9a660c72bed50f2e339488d4b323ea592693b3109499956880067a2396119bcc

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14-02-2024 13:47

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General

Target

2024-02-14_89d773d410f0d1329ae4d7d96da5bb22_cryptolocker.exe
Size

126KB
MD5

89d773d410f0d1329ae4d7d96da5bb22
SHA1

0f3bee7698340924085b966542a7c97128232f61
SHA256

9a660c72bed50f2e339488d4b323ea592693b3109499956880067a2396119bcc
SHA512

8c8beae0f3cd96bd8fdac23eccb7c79b0e403235706deed51fb729c32cb5b061268e12374efb7ac83ef651f3566e4cf8ce62cefd9a57524041b3febbef248c7f
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpR/gun:vCA9OtEvwDpjX

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000142c4-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000142c4-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2840	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2344	2024-02-14_89d773d410f0d1329ae4d7d96da5bb22_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 2344 wrote to memory of 2840	2344	2024-02-14_89d773d410f0d1329ae4d7d96da5bb22_cryptolocker.exe	28
PID 2344 wrote to memory of 2840	2344	2024-02-14_89d773d410f0d1329ae4d7d96da5bb22_cryptolocker.exe	28
PID 2344 wrote to memory of 2840	2344	2024-02-14_89d773d410f0d1329ae4d7d96da5bb22_cryptolocker.exe	28
PID 2344 wrote to memory of 2840	2344	2024-02-14_89d773d410f0d1329ae4d7d96da5bb22_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_89d773d410f0d1329ae4d7d96da5bb22_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_89d773d410f0d1329ae4d7d96da5bb22_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2840

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
126KB

MD5
3b943a80ac53f4e9cab8142a060e6fb9

SHA1
11fa3637f772dcd48d8fd71a26911d94510ba07c

SHA256
0c5cae4991de914155fbd8d714457a307c42a5ab5f2bbeb4d158389b268e80e4

SHA512
7557aec125ac81abb8fdd14769ea7ec2c9844122493e71fa4dbbd66e8ef47bdbb087b6a034a2f03c3fa9f8bd3abdfdf57e0b56a0e7d5fa902a03cfddeddc0893

Download Submit
memory/2344-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2344-4-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2344-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2840-16-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2840-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download