0974cd0ac14d8ad53e9f8854230691a34e7f3ed710028e8ef69d71264a6dfd7a

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
18/08/2023, 16:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

35a9756dc48cbd143332f3743336ffae_cryptolocker_JC.exe
Size

54KB
MD5

35a9756dc48cbd143332f3743336ffae
SHA1

d70210625ec6d9c6c80510e45e702b9a4b4fba76
SHA256

0974cd0ac14d8ad53e9f8854230691a34e7f3ed710028e8ef69d71264a6dfd7a
SHA512

c3412d30dc9d4bab98c56ef003f15f0acc13a5532ec541fa5676e53b5bb1d7fe5e66e71c65374261531a5288aac4f9c26402ed4923918a1dfae5da3499826033
SSDEEP

768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpej:zj+soPSMOtEvwDpj4yyj

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1668	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2468	35a9756dc48cbd143332f3743336ffae_cryptolocker_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2468-54-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2468-68-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0008000000012029-65.dat	upx
behavioral1/memory/1668-70-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0008000000012029-69.dat	upx
behavioral1/files/0x0008000000012029-79.dat	upx
behavioral1/memory/1668-80-0x0000000000500000-0x0000000000510000-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 4 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 1668	2468	35a9756dc48cbd143332f3743336ffae_cryptolocker_JC.exe	28
PID 2468 wrote to memory of 1668	2468	35a9756dc48cbd143332f3743336ffae_cryptolocker_JC.exe	28
PID 2468 wrote to memory of 1668	2468	35a9756dc48cbd143332f3743336ffae_cryptolocker_JC.exe	28
PID 2468 wrote to memory of 1668	2468	35a9756dc48cbd143332f3743336ffae_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\35a9756dc48cbd143332f3743336ffae_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\35a9756dc48cbd143332f3743336ffae_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1668

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

Loading Replay Monitor...

Downloads

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

Filesize
54KB

MD5
c91187da03f9e0160976d0fb54d11743

SHA1
500c515250ca6bf2d98112ca4886a11b0b7a94d8

SHA256
0e0ac94688a179214821839633634ed8e73ca3b509096826a3bdda68801ca093

SHA512
a8d03dfa589e6de412e3f78ca2b33aaa1699696d3880c46e3f9bbabc695d62fc137993fbe8930914a263b0deb440fcf890064a307e15150ccb3022e06b43ce09

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

Filesize
54KB

MD5
c91187da03f9e0160976d0fb54d11743

SHA1
500c515250ca6bf2d98112ca4886a11b0b7a94d8

SHA256
0e0ac94688a179214821839633634ed8e73ca3b509096826a3bdda68801ca093

SHA512
a8d03dfa589e6de412e3f78ca2b33aaa1699696d3880c46e3f9bbabc695d62fc137993fbe8930914a263b0deb440fcf890064a307e15150ccb3022e06b43ce09

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

Filesize
54KB

MD5
c91187da03f9e0160976d0fb54d11743

SHA1
500c515250ca6bf2d98112ca4886a11b0b7a94d8

SHA256
0e0ac94688a179214821839633634ed8e73ca3b509096826a3bdda68801ca093

SHA512
a8d03dfa589e6de412e3f78ca2b33aaa1699696d3880c46e3f9bbabc695d62fc137993fbe8930914a263b0deb440fcf890064a307e15150ccb3022e06b43ce09

Download Submit
memory/1668-70-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1668-72-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1668-73-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1668-80-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2468-55-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2468-54-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2468-56-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2468-58-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2468-68-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download