f732c47b84e16d1cf44825e63c25792c5afd1a031b6a4a07af90cd6a201f37ce

Analysis

max time kernel
150s
max time network
161s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
05/11/2023, 15:02

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General

Target

NEAS.2023-09-29_282ca453bbef9312c2e7c7defc1232b8_cryptolocker_JC.exe
Size

57KB
MD5

282ca453bbef9312c2e7c7defc1232b8
SHA1

a2a898f42d11b2f29d13e110176299e5819c8c58
SHA256

f732c47b84e16d1cf44825e63c25792c5afd1a031b6a4a07af90cd6a201f37ce
SHA512

0f42f3552281e803f6b2ceebeec6c81d9fd9a39b2474b3889dd4c8d09517b41c68d0bf5b5b29391e80999963ebb056b40ddf705ad3c757095a564dc1419550db
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLA+vF:X6a+SOtEvwDpjBrOX

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2668	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1200	NEAS.2023-09-29_282ca453bbef9312c2e7c7defc1232b8_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 1200 wrote to memory of 2668	1200	NEAS.2023-09-29_282ca453bbef9312c2e7c7defc1232b8_cryptolocker_JC.exe	28
PID 1200 wrote to memory of 2668	1200	NEAS.2023-09-29_282ca453bbef9312c2e7c7defc1232b8_cryptolocker_JC.exe	28
PID 1200 wrote to memory of 2668	1200	NEAS.2023-09-29_282ca453bbef9312c2e7c7defc1232b8_cryptolocker_JC.exe	28
PID 1200 wrote to memory of 2668	1200	NEAS.2023-09-29_282ca453bbef9312c2e7c7defc1232b8_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-29_282ca453bbef9312c2e7c7defc1232b8_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-29_282ca453bbef9312c2e7c7defc1232b8_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2668

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
58KB

MD5
46852cf803643d95c5e1e8262d386416

SHA1
8bc83a76e05b6236def0c6928af24fcf06ff4165

SHA256
484d1892691d5d1d05a3ee64e3ff8d2135a802f4b5ba77c5027f0ae3e282171c

SHA512
2654cc47ba718762efe090be5c21d1e2518b3b04c83c103e6ede1c07751f9f8df60ac6ba58a0e443fcd0aa538748bb1b5f570cc1b030e091f68f9015897e81a1

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

Filesize
58KB

MD5
46852cf803643d95c5e1e8262d386416

SHA1
8bc83a76e05b6236def0c6928af24fcf06ff4165

SHA256
484d1892691d5d1d05a3ee64e3ff8d2135a802f4b5ba77c5027f0ae3e282171c

SHA512
2654cc47ba718762efe090be5c21d1e2518b3b04c83c103e6ede1c07751f9f8df60ac6ba58a0e443fcd0aa538748bb1b5f570cc1b030e091f68f9015897e81a1

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

Filesize
58KB

MD5
46852cf803643d95c5e1e8262d386416

SHA1
8bc83a76e05b6236def0c6928af24fcf06ff4165

SHA256
484d1892691d5d1d05a3ee64e3ff8d2135a802f4b5ba77c5027f0ae3e282171c

SHA512
2654cc47ba718762efe090be5c21d1e2518b3b04c83c103e6ede1c07751f9f8df60ac6ba58a0e443fcd0aa538748bb1b5f570cc1b030e091f68f9015897e81a1

Download Submit
memory/1200-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2668-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2668-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download