15698a0d480ef42544e023c48faf6e66fbf159c54eedc999d1c303cdf32d772a

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
15-04-2024 17:29

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General

Target

2024-04-15_20e00a46acc0033d950d3ee8a76b010c_cryptolocker.exe
Size

126KB
MD5

20e00a46acc0033d950d3ee8a76b010c
SHA1

7331d2cb7c11827f762f5ddcf0b78fbf3e171682
SHA256

15698a0d480ef42544e023c48faf6e66fbf159c54eedc999d1c303cdf32d772a
SHA512

d7c6071df727aea99e7384a21557cf29433491f644fc51e6f3511a0712f512eb169608b40169d6577fcdc8f2d7ad5e434a1efa5f6b8217dbbd71e6ea50a76cd3
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxE4qde:vCA9OtEvwDpje

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000600000001208c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000600000001208c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1932	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2880	2024-04-15_20e00a46acc0033d950d3ee8a76b010c_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 2880 wrote to memory of 1932	2880	2024-04-15_20e00a46acc0033d950d3ee8a76b010c_cryptolocker.exe	28
PID 2880 wrote to memory of 1932	2880	2024-04-15_20e00a46acc0033d950d3ee8a76b010c_cryptolocker.exe	28
PID 2880 wrote to memory of 1932	2880	2024-04-15_20e00a46acc0033d950d3ee8a76b010c_cryptolocker.exe	28
PID 2880 wrote to memory of 1932	2880	2024-04-15_20e00a46acc0033d950d3ee8a76b010c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_20e00a46acc0033d950d3ee8a76b010c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_20e00a46acc0033d950d3ee8a76b010c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1932

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\misid.exe

Filesize
126KB

MD5
a7d6901d8b6c77fe13ea41fed989845e

SHA1
b24f35b0d6353ac3f7979a02e0c0e7f09b067afe

SHA256
efb4f12b763a5890ff73b84c48477293256ac64972807c7724b7f7c52d53944b

SHA512
4fbf5f9ff5d964e950aacbb37655ccc0f4972c1810154bf0356208de2a650906092797214579c32a93b92ee9f9a5a86e1bbd88e62159816f1cf59bb23708c175

Download Submit
memory/1932-15-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1932-22-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2880-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2880-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2880-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download