0b717392aed9de2dab2c1298137c396c81bbe9f3dc1c444683a8e40422be40c5

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
10/05/2024, 03:52

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General

Target

2024-05-10_73a09958b00d0bd0bc94e0afd556f99a_cryptolocker.exe
Size

81KB
MD5

73a09958b00d0bd0bc94e0afd556f99a
SHA1

432b3525c7231ec3127d512d5a2a71198bbbda79
SHA256

0b717392aed9de2dab2c1298137c396c81bbe9f3dc1c444683a8e40422be40c5
SHA512

a83ce68de2c15f6d762086e8402c5ac65b07ff59812ce382b52d7e1fae338204ed324f310b8eeec281cdc1a0e3513ca556c479456adb16954e8e2f47317d4541
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMr3i:TCjsIOtEvwDpj5HE/OUHnSMc

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/3016-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000f00000001227e-11.dat	CryptoLocker_rule2
behavioral1/memory/3016-14-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2992-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2992-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/3016-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000f00000001227e-11.dat	CryptoLocker_set1
behavioral1/memory/3016-14-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2992-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2992-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2992	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3016	2024-05-10_73a09958b00d0bd0bc94e0afd556f99a_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 3016 wrote to memory of 2992	3016	2024-05-10_73a09958b00d0bd0bc94e0afd556f99a_cryptolocker.exe	28
PID 3016 wrote to memory of 2992	3016	2024-05-10_73a09958b00d0bd0bc94e0afd556f99a_cryptolocker.exe	28
PID 3016 wrote to memory of 2992	3016	2024-05-10_73a09958b00d0bd0bc94e0afd556f99a_cryptolocker.exe	28
PID 3016 wrote to memory of 2992	3016	2024-05-10_73a09958b00d0bd0bc94e0afd556f99a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-10_73a09958b00d0bd0bc94e0afd556f99a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-10_73a09958b00d0bd0bc94e0afd556f99a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2992

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

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

Filesize
82KB

MD5
8e1d4e2a95f70af38bb65115ab3ec669

SHA1
2e51efb93af4e3ce29699de3ed1f638756939626

SHA256
5b6825ff27ce9b53644549dbed988fc72a8a057e33dabea7882aa08ca9c9f14d

SHA512
be41d2cfdd0b7487d2d146405f3b4bce745074cefedeeab06aaf950d1afb9b03c218f19398b33eaf1f9bc2ac4c0895b0a0bfc13d9e1394aa8ddc0d55cf786398

Download Submit
memory/2992-16-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2992-18-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2992-25-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2992-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3016-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3016-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/3016-9-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/3016-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/3016-14-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download