cryptbot | 6319b895e7a61947bfa702bf9f092d585f76a983666bbceb8d6dcbabe50e330d

Analysis

max time kernel
123s
max time network
140s
platform
windows10_x64
resource
win10-en-20211104
submitted
14/11/2021, 19:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
1037068cf9de3dfab780b1311ec94a0b.exe
Size 332KB
Sample211114-x8zddsdfhr
SHA256 6319b895e7a61947bfa702bf9f092d585f76a983666bbceb8d6dcbabe50e330d
MD5 1037068cf9de3dfab780b1311ec94a0b
SHA1 743b15e12a70fdd2d5decd85cbbe62616c714b1d
SHA512 b6b7271f3ce9092bcad5e10e088e971326676b019bb16e561f384103ec851afa613d0901cf52425a0ff1b33adadec8f2afb543f571bc71326ffe25054b0eafb2
MD5 SHA1 SHA512

Score

10^/10

cryptbot discovery evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

lekdae72.top
mortae07.top

Attributes

payload_url
http://xetery20.top/download.php?file=itaves.exe

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Blocklisted process makes network request 1 IoCs

flow	pid	Process
36	2404	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 4 IoCs

pid	Process
4504	File.exe
4584	obolet.exe
2784	patacavp.exe
1664	DpEditor.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS 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\SystemBiosVersion	patacavp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	patacavp.exe

Loads dropped DLL 1 IoCs

pid	Process
4504	File.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

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/files/0x000500000001abd1-145.dat	themida
behavioral2/files/0x000500000001abd1-146.dat	themida
behavioral2/memory/2784-147-0x0000000000E80000-0x00000000014F6000-memory.dmp	themida
behavioral2/memory/2784-148-0x0000000000E80000-0x00000000014F6000-memory.dmp	themida
behavioral2/memory/2784-149-0x0000000000E80000-0x00000000014F6000-memory.dmp	themida
behavioral2/memory/2784-150-0x0000000000E80000-0x00000000014F6000-memory.dmp	themida

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	patacavp.exe

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
29	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2784	patacavp.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\foler\olader\acppage.dll	File.exe
File created	C:\Program Files (x86)\foler\olader\adprovider.dll	File.exe
File created	C:\Program Files (x86)\foler\olader\acledit.dll	File.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	patacavp.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1037068cf9de3dfab780b1311ec94a0b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1037068cf9de3dfab780b1311ec94a0b.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	patacavp.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4712	timeout.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\Local Settings	patacavp.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1664	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2784	patacavp.exe
2784	patacavp.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 4504	4028	1037068cf9de3dfab780b1311ec94a0b.exe	69
PID 4028 wrote to memory of 4504	4028	1037068cf9de3dfab780b1311ec94a0b.exe	69
PID 4028 wrote to memory of 4504	4028	1037068cf9de3dfab780b1311ec94a0b.exe	69
PID 4028 wrote to memory of 812	4028	1037068cf9de3dfab780b1311ec94a0b.exe	70
PID 4028 wrote to memory of 812	4028	1037068cf9de3dfab780b1311ec94a0b.exe	70
PID 4028 wrote to memory of 812	4028	1037068cf9de3dfab780b1311ec94a0b.exe	70
PID 812 wrote to memory of 4712	812	cmd.exe	72
PID 812 wrote to memory of 4712	812	cmd.exe	72
PID 812 wrote to memory of 4712	812	cmd.exe	72
PID 4504 wrote to memory of 4584	4504	File.exe	73
PID 4504 wrote to memory of 4584	4504	File.exe	73
PID 4504 wrote to memory of 4584	4504	File.exe	73
PID 4504 wrote to memory of 2784	4504	File.exe	74
PID 4504 wrote to memory of 2784	4504	File.exe	74
PID 4504 wrote to memory of 2784	4504	File.exe	74
PID 2784 wrote to memory of 480	2784	patacavp.exe	75
PID 2784 wrote to memory of 480	2784	patacavp.exe	75
PID 2784 wrote to memory of 480	2784	patacavp.exe	75
PID 4584 wrote to memory of 1664	4584	obolet.exe	76
PID 4584 wrote to memory of 1664	4584	obolet.exe	76
PID 4584 wrote to memory of 1664	4584	obolet.exe	76
PID 2784 wrote to memory of 2404	2784	patacavp.exe	77
PID 2784 wrote to memory of 2404	2784	patacavp.exe	77
PID 2784 wrote to memory of 2404	2784	patacavp.exe	77

C:\Users\Admin\AppData\Local\Temp\1037068cf9de3dfab780b1311ec94a0b.exe
"C:\Users\Admin\AppData\Local\Temp\1037068cf9de3dfab780b1311ec94a0b.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4028
- C:\Users\Admin\AppData\Local\Temp\File.exe
  "C:\Users\Admin\AppData\Local\Temp\File.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4504
- - C:\Users\Admin\AppData\Local\Temp\darius\obolet.exe
    "C:\Users\Admin\AppData\Local\Temp\darius\obolet.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4584
  - - C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      "C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: AddClipboardFormatListener
      PID:1664
- - C:\Users\Admin\AppData\Local\Temp\darius\patacavp.exe
    "C:\Users\Admin\AppData\Local\Temp\darius\patacavp.exe"
    3⤵
    - Executes dropped EXE
    - Checks BIOS information in registry
    - Checks whether UAC is enabled
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Checks processor information in registry
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\srswlrsywo.vbs"
      4⤵
      PID:480
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\phqnguqxc.vbs"
      4⤵
      Blocklisted process makes network request
      PID:2404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\cuaSrEpECsaa & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\1037068cf9de3dfab780b1311ec94a0b.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:812
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:4712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Web Service

T1102

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1664-159-0x0000000002220000-0x0000000002268000-memory.dmp

Download

memory/2784-147-0x0000000000E80000-0x00000000014F6000-memory.dmp

Download

memory/2784-149-0x0000000000E80000-0x00000000014F6000-memory.dmp

Download

memory/2784-148-0x0000000000E80000-0x00000000014F6000-memory.dmp

Download

memory/2784-151-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Download

memory/2784-150-0x0000000000E80000-0x00000000014F6000-memory.dmp

Download

memory/4028-119-0x00000000021B0000-0x00000000021F5000-memory.dmp

Download

memory/4028-120-0x0000000000400000-0x000000000045C000-memory.dmp

Download

memory/4028-118-0x00000000005F0000-0x0000000000615000-memory.dmp

Download

memory/4584-154-0x00000000001E0000-0x00000000001E1000-memory.dmp

Download

memory/4584-155-0x0000000002200000-0x0000000002248000-memory.dmp

Download