arkei

General

Target

6003b916c04767dd36f8b0afb390e515.exe
Size

314KB
Sample

220115-t4bvraegg8
MD5

6003b916c04767dd36f8b0afb390e515
SHA1

d8ba54cfd3f1a16a44a9f2ab9432e561071d2ecd
SHA256

7b1e00c9b305c4355432682a1d67a2bc1fc35bd4dccf53419d01a7986d8053e7
SHA512

a9d71fda74d9424e4673fbb6a9cc03a1fe4e04fb343d440df674250b31887f4b8dc4b0ea9b9b10ff5fe909564e5634a28948c0f4ac081fc96b210e985846bfc7

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
  
  6003b916c04767dd36f8b0afb390e515.exe
- Size
  
  314KB
- MD5
  
  6003b916c04767dd36f8b0afb390e515
- SHA1
  
  d8ba54cfd3f1a16a44a9f2ab9432e561071d2ecd
- SHA256
  
  7b1e00c9b305c4355432682a1d67a2bc1fc35bd4dccf53419d01a7986d8053e7
- SHA512
  
  a9d71fda74d9424e4673fbb6a9cc03a1fe4e04fb343d440df674250b31887f4b8dc4b0ea9b9b10ff5fe909564e5634a28948c0f4ac081fc96b210e985846bfc7
Score

10^/10

arkei smokeloader tofsee xmrig default backdoor discovery evasion miner persistence pyinstaller spyware stealer trojan
- Arkei
  Arkei is an infostealer written in C++.
  stealer arkei
- Modifies WinLogon for persistence
  persistence
- 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
- Windows security bypass
  evasion trojan
- 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 Installed Components in the registry
  persistence
- 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.
- Deletes itself
- Loads dropped DLL
- 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
- 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
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2