cryptbot | df85a38611751933558ef9e7da81e81025ffc5e5e92cedaf4d97fb0b9f147422

Analysis

max time kernel
115s
max time network
119s
platform
windows10_x64
resource
win10v20210410
submitted
15-07-2021 09:37

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General

Target

33a16e2862754c9f4bc6711a4517dac4.exe
Size

676KB
MD5

33a16e2862754c9f4bc6711a4517dac4
SHA1

841aa45a975c073ed25627fba062bad741de97cc
SHA256

df85a38611751933558ef9e7da81e81025ffc5e5e92cedaf4d97fb0b9f147422
SHA512

b1b34246d33cf916a4b5d4899a46139be4d3ac4aaa2279080e92e4e5090670902a42dccbcf90a382ddafda4449e8ba3da3b52e11c7ff859744e88f13b82913ba

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

wymbdu42.top

morkus04.top

Attributes

payload_url
http://hofiwb05.top/download.php?file=lv.exe

Signatures

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

CryptBot Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3904-114-0x00000000026E0000-0x00000000027B1000-memory.dmp	family_cryptbot
behavioral2/memory/3904-115-0x0000000000400000-0x0000000000A24000-memory.dmp	family_cryptbot

Blocklisted process makes network request 4 IoCs

flow	pid	Process
39	3932	WScript.exe
41	3932	WScript.exe
43	3932	WScript.exe
45	3932	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 7 IoCs

pid	Process
3344	WJAosvQKwN.exe
3296	vpn.exe
3920	4.exe
4000	Voi.exe.com
3512	Voi.exe.com
2388	SmartClock.exe
2656	puxjolgm.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk	4.exe

Loads dropped DLL 2 IoCs

pid	Process
3344	WJAosvQKwN.exe
2772	rundll32.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
23	ip-api.com

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\foler\olader\acppage.dll	WJAosvQKwN.exe
File created	C:\Program Files (x86)\foler\olader\adprovider.dll	WJAosvQKwN.exe
File created	C:\Program Files (x86)\foler\olader\acledit.dll	WJAosvQKwN.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 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\ProcessorNameString	Voi.exe.com
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	33a16e2862754c9f4bc6711a4517dac4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	33a16e2862754c9f4bc6711a4517dac4.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Voi.exe.com

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings	Voi.exe.com

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	WScript.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	WScript.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2728	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2388	SmartClock.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 3344	3904	33a16e2862754c9f4bc6711a4517dac4.exe	79
PID 3904 wrote to memory of 3344	3904	33a16e2862754c9f4bc6711a4517dac4.exe	79
PID 3904 wrote to memory of 3344	3904	33a16e2862754c9f4bc6711a4517dac4.exe	79
PID 3344 wrote to memory of 3296	3344	WJAosvQKwN.exe	80
PID 3344 wrote to memory of 3296	3344	WJAosvQKwN.exe	80
PID 3344 wrote to memory of 3296	3344	WJAosvQKwN.exe	80
PID 3344 wrote to memory of 3920	3344	WJAosvQKwN.exe	81
PID 3344 wrote to memory of 3920	3344	WJAosvQKwN.exe	81
PID 3344 wrote to memory of 3920	3344	WJAosvQKwN.exe	81
PID 3296 wrote to memory of 3988	3296	vpn.exe	82
PID 3296 wrote to memory of 3988	3296	vpn.exe	82
PID 3296 wrote to memory of 3988	3296	vpn.exe	82
PID 3988 wrote to memory of 1572	3988	cmd.exe	84
PID 3988 wrote to memory of 1572	3988	cmd.exe	84
PID 3988 wrote to memory of 1572	3988	cmd.exe	84
PID 1572 wrote to memory of 1456	1572	cmd.exe	85
PID 1572 wrote to memory of 1456	1572	cmd.exe	85
PID 1572 wrote to memory of 1456	1572	cmd.exe	85
PID 1572 wrote to memory of 4000	1572	cmd.exe	86
PID 1572 wrote to memory of 4000	1572	cmd.exe	86
PID 1572 wrote to memory of 4000	1572	cmd.exe	86
PID 1572 wrote to memory of 2728	1572	cmd.exe	87
PID 1572 wrote to memory of 2728	1572	cmd.exe	87
PID 1572 wrote to memory of 2728	1572	cmd.exe	87
PID 4000 wrote to memory of 3512	4000	Voi.exe.com	88
PID 4000 wrote to memory of 3512	4000	Voi.exe.com	88
PID 4000 wrote to memory of 3512	4000	Voi.exe.com	88
PID 3920 wrote to memory of 2388	3920	4.exe	89
PID 3920 wrote to memory of 2388	3920	4.exe	89
PID 3920 wrote to memory of 2388	3920	4.exe	89
PID 3512 wrote to memory of 2656	3512	Voi.exe.com	92
PID 3512 wrote to memory of 2656	3512	Voi.exe.com	92
PID 3512 wrote to memory of 2656	3512	Voi.exe.com	92
PID 3512 wrote to memory of 2964	3512	Voi.exe.com	93
PID 3512 wrote to memory of 2964	3512	Voi.exe.com	93
PID 3512 wrote to memory of 2964	3512	Voi.exe.com	93
PID 3512 wrote to memory of 3932	3512	Voi.exe.com	94
PID 3512 wrote to memory of 3932	3512	Voi.exe.com	94
PID 3512 wrote to memory of 3932	3512	Voi.exe.com	94
PID 2656 wrote to memory of 2772	2656	puxjolgm.exe	95
PID 2656 wrote to memory of 2772	2656	puxjolgm.exe	95
PID 2656 wrote to memory of 2772	2656	puxjolgm.exe	95

C:\Users\Admin\AppData\Local\Temp\33a16e2862754c9f4bc6711a4517dac4.exe
"C:\Users\Admin\AppData\Local\Temp\33a16e2862754c9f4bc6711a4517dac4.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Users\Admin\AppData\Local\Temp\WJAosvQKwN.exe
  "C:\Users\Admin\AppData\Local\Temp\WJAosvQKwN.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:3344
- - C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe
    "C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3296
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c cmd < Bianchi.ppsm
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3988
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1572
      - C:\Windows\SysWOW64\findstr.exe
        
        findstr /V /R "^ahMoGSRFPvYGRbZRASvPhIMskIHSqfHwlgeTRduArwTXhLwonqjVmJPKAcWXlZFmPWvDcuZlLWLkOPrAGmzZ$" Accorrendo.ppsm
        6⤵
        
        PID:1456
      - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Voi.exe.com
        
        Voi.exe.com v
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:4000
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Voi.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Voi.exe.com v
        7⤵
        Executes dropped EXE
        Checks processor information in registry
        Modifies registry class
        Suspicious use of WriteProcessMemory
        
        PID:3512
        
        C:\Users\Admin\AppData\Local\Temp\puxjolgm.exe
        
        "C:\Users\Admin\AppData\Local\Temp\puxjolgm.exe"
        8⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2656
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\PUXJOL~1.DLL,s C:\Users\Admin\AppData\Local\Temp\puxjolgm.exe
        9⤵
        Loads dropped DLL
        
        PID:2772
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\rwkghkmmh.vbs"
        8⤵
        
        PID:2964
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\yrhkesgu.vbs"
        8⤵
        Blocklisted process makes network request
        Modifies system certificate store
        
        PID:3932
      - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 30
        6⤵
        Runs ping.exe
        
        PID:2728
- - C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe
    "C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe"
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Suspicious use of WriteProcessMemory
    PID:3920
  - - C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
      "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: AddClipboardFormatListener
      PID:2388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Web Service

T1102

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/2388-144-0x0000000000AB0000-0x0000000000BFA000-memory.dmp

Filesize
1.3MB

Download
memory/2388-145-0x0000000000400000-0x00000000009BE000-memory.dmp

Filesize
5.7MB

Download
memory/2656-153-0x0000000002A20000-0x0000000002C0B000-memory.dmp

Filesize
1.9MB

Download
memory/2656-154-0x0000000000400000-0x0000000000AED000-memory.dmp

Filesize
6.9MB

Download
memory/3512-146-0x0000000000960000-0x0000000000961000-memory.dmp

Filesize
4KB

Download
memory/3904-115-0x0000000000400000-0x0000000000A24000-memory.dmp

Filesize
6.1MB

Download
memory/3904-114-0x00000000026E0000-0x00000000027B1000-memory.dmp

Filesize
836KB

Download
memory/3920-142-0x00000000025B0000-0x00000000025D6000-memory.dmp

Filesize
152KB

Download
memory/3920-143-0x0000000000400000-0x00000000009BE000-memory.dmp

Filesize
5.7MB

Download