5a3620ac8703aade34d8a0581cbce0e3c8b30c38a06f725e079c3051b512cabd

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2023, 20:18

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General

Target

NEAS.2023-09-27_5b710213f554648a861addf5291ee034_cryptolocker.exe
Size

35KB
MD5

5b710213f554648a861addf5291ee034
SHA1

10232956316337a4556722dcf98604e1890dddc1
SHA256

5a3620ac8703aade34d8a0581cbce0e3c8b30c38a06f725e079c3051b512cabd
SHA512

dc9ed517353393c667f4c0216c9c39addf7217ec7ccf3d39112a1b0aa09f901483aed2fa15ccac1c78311ba46f1411030ccca98f4810e41985e8d6728b587a99
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5c/sl3:bgX4zYcgTEu6QOaryfjqDDw3sCu5Usl3

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation	NEAS.2023-09-27_5b710213f554648a861addf5291ee034_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4556	hasfj.exe

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 5116 wrote to memory of 4556	5116	NEAS.2023-09-27_5b710213f554648a861addf5291ee034_cryptolocker.exe	87
PID 5116 wrote to memory of 4556	5116	NEAS.2023-09-27_5b710213f554648a861addf5291ee034_cryptolocker.exe	87
PID 5116 wrote to memory of 4556	5116	NEAS.2023-09-27_5b710213f554648a861addf5291ee034_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-27_5b710213f554648a861addf5291ee034_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-27_5b710213f554648a861addf5291ee034_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5116
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:4556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\hasfj.exe

Filesize
35KB

MD5
049f0522db18ef0cbc2e5cbfd54e5ab1

SHA1
a4920e1592e3c02d404b6b9af2fc823f737c6880

SHA256
041fd8aa7567ae6364433fdbce333de78c55240b21b9fde3d926462bf5321865

SHA512
e15de483dd2bbcdfbcfd81e52c75cd264e5f8d98cff07c26a4c6d48893d62bf818be0099079fd193a408db4671ef7ebcfaa1145daa07e6d0b91da9ac2fd449d0

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

Filesize
35KB

MD5
049f0522db18ef0cbc2e5cbfd54e5ab1

SHA1
a4920e1592e3c02d404b6b9af2fc823f737c6880

SHA256
041fd8aa7567ae6364433fdbce333de78c55240b21b9fde3d926462bf5321865

SHA512
e15de483dd2bbcdfbcfd81e52c75cd264e5f8d98cff07c26a4c6d48893d62bf818be0099079fd193a408db4671ef7ebcfaa1145daa07e6d0b91da9ac2fd449d0

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

Filesize
35KB

MD5
049f0522db18ef0cbc2e5cbfd54e5ab1

SHA1
a4920e1592e3c02d404b6b9af2fc823f737c6880

SHA256
041fd8aa7567ae6364433fdbce333de78c55240b21b9fde3d926462bf5321865

SHA512
e15de483dd2bbcdfbcfd81e52c75cd264e5f8d98cff07c26a4c6d48893d62bf818be0099079fd193a408db4671ef7ebcfaa1145daa07e6d0b91da9ac2fd449d0

Download Submit
memory/4556-17-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/4556-18-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/5116-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/5116-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/5116-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download