f128537f5de7f5961b2b81521d4ee970bed5c0ad400b11ebcf8c83adbb7cbea0

Analysis

max time kernel
147s
max time network
152s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
12/06/2024, 16:09

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General

Target

2024-06-12_fe63a9819b20d3f760f8ea7ad462fab7_cryptolocker.exe
Size

76KB
MD5

fe63a9819b20d3f760f8ea7ad462fab7
SHA1

344400a792d4110c104a0f0c4601d2f91daf1812
SHA256

f128537f5de7f5961b2b81521d4ee970bed5c0ad400b11ebcf8c83adbb7cbea0
SHA512

4c030160a95805c97a2fd1c976eceffd0ff827e1eb3473f078808fd0c59fbe5e6e914d3e707eb1734b6412ed6ce1c805cf60a2921330028705269b46f7f3018b
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLkx:X6a+SOtEvwDpjBZYvQd2q

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001226d-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001226d-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2608	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-06-12_fe63a9819b20d3f760f8ea7ad462fab7_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 2180 wrote to memory of 2608	2180	2024-06-12_fe63a9819b20d3f760f8ea7ad462fab7_cryptolocker.exe	28
PID 2180 wrote to memory of 2608	2180	2024-06-12_fe63a9819b20d3f760f8ea7ad462fab7_cryptolocker.exe	28
PID 2180 wrote to memory of 2608	2180	2024-06-12_fe63a9819b20d3f760f8ea7ad462fab7_cryptolocker.exe	28
PID 2180 wrote to memory of 2608	2180	2024-06-12_fe63a9819b20d3f760f8ea7ad462fab7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-12_fe63a9819b20d3f760f8ea7ad462fab7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-12_fe63a9819b20d3f760f8ea7ad462fab7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2608

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\asih.exe

Filesize
77KB

MD5
79459e488f35fb8b1a321d90a189fcc7

SHA1
b653648d848d2987089d4cab2a990bc6496b60e2

SHA256
c02807dce7afcbd44b6e5741a795078cf9a3932e49a65f863c50e9f26dedf3f1

SHA512
5d3e91eb0fa92a02f249ef0548d0ca3e7a6bb90f1b87ff960bf16678c36b10edc80f850ebe9a902f60dd81ea94a3229155d75323228b11dac282208fad3f8f1c

Download Submit
memory/2180-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2180-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2608-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download