01c5a555c72a60eca9d5a9e9f4e70c155850b8a070e644bb03287e2eb4247527

Analysis

max time kernel
149s
max time network
140s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
17/02/2024, 07:59

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General

Target

2024-02-17_f646033e48e8e830b55e8183f5d51208_cryptolocker.exe
Size

59KB
MD5

f646033e48e8e830b55e8183f5d51208
SHA1

a643679e78dd1a444f256210a203f4d3e8b71719
SHA256

01c5a555c72a60eca9d5a9e9f4e70c155850b8a070e644bb03287e2eb4247527
SHA512

7924e7b333333cb74f54c6f368e1df3f0765e55e8cd6288c6d6df767abdf1aa0248ca4f6505ea2c8dc7f1344e5b9c228732248bd4eed27b7ff4d46584dbbfffa
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMd3:TCjsIOtEvwDpj5HE/OUHnSM2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 6 IoCs

resource	yara_rule
behavioral1/memory/2288-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a000000012262-11.dat	CryptoLocker_rule2
behavioral1/memory/2288-13-0x0000000002480000-0x000000000248E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2288-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2456-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2456-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2288-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000a000000012262-11.dat	CryptoLocker_set1
behavioral1/memory/2288-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2456-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2456-27-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2456	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2288	2024-02-17_f646033e48e8e830b55e8183f5d51208_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 2288 wrote to memory of 2456	2288	2024-02-17_f646033e48e8e830b55e8183f5d51208_cryptolocker.exe	28
PID 2288 wrote to memory of 2456	2288	2024-02-17_f646033e48e8e830b55e8183f5d51208_cryptolocker.exe	28
PID 2288 wrote to memory of 2456	2288	2024-02-17_f646033e48e8e830b55e8183f5d51208_cryptolocker.exe	28
PID 2288 wrote to memory of 2456	2288	2024-02-17_f646033e48e8e830b55e8183f5d51208_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_f646033e48e8e830b55e8183f5d51208_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_f646033e48e8e830b55e8183f5d51208_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2456

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
59KB

MD5
a25052a3f36655b0e7c3b1ca7af87476

SHA1
5a24661937f13aff112dccb8588c4167c72e3fb1

SHA256
1a5f7ed6780954d7591c08ea9862ea3b7db6c4ae22428581be59175d3fde2f44

SHA512
57e4bfc51bb57920dfd0d515edc75a2418d40d9ee510e2c154a8662a0abdf6ab447897d6ec9b85488a1d3906681eb95972ef2c536bdd0b0c71e1dd202072d582

Download Submit
memory/2288-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2288-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2288-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2288-4-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2288-13-0x0000000002480000-0x000000000248E000-memory.dmp

Filesize
56KB

Download
memory/2288-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2456-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2456-19-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2456-21-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2456-27-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download