9ec175db2cd9bcc401b34ba67fbb18d6698d19fcc662e434b680f830953271ef

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02/05/2024, 05:40

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General

Target

2024-05-02_65922c9105900181e3b3dbab58b63fea_cryptolocker.exe
Size

74KB
MD5

65922c9105900181e3b3dbab58b63fea
SHA1

b0c1af85f1fef1e86480d0b31167d8a4be5a67fb
SHA256

9ec175db2cd9bcc401b34ba67fbb18d6698d19fcc662e434b680f830953271ef
SHA512

42bd84c8472014fa5013a8429b567e39bf0ac7df29ee613048b12a30f48286f29d6d7fd5461969b4754fb1ddd8a9faa3bc96c477c5018384e33d7e82634389db
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHs8:X6a+SOtEvwDpjBZYvQd27

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000014228-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000014228-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2024	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-05-02_65922c9105900181e3b3dbab58b63fea_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 2180 wrote to memory of 2024	2180	2024-05-02_65922c9105900181e3b3dbab58b63fea_cryptolocker.exe	28
PID 2180 wrote to memory of 2024	2180	2024-05-02_65922c9105900181e3b3dbab58b63fea_cryptolocker.exe	28
PID 2180 wrote to memory of 2024	2180	2024-05-02_65922c9105900181e3b3dbab58b63fea_cryptolocker.exe	28
PID 2180 wrote to memory of 2024	2180	2024-05-02_65922c9105900181e3b3dbab58b63fea_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-02_65922c9105900181e3b3dbab58b63fea_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-02_65922c9105900181e3b3dbab58b63fea_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2024

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
75KB

MD5
ccb6e9c108828da8f50ce3cb89ec8524

SHA1
6e0868b7d4926c5187ce8683f21ea9a2eca453a7

SHA256
2a589e2314e595db14021ba2df3634abcd36b92f6cf38bccd5f5d7c0786aedfc

SHA512
719eb6984813eddff53998d92cc0d45d9baa1afbe3587914e594a4557eab33b37d1ba79b0f2e6bd2669fc0008737ed2cf742b44b4298a99796f510d2c54a6b21

Download Submit
memory/2024-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2024-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2180-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2180-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download