5a3620ac8703aade34d8a0581cbce0e3c8b30c38a06f725e079c3051b512cabd

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-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

Executes dropped EXE 1 IoCs

pid	Process
2664	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2176	NEAS.2023-09-27_5b710213f554648a861addf5291ee034_cryptolocker.exe

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 2176 wrote to memory of 2664	2176	NEAS.2023-09-27_5b710213f554648a861addf5291ee034_cryptolocker.exe	28
PID 2176 wrote to memory of 2664	2176	NEAS.2023-09-27_5b710213f554648a861addf5291ee034_cryptolocker.exe	28
PID 2176 wrote to memory of 2664	2176	NEAS.2023-09-27_5b710213f554648a861addf5291ee034_cryptolocker.exe	28
PID 2176 wrote to memory of 2664	2176	NEAS.2023-09-27_5b710213f554648a861addf5291ee034_cryptolocker.exe	28

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⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2664

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

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

Filesize
35KB

MD5
049f0522db18ef0cbc2e5cbfd54e5ab1

SHA1
a4920e1592e3c02d404b6b9af2fc823f737c6880

SHA256
041fd8aa7567ae6364433fdbce333de78c55240b21b9fde3d926462bf5321865

SHA512
e15de483dd2bbcdfbcfd81e52c75cd264e5f8d98cff07c26a4c6d48893d62bf818be0099079fd193a408db4671ef7ebcfaa1145daa07e6d0b91da9ac2fd449d0

Download Submit
memory/2176-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2176-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2176-2-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/2664-15-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download