102500b6ea10d58da387ae4f0f3006d0558e667d2015ddaa97b5f02f2143553b

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 12:35

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General

Target

2024-02-22_47ae4d07031790beabc92efe169e44d9_cryptolocker.exe
Size

68KB
MD5

47ae4d07031790beabc92efe169e44d9
SHA1

5cba4f7abd6a191884f04bb4dd2af73f106ea921
SHA256

102500b6ea10d58da387ae4f0f3006d0558e667d2015ddaa97b5f02f2143553b
SHA512

6efa1a17cf857a41f6eaaf813ce7cc7de3878a6c41728631712f0c0f529c6c7926d3788b3b33f749e515eebcf4ebde920636e670524983c912bf653c1bbd82a4
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUy:DW60sllyWOtEvwDpjwF854

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/1212-1-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1212-14-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000800000001227d-11.dat	CryptoLocker_rule2
behavioral1/memory/2492-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/1212-1-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1212-14-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000800000001227d-11.dat	CryptoLocker_set1
behavioral1/memory/2492-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2492	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1212	2024-02-22_47ae4d07031790beabc92efe169e44d9_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 1212 wrote to memory of 2492	1212	2024-02-22_47ae4d07031790beabc92efe169e44d9_cryptolocker.exe	28
PID 1212 wrote to memory of 2492	1212	2024-02-22_47ae4d07031790beabc92efe169e44d9_cryptolocker.exe	28
PID 1212 wrote to memory of 2492	1212	2024-02-22_47ae4d07031790beabc92efe169e44d9_cryptolocker.exe	28
PID 1212 wrote to memory of 2492	1212	2024-02-22_47ae4d07031790beabc92efe169e44d9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_47ae4d07031790beabc92efe169e44d9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_47ae4d07031790beabc92efe169e44d9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2492

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
69KB

MD5
b67cd9bec1506cc2514d73d2bf2e9b05

SHA1
816587a571af26beb21eeeefcaa01f8809f84eea

SHA256
b38d3c40e49ade89f1fe8bb1b3cb824bb56ea3c771eda0115e8b717dc75fe28f

SHA512
0959499283de42bed50979dd958bab5033673835a9f2de810083d7e3b45b4bd9b5d57a834cdd5a03f88e4dd5d35a853d9c48e716896331da023be5ad8b9d31cb

Download Submit
memory/1212-1-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1212-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1212-9-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1212-14-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2492-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2492-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2492-18-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download