7999f9e197645ef72f5968c60854906e159
SHA256

8b35eb9b8c34ae09eeaf4831af5f31f94a7bc849899806ace950aa688657dc1b
SHA512

bd6a59d709870bad144f277a18d81a59b48d6f37a34b00716b3fcaa64aa833281dd20d28778cdebf99ee01e08ff8b0e85105f76fabe7fb48e70fa4f04233c66a
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hS7e:bgGYcA/53GAA6y37nbS7e

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224f-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2716	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2040	2024-02-23_84cfd212a30730bdd6f3dd83ba685b53_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 2040 wrote to memory of 2716	2040	2024-02-23_84cfd212a30730bdd6f3dd83ba685b53_cryptolocker.exe	28
PID 2040 wrote to memory of 2716	2040	2024-02-23_84cfd212a30730bdd6f3dd83ba685b53_cryptolocker.exe	28
PID 2040 wrote to memory of 2716	2040	2024-02-23_84cfd212a30730bdd6f3dd83ba685b53_cryptolocker.exe	28
PID 2040 wrote to memory of 2716	2040	2024-02-23_84cfd212a30730bdd6f3dd83ba685b53_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-23_84cfd212a30730bdd6f3dd83ba685b53_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_84cfd212a30730bdd6f3dd83ba685b53_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2716

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

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
48KB

MD5
b42c8c13da6c7391c29e0fc9d76da600

SHA1
16a05f4e9e81f9e61d9d30151895c385ebe01963

SHA256
119df627c171620d6b498fa4d5ec15958db9ba168e7ee8484230a7dd578b81a6

SHA512
ccf6e97811167f5e6e1d84116e4db1efa8093797f148ace09a835c6ec9fb679a800581943c440c6baee25d7ddd7aa3b7aa1b0e3edcc0eb4cffd9a9ffd1757fb7

Download Submit
memory/2040-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2040-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2040-8-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2716-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2716-22-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download