d7f477da6f9a72a112cf7eb4685dfa27f386a2776d2088f72d2d69ef7737969f

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
14/06/2024, 07:24

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General

Target

2024-06-14_0262393f80dfaab803e1b0f66f618cf8_cryptolocker.exe
Size

47KB
MD5

0262393f80dfaab803e1b0f66f618cf8
SHA1

18da81c24d5e98632738697ce65ea359c1cfa1cc
SHA256

d7f477da6f9a72a112cf7eb4685dfa27f386a2776d2088f72d2d69ef7737969f
SHA512

d3e1d6a0acf00831fca216e5c12014f57d6b801e3a356c18933844396a9b873fd76ded945213c8307fb83323e93bd055a2989ba527c4a453cc1a7c387074be6f
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPc1:P6QFElP6k+MRQMOtEvwDpjBQpVXV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1292-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c000000012253-11.dat	CryptoLocker_rule2
behavioral1/memory/1292-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2568-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2568-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1292-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c000000012253-11.dat	CryptoLocker_set1
behavioral1/memory/1292-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2568-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2568-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2568	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1292	2024-06-14_0262393f80dfaab803e1b0f66f618cf8_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 1292 wrote to memory of 2568	1292	2024-06-14_0262393f80dfaab803e1b0f66f618cf8_cryptolocker.exe	28
PID 1292 wrote to memory of 2568	1292	2024-06-14_0262393f80dfaab803e1b0f66f618cf8_cryptolocker.exe	28
PID 1292 wrote to memory of 2568	1292	2024-06-14_0262393f80dfaab803e1b0f66f618cf8_cryptolocker.exe	28
PID 1292 wrote to memory of 2568	1292	2024-06-14_0262393f80dfaab803e1b0f66f618cf8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-14_0262393f80dfaab803e1b0f66f618cf8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-14_0262393f80dfaab803e1b0f66f618cf8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2568

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\asih.exe

Filesize
47KB

MD5
a6fed4e54325c7de0c7ca4bb735ff515

SHA1
88b1a5c630f6692f375a377d972db6e16c7c8621

SHA256
71c3e886122d719a2d226f20fbee4228c0cd9848073ded29dc7838389410d578

SHA512
79976bc64a140e350625aed871c0d1744801c0b18f5a08f3590f298092b45769facedaf606016c431d9e61f10d8513c223b7fbd10fc179b575d033b60998d2d8

Download Submit
memory/1292-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1292-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1292-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1292-3-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1292-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2568-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2568-18-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2568-25-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2568-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download