arkei | 446322c5499d41edee0ca0b83aba36f0cc74ed4743a2e50e6eb36d2a3469d85f

General

Target

helf.hpl.dll
Size

1.7MB
MD5

5df3d0f5c72cf5e5f5558d0427fbe188
SHA1

7f3d18d51f70b226fd93cdcc50b30f24584e54a9
SHA256

446322c5499d41edee0ca0b83aba36f0cc74ed4743a2e50e6eb36d2a3469d85f
SHA512

85b4bac6afcb5e909ba6b805ef14479305a785a68b99893287bdb07c5a55e51db8f22c2ab5343d7898e07a8de424357377aacd8c5c1288e06d07fefaa2d0c757

Score

10^/10

arkei hancitor 2103_punosh default discovery downloader spyware stealer suricata

Malware Config

Extracted

Family

hancitor

Botnet

2103_punosh

C2

http://nanogeelr.com/9/forum.php

http://ockpitehou.ru/9/forum.php

http://lumentsawfu.ru/9/forum.php

Extracted

Family

arkei

Botnet

Default

C2

http://sughicent.com/blaka.php

Signatures

Arkei
Arkei is an infostealer written in C++.
stealer arkei
Hancitor
Hancitor is downloader used to deliver other malware families.
downloader hancitor
suricata: ET MALWARE Suspected Win32/Hancitor Checkin
suricata: ET MALWARE Suspected Win32/Hancitor Checkin
suricata

Blocklisted process makes network request 4 IoCs

flow	pid	Process
5	912	rundll32.exe
7	912	rundll32.exe
9	912	rundll32.exe
13	912	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
1920	BN50EE.tmp

Loads dropped DLL 4 IoCs

pid	Process
912	rundll32.exe
912	rundll32.exe
1920	BN50EE.tmp
1920	BN50EE.tmp

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

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
4	api.ipify.org

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 2 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	BN50EE.tmp
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	BN50EE.tmp

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2000	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
912	rundll32.exe
912	rundll32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 912	948	rundll32.exe	27
PID 948 wrote to memory of 912	948	rundll32.exe	27
PID 948 wrote to memory of 912	948	rundll32.exe	27
PID 948 wrote to memory of 912	948	rundll32.exe	27
PID 948 wrote to memory of 912	948	rundll32.exe	27
PID 948 wrote to memory of 912	948	rundll32.exe	27
PID 948 wrote to memory of 912	948	rundll32.exe	27
PID 912 wrote to memory of 1920	912	rundll32.exe	30
PID 912 wrote to memory of 1920	912	rundll32.exe	30
PID 912 wrote to memory of 1920	912	rundll32.exe	30
PID 912 wrote to memory of 1920	912	rundll32.exe	30
PID 1920 wrote to memory of 916	1920	BN50EE.tmp	32
PID 1920 wrote to memory of 916	1920	BN50EE.tmp	32
PID 1920 wrote to memory of 916	1920	BN50EE.tmp	32
PID 1920 wrote to memory of 916	1920	BN50EE.tmp	32
PID 916 wrote to memory of 2000	916	cmd.exe	34
PID 916 wrote to memory of 2000	916	cmd.exe	34
PID 916 wrote to memory of 2000	916	cmd.exe	34
PID 916 wrote to memory of 2000	916	cmd.exe	34

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\helf.hpl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\helf.hpl.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:912
- - C:\Users\Admin\AppData\Local\Temp\BN50EE.tmp
    C:\Users\Admin\AppData\Local\Temp\BN50EE.tmp
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:1920
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\BN50EE.tmp" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:916
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 5
        5⤵
        Delays execution with timeout.exe
        
        PID:2000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/912-56-0x00000000001D0000-0x00000000001D8000-memory.dmp

Filesize
32KB

Download
memory/912-59-0x00000000001D0000-0x00000000001D8000-memory.dmp

Filesize
32KB

Download
memory/912-58-0x00000000001B0000-0x00000000001B7000-memory.dmp

Filesize
28KB

Download
memory/912-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/912-57-0x00000000001D0000-0x00000000001D8000-memory.dmp

Filesize
32KB

Download
memory/912-55-0x0000000001E50000-0x000000000200C000-memory.dmp

Filesize
1.7MB

Download
memory/1920-63-0x00000000002C0000-0x00000000002E9000-memory.dmp

Filesize
164KB

Download
memory/1920-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1920-66-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads