0668827bf73ca26678ab86c1b5d5cac0fa65bafb5e9debdee07c4ca1130124e8

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
04/04/2024, 19:52

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General

Target

2024-04-04_6fe93413814c0890223774c1e0dd07fc_cryptolocker.exe
Size

47KB
MD5

6fe93413814c0890223774c1e0dd07fc
SHA1

31ad86e19dcd2084e672829667d5a6016d128bd7
SHA256

0668827bf73ca26678ab86c1b5d5cac0fa65bafb5e9debdee07c4ca1130124e8
SHA512

6a58783c9b38852f42c99ef3e7867e57fecbe2618303429b1e8a1b761ee89a12a100526b963a44252b5430e7beeef68651be18c4e45fecbbe942cc11d30aaabb
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hQcX/:bgGYcA/53GAA6y37nbL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
2544	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2160	2024-04-04_6fe93413814c0890223774c1e0dd07fc_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	2024-04-04_6fe93413814c0890223774c1e0dd07fc_cryptolocker.exe	28
PID 2160 wrote to memory of 2544	2160	2024-04-04_6fe93413814c0890223774c1e0dd07fc_cryptolocker.exe	28
PID 2160 wrote to memory of 2544	2160	2024-04-04_6fe93413814c0890223774c1e0dd07fc_cryptolocker.exe	28
PID 2160 wrote to memory of 2544	2160	2024-04-04_6fe93413814c0890223774c1e0dd07fc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-04_6fe93413814c0890223774c1e0dd07fc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-04_6fe93413814c0890223774c1e0dd07fc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.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\hasfj.exe

Filesize
47KB

MD5
75f40438e855bfd0618bc362df303c8e

SHA1
e531b59413e35c87dd216fc838ee0d8a50223be4

SHA256
9d248d9671d621dc5cf2a252848fb0c7e415c02824212e8989d7d4ff80a2af08

SHA512
4b48ddd9a0064b8544d4199feffbc717ad3239ed2710988abfec9a0e5c0b28b0ae5bd1c22cfd93e27e17795b50b3779ec8ab0d3ab954834c35dd73154d3c85b2

Download Submit
memory/2160-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2160-2-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2160-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2544-15-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2544-22-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download