5942488726f7b61676fd8f0f33ec735de78ec7cd6b63d9264d627a38520dda7c

Analysis

max time kernel
141s
max time network
142s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
23/10/2023, 20:49

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General

Target

NEAS.2023-09-06_77cf0f76a146e410d3486300b24fa2f1_cryptolocker_JC.exe
Size

56KB
MD5

77cf0f76a146e410d3486300b24fa2f1
SHA1

fd64cb639cfc16d28d7586014e55699687f745c8
SHA256

5942488726f7b61676fd8f0f33ec735de78ec7cd6b63d9264d627a38520dda7c
SHA512

f3df4e783254f8ec73bc88248cfd96c1643c81985eb789d4fbbbbd5337fcb79d5a895e0eb524875433744c8c9e3a177894a87a100e8201ba8014b159504d7c1e
SSDEEP

1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSb5:BbdDmjr+OtEvwDpjM8d

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2800	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2852	NEAS.2023-09-06_77cf0f76a146e410d3486300b24fa2f1_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 2852 wrote to memory of 2800	2852	NEAS.2023-09-06_77cf0f76a146e410d3486300b24fa2f1_cryptolocker_JC.exe	28
PID 2852 wrote to memory of 2800	2852	NEAS.2023-09-06_77cf0f76a146e410d3486300b24fa2f1_cryptolocker_JC.exe	28
PID 2852 wrote to memory of 2800	2852	NEAS.2023-09-06_77cf0f76a146e410d3486300b24fa2f1_cryptolocker_JC.exe	28
PID 2852 wrote to memory of 2800	2852	NEAS.2023-09-06_77cf0f76a146e410d3486300b24fa2f1_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_77cf0f76a146e410d3486300b24fa2f1_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_77cf0f76a146e410d3486300b24fa2f1_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2800

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
56KB

MD5
d3529a1c5750607c5d27d486c16c7a65

SHA1
a22101108aae3dad03f48d22a9d40a267981ad81

SHA256
493aabeec70974f525f521ef990ef04966227db5868fb4212e0bea5f9e3e4200

SHA512
4829b4f581c3905d7086acbca4aa5501b688bbbf0500de0b40f32d80a84a421a55c4217b8860a935bd55b3b9bbd998ef3178a24fa78e64b46691a1d6cf2622a5

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

Filesize
56KB

MD5
d3529a1c5750607c5d27d486c16c7a65

SHA1
a22101108aae3dad03f48d22a9d40a267981ad81

SHA256
493aabeec70974f525f521ef990ef04966227db5868fb4212e0bea5f9e3e4200

SHA512
4829b4f581c3905d7086acbca4aa5501b688bbbf0500de0b40f32d80a84a421a55c4217b8860a935bd55b3b9bbd998ef3178a24fa78e64b46691a1d6cf2622a5

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

Filesize
56KB

MD5
d3529a1c5750607c5d27d486c16c7a65

SHA1
a22101108aae3dad03f48d22a9d40a267981ad81

SHA256
493aabeec70974f525f521ef990ef04966227db5868fb4212e0bea5f9e3e4200

SHA512
4829b4f581c3905d7086acbca4aa5501b688bbbf0500de0b40f32d80a84a421a55c4217b8860a935bd55b3b9bbd998ef3178a24fa78e64b46691a1d6cf2622a5

Download Submit
memory/2800-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2800-19-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2800-18-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2800-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2852-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2852-1-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2852-3-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2852-2-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2852-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download