ee3de250f55101c64af50e83462382c55be8ef4c49b14c9d7112f2994ae84da1

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 04:37

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General

Target

2024-01-28_756476e68c12d0fd9c4035fbc1d24062_cryptolocker.exe
Size

46KB
MD5

756476e68c12d0fd9c4035fbc1d24062
SHA1

843e497b72df05d3d747ecd5346dd4eb47d6266b
SHA256

ee3de250f55101c64af50e83462382c55be8ef4c49b14c9d7112f2994ae84da1
SHA512

dd1fc02f77ec290375b7dc5c94e472eae3872f03020870fa15d79db66ff0c35eced226569a22afe6d1c0a43117a85f752a66577756519fb18242675fa478b706
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X30E3aF:V6QFElP6n+gMQMOtEvwDpjyaHaXmF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012251-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012251-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2032	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3020	2024-01-28_756476e68c12d0fd9c4035fbc1d24062_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 3020 wrote to memory of 2032	3020	2024-01-28_756476e68c12d0fd9c4035fbc1d24062_cryptolocker.exe	28
PID 3020 wrote to memory of 2032	3020	2024-01-28_756476e68c12d0fd9c4035fbc1d24062_cryptolocker.exe	28
PID 3020 wrote to memory of 2032	3020	2024-01-28_756476e68c12d0fd9c4035fbc1d24062_cryptolocker.exe	28
PID 3020 wrote to memory of 2032	3020	2024-01-28_756476e68c12d0fd9c4035fbc1d24062_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_756476e68c12d0fd9c4035fbc1d24062_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_756476e68c12d0fd9c4035fbc1d24062_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2032

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
46KB

MD5
e81c3e39efd024fd64b4713a155e1e34

SHA1
f3f177e677a682434b131da7d1ecc9f352e6da03

SHA256
59eb9121ea55d85dc6d325a76a0a1d7f6cd7c2ba42d22e17f288537a2239c8d0

SHA512
0a9ebe1a07f9f0f7b849e587c1f543b3a5bcc810b4e703b28c5db368f93ec9bc3eab27f4b576052bae01f65b80986be66d0603dd2155660da3ca396600120c91

Download Submit
memory/2032-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2032-22-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/3020-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3020-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/3020-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download