cryptbot | c3315d1c3860a9a019c4693680a9d4522a81f3cc804aef5fbb760048401a44af

Analysis

max time kernel
150s
max time network
153s
platform
windows10_x64
resource
win10-en-20211104
submitted
23-11-2021 09:05

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General

Target

c7387f1ae36b2649856c5077edb63e70.exe
Size

374KB
MD5

c7387f1ae36b2649856c5077edb63e70
SHA1

27163fe328de1b1fdbc3018c447f68ebb0dc9776
SHA256

c3315d1c3860a9a019c4693680a9d4522a81f3cc804aef5fbb760048401a44af
SHA512

138507b8e112c150ddcd576e9e0b979304cda1e832dc565162f6b95ebcf76dfe13af8d55a9896f4b562e29732788871e77f6355f653acbc3ef56749bed98016d

Score

10^/10

cryptbot danabot banker discovery evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

daqsml22.top

morkjm02.top

Attributes

payload_url
http://mywmis14.top/download.php?file=kumasi.exe

Extracted

Family

danabot

142.11.244.223:443

23.106.122.139:443

Attributes

embedded_hash
0FA95F120D6EB149A5D48E36BC76879D
type
loader

rsa_pubkey.plain

rsa_privkey.plain

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Danabot
Danabot is a modular banking Trojan that has been linked with other malware.
trojan banker danabot

Danabot Loader Component 2 IoCs

resource	yara_rule
behavioral2/files/0x000700000001abd5-172.dat	DanabotLoader2021
behavioral2/files/0x000700000001abd5-173.dat	DanabotLoader2021

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
42	1656	WScript.exe

Downloads MZ/PE file

Executes dropped EXE 5 IoCs

pid	Process
4356	File.exe
4396	bauera.exe
508	caribivp.exe
3200	gwpxjhbaeo.exe
1068	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\VideoBiosVersion	caribivp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	caribivp.exe

Loads dropped DLL 2 IoCs

pid	Process
4356	File.exe
2940	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

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/files/0x000400000001abf5-146.dat	themida
behavioral2/files/0x000400000001abf5-145.dat	themida
behavioral2/memory/508-150-0x0000000000CE0000-0x00000000013B1000-memory.dmp	themida
behavioral2/memory/508-151-0x0000000000CE0000-0x00000000013B1000-memory.dmp	themida
behavioral2/memory/508-152-0x0000000000CE0000-0x00000000013B1000-memory.dmp	themida
behavioral2/memory/508-153-0x0000000000CE0000-0x00000000013B1000-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	caribivp.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
24	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
508	caribivp.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	c7387f1ae36b2649856c5077edb63e70.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	c7387f1ae36b2649856c5077edb63e70.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	caribivp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	caribivp.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4412	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	caribivp.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1068	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
508	caribivp.exe
508	caribivp.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3628 wrote to memory of 4356	3628	c7387f1ae36b2649856c5077edb63e70.exe	68
PID 3628 wrote to memory of 4356	3628	c7387f1ae36b2649856c5077edb63e70.exe	68
PID 3628 wrote to memory of 4356	3628	c7387f1ae36b2649856c5077edb63e70.exe	68
PID 3628 wrote to memory of 4272	3628	c7387f1ae36b2649856c5077edb63e70.exe	69
PID 3628 wrote to memory of 4272	3628	c7387f1ae36b2649856c5077edb63e70.exe	69
PID 3628 wrote to memory of 4272	3628	c7387f1ae36b2649856c5077edb63e70.exe	69
PID 4272 wrote to memory of 4412	4272	cmd.exe	71
PID 4272 wrote to memory of 4412	4272	cmd.exe	71
PID 4272 wrote to memory of 4412	4272	cmd.exe	71
PID 4356 wrote to memory of 4396	4356	File.exe	72
PID 4356 wrote to memory of 4396	4356	File.exe	72
PID 4356 wrote to memory of 4396	4356	File.exe	72
PID 4356 wrote to memory of 508	4356	File.exe	73
PID 4356 wrote to memory of 508	4356	File.exe	73
PID 4356 wrote to memory of 508	4356	File.exe	73
PID 508 wrote to memory of 3200	508	caribivp.exe	74
PID 508 wrote to memory of 3200	508	caribivp.exe	74
PID 508 wrote to memory of 3200	508	caribivp.exe	74
PID 508 wrote to memory of 664	508	caribivp.exe	75
PID 508 wrote to memory of 664	508	caribivp.exe	75
PID 508 wrote to memory of 664	508	caribivp.exe	75
PID 4396 wrote to memory of 1068	4396	bauera.exe	76
PID 4396 wrote to memory of 1068	4396	bauera.exe	76
PID 4396 wrote to memory of 1068	4396	bauera.exe	76
PID 508 wrote to memory of 1656	508	caribivp.exe	77
PID 508 wrote to memory of 1656	508	caribivp.exe	77
PID 508 wrote to memory of 1656	508	caribivp.exe	77
PID 3200 wrote to memory of 2940	3200	gwpxjhbaeo.exe	80
PID 3200 wrote to memory of 2940	3200	gwpxjhbaeo.exe	80
PID 3200 wrote to memory of 2940	3200	gwpxjhbaeo.exe	80

C:\Users\Admin\AppData\Local\Temp\c7387f1ae36b2649856c5077edb63e70.exe
"C:\Users\Admin\AppData\Local\Temp\c7387f1ae36b2649856c5077edb63e70.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3628
- 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:4356
- - C:\Users\Admin\AppData\Local\Temp\proust\bauera.exe
    "C:\Users\Admin\AppData\Local\Temp\proust\bauera.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4396
  - - 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:1068
- - C:\Users\Admin\AppData\Local\Temp\proust\caribivp.exe
    "C:\Users\Admin\AppData\Local\Temp\proust\caribivp.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:508
  - - C:\Users\Admin\AppData\Local\Temp\gwpxjhbaeo.exe
      "C:\Users\Admin\AppData\Local\Temp\gwpxjhbaeo.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:3200
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\GWPXJH~1.DLL,s C:\Users\Admin\AppData\Local\Temp\GWPXJH~1.EXE
        5⤵
        Loads dropped DLL
        
        PID:2940
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\pertndys.vbs"
      4⤵
      PID:664
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\esacbbncfj.vbs"
      4⤵
      Blocklisted process makes network request
      PID:1656
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\gBsAJHjOmCKV & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\c7387f1ae36b2649856c5077edb63e70.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4272
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:4412

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

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Downloads

memory/508-152-0x0000000000CE0000-0x00000000013B1000-memory.dmp

Filesize
6.8MB

Download
memory/508-151-0x0000000000CE0000-0x00000000013B1000-memory.dmp

Filesize
6.8MB

Download
memory/508-150-0x0000000000CE0000-0x00000000013B1000-memory.dmp

Filesize
6.8MB

Download
memory/508-153-0x0000000000CE0000-0x00000000013B1000-memory.dmp

Filesize
6.8MB

Download
memory/508-149-0x0000000077CF0000-0x0000000077E7E000-memory.dmp

Filesize
1.6MB

Download
memory/1068-166-0x0000000002450000-0x0000000002498000-memory.dmp

Filesize
288KB

Download
memory/1068-165-0x0000000000780000-0x00000000008CA000-memory.dmp

Filesize
1.3MB

Download
memory/3200-160-0x0000000004AF0000-0x0000000004C95000-memory.dmp

Filesize
1.6MB

Download
memory/3200-159-0x0000000004931000-0x0000000004ABF000-memory.dmp

Filesize
1.6MB

Download
memory/3200-161-0x0000000000400000-0x0000000002CBF000-memory.dmp

Filesize
40.7MB

Download
memory/3628-120-0x0000000000400000-0x0000000002B56000-memory.dmp

Filesize
39.3MB

Download
memory/3628-119-0x00000000048A0000-0x00000000048E5000-memory.dmp

Filesize
276KB

Download
memory/4396-148-0x0000000002470000-0x00000000024B8000-memory.dmp

Filesize
288KB

Download
memory/4396-147-0x0000000000780000-0x00000000008CA000-memory.dmp

Filesize
1.3MB

Download