658e6130bf2ec01101e1c08717d93bf6695bd08db1dd0e932a168dc8110c1f12

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
06/11/2023, 19:10

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General

Target

NEAS.2023-09-29_2aa7310e7ab4b79636290308aa2fa86a_cryptolocker.exe
Size

41KB
MD5

2aa7310e7ab4b79636290308aa2fa86a
SHA1

75197cde9b4b1017c3ea46ebd51a8d8378470b29
SHA256

658e6130bf2ec01101e1c08717d93bf6695bd08db1dd0e932a168dc8110c1f12
SHA512

f1b4bd2f2dd95184e83c7518d628bbc3e0489b142685378d2919befa77215d3b8947ca5bd4947f8744ae49cb4964db36aac4169603c92e16044b5614840ff216
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YF/:bgGYcA/53GAA6y37q/

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2636	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2412	NEAS.2023-09-29_2aa7310e7ab4b79636290308aa2fa86a_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 2412 wrote to memory of 2636	2412	NEAS.2023-09-29_2aa7310e7ab4b79636290308aa2fa86a_cryptolocker.exe	28
PID 2412 wrote to memory of 2636	2412	NEAS.2023-09-29_2aa7310e7ab4b79636290308aa2fa86a_cryptolocker.exe	28
PID 2412 wrote to memory of 2636	2412	NEAS.2023-09-29_2aa7310e7ab4b79636290308aa2fa86a_cryptolocker.exe	28
PID 2412 wrote to memory of 2636	2412	NEAS.2023-09-29_2aa7310e7ab4b79636290308aa2fa86a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-29_2aa7310e7ab4b79636290308aa2fa86a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-29_2aa7310e7ab4b79636290308aa2fa86a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2636

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
b32c980841bc834e8a6121fbe27860a1

SHA1
13925fc77c85f6adb1d57c64d5ed3041c040f200

SHA256
f310f659258ac983fa3b6494fac50eba03a5d6b6f71a2398912b7ae2b841853e

SHA512
f0f1b81f2abd50fa1f8f4b1fc832cb05d9b6ab960148206e24624fdc7be3ae65795448e36303b95150e04a1704387dc45ee791f8a071e5bad4093432b10f8a6e

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

Filesize
41KB

MD5
b32c980841bc834e8a6121fbe27860a1

SHA1
13925fc77c85f6adb1d57c64d5ed3041c040f200

SHA256
f310f659258ac983fa3b6494fac50eba03a5d6b6f71a2398912b7ae2b841853e

SHA512
f0f1b81f2abd50fa1f8f4b1fc832cb05d9b6ab960148206e24624fdc7be3ae65795448e36303b95150e04a1704387dc45ee791f8a071e5bad4093432b10f8a6e

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

Filesize
41KB

MD5
b32c980841bc834e8a6121fbe27860a1

SHA1
13925fc77c85f6adb1d57c64d5ed3041c040f200

SHA256
f310f659258ac983fa3b6494fac50eba03a5d6b6f71a2398912b7ae2b841853e

SHA512
f0f1b81f2abd50fa1f8f4b1fc832cb05d9b6ab960148206e24624fdc7be3ae65795448e36303b95150e04a1704387dc45ee791f8a071e5bad4093432b10f8a6e

Download Submit
memory/2412-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2412-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2412-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2636-15-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2636-16-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download