dcff2b27d2ad3f5e024c0510399d4b974894e7b24cdb95365d5611a7b8ee9c9b

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12-03-2024 10:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-12_1a542dd8e28fa0ddff673ba0a2f2423a_cryptolocker.exe
Size

50KB
MD5

1a542dd8e28fa0ddff673ba0a2f2423a
SHA1

d6b22f1805d8a920d03f79302981e904d791d58d
SHA256

dcff2b27d2ad3f5e024c0510399d4b974894e7b24cdb95365d5611a7b8ee9c9b
SHA512

fb0f9ac74d1861c138c0d4962822e6c3f5636b9ebe44e5b7e337957b0a30e4ff826c00b3ae2707d60f1106080d3acf959b0bb1bd57f3a642eb5465886e4df52d
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcOamI:X6QFElP6n+gJBMOtEvwDpjBtExmlA

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012255-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012255-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2508	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2172	2024-03-12_1a542dd8e28fa0ddff673ba0a2f2423a_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 2172 wrote to memory of 2508	2172	2024-03-12_1a542dd8e28fa0ddff673ba0a2f2423a_cryptolocker.exe	28
PID 2172 wrote to memory of 2508	2172	2024-03-12_1a542dd8e28fa0ddff673ba0a2f2423a_cryptolocker.exe	28
PID 2172 wrote to memory of 2508	2172	2024-03-12_1a542dd8e28fa0ddff673ba0a2f2423a_cryptolocker.exe	28
PID 2172 wrote to memory of 2508	2172	2024-03-12_1a542dd8e28fa0ddff673ba0a2f2423a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_1a542dd8e28fa0ddff673ba0a2f2423a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_1a542dd8e28fa0ddff673ba0a2f2423a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2508

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
50KB

MD5
bab49ebb7d76a3d117a6247a4def4343

SHA1
54015b42af1817256bd808a2e1fe2e4fdf3fc351

SHA256
ecf61db25b53c8c239ad414eec7ee7aeaa69b86c1e7f5d04dbf11ec3847b8293

SHA512
8707d612424d6918b141f384c7d8c1830aa098171c1f9c844726fa252ecd810291f08ddd92373ed70056ac52d50dfe76f35508d68d50392ccec7b0e3f1a21e2c

Download Submit
memory/2172-0-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2172-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2172-8-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2508-15-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/2508-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download