1717886f3b47be3fff126d8ec102a713ebad440b3bde70f8e084af41f1a9a162

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 04:14

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General

Target

2024-04-19_93709c9f30480fdc8a3ca601bfaf453b_cryptolocker.exe
Size

127KB
MD5

93709c9f30480fdc8a3ca601bfaf453b
SHA1

b7ad71110a19bec585b7666ab49cf8e400f45363
SHA256

1717886f3b47be3fff126d8ec102a713ebad440b3bde70f8e084af41f1a9a162
SHA512

fddf8ab1cc0774606d88c6f52c53faddc6c45d8a738dbfbb66d477aef40a3f41817d6faa6290e8bfb95ea7fed692e5d60a1fe15f983e27073812b1f2a0ef12ac
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//LITU:vCjsIOtEvwDpj5H9YvQd2R9

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001223a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001223a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2508	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1912	2024-04-19_93709c9f30480fdc8a3ca601bfaf453b_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 1912 wrote to memory of 2508	1912	2024-04-19_93709c9f30480fdc8a3ca601bfaf453b_cryptolocker.exe	28
PID 1912 wrote to memory of 2508	1912	2024-04-19_93709c9f30480fdc8a3ca601bfaf453b_cryptolocker.exe	28
PID 1912 wrote to memory of 2508	1912	2024-04-19_93709c9f30480fdc8a3ca601bfaf453b_cryptolocker.exe	28
PID 1912 wrote to memory of 2508	1912	2024-04-19_93709c9f30480fdc8a3ca601bfaf453b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-19_93709c9f30480fdc8a3ca601bfaf453b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-19_93709c9f30480fdc8a3ca601bfaf453b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2508

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
127KB

MD5
d7b386131a0d30fe86028c63dbc9b00b

SHA1
181c6edb55da9dac1c01cbbaeca96c2a5156b47e

SHA256
af0fcc87978f7323251a37e070bd0934fd43eafb485f55c64a1c5689baacf845

SHA512
9291edbd293c03c41b99755700ea8ac6ee21c4ac8fa7e4d9f2139e8902ec9750c1c0b66c201c87a8e09cc2b2f25a0dc71780a4780bcd7fbf3211bf8edc602ef4

Download Submit
memory/1912-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1912-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1912-2-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2508-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2508-20-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download