1eecb5fab3eeef3a9b2504d4db9dbc9783dd5abe353596d942a1b8fc57a08865

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
23/05/2024, 19:41

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General

Target

2024-05-23_d9c3764ed2fbcc9035364392cb8274df_cryptolocker.exe
Size

73KB
MD5

d9c3764ed2fbcc9035364392cb8274df
SHA1

226f13668115eb57f8eaafdb3d65171515668b46
SHA256

1eecb5fab3eeef3a9b2504d4db9dbc9783dd5abe353596d942a1b8fc57a08865
SHA512

26c6b716c59fc1c2d79302d32fb28e752bec3f629511a09deb148cfa99473675587a2cb02558fa074fa43f2ff7327689a3baf4ff0b3b0abc80e6b69aa4759dfe
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMs8:u6QFElP6n+gWMOtEvwDpjJGYQb8

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f00000001227e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000f00000001227e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3044	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2116	2024-05-23_d9c3764ed2fbcc9035364392cb8274df_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 2116 wrote to memory of 3044	2116	2024-05-23_d9c3764ed2fbcc9035364392cb8274df_cryptolocker.exe	28
PID 2116 wrote to memory of 3044	2116	2024-05-23_d9c3764ed2fbcc9035364392cb8274df_cryptolocker.exe	28
PID 2116 wrote to memory of 3044	2116	2024-05-23_d9c3764ed2fbcc9035364392cb8274df_cryptolocker.exe	28
PID 2116 wrote to memory of 3044	2116	2024-05-23_d9c3764ed2fbcc9035364392cb8274df_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-23_d9c3764ed2fbcc9035364392cb8274df_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_d9c3764ed2fbcc9035364392cb8274df_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3044

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
74KB

MD5
fe92ff6bc1fa92a62449fb11bbdb7368

SHA1
120ff8c8573dcf839bf0100fbc2f181e2a4efacb

SHA256
312ffc9e05870fe8b99561106522053449d7513441f36c1d71ec938d8eb30a9a

SHA512
0c86555f221f174913a0ee3776c4c0c28fce2c79492cffacb44b9dd620fa15fbf7c2877e76841c04129c8a28cc4489eb5c5dc56c034980e8f0c6e9083dfa159c

Download Submit
memory/2116-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2116-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2116-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3044-22-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/3044-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download