f4d3a6f6eb5118976870cf302a0c1cd9c6fb446faa66815a85b962d7c13effa9

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 03:49

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General

Target

2024-05-12_45a4003e30ec7bb87055b82bd8dabd8f_cryptolocker.exe
Size

41KB
MD5

45a4003e30ec7bb87055b82bd8dabd8f
SHA1

6196948e40bbc192f1893aebac9640aa969316d2
SHA256

f4d3a6f6eb5118976870cf302a0c1cd9c6fb446faa66815a85b962d7c13effa9
SHA512

ab9e0c5895078c85541b9612e4a575aecfbf5a935b5a7f015fa36fea9f9deac57189f11b7595e37fe378263d56c4d9fab556b135eee9892988a712a8b7a6cdc3
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCW:X6QFElP6n+gJQMOtEvwDpjBsYK/fp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0010000000012012-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0010000000012012-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3068	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1116	2024-05-12_45a4003e30ec7bb87055b82bd8dabd8f_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 1116 wrote to memory of 3068	1116	2024-05-12_45a4003e30ec7bb87055b82bd8dabd8f_cryptolocker.exe	28
PID 1116 wrote to memory of 3068	1116	2024-05-12_45a4003e30ec7bb87055b82bd8dabd8f_cryptolocker.exe	28
PID 1116 wrote to memory of 3068	1116	2024-05-12_45a4003e30ec7bb87055b82bd8dabd8f_cryptolocker.exe	28
PID 1116 wrote to memory of 3068	1116	2024-05-12_45a4003e30ec7bb87055b82bd8dabd8f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_45a4003e30ec7bb87055b82bd8dabd8f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_45a4003e30ec7bb87055b82bd8dabd8f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3068

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\asih.exe

Filesize
41KB

MD5
7a3d83f0c162e77c52d5e706fef06e1f

SHA1
a60c239dc5f51ddfad12a392aa61b7bb630a3463

SHA256
a3912a2450e99da80c0b21e758cf9de8710fc926905136deec3425454ed4ad5d

SHA512
479f7fe787d01c727a745750cf4d2043f8c80fe68bb231990669351f842da69642b5faf600c1f50934c154f3df453bc60248fc4325ce4037f4112dfbaf467451

Download Submit
memory/1116-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1116-7-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1116-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3068-15-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download