arkei

General

Target

ab309c5e239d13fc4462a6e2ae9f7743fb04a542ff6c988e4702e163c278e0fe
Size

313KB
Sample

220115-qf5alsecg6
MD5

dc675e2d0f37c6a30d229e7525c7304a
SHA1

dbf3e7a1915d5f6aeb886c5b5570858d045406db
SHA256

ab309c5e239d13fc4462a6e2ae9f7743fb04a542ff6c988e4702e163c278e0fe
SHA512

a7b3b55a064f27f2c5cbb0f02d9d89ce489c71e41f7c9557ac8e1958c5da2e8c025c830cdbe9dbd02a5ddb0875b0d6bbdecbb684dd092f3fafdab3b34eb88319

Score

10^/10

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

http://srtuiyhuali.at/

http://fufuiloirtu.com/

http://amogohuigotuli.at/

http://novohudosovu.com/

http://brutuilionust.com/

http://bubushkalioua.com/

http://dumuilistrati.at/

http://verboliatsiaeeees.com/

rc4.i32

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Extracted

Family

tofsee

C2

patmushta.info

parubey.info

Targets

- Target
  
  ab309c5e239d13fc4462a6e2ae9f7743fb04a542ff6c988e4702e163c278e0fe
- Size
  
  313KB
- MD5
  
  dc675e2d0f37c6a30d229e7525c7304a
- SHA1
  
  dbf3e7a1915d5f6aeb886c5b5570858d045406db
- SHA256
  
  ab309c5e239d13fc4462a6e2ae9f7743fb04a542ff6c988e4702e163c278e0fe
- SHA512
  
  a7b3b55a064f27f2c5cbb0f02d9d89ce489c71e41f7c9557ac8e1958c5da2e8c025c830cdbe9dbd02a5ddb0875b0d6bbdecbb684dd092f3fafdab3b34eb88319
Score

10^/10

arkei smokeloader tofsee xmrig default backdoor discovery evasion miner persistence spyware stealer trojan
- Arkei
  Arkei is an infostealer written in C++.
  stealer arkei
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Suspicious use of NtCreateProcessExOtherParentProcess
- Tofsee
  Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
  trojan tofsee
- xmrig
  XMRig is a high performance, open source, cross platform CPU/GPU miner.
  miner xmrig
- Arkei Stealer Payload
  stealer
- 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 computer location settings
  Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1