General

  • Target

    21a0dbfd7390af7cf0c45599fd64f7b0.exe

  • Size

    4.2MB

  • Sample

    211028-myeacscbg4

  • MD5

    21a0dbfd7390af7cf0c45599fd64f7b0

  • SHA1

    41d290b0a4f7c60c7b037fbac3bb345dc378c89c

  • SHA256

    c6de29a2b2c97ee198fefce3fdc5d4d61f5d25d0985bb1f1a423e58ed54bdc0f

  • SHA512

    8dab6926597cbf4818d1c0cedfd714080028614d7d0a99f6883a820f7847527bf7181062aa2034c363d19c334c67866c0f34e9c377af9cb1fb3a3ddcd7b12e92

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

media24

C2

91.121.67.60:23325

Extracted

Family

xloader

Version

2.5

Campaign

s0iw

C2

http://www.kyiejenner.com/s0iw/

Decoy

ortopediamodelo.com

orimshirts.store

universecatholicweekly.info

yvettechan.com

sersaudavelsempre.online

face-booking.net

europeanretailgroup.com

umofan.com

roemahbajumuslim.online

joyrosecuisine.net

3dmaker.house

megdb.xyz

stereoshopie.info

gv5rm.com

tdc-trust.com

mcglobal.club

choral.works

onlineconsultantgroup.com

friscopaintandbody.com

midwestii.com

Targets

    • Target

      21a0dbfd7390af7cf0c45599fd64f7b0.exe

    • Size

      4.2MB

    • MD5

      21a0dbfd7390af7cf0c45599fd64f7b0

    • SHA1

      41d290b0a4f7c60c7b037fbac3bb345dc378c89c

    • SHA256

      c6de29a2b2c97ee198fefce3fdc5d4d61f5d25d0985bb1f1a423e58ed54bdc0f

    • SHA512

      8dab6926597cbf4818d1c0cedfd714080028614d7d0a99f6883a820f7847527bf7181062aa2034c363d19c334c67866c0f34e9c377af9cb1fb3a3ddcd7b12e92

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Xloader

      Xloader is a rebranded version of Formbook malware.

    • Xloader Payload

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Hidden Files and Directories

1
T1158

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Disabling Security Tools

1
T1089

Hidden Files and Directories

1
T1158

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks