0bd6eeadb13bcee3b6844e03f7196d2cf378eebb0037c1720dd2c6c82c8ac648

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14-02-2024 00:44

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General

Target

2024-02-14_8963cc65d348fe7ef9f4d312ae2c0a00_cryptolocker.exe
Size

71KB
MD5

8963cc65d348fe7ef9f4d312ae2c0a00
SHA1

0f0bf5401413d39c06cd5926c9a507adcdcdf12b
SHA256

0bd6eeadb13bcee3b6844e03f7196d2cf378eebb0037c1720dd2c6c82c8ac648
SHA512

40ac2a57a1044039385b9b66a627eae2030ca76cccdf4b2457cdaf42da4d57757bf2f02fac7858130b83465ad859718f9f49b42f80c2c75dcdf81877de8d56c5
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1UWO:X6a+SOtEvwDpjBZYvQd2W

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001650c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001650c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3032	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1752	2024-02-14_8963cc65d348fe7ef9f4d312ae2c0a00_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 1752 wrote to memory of 3032	1752	2024-02-14_8963cc65d348fe7ef9f4d312ae2c0a00_cryptolocker.exe	28
PID 1752 wrote to memory of 3032	1752	2024-02-14_8963cc65d348fe7ef9f4d312ae2c0a00_cryptolocker.exe	28
PID 1752 wrote to memory of 3032	1752	2024-02-14_8963cc65d348fe7ef9f4d312ae2c0a00_cryptolocker.exe	28
PID 1752 wrote to memory of 3032	1752	2024-02-14_8963cc65d348fe7ef9f4d312ae2c0a00_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_8963cc65d348fe7ef9f4d312ae2c0a00_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_8963cc65d348fe7ef9f4d312ae2c0a00_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3032

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
71KB

MD5
955e10d34dccc13968ffb153e22ca354

SHA1
2a4ff4f716a71f87c1b801302f1acac532711d37

SHA256
699eaaede4a701b9db98dd6a023e6e7e45c540b5258751c09a22656464ae9c86

SHA512
81cac33fb55f1aa31748fc1e59e3391dec9f42c7a5748538f12ca22b0110fe7b048e86630ec9c4e071bfa163604ab71521fbdee8a01b80f24f1f68adba2ab7f1

Download Submit
memory/1752-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1752-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1752-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3032-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3032-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download