ee54c215dc12825baa83a0246ad09abea09a3839b371aea77bb0a5ed37302593

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
16-04-2024 04:20

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General

Target

2024-04-16_fd2c0ca55d9b3e551e03072dca4b1fcc_cryptolocker.exe
Size

38KB
MD5

fd2c0ca55d9b3e551e03072dca4b1fcc
SHA1

ae2b44211d15a43490ed5a388a1ee6ea96e6ce1b
SHA256

ee54c215dc12825baa83a0246ad09abea09a3839b371aea77bb0a5ed37302593
SHA512

8f02a48684fc0404ae0703d6337f43f32a12504c1af2cbb3e7f9c32786e5aac56c05bba845580b7a8ed82c4964eb6968e1b4f727f91b2fc5cafd734657a58af5
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HH:bA6YcA/X6G0W143n

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012352-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2616	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2952	2024-04-16_fd2c0ca55d9b3e551e03072dca4b1fcc_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 2952 wrote to memory of 2616	2952	2024-04-16_fd2c0ca55d9b3e551e03072dca4b1fcc_cryptolocker.exe	28
PID 2952 wrote to memory of 2616	2952	2024-04-16_fd2c0ca55d9b3e551e03072dca4b1fcc_cryptolocker.exe	28
PID 2952 wrote to memory of 2616	2952	2024-04-16_fd2c0ca55d9b3e551e03072dca4b1fcc_cryptolocker.exe	28
PID 2952 wrote to memory of 2616	2952	2024-04-16_fd2c0ca55d9b3e551e03072dca4b1fcc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-16_fd2c0ca55d9b3e551e03072dca4b1fcc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-16_fd2c0ca55d9b3e551e03072dca4b1fcc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2616

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\hasfj.exe

Filesize
38KB

MD5
3c195c8f9622fc5acbce57373b228a37

SHA1
ec547c7cedb1acb20af490f19f3ee3296d203544

SHA256
49083b7649fc38a458a0b382af4422f03c562bf0f67eb3a9f7f96e72f77a09d3

SHA512
e249d341f44a38e8882f4b3294ed4fc5182b568e4d181272a3176c6ccaaabab670ac0488f32834926a46ae8c2716379f0171086cd64d0b46d20dc40f4c0891e7

Download Submit
memory/2616-15-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2616-22-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2952-0-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download
memory/2952-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2952-7-0x0000000000510000-0x0000000000516000-memory.dmp

Filesize
24KB

Download