5a8070f6df31ce40b7e73c3d4ce7f58b753cec82eff32db8e89151dd59c541d3

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
23-10-2023 19:19

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General

Target

NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe
Size

40KB
MD5

68081183dea2f65059caa2923f0b37e5
SHA1

58be0ae4f8cc54ce52050d7e87e132d7c9e778e1
SHA256

5a8070f6df31ce40b7e73c3d4ce7f58b753cec82eff32db8e89151dd59c541d3
SHA512

b87af260b62db9c106769979f908e522749176d38472ecb3fd8b9cfc2b8130263cb731aaca46561e4e4e7d62e18f17bbd2d242b41c9ffd53e7982e421b47ea1e
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YR8C:bgGYcA/53GAA6y37UH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2312	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1164	NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_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 1164 wrote to memory of 2312	1164	NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe	28
PID 1164 wrote to memory of 2312	1164	NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe	28
PID 1164 wrote to memory of 2312	1164	NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe	28
PID 1164 wrote to memory of 2312	1164	NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2312

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\hasfj.exe

Filesize
41KB

MD5
fe876b43f669637a5cb7ff83f4c8a7d0

SHA1
5e7f4d15341bdb7f7c78cba4a2dcb2eddd0c59d9

SHA256
610933da0906f0b0b73704f26c212d441b53dca6b62e2cc5742de9f922a6cc7d

SHA512
957372caf1f2f4659e2e4b298db19bc641a87d15af967f359045bedc70d0924f705816abdb71dd1de7bf22a8ffe2c498b2d718ede84dbbe118f33d9063243297

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

Filesize
41KB

MD5
fe876b43f669637a5cb7ff83f4c8a7d0

SHA1
5e7f4d15341bdb7f7c78cba4a2dcb2eddd0c59d9

SHA256
610933da0906f0b0b73704f26c212d441b53dca6b62e2cc5742de9f922a6cc7d

SHA512
957372caf1f2f4659e2e4b298db19bc641a87d15af967f359045bedc70d0924f705816abdb71dd1de7bf22a8ffe2c498b2d718ede84dbbe118f33d9063243297

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

Filesize
41KB

MD5
fe876b43f669637a5cb7ff83f4c8a7d0

SHA1
5e7f4d15341bdb7f7c78cba4a2dcb2eddd0c59d9

SHA256
610933da0906f0b0b73704f26c212d441b53dca6b62e2cc5742de9f922a6cc7d

SHA512
957372caf1f2f4659e2e4b298db19bc641a87d15af967f359045bedc70d0924f705816abdb71dd1de7bf22a8ffe2c498b2d718ede84dbbe118f33d9063243297

Download Submit
memory/1164-0-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1164-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1164-2-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2312-15-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2312-16-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download