0ca8ff1e7c05a48c2a2a0ad2b2e0efba1ace09f3816621a113866a7f84b3b147

Analysis

max time kernel
130s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2023, 13:13

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General

Target

708a7430764a030c797366327883db1c_cryptolocker_JC.exe
Size

98KB
MD5

708a7430764a030c797366327883db1c
SHA1

c5379ede5887ca5d97622a9f5aa585af33a8bc3e
SHA256

0ca8ff1e7c05a48c2a2a0ad2b2e0efba1ace09f3816621a113866a7f84b3b147
SHA512

23e4efa7e7ec85eabc4836bc263a2269f9af3d8691d09b48056161e09d76d9399e547b86be08c8dd13bb7c94304b693e4d493dc9ad6dd00155360bfb165a84df
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GkF:1nK6a+qdOOtEvwDpja

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1392	asih.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/392-133-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral2/files/0x0007000000023224-146.dat	upx
behavioral2/files/0x0007000000023224-148.dat	upx
behavioral2/files/0x0007000000023224-149.dat	upx
behavioral2/memory/392-150-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral2/memory/1392-159-0x0000000000500000-0x000000000050F311-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 392 wrote to memory of 1392	392	708a7430764a030c797366327883db1c_cryptolocker_JC.exe	80
PID 392 wrote to memory of 1392	392	708a7430764a030c797366327883db1c_cryptolocker_JC.exe	80
PID 392 wrote to memory of 1392	392	708a7430764a030c797366327883db1c_cryptolocker_JC.exe	80

C:\Users\Admin\AppData\Local\Temp\708a7430764a030c797366327883db1c_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\708a7430764a030c797366327883db1c_cryptolocker_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:392
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1392

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
98KB

MD5
b16b1ef2e80bfee534bd27c703705098

SHA1
b42a65a23e63b37966fb7967ac7c434e2420a07e

SHA256
76c347fa2bfc1db3c950fd82723134354fc6c3f00ed3411bd099b74798c63b4b

SHA512
47ce5787496f6b096cebd085228fb02e4c2b680c81e4d83d8111ae81f441c770d3ad07f19675952014c3d2f386bf45f32ffaf7af1f0396029896881303d276fd

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

Filesize
98KB

MD5
b16b1ef2e80bfee534bd27c703705098

SHA1
b42a65a23e63b37966fb7967ac7c434e2420a07e

SHA256
76c347fa2bfc1db3c950fd82723134354fc6c3f00ed3411bd099b74798c63b4b

SHA512
47ce5787496f6b096cebd085228fb02e4c2b680c81e4d83d8111ae81f441c770d3ad07f19675952014c3d2f386bf45f32ffaf7af1f0396029896881303d276fd

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

Filesize
98KB

MD5
b16b1ef2e80bfee534bd27c703705098

SHA1
b42a65a23e63b37966fb7967ac7c434e2420a07e

SHA256
76c347fa2bfc1db3c950fd82723134354fc6c3f00ed3411bd099b74798c63b4b

SHA512
47ce5787496f6b096cebd085228fb02e4c2b680c81e4d83d8111ae81f441c770d3ad07f19675952014c3d2f386bf45f32ffaf7af1f0396029896881303d276fd

Download Submit
memory/392-133-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/392-134-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/392-135-0x00000000006A0000-0x00000000006A6000-memory.dmp

Filesize
24KB

Download
memory/392-136-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/392-150-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/1392-153-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/1392-152-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1392-159-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download