cryptbot | 6fb329bcf5ca14e6e33b5885f9a763dcbddd60d6328017046437ed74a0019658

Analysis

max time kernel
126s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2022, 15:44

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General

Target
AppSetup.exe
Size 25.2MB
Sample221231-s6nrnada91
SHA256 6fb329bcf5ca14e6e33b5885f9a763dcbddd60d6328017046437ed74a0019658
MD5 5b7ed610b565e03d6e39c317047b9366
SHA1 e3e24adab846da04e3ebf8cce970fc88a0007083
SHA512 a7cf712711f5adad3285dabda5c2ac02abb8a39f10e739319db2bcf6eab25c1793fd562bfa133ca7c8530d13b3dd7780fe4b0c96f501773477864b21c634efa1
SSDEEP 196608:asF8oTaj3g2guPfSsS0/ct6WzLXzZtM+HDxS0/ct2:terg2guyLN8m/Z2SD0NY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cryptbot spyware stealer

Malware Config

Extracted

Family

cryptbot

http://luvyku45.top/gate.php

Attributes

payload_url
http://kihaws05.top/falcon.dat

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot

Blocklisted process makes network request 1 IoCs

flow	pid	Process
14	1628	powershell.exe

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

Data from Local System
T1005

Credentials in Files
T1081

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	aspnet_compiler.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	aspnet_compiler.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 26 IoCs

pid	Process
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 3784	1628	powershell.exe	90

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	aspnet_compiler.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	aspnet_compiler.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	aspnet_compiler.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe
1628	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1628	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 1628	4576	AppSetup.exe	81
PID 4576 wrote to memory of 1628	4576	AppSetup.exe	81
PID 4576 wrote to memory of 1628	4576	AppSetup.exe	81
PID 1628 wrote to memory of 3784	1628	powershell.exe	90
PID 1628 wrote to memory of 3784	1628	powershell.exe	90
PID 1628 wrote to memory of 3784	1628	powershell.exe	90
PID 1628 wrote to memory of 3784	1628	powershell.exe	90
PID 1628 wrote to memory of 3784	1628	powershell.exe	90
PID 1628 wrote to memory of 3784	1628	powershell.exe	90
PID 1628 wrote to memory of 3784	1628	powershell.exe	90
PID 1628 wrote to memory of 3784	1628	powershell.exe	90
PID 1628 wrote to memory of 3784	1628	powershell.exe	90
PID 1628 wrote to memory of 3784	1628	powershell.exe	90
PID 1628 wrote to memory of 3784	1628	powershell.exe	90

C:\Users\Admin\AppData\Local\Temp\AppSetup.exe
"C:\Users\Admin\AppData\Local\Temp\AppSetup.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:/Windows/SysWOW64/WindowsPowerShell/v1.0/powershell.exe"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET/Framework/v4.0.30319/aspnet_compiler.exe
    3⤵
    - Maps connected drives based on registry
    - Checks processor information in registry
    PID:3784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1628-142-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

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memory/1628-143-0x0000000006040000-0x0000000006084000-memory.dmp

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memory/1628-146-0x0000000006E60000-0x0000000006E7A000-memory.dmp

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memory/1628-145-0x00000000074E0000-0x0000000007B5A000-memory.dmp

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memory/1628-137-0x00000000044F0000-0x0000000004526000-memory.dmp

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memory/1628-138-0x0000000004BD0000-0x00000000051F8000-memory.dmp

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memory/1628-139-0x0000000004AE0000-0x0000000004B02000-memory.dmp

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memory/1628-140-0x0000000005270000-0x00000000052D6000-memory.dmp

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memory/1628-144-0x0000000006DE0000-0x0000000006E56000-memory.dmp

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memory/1628-141-0x0000000005450000-0x00000000054B6000-memory.dmp

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memory/3784-148-0x0000000000400000-0x00000000004D8000-memory.dmp

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memory/3784-149-0x0000000000400000-0x00000000004D8000-memory.dmp

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memory/3784-150-0x0000000000400000-0x00000000004D8000-memory.dmp

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memory/3784-151-0x0000000000400000-0x00000000004D8000-memory.dmp

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memory/3784-152-0x0000000000400000-0x00000000004D8000-memory.dmp

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memory/3784-153-0x0000000000400000-0x00000000004D8000-memory.dmp

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memory/4576-132-0x0000000000F40000-0x00000000017C0000-memory.dmp

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memory/4576-133-0x0000000008060000-0x0000000008604000-memory.dmp

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memory/4576-135-0x0000000007B40000-0x0000000007B4A000-memory.dmp

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memory/4576-134-0x0000000007B90000-0x0000000007C22000-memory.dmp

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