8d466b5b7fa742437b032facb7c4ecb8b04563bdb2883989893b58f87708152c

Analysis

max time kernel
135s
max time network
144s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
15-08-2023 18:09

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General

Target

fff4f59c5b03c91c8df7c8f34e775427_cryptolocker_JC.exe
Size

142KB
MD5

fff4f59c5b03c91c8df7c8f34e775427
SHA1

6c43a4b4fe8a604b8a0965b38f7716adaf1889da
SHA256

8d466b5b7fa742437b032facb7c4ecb8b04563bdb2883989893b58f87708152c
SHA512

9bf55d3f2dffc7e3c2f3a62c474f435eaba698dd28144b58570dc570daa08f3893b16f785fa94fed6fad31f6d9699c13690d1a0eee132c88fa4db53e9701289c
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbxGYQbxGYQbPlooHPbo:V6a+pOtEvwDpjt22+

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1880	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1040	fff4f59c5b03c91c8df7c8f34e775427_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 1040 wrote to memory of 1880	1040	fff4f59c5b03c91c8df7c8f34e775427_cryptolocker_JC.exe	28
PID 1040 wrote to memory of 1880	1040	fff4f59c5b03c91c8df7c8f34e775427_cryptolocker_JC.exe	28
PID 1040 wrote to memory of 1880	1040	fff4f59c5b03c91c8df7c8f34e775427_cryptolocker_JC.exe	28
PID 1040 wrote to memory of 1880	1040	fff4f59c5b03c91c8df7c8f34e775427_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\fff4f59c5b03c91c8df7c8f34e775427_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\fff4f59c5b03c91c8df7c8f34e775427_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1880

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
142KB

MD5
5d22d0a543add46545560b0e02840986

SHA1
917c93e208e2f092bc1d00acad7b6d8c59c1909f

SHA256
913e0f6495ac3bdc659520e4ecb2e91c8c32b3e96e1eccedcfd371780d6558cd

SHA512
9b5bc3251342b80df8f44d93ffd63fcf8a99f72c8c027a44c907710c6930276d4475ff7dfcdee6c2cb415583dc89ef4cf02cd868b606e3aef19e436a7050330f

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

Filesize
142KB

MD5
5d22d0a543add46545560b0e02840986

SHA1
917c93e208e2f092bc1d00acad7b6d8c59c1909f

SHA256
913e0f6495ac3bdc659520e4ecb2e91c8c32b3e96e1eccedcfd371780d6558cd

SHA512
9b5bc3251342b80df8f44d93ffd63fcf8a99f72c8c027a44c907710c6930276d4475ff7dfcdee6c2cb415583dc89ef4cf02cd868b606e3aef19e436a7050330f

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

Filesize
142KB

MD5
5d22d0a543add46545560b0e02840986

SHA1
917c93e208e2f092bc1d00acad7b6d8c59c1909f

SHA256
913e0f6495ac3bdc659520e4ecb2e91c8c32b3e96e1eccedcfd371780d6558cd

SHA512
9b5bc3251342b80df8f44d93ffd63fcf8a99f72c8c027a44c907710c6930276d4475ff7dfcdee6c2cb415583dc89ef4cf02cd868b606e3aef19e436a7050330f

Download Submit
memory/1040-54-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1040-56-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1040-55-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1880-70-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1880-69-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download