arkei

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General

Target

42063670a9f840af6338afa9d8804a4a.exe
Size

136KB
Sample

210927-qdzmcahad5
MD5

42063670a9f840af6338afa9d8804a4a
SHA1

cadaef80fe8f4d03a1f262ad9c8b90de0e000657
SHA256

468dc8e78297571f8d5ba8d01ed5c6fc1caf9448acdb081335c43ffc26a7bb3a
SHA512

9a95476860705158df9351fade5e3759962c722bd3ee01f3f29b8acaed5a63ea1c81e9456b697ce84a04f0757e3f5bc6c871902531aa90c38f546da264a6209f

Malware Config

Extracted

Family

smokeloader

Version

2020

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/

rc4.i32

Extracted

Family

redline

92.246.89.6:38437

Extracted

Family

raccoon

Botnet

a72c96f6762e4258a13dee8bc0dd14557df18467

Attributes

url4cnc
https://t.me/h_wacel1new_1

rc4.plain

Extracted

Family

raccoon

Botnet

b2f2e53f9e27f901d453d8f6fbafe1b4d5266bb7

Attributes

url4cnc
https://t.me/hcdrom1

rc4.plain

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes

url4cnc
https://t.me/agrybirdsgamerept

rc4.plain

Extracted

Family

redline

Botnet

Crypted

18.216.102.251:80

Targets

- Target
  
  42063670a9f840af6338afa9d8804a4a.exe
- Size
  
  136KB
- MD5
  
  42063670a9f840af6338afa9d8804a4a
- SHA1
  
  cadaef80fe8f4d03a1f262ad9c8b90de0e000657
- SHA256
  
  468dc8e78297571f8d5ba8d01ed5c6fc1caf9448acdb081335c43ffc26a7bb3a
- SHA512
  
  9a95476860705158df9351fade5e3759962c722bd3ee01f3f29b8acaed5a63ea1c81e9456b697ce84a04f0757e3f5bc6c871902531aa90c38f546da264a6209f
Score

10^/10

arkei raccoon redline smokeloader tofsee xmrig 5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4 a72c96f6762e4258a13dee8bc0dd14557df18467 b2f2e53f9e27f901d453d8f6fbafe1b4d5266bb7 crypted backdoor discovery evasion infostealer miner persistence spyware stealer themida trojan
- Arkei
  Arkei is an infostealer written in C++.
  stealer arkei
- Raccoon
  Simple but powerful infostealer which was very active in 2019.
  stealer raccoon
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- RedLine Payload
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Tofsee
  Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
  trojan tofsee
- Windows security bypass
  evasion trojan
- xmrig
  XMRig is a high performance, open source, cross platform CPU/GPU miner.
  miner xmrig
- Arkei Stealer Payload
  stealer
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- XMRig Miner Payload
  miner
- Creates new service(s)
  persistence
- Downloads MZ/PE file
- Executes dropped EXE
- Modifies Windows Firewall
  evasion
- Sets service image path in registry
  persistence
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Deletes itself
- Drops startup file
- Loads dropped DLL
- Reads user/profile data of local email clients
  Email clients store some user data on disk where infostealers will often target it.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  evasion trojan
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

T1050

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

New Service

T1050

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Remote System Discovery

T1018

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Tasks

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Extracted

Extracted

Extracted

Targets

Raccoon

RedLine

RedLine Payload

SmokeLoader

Tofsee

Windows security bypass

xmrig

Arkei Stealer Payload

Identifies VirtualBox via ACPI registry values (likely anti-VM)

XMRig Miner Payload

Creates new service(s)

Downloads MZ/PE file

Executes dropped EXE

Modifies Windows Firewall

Sets service image path in registry

Checks BIOS information in registry

Deletes itself

Drops startup file

Loads dropped DLL

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Themida packer

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

Checks installed software on the system

Checks whether UAC is enabled

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Tasks

static1

behavioral1

behavioral2