015a067ccf909954cdffb39554e0eaa84c22c38780a2761cc78c85724353d5aa

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18-01-2024 22:44

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General

Target

2024-01-18_4dc25a5aec9f8f14ce8d077e009dfa83_cryptolocker.exe
Size

47KB
MD5

4dc25a5aec9f8f14ce8d077e009dfa83
SHA1

e58561b2feec20702a9ba80d55dccab4ebf41177
SHA256

015a067ccf909954cdffb39554e0eaa84c22c38780a2761cc78c85724353d5aa
SHA512

920ddd6308043f876b8cd180b95fd2df967530ad922bba1205166affbd971b98d3599af4d07141f0cea9f2d78ad882229371fdd42a888377b0c715b7d3420482
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5Ch9:bgGYcA/53GAA6y37Q6dI+d50

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001224c-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1228	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2128	2024-01-18_4dc25a5aec9f8f14ce8d077e009dfa83_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 2128 wrote to memory of 1228	2128	2024-01-18_4dc25a5aec9f8f14ce8d077e009dfa83_cryptolocker.exe	28
PID 2128 wrote to memory of 1228	2128	2024-01-18_4dc25a5aec9f8f14ce8d077e009dfa83_cryptolocker.exe	28
PID 2128 wrote to memory of 1228	2128	2024-01-18_4dc25a5aec9f8f14ce8d077e009dfa83_cryptolocker.exe	28
PID 2128 wrote to memory of 1228	2128	2024-01-18_4dc25a5aec9f8f14ce8d077e009dfa83_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-18_4dc25a5aec9f8f14ce8d077e009dfa83_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_4dc25a5aec9f8f14ce8d077e009dfa83_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1228

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\hasfj.exe

Filesize
48KB

MD5
a586c844f83356f3161247a91aef6ce6

SHA1
e4fe8cbaacaa71834faa4810e965210bb149c9fb

SHA256
a301279d65eb5ff3d93cd798ea6faeac0138c592ec7310ec3fbbab78819fd197

SHA512
87580b7841d5cf4d403c01f509b0dc76293c0fc8e071dfb908224660c6be9fbc4fe284445941aab366dd2d2754610b614cb47986a36047c2fff67dbacb448430

Download Submit
memory/1228-15-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1228-22-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2128-0-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2128-1-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/2128-8-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download