d17aa057b87a6957540d19e1f0683e84d941809b28f136ed9964e3e14ae1898d

Analysis

max time kernel
135s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11-04-2024 05:45

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General

Target

2024-04-11_f6665bcb4def12b9c24094998acacf07_cryptolocker.exe
Size

126KB
MD5

f6665bcb4def12b9c24094998acacf07
SHA1

1e62adec46e6e9c4bc7f06574cc41ce94db34afa
SHA256

d17aa057b87a6957540d19e1f0683e84d941809b28f136ed9964e3e14ae1898d
SHA512

a3ae0af93357e4d8153ccba6af1a215d6755f11c1e4424ec6b4ad530f150cb9f5cf25ab62585afb83f555b913d627691f7052f47791379cff207d3f40a9a0494
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpn:vCA9OtEvwDpjr

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014605-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000014605-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2144	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2092	2024-04-11_f6665bcb4def12b9c24094998acacf07_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 2092 wrote to memory of 2144	2092	2024-04-11_f6665bcb4def12b9c24094998acacf07_cryptolocker.exe	28
PID 2092 wrote to memory of 2144	2092	2024-04-11_f6665bcb4def12b9c24094998acacf07_cryptolocker.exe	28
PID 2092 wrote to memory of 2144	2092	2024-04-11_f6665bcb4def12b9c24094998acacf07_cryptolocker.exe	28
PID 2092 wrote to memory of 2144	2092	2024-04-11_f6665bcb4def12b9c24094998acacf07_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-11_f6665bcb4def12b9c24094998acacf07_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-11_f6665bcb4def12b9c24094998acacf07_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2144

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
596ba18a219cf00bed6e16adb9b2b925

SHA1
eb93c4703a5866a87782385ed03193346bed5b43

SHA256
c78fc9f8b87d3a2028a7cd612326b229d4708b5288d3916d6c8fa46ed677a98a

SHA512
f2b8ac79e96cea75012d3c3cb4a9705c14eb76061a03c328d6cea77d2ad2b6c0957a6873d598f09497d99fc01149a6b626b5b37aa238b3b35198cdae1cb49714

Download Submit
memory/2092-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2092-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2092-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2144-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2144-17-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download