5de7a0a3b5e3c038983e87285ecc9b440094e6bf2fc49bd996d3374cdaa7bacb

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 20:25

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General

Target

2024-04-16_e2038ec4fa4036d5a56b7a369055d3ee_cryptolocker.exe
Size

389KB
MD5

e2038ec4fa4036d5a56b7a369055d3ee
SHA1

148fc84fecc990acb375c1a89b7372929d07899a
SHA256

5de7a0a3b5e3c038983e87285ecc9b440094e6bf2fc49bd996d3374cdaa7bacb
SHA512

57fc3445639ae63eb1411b2609a015306013a1a5b8b75b0c150ba8a8cf0d716655b1f220ca5810b5765aab6077e1937e69804a656f8af743976e6d6359dbffbe
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXI:nnOflT/ZFIjBz3xjTxynGUOUhXI

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001233c-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2976	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
3012	2024-04-16_e2038ec4fa4036d5a56b7a369055d3ee_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 3012 wrote to memory of 2976	3012	2024-04-16_e2038ec4fa4036d5a56b7a369055d3ee_cryptolocker.exe	28
PID 3012 wrote to memory of 2976	3012	2024-04-16_e2038ec4fa4036d5a56b7a369055d3ee_cryptolocker.exe	28
PID 3012 wrote to memory of 2976	3012	2024-04-16_e2038ec4fa4036d5a56b7a369055d3ee_cryptolocker.exe	28
PID 3012 wrote to memory of 2976	3012	2024-04-16_e2038ec4fa4036d5a56b7a369055d3ee_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-16_e2038ec4fa4036d5a56b7a369055d3ee_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-16_e2038ec4fa4036d5a56b7a369055d3ee_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2976

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
389KB

MD5
3254dfcfe7bddddde78acd5435a3aa93

SHA1
7eeb7e7e0abb813efabdf644018de1d1039ab8c9

SHA256
c2d90f09fbca2a0a77c487eb733752339209e3103c0f983534661cce35b57d64

SHA512
8b7d528423c7d731afe68ebfe28a34584ff6f03912b231bc5943dcfef8cdfd649cbb789e25883860d481affb14b8027aaf3fbb9f5ca49414e9f12563d7b0e919

Download Submit
memory/2976-15-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/2976-22-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3012-0-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3012-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3012-8-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download