49cf115e70704f9ef196d8cefe0abdbf5a8cccdca67f94dea8e8248dc3a956bd

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 07:32

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General

Target

2024-04-18_35276060ce475af2bc07e610a3bdbf76_cryptolocker.exe
Size

81KB
MD5

35276060ce475af2bc07e610a3bdbf76
SHA1

e5beadb85541d8e08c06b01a774b41bfc7371cc7
SHA256

49cf115e70704f9ef196d8cefe0abdbf5a8cccdca67f94dea8e8248dc3a956bd
SHA512

b48a24fe54542408d6aaba4f9e9ce8d96678683ae4872b52f291b994fe6dd56e3ac490b5a5b13552216fbe07c015b9c7e8769ab633af350aee72a9ffce51f135
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqV5:vCjsIOtEvwDpj5H9YvQd2m

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001222b-21.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001222b-21.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1616	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2724	2024-04-18_35276060ce475af2bc07e610a3bdbf76_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 2724 wrote to memory of 1616	2724	2024-04-18_35276060ce475af2bc07e610a3bdbf76_cryptolocker.exe	28
PID 2724 wrote to memory of 1616	2724	2024-04-18_35276060ce475af2bc07e610a3bdbf76_cryptolocker.exe	28
PID 2724 wrote to memory of 1616	2724	2024-04-18_35276060ce475af2bc07e610a3bdbf76_cryptolocker.exe	28
PID 2724 wrote to memory of 1616	2724	2024-04-18_35276060ce475af2bc07e610a3bdbf76_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-18_35276060ce475af2bc07e610a3bdbf76_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-18_35276060ce475af2bc07e610a3bdbf76_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1616

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
81KB

MD5
43bc0e636fa03e0d0d3542460aef68c4

SHA1
7c958a55378021843f0a4d20b75c92e5da06f947

SHA256
b751b395739abb7353c8325161a35e65e12e6dcbbc0a4d20d32ffedf46500f5e

SHA512
b468ff2d2642e896908c9e3b28f6e44eb62245ef5a73912d5d83ae960734ce5702f10495c8a795e8a78f4d82348a0818fd045bb2694cefc2f44716891eb40cb7

Download Submit
memory/1616-22-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1616-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2724-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2724-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2724-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download