0e131ed6555068513035088fd0a25944f2f0daec2428b40f9cdfda232dc718d9

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
30/04/2024, 04:44

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General

Target

2024-04-30_4932bb0b3097cdc77901dc9aa8248f5c_cryptolocker.exe
Size

45KB
MD5

4932bb0b3097cdc77901dc9aa8248f5c
SHA1

39797b9fb7b79a25d276e2ad0a9e92413785d880
SHA256

0e131ed6555068513035088fd0a25944f2f0daec2428b40f9cdfda232dc718d9
SHA512

c4b35bef38059ae9e12fdc84628d282f4269b819378cbfaba8131ad687ad9c4bdbf60341f567f9035d40df2a6638e106f8f45a2c9566d0f3f0121b6cf47e10fa
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsE:V6QFElP6n+gMQMOtEvwDpjyaYaFAh33

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014713-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014713-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2168	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2960	2024-04-30_4932bb0b3097cdc77901dc9aa8248f5c_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 2960 wrote to memory of 2168	2960	2024-04-30_4932bb0b3097cdc77901dc9aa8248f5c_cryptolocker.exe	28
PID 2960 wrote to memory of 2168	2960	2024-04-30_4932bb0b3097cdc77901dc9aa8248f5c_cryptolocker.exe	28
PID 2960 wrote to memory of 2168	2960	2024-04-30_4932bb0b3097cdc77901dc9aa8248f5c_cryptolocker.exe	28
PID 2960 wrote to memory of 2168	2960	2024-04-30_4932bb0b3097cdc77901dc9aa8248f5c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-30_4932bb0b3097cdc77901dc9aa8248f5c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_4932bb0b3097cdc77901dc9aa8248f5c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2168

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
45KB

MD5
9f7e33e9e3598dc75f992c852bc0185f

SHA1
8f650f83fddf805cb5a8a90681cb1f754680eeb7

SHA256
5a913d7e258ea2186baac4c1b5ee3c7aa84da336a5458777fa8ad5191a2ac5bf

SHA512
210b9c92c15fc2993bc83b97ea77fe4c09acbe8e1f1b174f028ccd9ee6793ea83136c20980568ba33ae27f8f9cb2def9d3721ffddd9f3d4e475566fcacd34f13

Download Submit
memory/2168-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2960-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2960-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2960-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download