0cbd5a918b40cd533fb4491dfc0ad935dbb5a076c71b6ba026a554a9359810fa

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
13/09/2024, 02:33

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General

Target

2024-09-13_472ad083386fe381da41fcc48b1ada7b_cryptolocker.exe
Size

72KB
MD5

472ad083386fe381da41fcc48b1ada7b
SHA1

b5ba9cf05eddd9185d435b48f08b1c850bb63645
SHA256

0cbd5a918b40cd533fb4491dfc0ad935dbb5a076c71b6ba026a554a9359810fa
SHA512

720b8f22996a77aaf21edea2bd8bb3770e877f007b2666b8543e1d5d1db3b6d2161f7da75d1d3e1a277c0dae690c6355574065d32e7096ce0e39c13de146507c
SSDEEP

1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs95G:C4Q2c94OtEvwDpj4H8zN

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3044	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2124	2024-09-13_472ad083386fe381da41fcc48b1ada7b_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2124-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000b000000012266-11.dat	upx
behavioral1/memory/2124-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/3044-27-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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

System Information Discovery
T1082

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	2024-09-13_472ad083386fe381da41fcc48b1ada7b_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 3044	2124	2024-09-13_472ad083386fe381da41fcc48b1ada7b_cryptolocker.exe	30
PID 2124 wrote to memory of 3044	2124	2024-09-13_472ad083386fe381da41fcc48b1ada7b_cryptolocker.exe	30
PID 2124 wrote to memory of 3044	2124	2024-09-13_472ad083386fe381da41fcc48b1ada7b_cryptolocker.exe	30
PID 2124 wrote to memory of 3044	2124	2024-09-13_472ad083386fe381da41fcc48b1ada7b_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-13_472ad083386fe381da41fcc48b1ada7b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-13_472ad083386fe381da41fcc48b1ada7b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- 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:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
72KB

MD5
e03237527d15ae98b0a3dde73ae20b51

SHA1
e6096e3e54e6ca35174c1b21ef66c9456aea7dba

SHA256
3bbcd17602846844e765d7f72502aca3058be590584fe49ffb93ee12d8c2f313

SHA512
58d2967afb1d0cbc55d6b71eb8468a31020a99cbf8a81ca2449b88e945e98f8b28bada6ea6dc1bcb363793b0db4ff06df5ab05c5a49cc922d5158379a72137ce

Download Submit
memory/2124-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2124-2-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2124-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2124-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2124-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2124-15-0x00000000004F0000-0x0000000000500000-memory.dmp

Filesize
64KB

Download
memory/3044-26-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3044-19-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3044-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download