0a56874c9ac6600e7263d9d26e6cd4427e98051fb8b5ddb70507d995cc85e107

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-03-2024 01:28

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General

Target

2024-03-06_10d7c34c4f9a5235874cab540df05fa7_cryptolocker.exe
Size

46KB
MD5

10d7c34c4f9a5235874cab540df05fa7
SHA1

58b6a120783c7e049f42c30cd3211b8dde494e6e
SHA256

0a56874c9ac6600e7263d9d26e6cd4427e98051fb8b5ddb70507d995cc85e107
SHA512

cfd3b646e308a3f3ca4f8ef3dcffefe052b0892d3b4731886a94a8cd4f9ecb83cf6d6ddeae28658aa9ba08dc1dfcd395a874517b8b22d20864454523caaf3611
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/h/:bgGYcA/53GAA6y37nb/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224c-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2920	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2924	2024-03-06_10d7c34c4f9a5235874cab540df05fa7_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 2924 wrote to memory of 2920	2924	2024-03-06_10d7c34c4f9a5235874cab540df05fa7_cryptolocker.exe	28
PID 2924 wrote to memory of 2920	2924	2024-03-06_10d7c34c4f9a5235874cab540df05fa7_cryptolocker.exe	28
PID 2924 wrote to memory of 2920	2924	2024-03-06_10d7c34c4f9a5235874cab540df05fa7_cryptolocker.exe	28
PID 2924 wrote to memory of 2920	2924	2024-03-06_10d7c34c4f9a5235874cab540df05fa7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-06_10d7c34c4f9a5235874cab540df05fa7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_10d7c34c4f9a5235874cab540df05fa7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2920

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
46KB

MD5
1202c8badc0f610bac5c0107443f9128

SHA1
7f884ee7226eec334539ef87e3786ab7eeb058b2

SHA256
edcacd0a86b69c0d33741bcf44dff22d3ee04ea168c783d30ba7aba8ec36254e

SHA512
e9da7c354533b224fd6ae27d25c9621650447cb975e535fb24caef1aff5f204e55bb149de1117c8820541e6745fba77998ef96ca2ec46eea4c5ff59a9d04ce1b

Download Submit
memory/2920-15-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2920-22-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2924-0-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2924-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2924-1-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download