0b49e5c97a8b2ef90e42c7340eb4b0f256c90455e7993f30252ddffd23692b67

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/03/2024, 04:33

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General

Target

2024-03-11_83ec512c0ea07479d38b4f168013a2e3_cryptolocker.exe
Size

125KB
MD5

83ec512c0ea07479d38b4f168013a2e3
SHA1

ab01633f2bbb42ba122415de239f1e27e35457f0
SHA256

0b49e5c97a8b2ef90e42c7340eb4b0f256c90455e7993f30252ddffd23692b67
SHA512

c75298e19da485acac3268d665ac76267da15c1d8323bf9c43410755b4b2ce8d5301fa0f7c30a1920ff1bbd566a78bce522649ff9064188441e33949c9e44286
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBqLig:vCA9OtEvwDpjq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012272-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012272-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2552	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2016	2024-03-11_83ec512c0ea07479d38b4f168013a2e3_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 2016 wrote to memory of 2552	2016	2024-03-11_83ec512c0ea07479d38b4f168013a2e3_cryptolocker.exe	28
PID 2016 wrote to memory of 2552	2016	2024-03-11_83ec512c0ea07479d38b4f168013a2e3_cryptolocker.exe	28
PID 2016 wrote to memory of 2552	2016	2024-03-11_83ec512c0ea07479d38b4f168013a2e3_cryptolocker.exe	28
PID 2016 wrote to memory of 2552	2016	2024-03-11_83ec512c0ea07479d38b4f168013a2e3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-11_83ec512c0ea07479d38b4f168013a2e3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-11_83ec512c0ea07479d38b4f168013a2e3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2552

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
125KB

MD5
5897b4e998fa3da2901497d79cf6edad

SHA1
9eb8e5c0151f90650a9ed9a083c23c39fb67f597

SHA256
13542d9c3707b5fed5e6ef67654e4be6873d50b4d7c0d490c532e247fc50d9c1

SHA512
3ea8878a64e2f93a9f375bdfc7c75a2467934a72ce7207253b849117b25fdf803556377bec763762958b43fa83efb4efaa2a90b1db1f68dd1c55b246570c2ef2

Download Submit
memory/2016-0-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2016-1-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2016-3-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2552-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2552-16-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download