353a4dae7a485d36f25f3ec87f136952c0c7fe6ef77c886de8b9d3e34080ff29

Analysis

max time kernel
1s
max time network
9s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2024, 03:51

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General

Target

2024-02-12_24bbbf81f704f533f80d9f7fad20b48f_cryptolocker.exe
Size

90KB
MD5

24bbbf81f704f533f80d9f7fad20b48f
SHA1

1938ea641a9d116e4d0687be0cafa5496f7c4820
SHA256

353a4dae7a485d36f25f3ec87f136952c0c7fe6ef77c886de8b9d3e34080ff29
SHA512

5922af8c954af5a46879355f5516fec920b7bb6e64f785c4c698c21768b8159677475c262ed64a98af0275eb12ef297af5d1f7272198e51ff1242395472055db
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87p:zCsanOtEvwDpjp

Score

9^/10

upx

Malware Config

Signatures

Detection of CryptoLocker Variants 3 IoCs

resource	yara_rule
behavioral2/memory/5020-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x000600000002321b-13.dat	CryptoLocker_rule2
behavioral2/memory/5020-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

resource	yara_rule
behavioral2/memory/5020-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/files/0x000600000002321b-13.dat	CryptoLocker_set1
behavioral2/memory/5020-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral2/memory/5020-0-0x0000000000500000-0x0000000000510000-memory.dmp	UPX
behavioral2/files/0x000600000002321b-13.dat	UPX
behavioral2/memory/5020-17-0x0000000000500000-0x0000000000510000-memory.dmp	UPX

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5020-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000600000002321b-13.dat	upx
behavioral2/memory/5020-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\2024-02-12_24bbbf81f704f533f80d9f7fad20b48f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_24bbbf81f704f533f80d9f7fad20b48f_cryptolocker.exe"
1⤵
PID:5020
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  PID:3836

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\misid.exe

Filesize
90KB

MD5
49357245e906813acc5c7474d250c6eb

SHA1
7e5fdf1b148c8b48eba6eb4f5e13c8d1533be3e0

SHA256
335600f93b303dd23fed43ea50c984b2f6b4fe937d5633be6d146b3a68b5746d

SHA512
aecf4015667837839e39c7e72c8700e6eaa4c54c72eae84cf91e8249cd5b3bdafd0a7eda39725d7b05df6c75d3e0b7d1074b65ddcbd3c31b8c812958c73cee42

Download Submit
memory/5020-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/5020-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/5020-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/5020-3-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/5020-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download