cryptbot | 8800daf821b7a067d07e5007f1a2205a684fd09ab8a5a0713f112e59ed34613b

Analysis

max time kernel
101s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2023, 08:11

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General

Target
SoftwareSetupMain.exe
Size 506KB
Sample230112-j3aaesfe52
SHA256 8800daf821b7a067d07e5007f1a2205a684fd09ab8a5a0713f112e59ed34613b
MD5 d6cbfb15591162a7f7c7c08656e200ca
SHA1 3187e8726eb5e43a35959310a0ff710399378a30
SHA512 8a72c15f9a973297d883aa2d31f95418834dc2ccf324853cccaa882fc0f0985b5e7b0c2c9a6ea5e4666fe16c9f546d71cc63ad7c3ab93ba9280e7956300f3a99
SSDEEP 6144:OFTTuhBBB0LL8e2KGxmBhvOfY268uLKJrPuAiPp9K9MFkARLmSLXtkEWU9:NnKGfYzquA69SMFkAQC/
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cryptbot spyware stealer

Malware Config

Extracted

Family

cryptbot

http://wuqdun211.top/gate.php

Attributes

payload_url
http://malwbo02.top/jigsaw.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
27	4984	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
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4984 set thread context of 4056	4984	powershell.exe	95

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	aspnet_compiler.exe
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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe
4984	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4984	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3368 wrote to memory of 4984	3368	SoftwareSetupMain.exe	84
PID 3368 wrote to memory of 4984	3368	SoftwareSetupMain.exe	84
PID 3368 wrote to memory of 4984	3368	SoftwareSetupMain.exe	84
PID 4984 wrote to memory of 4056	4984	powershell.exe	95
PID 4984 wrote to memory of 4056	4984	powershell.exe	95
PID 4984 wrote to memory of 4056	4984	powershell.exe	95
PID 4984 wrote to memory of 4056	4984	powershell.exe	95
PID 4984 wrote to memory of 4056	4984	powershell.exe	95
PID 4984 wrote to memory of 4056	4984	powershell.exe	95
PID 4984 wrote to memory of 4056	4984	powershell.exe	95
PID 4984 wrote to memory of 4056	4984	powershell.exe	95
PID 4984 wrote to memory of 4056	4984	powershell.exe	95
PID 4984 wrote to memory of 4056	4984	powershell.exe	95
PID 4984 wrote to memory of 4056	4984	powershell.exe	95

C:\Users\Admin\AppData\Local\Temp\SoftwareSetupMain.exe
"C:\Users\Admin\AppData\Local\Temp\SoftwareSetupMain.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3368
- 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:4984
- - 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:4056

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/3368-133-0x0000000005CD0000-0x0000000006274000-memory.dmp

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memory/3368-134-0x0000000005670000-0x0000000005702000-memory.dmp

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memory/3368-135-0x0000000005850000-0x000000000585A000-memory.dmp

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memory/3368-132-0x0000000000C30000-0x0000000000CB4000-memory.dmp

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memory/4056-153-0x0000000000400000-0x00000000004D7000-memory.dmp

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memory/4056-152-0x0000000000400000-0x00000000004D7000-memory.dmp

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memory/4056-151-0x0000000000400000-0x00000000004D7000-memory.dmp

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memory/4056-150-0x0000000000400000-0x00000000004D7000-memory.dmp

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memory/4056-149-0x0000000000400000-0x00000000004D7000-memory.dmp

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memory/4056-148-0x0000000000400000-0x00000000004D7000-memory.dmp

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memory/4984-137-0x0000000002400000-0x0000000002436000-memory.dmp

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memory/4984-144-0x00000000070C0000-0x0000000007136000-memory.dmp

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memory/4984-145-0x00000000077C0000-0x0000000007E3A000-memory.dmp

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memory/4984-146-0x0000000007140000-0x000000000715A000-memory.dmp

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memory/4984-143-0x0000000006F80000-0x0000000006FC4000-memory.dmp

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memory/4984-142-0x0000000005D90000-0x0000000005DAE000-memory.dmp

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memory/4984-141-0x0000000005680000-0x00000000056E6000-memory.dmp

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memory/4984-140-0x0000000004F00000-0x0000000004F66000-memory.dmp

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memory/4984-139-0x0000000004D60000-0x0000000004D82000-memory.dmp

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memory/4984-138-0x0000000004FE0000-0x0000000005608000-memory.dmp

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