24b6b1cfd0dd281424f048ba2ae9fb7b840c04a101b880b289dee82517a215ae

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 23:26

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General

Target

2024-03-14_1ff6c606041a80e1f3a7ce9c5c3620f2_cryptolocker.exe
Size

386KB
MD5

1ff6c606041a80e1f3a7ce9c5c3620f2
SHA1

f00045d236b8133d8661792f329f545157d81595
SHA256

24b6b1cfd0dd281424f048ba2ae9fb7b840c04a101b880b289dee82517a215ae
SHA512

029cd49e82ce7b4aa258623d3e8fae907ba30f982ba70d624ec3eb76d56721ceb85ac87c12e0997fe736d521a0939deb0d6454259af41bd13311d46dd59be8c5
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXj:nnOflT/ZFIjBz3xjTxynGUOUhXj

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012253-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2848	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2968	2024-03-14_1ff6c606041a80e1f3a7ce9c5c3620f2_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 2968 wrote to memory of 2848	2968	2024-03-14_1ff6c606041a80e1f3a7ce9c5c3620f2_cryptolocker.exe	28
PID 2968 wrote to memory of 2848	2968	2024-03-14_1ff6c606041a80e1f3a7ce9c5c3620f2_cryptolocker.exe	28
PID 2968 wrote to memory of 2848	2968	2024-03-14_1ff6c606041a80e1f3a7ce9c5c3620f2_cryptolocker.exe	28
PID 2968 wrote to memory of 2848	2968	2024-03-14_1ff6c606041a80e1f3a7ce9c5c3620f2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_1ff6c606041a80e1f3a7ce9c5c3620f2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_1ff6c606041a80e1f3a7ce9c5c3620f2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2848

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
97c56a744a6a59d78f83f389a6f4eeb6

SHA1
b9eed5bd37431c49ea98e18647c39a1e2953a4d3

SHA256
c36b31cf5cbb0ce01994ad88372c653e00c973d36d69139037c0b420cf4bc283

SHA512
5c9060cef9c5ee746ef55cd0700c90ec2a32d346d660b014561a05e9afc2d0a1e3103eee27ffbcc1e04811d04180bf2bc2b58e2bbeb665324526e3ec64b158d4

Download Submit
memory/2848-16-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2848-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2968-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2968-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2968-7-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download