2fcc9bc09b22d1206f8b6d118147c609b8856fed64fb220e7cdfaa5ae33bcab3

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 22:43

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General

Target

2024-03-26_df7f4309cdfa9e94131c97d9d6a5863b_cryptolocker.exe
Size

387KB
MD5

df7f4309cdfa9e94131c97d9d6a5863b
SHA1

9a61df779ef47a343714b42937c947b11b421210
SHA256

2fcc9bc09b22d1206f8b6d118147c609b8856fed64fb220e7cdfaa5ae33bcab3
SHA512

1585216b240b3ea96b763de33d643cb42f0fdc4735feee9185a9b8b0ed497f8d9a883448ffc0e3c533aaad8099de7640ccdd8873d3448a2914a51261b51033df
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXK:nnOflT/ZFIjBz3xjTxynGUOUhXK

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014b70-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2932	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1660	2024-03-26_df7f4309cdfa9e94131c97d9d6a5863b_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 1660 wrote to memory of 2932	1660	2024-03-26_df7f4309cdfa9e94131c97d9d6a5863b_cryptolocker.exe	28
PID 1660 wrote to memory of 2932	1660	2024-03-26_df7f4309cdfa9e94131c97d9d6a5863b_cryptolocker.exe	28
PID 1660 wrote to memory of 2932	1660	2024-03-26_df7f4309cdfa9e94131c97d9d6a5863b_cryptolocker.exe	28
PID 1660 wrote to memory of 2932	1660	2024-03-26_df7f4309cdfa9e94131c97d9d6a5863b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_df7f4309cdfa9e94131c97d9d6a5863b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_df7f4309cdfa9e94131c97d9d6a5863b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2932

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
387KB

MD5
de97ebabbab233b19a2a78254db9607b

SHA1
b2f282e5383eb3770f01214400c218da28c85fa0

SHA256
27c335b652dcc8f18e2b67ef409fb2b9c8e634daa5e855fdf39a1d06695175cf

SHA512
86da258aeb88be07a572df403b0c471181b4d255030b725ef83557151ece0ea9c96d42154711362c66248c6b7f2dd343be391dc4171a0e39c59abecbcd6327cd

Download Submit
memory/1660-0-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1660-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1660-7-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2932-15-0x0000000000710000-0x0000000000716000-memory.dmp

Filesize
24KB

Download
memory/2932-16-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download