General

  • Size

    4MB

  • Sample

    220303-yr5dracdd5

  • MD5

    0cc27690e2886c785a303112d1480b55

  • SHA1

    f4723a92fb1c26fcd2f1cd9e8ce7b4a9c0e4f49b

  • SHA256

    15f4e965344a38b07713363133e6624f72db10cb297967e91608eec1020e6b1d

  • SHA512

    fbc41abd098997d9394e6f1692de5bac6add35215a03147c6d2a7956274c1cfafd42d364258cc147db074ae610c2a4d9491bad8f2a1f5fee86b50b7c945a334d

Malware Config

Extracted

Language ps1
Deobfuscated
URLs
exe.dropper

http://62.204.41.192/-LOD/LOD.exe

Extracted

Language hta
Source
URLs
hta.dropper

http://62.204.41.192/-A/AutoRun.oo

Extracted

Family

redline

C2

45.132.1.57:15771

Attributes
auth_value
9d006a439ab657f87bacd7a8c5f366b6

Extracted

Family

redline

Botnet

pab777

C2

185.215.113.15:6043

Extracted

Family

redline

Botnet

test

C2

109.248.175.92:30766

Attributes
auth_value
92e419e2bde5b23302f8f16ed7a4adbc

Extracted

Family

redline

Botnet

MIX2

C2

45.132.1.57:15771

Attributes
auth_value
f5efeb0fa57eb56935fd3ba6d5750a9d

Extracted

Family

djvu

C2

http://fuyt.org/test3/get.php

Attributes
extension
.qbaa
offline_id
rpx4UUTYZiAR5omq187UvM233jloVHyJUkA8s3t1
payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

redline

Botnet

ruzki (check bio)

C2

103.133.111.182:44839

Attributes
auth_value
767fa45398d3ac4a23de20d0480c2b03

Extracted

Language ps1
Deobfuscated
URLs
ps1.dropper

http://62.204.41.192/-RED/RED.oo

Extracted

Language ps1
Deobfuscated
URLs
exe.dropper

http://62.204.41.192/AMSI/ecco.exe

Extracted

Language ps1
Deobfuscated
URLs
exe.dropper

http://62.204.41.192/AMSI/css.bat

Extracted

Family

vidar

Version

40.2

Botnet

706

C2

https://kipriauka.tumblr.com/

Attributes
profile_id
706

Extracted

Family

socelars

C2

https://sa-us-bucket.s3.us-east-2.amazonaws.com/qwwgh/

Extracted

Family

redline

Botnet

fullwork1488

C2

91.243.32.165:41754

Attributes
auth_value
a4384deb7b09a3c1c21c6447924c2d9a

Extracted

Family

redline

Botnet

333333

C2

31.210.20.42:13040

Attributes
auth_value
3efa022bc816f747304fd68e5810bb78

Targets

    • Target

      15F4E965344A38B07713363133E6624F72DB10CB29796.exe

    • Size

      4MB

    • MD5

      0cc27690e2886c785a303112d1480b55

    • SHA1

      f4723a92fb1c26fcd2f1cd9e8ce7b4a9c0e4f49b

    • SHA256

      15f4e965344a38b07713363133e6624f72db10cb297967e91608eec1020e6b1d

    • SHA512

      fbc41abd098997d9394e6f1692de5bac6add35215a03147c6d2a7956274c1cfafd42d364258cc147db074ae610c2a4d9491bad8f2a1f5fee86b50b7c945a334d

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Modifies Windows Defender Real-time Protection settings

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • Process spawned unexpected child process

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

    • RedLine

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

    • RedLine Payload

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • OnlyLogger Payload

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix

Command and Control

    Credential Access

    Execution

      Exfiltration

        Impact

          Initial Access

            Lateral Movement

              Privilege Escalation