08b6c94f91eeebb1738b364dbf7f3b15f8821350321c58a17276313e5ae9c9e0

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
17/02/2024, 18:25

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General

Target

2024-02-17_26b29dfa4a8ae43a1f59163386ad040d_cryptolocker.exe
Size

50KB
MD5

26b29dfa4a8ae43a1f59163386ad040d
SHA1

206e78454f0afcccf95991ff71918962130fd088
SHA256

08b6c94f91eeebb1738b364dbf7f3b15f8821350321c58a17276313e5ae9c9e0
SHA512

21f0787d81a8dcc4e7c5b8bebe7118474f7e53e213dcd252f03fc0fe2ba46f8f4fb45cb9c6041105f9ca8af1ea5d141c8c5dda302ffd4f81d861cbfbfeba9b6a
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcafFCk:X6QFElP6n+gJBMOtEvwDpjBtExmlnFCk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012232-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012232-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2780	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2884	2024-02-17_26b29dfa4a8ae43a1f59163386ad040d_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 2884 wrote to memory of 2780	2884	2024-02-17_26b29dfa4a8ae43a1f59163386ad040d_cryptolocker.exe	28
PID 2884 wrote to memory of 2780	2884	2024-02-17_26b29dfa4a8ae43a1f59163386ad040d_cryptolocker.exe	28
PID 2884 wrote to memory of 2780	2884	2024-02-17_26b29dfa4a8ae43a1f59163386ad040d_cryptolocker.exe	28
PID 2884 wrote to memory of 2780	2884	2024-02-17_26b29dfa4a8ae43a1f59163386ad040d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_26b29dfa4a8ae43a1f59163386ad040d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_26b29dfa4a8ae43a1f59163386ad040d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2780

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
50KB

MD5
331090824658dd6700dfacbb5d7b223e

SHA1
8698bbb4bf47ef0d64ae5e3891c597da7b89c0d6

SHA256
262c63777507f85388b4cf65551904ed4b9fab0c11ab5b8e83cc63f4040a12a1

SHA512
a4419e290de4297954cc2c7a553984a3ab5d53a67355dfa6793102cf90fcc05dd116b7445280a721e1274855d04809aa6eff800716a6d2e55c16b8d9f74d2de8

Download Submit
memory/2780-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2780-18-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2884-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2884-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2884-7-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download