7f988e3a23998e57784262affa784e9cc63ee9494ece3bf5274a7433f4ffab46

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2024, 04:25

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General

Target

Cryptor.exe
Size

2.9MB
MD5

4ca40d9d318d97d68fcb518e2c4fe07a
SHA1

5fc2e90b7bc1aa4d00c2dc9e0064056b3956e425
SHA256

7f988e3a23998e57784262affa784e9cc63ee9494ece3bf5274a7433f4ffab46
SHA512

bc3133b4c1da31037eaa2313e427161e7402be8e305e744bec00d294e6c7c95d5abba1bf45dbcf861935224d9213c190392443ca7447e0c6c71e512eb5dee7f2
SSDEEP

49152:yG3XVai+IaMqPPgeT+B2GDsp8aTvMf1p8LEh3ZDJgD3WIPvozJO7caDV2aK:yqXVD7deT+spnU80JDJi3WgQtAVDcaK

Score

7^/10

execution spyware stealer upx

Malware Config

Signatures

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3640-0-0x00007FF6643C0000-0x00007FF664907000-memory.dmp	upx
behavioral2/memory/3640-1-0x00007FF6643C0000-0x00007FF664907000-memory.dmp	upx
behavioral2/memory/3640-62-0x00007FF6643C0000-0x00007FF664907000-memory.dmp	upx

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4016	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4016	powershell.exe
4016	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4016	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3640 wrote to memory of 4016	3640	Cryptor.exe	90
PID 3640 wrote to memory of 4016	3640	Cryptor.exe	90

C:\Users\Admin\AppData\Local\Temp\Cryptor.exe
"C:\Users\Admin\AppData\Local\Temp\Cryptor.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3640
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -NoProfile -NonInteractive -NoLogo -Command "[Console]::OutputEncoding = [System.Text.Encoding]::UTF8; Get-Culture | Select -ExpandProperty DisplayName"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1gm4ixaq.ht4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\cKJ4vrsAwBVrkeJG2KfzUUJ0paWWCD\sensitive-files.zip

Filesize
4.8MB

MD5
57acdae1f641619dd6a7c102a44e7d76

SHA1
d1eff4c7a0a8235d2dda42bacc4cbc9666f11c56

SHA256
9331e03ec8990392bb0d61c75d14e6144b9d48781eef45c36b6df1cfc49eaec9

SHA512
0100170f90837c60bde10b267bc21bc45e3599918a0e030d59d275ab215acc80ec5dead65373e4a8a1a395c30794c11ac07fb01c8f94edc7ed7aa3633860782a

Download Submit
memory/3640-0-0x00007FF6643C0000-0x00007FF664907000-memory.dmp

Filesize
5.3MB

Download
memory/3640-1-0x00007FF6643C0000-0x00007FF664907000-memory.dmp

Filesize
5.3MB

Download
memory/3640-62-0x00007FF6643C0000-0x00007FF664907000-memory.dmp

Filesize
5.3MB

Download
memory/4016-4-0x00007FFA33253000-0x00007FFA33255000-memory.dmp

Filesize
8KB

Download
memory/4016-5-0x0000022CA3BE0000-0x0000022CA3C02000-memory.dmp

Filesize
136KB

Download
memory/4016-15-0x00007FFA33250000-0x00007FFA33D11000-memory.dmp

Filesize
10.8MB

Download
memory/4016-16-0x00007FFA33250000-0x00007FFA33D11000-memory.dmp

Filesize
10.8MB

Download
memory/4016-20-0x00007FFA33250000-0x00007FFA33D11000-memory.dmp

Filesize
10.8MB

Download