177265b47771b1d5cd24d0763f0c1f6c6df9dfa6f2d2551aa2d00bce1ad7d022

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 03:39

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General

Target

2024-09-19_c2b9c93a2615e126f643b78d1909febc_cryptolocker.exe
Size

63KB
MD5

c2b9c93a2615e126f643b78d1909febc
SHA1

a08ce52e913408ec77355fb332feab6071d31d1a
SHA256

177265b47771b1d5cd24d0763f0c1f6c6df9dfa6f2d2551aa2d00bce1ad7d022
SHA512

55d7b3b56d2da096b8a775143163558c8d0c0e13bfebc50283c43515a7256dbb16bdaa46a725014b4d935edee6ff78677e2a1a6dafaf4cc78852203a97ea0305
SSDEEP

768:0Qz7yVEhs9+syJP6ntOOtEvwDpjFSXOQ69zbjlAAX5e9zA:0j+soPSMOtEvwDpjwizbR9XwzA

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2052	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2352	2024-09-19_c2b9c93a2615e126f643b78d1909febc_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2352-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000b000000012260-11.dat	upx
behavioral1/memory/2052-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2352-14-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2052-26-0x0000000000500000-0x0000000000510000-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	2024-09-19_c2b9c93a2615e126f643b78d1909febc_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2052	2352	2024-09-19_c2b9c93a2615e126f643b78d1909febc_cryptolocker.exe	30
PID 2352 wrote to memory of 2052	2352	2024-09-19_c2b9c93a2615e126f643b78d1909febc_cryptolocker.exe	30
PID 2352 wrote to memory of 2052	2352	2024-09-19_c2b9c93a2615e126f643b78d1909febc_cryptolocker.exe	30
PID 2352 wrote to memory of 2052	2352	2024-09-19_c2b9c93a2615e126f643b78d1909febc_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-19_c2b9c93a2615e126f643b78d1909febc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_c2b9c93a2615e126f643b78d1909febc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2352
- 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:2052

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

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Downloads

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

Filesize
63KB

MD5
161eac9267ee2158bdc623869f9f5f5b

SHA1
9de5a93f41a8a697e341ffc5bde04d4e962bcd23

SHA256
52130ad7f7a2f3a9c3e145fa25b4755ce50ad01f6f0f901b310e8d72da87140f

SHA512
ccb6953ed479d339a7e84e15314775806181f69c149464a028ca82171e3bb8a21c8367a9e3a34b82796f60c65eadc758c1d072b53f37cab6e1a88b1da4267ebc

Download Submit
memory/2052-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2052-18-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2052-25-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2052-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2352-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2352-1-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2352-2-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2352-9-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2352-14-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download