951f3e5191b9f4eac70974d349cadb5bd4dfcff407bf2364f0bb9991076c3674

Analysis

max time kernel
132s
max time network
143s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
23/10/2023, 20:44

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General

Target

NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe
Size

89KB
MD5

054e63fe1c68aa45f2c3f0ba7ab368fa
SHA1

1b9ecc1dfd74bbfc302d562887d4285416bb260b
SHA256

951f3e5191b9f4eac70974d349cadb5bd4dfcff407bf2364f0bb9991076c3674
SHA512

426d2ceb6928c18833898520bdc729eaf2237e2af867c3588e35c276b669207bb83cca5a28611616819715103784e9a6177c91059d2e2d11fea1e827d7e47c8e
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbNcqamvWHShl/3F:V6a+pOtEvwDpjtr

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2764	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1632	NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.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 1632 wrote to memory of 2764	1632	NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe	28
PID 1632 wrote to memory of 2764	1632	NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe	28
PID 1632 wrote to memory of 2764	1632	NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe	28
PID 1632 wrote to memory of 2764	1632	NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-08_054e63fe1c68aa45f2c3f0ba7ab368fa_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2764

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

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

Filesize
90KB

MD5
309beab414d74a347907a35d3c157256

SHA1
d507408becc4c9517065e4db0f284b92071311ed

SHA256
9cea71285d8c06a8035dfdb64123e6a186cb5bdfa6188947e3721e86c7ee181e

SHA512
00328a20aefe601d78993e07d6483af6aef45f590f89ddbaf37b62850cb5bf09bc3ea822e9ab8fbddbd2aaacc8daa1ed23c5a203472a54d70db2fd71aad8742d

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
90KB

MD5
309beab414d74a347907a35d3c157256

SHA1
d507408becc4c9517065e4db0f284b92071311ed

SHA256
9cea71285d8c06a8035dfdb64123e6a186cb5bdfa6188947e3721e86c7ee181e

SHA512
00328a20aefe601d78993e07d6483af6aef45f590f89ddbaf37b62850cb5bf09bc3ea822e9ab8fbddbd2aaacc8daa1ed23c5a203472a54d70db2fd71aad8742d

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

Filesize
90KB

MD5
309beab414d74a347907a35d3c157256

SHA1
d507408becc4c9517065e4db0f284b92071311ed

SHA256
9cea71285d8c06a8035dfdb64123e6a186cb5bdfa6188947e3721e86c7ee181e

SHA512
00328a20aefe601d78993e07d6483af6aef45f590f89ddbaf37b62850cb5bf09bc3ea822e9ab8fbddbd2aaacc8daa1ed23c5a203472a54d70db2fd71aad8742d

Download Submit
memory/1632-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1632-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1632-2-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2764-16-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2764-15-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download