cryptbot | 949b755ce7ba4afeffe8c261141b77bca5f443761aa062936141ed94b737e848

Analysis

max time kernel
114s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
14-07-2021 15:12

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General

Target

856bf12bf3ecb5b5a388a0a58f99be9b.exe
Size

656KB
MD5

856bf12bf3ecb5b5a388a0a58f99be9b
SHA1

6b632e17a4ab106806d378f598f0904906eec1e4
SHA256

949b755ce7ba4afeffe8c261141b77bca5f443761aa062936141ed94b737e848
SHA512

98903e3763d43c2983b132029a215a9dc0c83ea4a4e9af8e2530b1f6c655162be12b7e18a79c62f1965c75d5855a761962d114ef4d41d87da06d341b5a5302da

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

wymbhy32.top

moriue03.top

Attributes

payload_url
http://hofxuo04.top/download.php?file=lv.exe

Signatures

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

CryptBot Payload 3 IoCs

resource	yara_rule
behavioral2/memory/2116-115-0x0000000000400000-0x0000000000A10000-memory.dmp	family_cryptbot
behavioral2/memory/2116-114-0x0000000002620000-0x00000000026F1000-memory.dmp	family_cryptbot
behavioral2/memory/752-138-0x0000000002C00000-0x0000000002D4A000-memory.dmp	family_cryptbot

Blocklisted process makes network request 4 IoCs

flow	pid	Process
38	3140	WScript.exe
40	3140	WScript.exe
42	3140	WScript.exe
44	3140	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 7 IoCs

pid	Process
3984	xAPxbCeXaaMVED.exe
3288	vpn.exe
752	4.exe
3932	Ricordarti.exe.com
2768	Ricordarti.exe.com
2044	SmartClock.exe
520	vijxoht.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
3984	xAPxbCeXaaMVED.exe
2116	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
22	ip-api.com

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\foler\olader\acppage.dll	xAPxbCeXaaMVED.exe
File created	C:\Program Files (x86)\foler\olader\adprovider.dll	xAPxbCeXaaMVED.exe
File created	C:\Program Files (x86)\foler\olader\acledit.dll	xAPxbCeXaaMVED.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	856bf12bf3ecb5b5a388a0a58f99be9b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	856bf12bf3ecb5b5a388a0a58f99be9b.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Ricordarti.exe.com
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Ricordarti.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	Ricordarti.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
904	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2044	SmartClock.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 3984	2116	856bf12bf3ecb5b5a388a0a58f99be9b.exe	79
PID 2116 wrote to memory of 3984	2116	856bf12bf3ecb5b5a388a0a58f99be9b.exe	79
PID 2116 wrote to memory of 3984	2116	856bf12bf3ecb5b5a388a0a58f99be9b.exe	79
PID 3984 wrote to memory of 3288	3984	xAPxbCeXaaMVED.exe	80
PID 3984 wrote to memory of 3288	3984	xAPxbCeXaaMVED.exe	80
PID 3984 wrote to memory of 3288	3984	xAPxbCeXaaMVED.exe	80
PID 3984 wrote to memory of 752	3984	xAPxbCeXaaMVED.exe	81
PID 3984 wrote to memory of 752	3984	xAPxbCeXaaMVED.exe	81
PID 3984 wrote to memory of 752	3984	xAPxbCeXaaMVED.exe	81
PID 3288 wrote to memory of 3976	3288	vpn.exe	82
PID 3288 wrote to memory of 3976	3288	vpn.exe	82
PID 3288 wrote to memory of 3976	3288	vpn.exe	82
PID 3976 wrote to memory of 2348	3976	cmd.exe	84
PID 3976 wrote to memory of 2348	3976	cmd.exe	84
PID 3976 wrote to memory of 2348	3976	cmd.exe	84
PID 2348 wrote to memory of 1552	2348	cmd.exe	85
PID 2348 wrote to memory of 1552	2348	cmd.exe	85
PID 2348 wrote to memory of 1552	2348	cmd.exe	85
PID 2348 wrote to memory of 3932	2348	cmd.exe	86
PID 2348 wrote to memory of 3932	2348	cmd.exe	86
PID 2348 wrote to memory of 3932	2348	cmd.exe	86
PID 2348 wrote to memory of 904	2348	cmd.exe	87
PID 2348 wrote to memory of 904	2348	cmd.exe	87
PID 2348 wrote to memory of 904	2348	cmd.exe	87
PID 3932 wrote to memory of 2768	3932	Ricordarti.exe.com	88
PID 3932 wrote to memory of 2768	3932	Ricordarti.exe.com	88
PID 3932 wrote to memory of 2768	3932	Ricordarti.exe.com	88
PID 752 wrote to memory of 2044	752	4.exe	89
PID 752 wrote to memory of 2044	752	4.exe	89
PID 752 wrote to memory of 2044	752	4.exe	89
PID 2768 wrote to memory of 520	2768	Ricordarti.exe.com	92
PID 2768 wrote to memory of 520	2768	Ricordarti.exe.com	92
PID 2768 wrote to memory of 520	2768	Ricordarti.exe.com	92
PID 2768 wrote to memory of 940	2768	Ricordarti.exe.com	93
PID 2768 wrote to memory of 940	2768	Ricordarti.exe.com	93
PID 2768 wrote to memory of 940	2768	Ricordarti.exe.com	93
PID 2768 wrote to memory of 3140	2768	Ricordarti.exe.com	94
PID 2768 wrote to memory of 3140	2768	Ricordarti.exe.com	94
PID 2768 wrote to memory of 3140	2768	Ricordarti.exe.com	94
PID 520 wrote to memory of 2116	520	vijxoht.exe	95
PID 520 wrote to memory of 2116	520	vijxoht.exe	95
PID 520 wrote to memory of 2116	520	vijxoht.exe	95

C:\Users\Admin\AppData\Local\Temp\856bf12bf3ecb5b5a388a0a58f99be9b.exe
"C:\Users\Admin\AppData\Local\Temp\856bf12bf3ecb5b5a388a0a58f99be9b.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\xAPxbCeXaaMVED.exe
  "C:\Users\Admin\AppData\Local\Temp\xAPxbCeXaaMVED.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:3984
- - 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:3288
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c cmd < Bisognava.swf
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3976
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2348
      - C:\Windows\SysWOW64\findstr.exe
        
        findstr /V /R "^qcxKbvvNNXdEjdFxkvFHLYLwwjIiKrlvnbexCySrdBbgBkibkuQJjYRwJzIlNfeKNUyPhkSyDBdpAbmQtkVDhApmFqLobIfwmNBGyapZgKyKIIAkTRyCzm$" Guardi.swf
        6⤵
        
        PID:1552
      - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Ricordarti.exe.com
        
        Ricordarti.exe.com V
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:3932
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Ricordarti.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Ricordarti.exe.com V
        7⤵
        Executes dropped EXE
        Checks processor information in registry
        Modifies registry class
        Suspicious use of WriteProcessMemory
        
        PID:2768
        
        C:\Users\Admin\AppData\Local\Temp\vijxoht.exe
        
        "C:\Users\Admin\AppData\Local\Temp\vijxoht.exe"
        8⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:520
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\VIJXOH~1.DLL,s C:\Users\Admin\AppData\Local\Temp\vijxoht.exe
        9⤵
        Loads dropped DLL
        
        PID:2116
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\syspnhm.vbs"
        8⤵
        
        PID:940
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\tdrteywjfi.vbs"
        8⤵
        Blocklisted process makes network request
        Modifies system certificate store
        
        PID:3140
      - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 30
        6⤵
        Runs ping.exe
        
        PID:904
- - 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:752
  - - 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:2044

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/520-153-0x0000000002A00000-0x0000000002BEB000-memory.dmp

Filesize
1.9MB

Download
memory/520-154-0x0000000000400000-0x0000000000AD8000-memory.dmp

Filesize
6.8MB

Download
memory/752-138-0x0000000002C00000-0x0000000002D4A000-memory.dmp

Filesize
1.3MB

Download
memory/752-143-0x0000000000400000-0x0000000002BFF000-memory.dmp

Filesize
40.0MB

Download
memory/2044-145-0x0000000000400000-0x0000000002BFF000-memory.dmp

Filesize
40.0MB

Download
memory/2044-144-0x0000000002C00000-0x0000000002CAE000-memory.dmp

Filesize
696KB

Download
memory/2116-114-0x0000000002620000-0x00000000026F1000-memory.dmp

Filesize
836KB

Download
memory/2116-115-0x0000000000400000-0x0000000000A10000-memory.dmp

Filesize
6.1MB

Download
memory/2768-146-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

Filesize
4KB

Download