cryptbot | 7e19416205cfb8e056d4628bdeb635e29cefba04fcb21ee55e7b0077427e4c99

Analysis

max time kernel
148s
max time network
157s
platform
windows10_x64
resource
win10v20210408
submitted
15-07-2021 09:49

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General

Target

58fa567894c7dc28d2b7f0d7f3886512.exe
Size

721KB
MD5

58fa567894c7dc28d2b7f0d7f3886512
SHA1

d8b23608392d87729b6512046f926d83ec27ffd1
SHA256

7e19416205cfb8e056d4628bdeb635e29cefba04fcb21ee55e7b0077427e4c99
SHA512

a3e45bb8656c53ae0af2a06363013b0379f7370418013ed83d48d4a8af4f70ac0f50ecbb02287480d3f79dd1c5e12e3949e44adf071d03cf4409f6e40592d5b2

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 4 IoCs

resource	yara_rule
behavioral2/memory/364-114-0x0000000002760000-0x0000000002831000-memory.dmp	family_cryptbot
behavioral2/memory/364-115-0x0000000000400000-0x0000000000A20000-memory.dmp	family_cryptbot
behavioral2/memory/3356-142-0x00000000009B0000-0x0000000000AFA000-memory.dmp	family_cryptbot
behavioral2/memory/1800-144-0x0000000000AA0000-0x0000000000BEA000-memory.dmp	family_cryptbot

Blocklisted process makes network request 4 IoCs

flow	pid	Process
39	2088	WScript.exe
41	2088	WScript.exe
43	2088	WScript.exe
45	2088	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 7 IoCs

pid	Process
2376	OJDTunFJqbY.exe
1280	vpn.exe
3356	4.exe
3836	Ricordarti.exe.com
3236	Ricordarti.exe.com
1800	SmartClock.exe
732	jhghnsjam.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
2376	OJDTunFJqbY.exe
2676	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	OJDTunFJqbY.exe
File created	C:\Program Files (x86)\foler\olader\adprovider.dll	OJDTunFJqbY.exe
File created	C:\Program Files (x86)\foler\olader\acledit.dll	OJDTunFJqbY.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	58fa567894c7dc28d2b7f0d7f3886512.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	58fa567894c7dc28d2b7f0d7f3886512.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-1-5-21-1594587808-2047097707-2163810515-1000_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
4064	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1800	SmartClock.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 364 wrote to memory of 2376	364	58fa567894c7dc28d2b7f0d7f3886512.exe	77
PID 364 wrote to memory of 2376	364	58fa567894c7dc28d2b7f0d7f3886512.exe	77
PID 364 wrote to memory of 2376	364	58fa567894c7dc28d2b7f0d7f3886512.exe	77
PID 2376 wrote to memory of 1280	2376	OJDTunFJqbY.exe	78
PID 2376 wrote to memory of 1280	2376	OJDTunFJqbY.exe	78
PID 2376 wrote to memory of 1280	2376	OJDTunFJqbY.exe	78
PID 2376 wrote to memory of 3356	2376	OJDTunFJqbY.exe	79
PID 2376 wrote to memory of 3356	2376	OJDTunFJqbY.exe	79
PID 2376 wrote to memory of 3356	2376	OJDTunFJqbY.exe	79
PID 1280 wrote to memory of 1004	1280	vpn.exe	80
PID 1280 wrote to memory of 1004	1280	vpn.exe	80
PID 1280 wrote to memory of 1004	1280	vpn.exe	80
PID 1004 wrote to memory of 2052	1004	cmd.exe	82
PID 1004 wrote to memory of 2052	1004	cmd.exe	82
PID 1004 wrote to memory of 2052	1004	cmd.exe	82
PID 2052 wrote to memory of 3796	2052	cmd.exe	83
PID 2052 wrote to memory of 3796	2052	cmd.exe	83
PID 2052 wrote to memory of 3796	2052	cmd.exe	83
PID 2052 wrote to memory of 3836	2052	cmd.exe	85
PID 2052 wrote to memory of 3836	2052	cmd.exe	85
PID 2052 wrote to memory of 3836	2052	cmd.exe	85
PID 2052 wrote to memory of 4064	2052	cmd.exe	86
PID 2052 wrote to memory of 4064	2052	cmd.exe	86
PID 2052 wrote to memory of 4064	2052	cmd.exe	86
PID 3836 wrote to memory of 3236	3836	Ricordarti.exe.com	87
PID 3836 wrote to memory of 3236	3836	Ricordarti.exe.com	87
PID 3836 wrote to memory of 3236	3836	Ricordarti.exe.com	87
PID 3356 wrote to memory of 1800	3356	4.exe	88
PID 3356 wrote to memory of 1800	3356	4.exe	88
PID 3356 wrote to memory of 1800	3356	4.exe	88
PID 3236 wrote to memory of 732	3236	Ricordarti.exe.com	89
PID 3236 wrote to memory of 732	3236	Ricordarti.exe.com	89
PID 3236 wrote to memory of 732	3236	Ricordarti.exe.com	89
PID 3236 wrote to memory of 2952	3236	Ricordarti.exe.com	90
PID 3236 wrote to memory of 2952	3236	Ricordarti.exe.com	90
PID 3236 wrote to memory of 2952	3236	Ricordarti.exe.com	90
PID 3236 wrote to memory of 2088	3236	Ricordarti.exe.com	91
PID 3236 wrote to memory of 2088	3236	Ricordarti.exe.com	91
PID 3236 wrote to memory of 2088	3236	Ricordarti.exe.com	91
PID 732 wrote to memory of 2676	732	jhghnsjam.exe	92
PID 732 wrote to memory of 2676	732	jhghnsjam.exe	92
PID 732 wrote to memory of 2676	732	jhghnsjam.exe	92

C:\Users\Admin\AppData\Local\Temp\58fa567894c7dc28d2b7f0d7f3886512.exe
"C:\Users\Admin\AppData\Local\Temp\58fa567894c7dc28d2b7f0d7f3886512.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:364
- C:\Users\Admin\AppData\Local\Temp\OJDTunFJqbY.exe
  "C:\Users\Admin\AppData\Local\Temp\OJDTunFJqbY.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2376
- - 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:1280
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c cmd < Bisognava.swf
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1004
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2052
      - C:\Windows\SysWOW64\findstr.exe
        
        findstr /V /R "^qcxKbvvNNXdEjdFxkvFHLYLwwjIiKrlvnbexCySrdBbgBkibkuQJjYRwJzIlNfeKNUyPhkSyDBdpAbmQtkVDhApmFqLobIfwmNBGyapZgKyKIIAkTRyCzm$" Guardi.swf
        6⤵
        
        PID:3796
      - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Ricordarti.exe.com
        
        Ricordarti.exe.com V
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:3836
        
        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:3236
        
        C:\Users\Admin\AppData\Local\Temp\jhghnsjam.exe
        
        "C:\Users\Admin\AppData\Local\Temp\jhghnsjam.exe"
        8⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:732
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\JHGHNS~1.DLL,s C:\Users\Admin\AppData\Local\Temp\JHGHNS~1.EXE
        9⤵
        Loads dropped DLL
        
        PID:2676
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\lajvrenkmd.vbs"
        8⤵
        
        PID:2952
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\kpaatoetal.vbs"
        8⤵
        Blocklisted process makes network request
        Modifies system certificate store
        
        PID:2088
      - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 30
        6⤵
        Runs ping.exe
        
        PID:4064
- - 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:3356
  - - 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:1800

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

Replay Monitor

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Downloads

memory/364-114-0x0000000002760000-0x0000000002831000-memory.dmp

Filesize
836KB

Download
memory/364-115-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/732-153-0x00000000029B0000-0x0000000002B9B000-memory.dmp

Filesize
1.9MB

Download
memory/732-154-0x0000000000400000-0x0000000000AED000-memory.dmp

Filesize
6.9MB

Download
memory/1800-144-0x0000000000AA0000-0x0000000000BEA000-memory.dmp

Filesize
1.3MB

Download
memory/1800-145-0x0000000000400000-0x00000000009A9000-memory.dmp

Filesize
5.7MB

Download
memory/3236-146-0x0000000000D20000-0x0000000000D21000-memory.dmp

Filesize
4KB

Download
memory/3356-143-0x0000000000400000-0x00000000009A9000-memory.dmp

Filesize
5.7MB

Download
memory/3356-142-0x00000000009B0000-0x0000000000AFA000-memory.dmp

Filesize
1.3MB

Download