96a8b7da62615983b56201ef4e9db92dc51b44784c4e10686b8dce5aa22d22d5

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 04:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-09_479c7b8611200c673df38576858f3279_cryptolocker.exe
Size

95KB
MD5

479c7b8611200c673df38576858f3279
SHA1

34b3ac105ff1f16971855d9b0817972948c5610b
SHA256

96a8b7da62615983b56201ef4e9db92dc51b44784c4e10686b8dce5aa22d22d5
SHA512

2412a3446d8a54df5cad3fda4d7006eadbe496bb8147387a40ebe5d247261389ee8e23ce5722b3275ebc69ae9b6d8b7a41d513ecd9d1ada369e9f1f55532a4fd
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjuvQG:zCsanOtEvwDpjd

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2668	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1780	2024-10-09_479c7b8611200c673df38576858f3279_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1780-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/1780-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0005000000010300-24.dat	upx
behavioral1/memory/2668-26-0x0000000000500000-0x0000000000510000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-09_479c7b8611200c673df38576858f3279_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 2668	1780	2024-10-09_479c7b8611200c673df38576858f3279_cryptolocker.exe	29
PID 1780 wrote to memory of 2668	1780	2024-10-09_479c7b8611200c673df38576858f3279_cryptolocker.exe	29
PID 1780 wrote to memory of 2668	1780	2024-10-09_479c7b8611200c673df38576858f3279_cryptolocker.exe	29
PID 1780 wrote to memory of 2668	1780	2024-10-09_479c7b8611200c673df38576858f3279_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-10-09_479c7b8611200c673df38576858f3279_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_479c7b8611200c673df38576858f3279_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
96KB

MD5
433ace43b8c3b32929b6277847015032

SHA1
24b994a441b4af295ef2f82ee2c5e712c8c40f45

SHA256
1c5eeb4b6ba36edc91be3142654a8a5d024d1e91c2185f0f2a8f1cf769ccb03e

SHA512
9267dd0afcf20edc8090672ef244dc017125e3b5c03450f70408c28c775b5619afd6fa7ad77e872e54da3bd905456c640e5036378afb7277dc202dcdf37a20ee

Download Submit
memory/1780-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1780-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1780-9-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1780-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1780-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1780-14-0x0000000001FA0000-0x0000000001FB0000-memory.dmp

Filesize
64KB

Download
memory/2668-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2668-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2668-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download