7fed23d9d25a1e52b169838951c0392ace2f3245ca396438e62f1234db23930e

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 23:34

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General

Target

2024-01-18_f3f5584afbdee30970ad0079aae48bd9_cryptolocker.exe
Size

88KB
MD5

f3f5584afbdee30970ad0079aae48bd9
SHA1

225ab792247b97b2138748d741925ec946e1aeca
SHA256

7fed23d9d25a1e52b169838951c0392ace2f3245ca396438e62f1234db23930e
SHA512

042908fea03210f9b21fefa96c630c12e7bb3f11c1caf1a9271aacebb7cd5b60aa4b81a42ca72b3d2bf70e1fecbbcd6a6ecc6cb1fa99b897e391bafd30297d00
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQYyP:vCjsIOtEvwDpj5H8zPsf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001492c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001492c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2448	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1704	2024-01-18_f3f5584afbdee30970ad0079aae48bd9_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 1704 wrote to memory of 2448	1704	2024-01-18_f3f5584afbdee30970ad0079aae48bd9_cryptolocker.exe	28
PID 1704 wrote to memory of 2448	1704	2024-01-18_f3f5584afbdee30970ad0079aae48bd9_cryptolocker.exe	28
PID 1704 wrote to memory of 2448	1704	2024-01-18_f3f5584afbdee30970ad0079aae48bd9_cryptolocker.exe	28
PID 1704 wrote to memory of 2448	1704	2024-01-18_f3f5584afbdee30970ad0079aae48bd9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-18_f3f5584afbdee30970ad0079aae48bd9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_f3f5584afbdee30970ad0079aae48bd9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2448

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\misid.exe

Filesize
88KB

MD5
35049a0dce75f256b28ef1431f7240ff

SHA1
65f9a482f61e09732fcdb5b221d8c19305d35c22

SHA256
7e4568f620adb558f7e336b9a18743e4b898584cf3f09470c4659b5c12203ba5

SHA512
3ffd92a8fa6ead1d0afe300c7abdaa4d64f3fb42f040dd43c4ccb778298b0dcf1f897b2a7d5daa6b75f1391b1cb783c426e72436a163840849828c43752e4c89

Download Submit
memory/1704-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1704-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1704-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2448-16-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2448-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download