cryptbot | eb4e54c1372f7002b2b49a9918e67f84d65e52f1b12c5b7313420a48d5305e41

Analysis

max time kernel
122s
max time network
151s
platform
windows10_x64
resource
win10v20210408
submitted
15-07-2021 09:51

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General

Target

ec36989321fb62bb857a24a53d1491fd.exe
Size

694KB
MD5

ec36989321fb62bb857a24a53d1491fd
SHA1

28de531b6da8f80b0452c109dcf30bc1efee23f9
SHA256

eb4e54c1372f7002b2b49a9918e67f84d65e52f1b12c5b7313420a48d5305e41
SHA512

e71009f296d2b9cb07c6a30fe0798db527aa756177478116b53067e8b55ae17d2ebdb7b4ecb9587fe052d424fa643e9bf3ecd0821d613a0545f8546702c722b7

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/1400-114-0x00000000028F0000-0x00000000029C1000-memory.dmp	family_cryptbot
behavioral2/memory/1400-115-0x0000000000400000-0x0000000000A28000-memory.dmp	family_cryptbot

Blocklisted process makes network request 4 IoCs

flow	pid	Process
37	604	WScript.exe
39	604	WScript.exe
41	604	WScript.exe
43	604	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 7 IoCs

pid	Process
3144	NMhjlYkYHKMW.exe
744	vpn.exe
3948	4.exe
2904	Voi.exe.com
1824	Voi.exe.com
1456	SmartClock.exe
3172	mauwkgtnlnvh.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
3144	NMhjlYkYHKMW.exe
3956	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	NMhjlYkYHKMW.exe
File created	C:\Program Files (x86)\foler\olader\adprovider.dll	NMhjlYkYHKMW.exe
File created	C:\Program Files (x86)\foler\olader\acledit.dll	NMhjlYkYHKMW.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ec36989321fb62bb857a24a53d1491fd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ec36989321fb62bb857a24a53d1491fd.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Voi.exe.com
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Voi.exe.com

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_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
1188	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1456	SmartClock.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 3144	1400	ec36989321fb62bb857a24a53d1491fd.exe	78
PID 1400 wrote to memory of 3144	1400	ec36989321fb62bb857a24a53d1491fd.exe	78
PID 1400 wrote to memory of 3144	1400	ec36989321fb62bb857a24a53d1491fd.exe	78
PID 3144 wrote to memory of 744	3144	NMhjlYkYHKMW.exe	79
PID 3144 wrote to memory of 744	3144	NMhjlYkYHKMW.exe	79
PID 3144 wrote to memory of 744	3144	NMhjlYkYHKMW.exe	79
PID 3144 wrote to memory of 3948	3144	NMhjlYkYHKMW.exe	80
PID 3144 wrote to memory of 3948	3144	NMhjlYkYHKMW.exe	80
PID 3144 wrote to memory of 3948	3144	NMhjlYkYHKMW.exe	80
PID 744 wrote to memory of 1228	744	vpn.exe	81
PID 744 wrote to memory of 1228	744	vpn.exe	81
PID 744 wrote to memory of 1228	744	vpn.exe	81
PID 1228 wrote to memory of 2992	1228	cmd.exe	83
PID 1228 wrote to memory of 2992	1228	cmd.exe	83
PID 1228 wrote to memory of 2992	1228	cmd.exe	83
PID 2992 wrote to memory of 2096	2992	cmd.exe	84
PID 2992 wrote to memory of 2096	2992	cmd.exe	84
PID 2992 wrote to memory of 2096	2992	cmd.exe	84
PID 2992 wrote to memory of 2904	2992	cmd.exe	85
PID 2992 wrote to memory of 2904	2992	cmd.exe	85
PID 2992 wrote to memory of 2904	2992	cmd.exe	85
PID 2992 wrote to memory of 1188	2992	cmd.exe	86
PID 2992 wrote to memory of 1188	2992	cmd.exe	86
PID 2992 wrote to memory of 1188	2992	cmd.exe	86
PID 2904 wrote to memory of 1824	2904	Voi.exe.com	87
PID 2904 wrote to memory of 1824	2904	Voi.exe.com	87
PID 2904 wrote to memory of 1824	2904	Voi.exe.com	87
PID 3948 wrote to memory of 1456	3948	4.exe	88
PID 3948 wrote to memory of 1456	3948	4.exe	88
PID 3948 wrote to memory of 1456	3948	4.exe	88
PID 1824 wrote to memory of 3172	1824	Voi.exe.com	89
PID 1824 wrote to memory of 3172	1824	Voi.exe.com	89
PID 1824 wrote to memory of 3172	1824	Voi.exe.com	89
PID 1824 wrote to memory of 2300	1824	Voi.exe.com	90
PID 1824 wrote to memory of 2300	1824	Voi.exe.com	90
PID 1824 wrote to memory of 2300	1824	Voi.exe.com	90
PID 1824 wrote to memory of 604	1824	Voi.exe.com	91
PID 1824 wrote to memory of 604	1824	Voi.exe.com	91
PID 1824 wrote to memory of 604	1824	Voi.exe.com	91
PID 3172 wrote to memory of 3956	3172	mauwkgtnlnvh.exe	92
PID 3172 wrote to memory of 3956	3172	mauwkgtnlnvh.exe	92
PID 3172 wrote to memory of 3956	3172	mauwkgtnlnvh.exe	92

C:\Users\Admin\AppData\Local\Temp\ec36989321fb62bb857a24a53d1491fd.exe
"C:\Users\Admin\AppData\Local\Temp\ec36989321fb62bb857a24a53d1491fd.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Users\Admin\AppData\Local\Temp\NMhjlYkYHKMW.exe
  "C:\Users\Admin\AppData\Local\Temp\NMhjlYkYHKMW.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:3144
- - 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:744
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c cmd < Bianchi.ppsm
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1228
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2992
      - C:\Windows\SysWOW64\findstr.exe
        
        findstr /V /R "^ahMoGSRFPvYGRbZRASvPhIMskIHSqfHwlgeTRduArwTXhLwonqjVmJPKAcWXlZFmPWvDcuZlLWLkOPrAGmzZ$" Accorrendo.ppsm
        6⤵
        
        PID:2096
      - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Voi.exe.com
        
        Voi.exe.com v
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2904
        
        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:1824
        
        C:\Users\Admin\AppData\Local\Temp\mauwkgtnlnvh.exe
        
        "C:\Users\Admin\AppData\Local\Temp\mauwkgtnlnvh.exe"
        8⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:3172
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\MAUWKG~1.DLL,s C:\Users\Admin\AppData\Local\Temp\MAUWKG~1.EXE
        9⤵
        Loads dropped DLL
        
        PID:3956
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\rsphxvqx.vbs"
        8⤵
        
        PID:2300
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\hhlapyl.vbs"
        8⤵
        Blocklisted process makes network request
        Modifies system certificate store
        
        PID:604
      - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 30
        6⤵
        Runs ping.exe
        
        PID:1188
- - 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:3948
  - - 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:1456

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/1400-115-0x0000000000400000-0x0000000000A28000-memory.dmp

Filesize
6.2MB

Download
memory/1400-114-0x00000000028F0000-0x00000000029C1000-memory.dmp

Filesize
836KB

Download
memory/1456-144-0x00000000024D0000-0x00000000024F6000-memory.dmp

Filesize
152KB

Download
memory/1456-145-0x0000000000400000-0x00000000009BE000-memory.dmp

Filesize
5.7MB

Download
memory/1824-146-0x0000000000890000-0x0000000000891000-memory.dmp

Filesize
4KB

Download
memory/3172-153-0x00000000029A0000-0x0000000002B8B000-memory.dmp

Filesize
1.9MB

Download
memory/3172-154-0x0000000000400000-0x0000000000AED000-memory.dmp

Filesize
6.9MB

Download
memory/3948-143-0x0000000000400000-0x00000000009BE000-memory.dmp

Filesize
5.7MB

Download
memory/3948-142-0x00000000009C0000-0x0000000000B0A000-memory.dmp

Filesize
1.3MB

Download