d51f4b824b7831f36d6356a73ec08904a76abd5e9d85fa9677a3e66ed418c21e

Analysis

max time kernel
143s
max time network
147s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
06-08-2023 15:09

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General

Target

8a5fb980a7347bcb07e89163c9bc98b4_cryptolocker_JC.exe
Size

49KB
MD5

8a5fb980a7347bcb07e89163c9bc98b4
SHA1

a1f5de7910329fdbee7ae84ace169782d5efc749
SHA256

d51f4b824b7831f36d6356a73ec08904a76abd5e9d85fa9677a3e66ed418c21e
SHA512

d4104a204659046f8af44d7030b2c5463e37ab2e2e96e7b315d808d04051cfb178a89cfd05368c548f4754b6942a2b5e3b486975aaad0469867793ff5f36f121
SSDEEP

1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb619:BbdDmjr+OtEvwDpjMr

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2804	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2384	8a5fb980a7347bcb07e89163c9bc98b4_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 2384 wrote to memory of 2804	2384	8a5fb980a7347bcb07e89163c9bc98b4_cryptolocker_JC.exe	30
PID 2384 wrote to memory of 2804	2384	8a5fb980a7347bcb07e89163c9bc98b4_cryptolocker_JC.exe	30
PID 2384 wrote to memory of 2804	2384	8a5fb980a7347bcb07e89163c9bc98b4_cryptolocker_JC.exe	30
PID 2384 wrote to memory of 2804	2384	8a5fb980a7347bcb07e89163c9bc98b4_cryptolocker_JC.exe	30

C:\Users\Admin\AppData\Local\Temp\8a5fb980a7347bcb07e89163c9bc98b4_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\8a5fb980a7347bcb07e89163c9bc98b4_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2804

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
49KB

MD5
645b1deef17fdca2cd052b47f40cc74a

SHA1
8d524d9af2348767676a1f21386a2c66a6930bbe

SHA256
ea0e344e6b0ff0babd06fd369f6fc44172c09c4cb3f12119506c9c4a28277d5a

SHA512
833d2ab427e112c7f5863cc9e2e3caedcc94533e33bef1be38b2e326cc1c7a0f0dfc1999135aa803b3ea42bdab19267c83307624ba79d21d7fd8261039a90468

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

Filesize
49KB

MD5
645b1deef17fdca2cd052b47f40cc74a

SHA1
8d524d9af2348767676a1f21386a2c66a6930bbe

SHA256
ea0e344e6b0ff0babd06fd369f6fc44172c09c4cb3f12119506c9c4a28277d5a

SHA512
833d2ab427e112c7f5863cc9e2e3caedcc94533e33bef1be38b2e326cc1c7a0f0dfc1999135aa803b3ea42bdab19267c83307624ba79d21d7fd8261039a90468

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

Filesize
49KB

MD5
645b1deef17fdca2cd052b47f40cc74a

SHA1
8d524d9af2348767676a1f21386a2c66a6930bbe

SHA256
ea0e344e6b0ff0babd06fd369f6fc44172c09c4cb3f12119506c9c4a28277d5a

SHA512
833d2ab427e112c7f5863cc9e2e3caedcc94533e33bef1be38b2e326cc1c7a0f0dfc1999135aa803b3ea42bdab19267c83307624ba79d21d7fd8261039a90468

Download Submit
memory/2384-56-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2384-59-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2384-79-0x0000000002480000-0x0000000002490000-memory.dmp

Filesize
64KB

Download
memory/2384-55-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2384-57-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2384-54-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2384-93-0x0000000002480000-0x0000000002490000-memory.dmp

Filesize
64KB

Download
memory/2804-83-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2804-86-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2804-85-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2804-94-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download