arkei

General

Target

dff54d26ba959773f96cb88fd06ad4a55ee9b36c3b74649a8a1e9dd96d408100
Size

313KB
Sample

220115-nkrh7seab8
MD5

9258473b67219a7ad5a77ac0d96f2caf
SHA1

6ef4e2f1cbe4097c2fc2f6064a40c79afa9c9dcf
SHA256

dff54d26ba959773f96cb88fd06ad4a55ee9b36c3b74649a8a1e9dd96d408100
SHA512

7e5e3dcc9c4d0d725d855222be51f56f61724a94f97b7039d9a2664e5a5cf8174ce90c57064b1288a9b7b3b13e1495b67700aa6a2ad58af035addecc7cc155a7

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
  
  dff54d26ba959773f96cb88fd06ad4a55ee9b36c3b74649a8a1e9dd96d408100
- Size
  
  313KB
- MD5
  
  9258473b67219a7ad5a77ac0d96f2caf
- SHA1
  
  6ef4e2f1cbe4097c2fc2f6064a40c79afa9c9dcf
- SHA256
  
  dff54d26ba959773f96cb88fd06ad4a55ee9b36c3b74649a8a1e9dd96d408100
- SHA512
  
  7e5e3dcc9c4d0d725d855222be51f56f61724a94f97b7039d9a2664e5a5cf8174ce90c57064b1288a9b7b3b13e1495b67700aa6a2ad58af035addecc7cc155a7
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
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1