bd08145485b4e0bf9d415c2c31b4d77b83251c90a44de5304e491543276a0102

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 14:41

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General

Target

2024-03-12_132f6005e12b1906b26c0818a76fe004_cryptolocker.exe
Size

43KB
MD5

132f6005e12b1906b26c0818a76fe004
SHA1

c58c693f180f438f8d7bfdfbce87991c78c6517c
SHA256

bd08145485b4e0bf9d415c2c31b4d77b83251c90a44de5304e491543276a0102
SHA512

c98d4b8ba07ad9727e6114e7bc5c3a46016234eaafddd0ae7fb7460f6656568898c9a471a973a71256d6c83996964e67b046124a66820c546f65661e110d456d
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0Ee:V6QFElP6n+gMQMOtEvwDpjyaYaFAh+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012707-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012707-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2100	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2372	2024-03-12_132f6005e12b1906b26c0818a76fe004_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 2372 wrote to memory of 2100	2372	2024-03-12_132f6005e12b1906b26c0818a76fe004_cryptolocker.exe	28
PID 2372 wrote to memory of 2100	2372	2024-03-12_132f6005e12b1906b26c0818a76fe004_cryptolocker.exe	28
PID 2372 wrote to memory of 2100	2372	2024-03-12_132f6005e12b1906b26c0818a76fe004_cryptolocker.exe	28
PID 2372 wrote to memory of 2100	2372	2024-03-12_132f6005e12b1906b26c0818a76fe004_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_132f6005e12b1906b26c0818a76fe004_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_132f6005e12b1906b26c0818a76fe004_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2100

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
43KB

MD5
58174f19cb4e34869856d10732586a76

SHA1
6539920554f2597444ffa169fb5b6f2b5dae831a

SHA256
9c6d592a7597f787bd37798c3c6222e5e539892e38b9f1448fb5d895e5d89334

SHA512
3140719764d132e23fc1d677978f2180b2b311858c80643e5be87878ea9cf97c3b1148313a36e250b5d1851510c946fb149259e2d9addde807982d590003728a

Download Submit
memory/2100-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2100-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2372-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2372-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2372-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download