d2cb4984d9de7e832f5412585477ee43f6a28c7099cc6a9cd523cc913cb260cd

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/04/2024, 19:07

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General

Target

2024-04-10_f51e5e665c03ae44953c5bfd0278b30e_cryptolocker.exe
Size

61KB
MD5

f51e5e665c03ae44953c5bfd0278b30e
SHA1

cdf28b43cfa9037c9b1ec0f1cfbd65c33ff50344
SHA256

d2cb4984d9de7e832f5412585477ee43f6a28c7099cc6a9cd523cc913cb260cd
SHA512

a4f8b2bfb74c52d856c673e9bd760d339aa304a930a5788c7ce6f8009b9b380b9884f279391da731530df7756ea429038157e0f8380cba5d2c88809a9ba47409
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJT/EZjh:ZVxkGOtEvwDpjcOY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 2 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224f-11.dat	CryptoLocker_rule2
behavioral1/memory/2148-15-0x0000000000280000-0x0000000000286000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2148	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1948	2024-04-10_f51e5e665c03ae44953c5bfd0278b30e_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 1948 wrote to memory of 2148	1948	2024-04-10_f51e5e665c03ae44953c5bfd0278b30e_cryptolocker.exe	28
PID 1948 wrote to memory of 2148	1948	2024-04-10_f51e5e665c03ae44953c5bfd0278b30e_cryptolocker.exe	28
PID 1948 wrote to memory of 2148	1948	2024-04-10_f51e5e665c03ae44953c5bfd0278b30e_cryptolocker.exe	28
PID 1948 wrote to memory of 2148	1948	2024-04-10_f51e5e665c03ae44953c5bfd0278b30e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-10_f51e5e665c03ae44953c5bfd0278b30e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-10_f51e5e665c03ae44953c5bfd0278b30e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2148

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
61KB

MD5
7f9701ba5c6edd338576be3835855916

SHA1
2eab73d15e9c141c0ad3cf9305d21a0b17f91aa9

SHA256
112677a7a3ac08803cbe6ce96abdebccf8d005b179d2389603c0d8ee224f03b9

SHA512
314d37b28944887fe4f11527b4898ba7d57a6dad56d903cbff644a8ae74c4b39d844f448fb6d28b733b766f438cbfe71c999855994b28bd184c3f3eb6e065524

Download Submit
memory/1948-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1948-0-0x0000000000230000-0x0000000000270000-memory.dmp

Filesize
256KB

Download
memory/1948-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1948-9-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1948-16-0x0000000000230000-0x0000000000270000-memory.dmp

Filesize
256KB

Download
memory/2148-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2148-18-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2148-20-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2148-26-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download