cryptbot | 56086c245c079cb9345f744d6c352931877ea6aa2286950f9451d3ec372d6e19

Analysis

max time kernel
130s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
23/08/2021, 13:29

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General

Target
eb749e44a75448c807d0af28f8b83e66.exe
Size 623KB
Sample210823-phegrv7w52
SHA256 56086c245c079cb9345f744d6c352931877ea6aa2286950f9451d3ec372d6e19
MD5 eb749e44a75448c807d0af28f8b83e66
SHA1 f00ecf94d2ca07d843242b23b1d6e9f92d80c0ce
SHA512 f8ee99ab474ba6b797a2d5eddc1245080ff3272576fcdc3bfc5c9d32154ac2b20ddf0939fc98f2d4e66e81f89582f0a0e8a92996896bc29fc478cdd40a3b60c4
MD5 SHA1 SHA512

Score

10^/10

cryptbot discovery persistence spyware stealer suricata

Malware Config

Extracted

Family

cryptbot

bunopq12.top
morkix01.top

Attributes

payload_url
http://tobdol01.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/3980-114-0x00000000028B0000-0x0000000002950000-memory.dmp	family_cryptbot
behavioral2/memory/3980-115-0x0000000000400000-0x0000000002406000-memory.dmp	family_cryptbot

suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata

Blocklisted process makes network request 4 IoCs

flow	pid	Process
41	4024	WScript.exe
43	4024	WScript.exe
45	4024	WScript.exe
47	4024	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 7 IoCs

pid	Process
3400	Filett.exe
1224	vts.exe
2060	fuk.exe
2592	Larghe.exe.com
1780	Larghe.exe.com
2348	SmartClock.exe
3104	thlpbygbbov.exe

Drops startup file 1 IoCs

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

Loads dropped DLL 1 IoCs

pid	Process
3400	Filett.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	vts.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	vts.exe

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
25	ip-api.com

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\foler\olader\acppage.dll	Filett.exe
File created	C:\Program Files (x86)\foler\olader\adprovider.dll	Filett.exe
File created	C:\Program Files (x86)\foler\olader\acledit.dll	Filett.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	eb749e44a75448c807d0af28f8b83e66.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Larghe.exe.com
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Larghe.exe.com
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	eb749e44a75448c807d0af28f8b83e66.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2184	timeout.exe

Modifies registry class 1 IoCs

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

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2848	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2348	SmartClock.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
3980	eb749e44a75448c807d0af28f8b83e66.exe
3980	eb749e44a75448c807d0af28f8b83e66.exe
2592	Larghe.exe.com
2592	Larghe.exe.com
2592	Larghe.exe.com
1780	Larghe.exe.com
1780	Larghe.exe.com
1780	Larghe.exe.com

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
2592	Larghe.exe.com
2592	Larghe.exe.com
2592	Larghe.exe.com
1780	Larghe.exe.com
1780	Larghe.exe.com
1780	Larghe.exe.com

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 3980 wrote to memory of 3400	3980	eb749e44a75448c807d0af28f8b83e66.exe	79
PID 3980 wrote to memory of 3400	3980	eb749e44a75448c807d0af28f8b83e66.exe	79
PID 3980 wrote to memory of 3400	3980	eb749e44a75448c807d0af28f8b83e66.exe	79
PID 3980 wrote to memory of 684	3980	eb749e44a75448c807d0af28f8b83e66.exe	80
PID 3980 wrote to memory of 684	3980	eb749e44a75448c807d0af28f8b83e66.exe	80
PID 3980 wrote to memory of 684	3980	eb749e44a75448c807d0af28f8b83e66.exe	80
PID 3400 wrote to memory of 1224	3400	Filett.exe	82
PID 3400 wrote to memory of 1224	3400	Filett.exe	82
PID 3400 wrote to memory of 1224	3400	Filett.exe	82
PID 684 wrote to memory of 2184	684	cmd.exe	83
PID 684 wrote to memory of 2184	684	cmd.exe	83
PID 684 wrote to memory of 2184	684	cmd.exe	83
PID 3400 wrote to memory of 2060	3400	Filett.exe	84
PID 3400 wrote to memory of 2060	3400	Filett.exe	84
PID 3400 wrote to memory of 2060	3400	Filett.exe	84
PID 1224 wrote to memory of 3104	1224	vts.exe	85
PID 1224 wrote to memory of 3104	1224	vts.exe	85
PID 1224 wrote to memory of 3104	1224	vts.exe	85
PID 1224 wrote to memory of 1304	1224	vts.exe	86
PID 1224 wrote to memory of 1304	1224	vts.exe	86
PID 1224 wrote to memory of 1304	1224	vts.exe	86
PID 1304 wrote to memory of 1624	1304	cmd.exe	88
PID 1304 wrote to memory of 1624	1304	cmd.exe	88
PID 1304 wrote to memory of 1624	1304	cmd.exe	88
PID 1624 wrote to memory of 2328	1624	cmd.exe	89
PID 1624 wrote to memory of 2328	1624	cmd.exe	89
PID 1624 wrote to memory of 2328	1624	cmd.exe	89
PID 1624 wrote to memory of 2592	1624	cmd.exe	90
PID 1624 wrote to memory of 2592	1624	cmd.exe	90
PID 1624 wrote to memory of 2592	1624	cmd.exe	90
PID 1624 wrote to memory of 2848	1624	cmd.exe	91
PID 1624 wrote to memory of 2848	1624	cmd.exe	91
PID 1624 wrote to memory of 2848	1624	cmd.exe	91
PID 2592 wrote to memory of 1780	2592	Larghe.exe.com	92
PID 2592 wrote to memory of 1780	2592	Larghe.exe.com	92
PID 2592 wrote to memory of 1780	2592	Larghe.exe.com	92
PID 2060 wrote to memory of 2348	2060	fuk.exe	93
PID 2060 wrote to memory of 2348	2060	fuk.exe	93
PID 2060 wrote to memory of 2348	2060	fuk.exe	93
PID 1780 wrote to memory of 3104	1780	Larghe.exe.com	95
PID 1780 wrote to memory of 3104	1780	Larghe.exe.com	95
PID 1780 wrote to memory of 3104	1780	Larghe.exe.com	95
PID 1780 wrote to memory of 2372	1780	Larghe.exe.com	96
PID 1780 wrote to memory of 2372	1780	Larghe.exe.com	96
PID 1780 wrote to memory of 2372	1780	Larghe.exe.com	96
PID 1780 wrote to memory of 4024	1780	Larghe.exe.com	97
PID 1780 wrote to memory of 4024	1780	Larghe.exe.com	97
PID 1780 wrote to memory of 4024	1780	Larghe.exe.com	97

C:\Users\Admin\AppData\Local\Temp\eb749e44a75448c807d0af28f8b83e66.exe
"C:\Users\Admin\AppData\Local\Temp\eb749e44a75448c807d0af28f8b83e66.exe"
1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3980
- C:\Users\Admin\AppData\Local\Temp\Filett.exe
  "C:\Users\Admin\AppData\Local\Temp\Filett.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:3400
- - C:\Users\Admin\AppData\Local\Temp\yankee\vts.exe
    "C:\Users\Admin\AppData\Local\Temp\yankee\vts.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1224
  - - C:\Windows\SysWOW64\dllhost.exe
      dllhost.exe
      4⤵
      PID:3104
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c cmd < Parve.vss
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1304
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1624
      - C:\Windows\SysWOW64\findstr.exe
        
        findstr /V /R "^LMdJCxRSRoddjdlTxyoqClWafTdkkbEWYdXeiJSojeIIDRNHLutVIRNBQXzJtFGzDxaWziMKjZNmBhOnyJAyaIhuCcjpdprGvgtpm$" Puramente.vss
        6⤵
        
        PID:2328
      - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Larghe.exe.com
        
        Larghe.exe.com V
        6⤵
        Executes dropped EXE
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        Suspicious use of WriteProcessMemory
        
        PID:2592
        
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Larghe.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Larghe.exe.com V
        7⤵
        Executes dropped EXE
        Checks processor information in registry
        Modifies registry class
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        Suspicious use of WriteProcessMemory
        
        PID:1780
        
        C:\Users\Admin\AppData\Local\Temp\thlpbygbbov.exe
        
        "C:\Users\Admin\AppData\Local\Temp\thlpbygbbov.exe"
        8⤵
        Executes dropped EXE
        
        PID:3104
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\THLPBY~1.DLL,s C:\Users\Admin\AppData\Local\Temp\THLPBY~1.EXE
        9⤵
        
        PID:2592
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\aflrgmfmmm.vbs"
        8⤵
        
        PID:2372
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\vdmcshukat.vbs"
        8⤵
        Blocklisted process makes network request
        Modifies system certificate store
        
        PID:4024
      - C:\Windows\SysWOW64\PING.EXE
        
        ping RJMQBVDN -n 30
        6⤵
        Runs ping.exe
        
        PID:2848
- - C:\Users\Admin\AppData\Local\Temp\yankee\fuk.exe
    "C:\Users\Admin\AppData\Local\Temp\yankee\fuk.exe"
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Suspicious use of WriteProcessMemory
    PID:2060
  - - 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:2348
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\vUsatGmmuwd4 & timeout 2 & del /f /q "C:\Users\Admin\AppData\Local\Temp\eb749e44a75448c807d0af28f8b83e66.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:684
- - C:\Windows\SysWOW64\timeout.exe
    timeout 2
    3⤵
    - Delays execution with timeout.exe
    PID:2184

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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/2060-152-0x0000000000400000-0x00000000023B4000-memory.dmp

Download

memory/2060-148-0x00000000023C0000-0x000000000250A000-memory.dmp

Download

memory/2348-154-0x0000000000400000-0x00000000023B4000-memory.dmp

Download

memory/2348-153-0x0000000002520000-0x0000000002546000-memory.dmp

Download

memory/3980-114-0x00000000028B0000-0x0000000002950000-memory.dmp

Download

memory/3980-115-0x0000000000400000-0x0000000002406000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads