cryptbot | 6743545d37eec634a1bb706f966a9da079d83d2a12274fdcb4acb505828cde24

Analysis

max time kernel
150s
max time network
155s
platform
windows10_x64
resource
win10v20210410
submitted
28/06/2021, 11:21

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General

Target
7cbf7ae8143f1ac7bc49afb9b1819a58.exe
Size 776KB
Sample210628-phpwaheh32
SHA256 6743545d37eec634a1bb706f966a9da079d83d2a12274fdcb4acb505828cde24
MD5 7cbf7ae8143f1ac7bc49afb9b1819a58
SHA1 6cc0190c62f301acf49ca32cc00d44f07ef0a95a
SHA512 241fd8b3852d9a692d480b51dc8344190cdebebc5135721b87982df8f1b42e4b16a397bf428fbc84291811c829fd2823c6f23918d7027c5973dd7f6a5b1d553b
MD5 SHA1 SHA512

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

xeibzs12.top
morbuw01.top

Attributes

payload_url
http://lopuio01.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/3700-114-0x0000000002860000-0x0000000002941000-memory.dmp	family_cryptbot
behavioral2/memory/3700-115-0x0000000000400000-0x0000000000961000-memory.dmp	family_cryptbot

Blocklisted process makes network request 5 IoCs

flow	pid	Process
36	2448	rundll32.exe
38	2172	WScript.exe
40	2172	WScript.exe
42	2172	WScript.exe
44	2172	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 7 IoCs

pid	Process
3048	wXiAFj.exe
2940	vpn.exe
3936	4.exe
1568	Affannosa.exe.com
3612	Affannosa.exe.com
4024	SmartClock.exe
2980	nqxoksnarr.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 5 IoCs

pid	Process
3048	wXiAFj.exe
2448	rundll32.exe
2448	rundll32.exe
2660	rundll32.exe
2660	rundll32.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
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 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\foler\olader\acppage.dll	wXiAFj.exe
File created	C:\Program Files (x86)\foler\olader\adprovider.dll	wXiAFj.exe
File created	C:\Program Files (x86)\foler\olader\acledit.dll	wXiAFj.exe
File created	C:\PROGRA~3\Bklngfpngf\kgjocbpkfku.tmp	rundll32.exe
File created	C:\PROGRA~3\Bklngfpngf\Vhxwcgzi.tmp	rundll32.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	7cbf7ae8143f1ac7bc49afb9b1819a58.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	7cbf7ae8143f1ac7bc49afb9b1819a58.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Affannosa.exe.com
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Affannosa.exe.com

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2412	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	Affannosa.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
3352	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4024	SmartClock.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3700	7cbf7ae8143f1ac7bc49afb9b1819a58.exe
3700	7cbf7ae8143f1ac7bc49afb9b1819a58.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 2644	3700	7cbf7ae8143f1ac7bc49afb9b1819a58.exe	79
PID 3700 wrote to memory of 2644	3700	7cbf7ae8143f1ac7bc49afb9b1819a58.exe	79
PID 3700 wrote to memory of 2644	3700	7cbf7ae8143f1ac7bc49afb9b1819a58.exe	79
PID 2644 wrote to memory of 3048	2644	cmd.exe	81
PID 2644 wrote to memory of 3048	2644	cmd.exe	81
PID 2644 wrote to memory of 3048	2644	cmd.exe	81
PID 3048 wrote to memory of 2940	3048	wXiAFj.exe	82
PID 3048 wrote to memory of 2940	3048	wXiAFj.exe	82
PID 3048 wrote to memory of 2940	3048	wXiAFj.exe	82
PID 3048 wrote to memory of 3936	3048	wXiAFj.exe	83
PID 3048 wrote to memory of 3936	3048	wXiAFj.exe	83
PID 3048 wrote to memory of 3936	3048	wXiAFj.exe	83
PID 2940 wrote to memory of 1016	2940	vpn.exe	84
PID 2940 wrote to memory of 1016	2940	vpn.exe	84
PID 2940 wrote to memory of 1016	2940	vpn.exe	84
PID 1016 wrote to memory of 3836	1016	cmd.exe	86
PID 1016 wrote to memory of 3836	1016	cmd.exe	86
PID 1016 wrote to memory of 3836	1016	cmd.exe	86
PID 3836 wrote to memory of 384	3836	cmd.exe	87
PID 3836 wrote to memory of 384	3836	cmd.exe	87
PID 3836 wrote to memory of 384	3836	cmd.exe	87
PID 3700 wrote to memory of 728	3700	7cbf7ae8143f1ac7bc49afb9b1819a58.exe	88
PID 3700 wrote to memory of 728	3700	7cbf7ae8143f1ac7bc49afb9b1819a58.exe	88
PID 3700 wrote to memory of 728	3700	7cbf7ae8143f1ac7bc49afb9b1819a58.exe	88
PID 728 wrote to memory of 2412	728	cmd.exe	90
PID 728 wrote to memory of 2412	728	cmd.exe	90
PID 728 wrote to memory of 2412	728	cmd.exe	90
PID 3836 wrote to memory of 1568	3836	cmd.exe	91
PID 3836 wrote to memory of 1568	3836	cmd.exe	91
PID 3836 wrote to memory of 1568	3836	cmd.exe	91
PID 3836 wrote to memory of 3352	3836	cmd.exe	92
PID 3836 wrote to memory of 3352	3836	cmd.exe	92
PID 3836 wrote to memory of 3352	3836	cmd.exe	92
PID 1568 wrote to memory of 3612	1568	Affannosa.exe.com	93
PID 1568 wrote to memory of 3612	1568	Affannosa.exe.com	93
PID 1568 wrote to memory of 3612	1568	Affannosa.exe.com	93
PID 3936 wrote to memory of 4024	3936	4.exe	94
PID 3936 wrote to memory of 4024	3936	4.exe	94
PID 3936 wrote to memory of 4024	3936	4.exe	94
PID 3612 wrote to memory of 2980	3612	Affannosa.exe.com	96
PID 3612 wrote to memory of 2980	3612	Affannosa.exe.com	96
PID 3612 wrote to memory of 2980	3612	Affannosa.exe.com	96
PID 3612 wrote to memory of 2220	3612	Affannosa.exe.com	97
PID 3612 wrote to memory of 2220	3612	Affannosa.exe.com	97
PID 3612 wrote to memory of 2220	3612	Affannosa.exe.com	97
PID 2980 wrote to memory of 2448	2980	nqxoksnarr.exe	98
PID 2980 wrote to memory of 2448	2980	nqxoksnarr.exe	98
PID 2980 wrote to memory of 2448	2980	nqxoksnarr.exe	98
PID 3612 wrote to memory of 2172	3612	Affannosa.exe.com	99
PID 3612 wrote to memory of 2172	3612	Affannosa.exe.com	99
PID 3612 wrote to memory of 2172	3612	Affannosa.exe.com	99
PID 2448 wrote to memory of 2660	2448	rundll32.exe	100
PID 2448 wrote to memory of 2660	2448	rundll32.exe	100
PID 2448 wrote to memory of 2660	2448	rundll32.exe	100

C:\Users\Admin\AppData\Local\Temp\7cbf7ae8143f1ac7bc49afb9b1819a58.exe
"C:\Users\Admin\AppData\Local\Temp\7cbf7ae8143f1ac7bc49afb9b1819a58.exe"
1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\wXiAFj.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Users\Admin\AppData\Local\Temp\wXiAFj.exe
    "C:\Users\Admin\AppData\Local\Temp\wXiAFj.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:3048
  - - C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe
      "C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2940
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c cmd < Udi.xlm
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1016
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:3836
        
        C:\Windows\SysWOW64\findstr.exe
        
        findstr /V /R "^RQWNhxUdVtOmRwinwWDayvrHkBJfQpySTbClIcHUHAqFnIsjLGyajhfxNfBMLFmMZVGznXPFgILFcboClvEltMFFiivzTVpwwgGCeXONRmtD$" Ingannaste.xlm
        7⤵
        
        PID:384
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Affannosa.exe.com
        
        Affannosa.exe.com H
        7⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1568
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Affannosa.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Affannosa.exe.com H
        8⤵
        Executes dropped EXE
        Checks processor information in registry
        Modifies registry class
        Suspicious use of WriteProcessMemory
        
        PID:3612
        
        C:\Users\Admin\AppData\Local\Temp\nqxoksnarr.exe
        
        "C:\Users\Admin\AppData\Local\Temp\nqxoksnarr.exe"
        9⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2980
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\NQXOKS~1.TMP,S C:\Users\Admin\AppData\Local\Temp\NQXOKS~1.EXE
        10⤵
        Blocklisted process makes network request
        Loads dropped DLL
        Drops file in Program Files directory
        Suspicious use of WriteProcessMemory
        
        PID:2448
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\PROGRA~3\BKLNGF~1\KGJOCB~1.TMP,axRXMg== C:\Users\Admin\AppData\Local\Temp\NQXOKS~1.TMP
        11⤵
        Loads dropped DLL
        
        PID:2660
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\hmnrrndxddth.vbs"
        9⤵
        
        PID:2220
        
        C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\dguksdn.vbs"
        9⤵
        Blocklisted process makes network request
        Modifies system certificate store
        
        PID:2172
        
        C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 30
        7⤵
        Runs ping.exe
        
        PID:3352
  - - C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe
      "C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe"
      4⤵
      Executes dropped EXE
      Drops startup file
      Suspicious use of WriteProcessMemory
      PID:3936
    - - C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
        
        "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: AddClipboardFormatListener
        
        PID:4024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\hpyhYPQfEeyDr & timeout 3 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7cbf7ae8143f1ac7bc49afb9b1819a58.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:728
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2412

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/2448-166-0x00000000043F0000-0x000000000452F000-memory.dmp

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memory/2660-175-0x0000000004020000-0x000000000415F000-memory.dmp

Download

memory/2980-167-0x00000000026F0000-0x00000000027DD000-memory.dmp

Download

memory/2980-168-0x0000000000400000-0x00000000009BB000-memory.dmp

Download

memory/3612-155-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Download

memory/3700-115-0x0000000000400000-0x0000000000961000-memory.dmp

Download

memory/3700-114-0x0000000002860000-0x0000000002941000-memory.dmp

Download

memory/3936-152-0x0000000000400000-0x00000000008F9000-memory.dmp

Download

memory/3936-151-0x00000000024D0000-0x00000000024F6000-memory.dmp

Download

memory/4024-154-0x0000000000400000-0x00000000008F9000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads