b51a8db7a42c2c196d0bcfb4edc891066c6d74af56f25f17201f821c5a43c962

Analysis

max time kernel
135s
max time network
148s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
31/10/2023, 16:44

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General

Target

NEAS.2023-09-06_4d5dbc57da80d81d6795dc859029a091_cryptolocker_JC.exe
Size

44KB
MD5

4d5dbc57da80d81d6795dc859029a091
SHA1

878e1ff5b6777ab2ccd6678d60f3f9ae9db3d6f3
SHA256

b51a8db7a42c2c196d0bcfb4edc891066c6d74af56f25f17201f821c5a43c962
SHA512

6d941069d7f8961bab8e0863a42ab113db5baa9f0cd70b8e62468e54fb740ad1cfc6385070f0f8bf1f53aa294c658a0aff1d08173ef25281c686f4eb008a1da7
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtldv:xj+VGMOtEvwDpjk/v

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2268	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	NEAS.2023-09-06_4d5dbc57da80d81d6795dc859029a091_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 2184 wrote to memory of 2268	2184	NEAS.2023-09-06_4d5dbc57da80d81d6795dc859029a091_cryptolocker_JC.exe	28
PID 2184 wrote to memory of 2268	2184	NEAS.2023-09-06_4d5dbc57da80d81d6795dc859029a091_cryptolocker_JC.exe	28
PID 2184 wrote to memory of 2268	2184	NEAS.2023-09-06_4d5dbc57da80d81d6795dc859029a091_cryptolocker_JC.exe	28
PID 2184 wrote to memory of 2268	2184	NEAS.2023-09-06_4d5dbc57da80d81d6795dc859029a091_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_4d5dbc57da80d81d6795dc859029a091_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_4d5dbc57da80d81d6795dc859029a091_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2268

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\misid.exe

Filesize
44KB

MD5
f392088ce540cd305329fbc2b6077249

SHA1
5c42863df5a1ae8b7f5bdb7c513caaf6c050c350

SHA256
4d6733edb72b5aae803a80c28373532e90abe7604a41376548c648612b06e0b0

SHA512
36af054a37e15b496a0f0742902a8c04d27ecedde6f6161549158de57b5fb137c590b96f8313b1e1e8eb61cee4e394e64c36c6c70c963c1e1600502a8b8bf320

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

Filesize
44KB

MD5
f392088ce540cd305329fbc2b6077249

SHA1
5c42863df5a1ae8b7f5bdb7c513caaf6c050c350

SHA256
4d6733edb72b5aae803a80c28373532e90abe7604a41376548c648612b06e0b0

SHA512
36af054a37e15b496a0f0742902a8c04d27ecedde6f6161549158de57b5fb137c590b96f8313b1e1e8eb61cee4e394e64c36c6c70c963c1e1600502a8b8bf320

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

Filesize
44KB

MD5
f392088ce540cd305329fbc2b6077249

SHA1
5c42863df5a1ae8b7f5bdb7c513caaf6c050c350

SHA256
4d6733edb72b5aae803a80c28373532e90abe7604a41376548c648612b06e0b0

SHA512
36af054a37e15b496a0f0742902a8c04d27ecedde6f6161549158de57b5fb137c590b96f8313b1e1e8eb61cee4e394e64c36c6c70c963c1e1600502a8b8bf320

Download Submit
memory/2184-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2184-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2184-2-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2184-4-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2184-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2268-18-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/2268-17-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2268-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download