General

  • Target

    Downloads.rar

  • Size

    139MB

  • Sample

    201118-cv5nmgp86e

  • MD5

    f69be0b5e5b4b203013e7504fd24751e

  • SHA1

    ccb9cedd5ad3f880f9aa8754c0661ae69eed210e

  • SHA256

    e446bd97230671b6e38682ec9f3da7527c18dbd555efc7f27a52d144cf54edcc

  • SHA512

    3615aebd1cdd1eab2adee010210cc0f1f198bcd79d75d0d5c216acd17fefac121cff984c82aa1c580971ce49ffac0e77f54abf8d57622d065b4f38ce857dd7af

Malware Config

Extracted

Family

formbook

Version

4.0

C2

http://www.worstig.com/w9z/

Decoy

crazzysex.com

hanferd.com

gteesrd.com

bayfrontbabyplace.com

jicuiquan.net

relationshiplink.net

ohchacyberphoto.com

kauegimenes.com

powerful-seldom.com

ketotoken.com

make-money-online-success.com

redgoldcollection.com

hannan-football.com

hamptondc.com

vllii.com

aa8520.com

platform35markethall.com

larozeimmo.com

oligopoly.net

llhak.info

Extracted

Family

gozi_rm3

Attributes
exe_type
loader

Extracted

Family

gozi_rm3

Botnet

86920224

C2

https://sibelikinciel.xyz

Attributes
build
300869
exe_type
loader
server_id
12
url_path
index.htm
rsa_pubkey.plain
serpent.plain

Extracted

Family

danabot

C2

92.204.160.54

2.56.213.179

45.153.186.47

93.115.21.29

185.45.193.50

193.34.166.247

rsa_pubkey.plain

Extracted

Family

formbook

Version

4.1

C2

http://www.joomlas123.com/i0qi/

http://www.norjax.com/app/

Decoy

mytakeawaybox.com

goutaihuo.com

kuzey.site

uppertenpiercings.amsterdam

honeygrandpa.com

jenniferabramslaw.com

ncarian.com

heavilymeditatedhouston.com

gsbjyzx.com

akisanblog.com

taoyuanreed.com

jasperrvservices.com

yabbanet.com

myhealthfuldiet.com

flipdigitalcoins.com

toes.photos

shoottillyoumiss.com

maserental.com

smarteacher.net

hamdimagdeco.com

Extracted

Family

smokeloader

Version

2019

C2

http://advertserv25.world/logstatx77/

http://mailstatm74.club/logstatx77/

http://kxservx7zx.club/logstatx77/

http://dsmail977sx.xyz/logstatx77/

http://fdmail709.club/logstatx77/

http://servicestar751.club/logstatx77/

http://staradvert9075.club/logstatx77/

http://staradvert1883.club/logstatx77/

rc4.i32
rc4.i32

Extracted

Family

smokeloader

Version

2017

C2

http://92.53.105.14/

Extracted

Language ps1
Source
URLs
ps1.dropper

http://bit.do/fqhHT

exe.dropper

http://bit.do/fqhHT

Extracted

Language ps1
Source
URLs
ps1.dropper

http://zxvbcrt.ug/zxcvb.exe

exe.dropper

http://zxvbcrt.ug/zxcvb.exe

Extracted

Language ps1
Source
URLs
ps1.dropper

http://bit.do/fqhJv

exe.dropper

http://bit.do/fqhJv

Extracted

Language ps1
Source
URLs
ps1.dropper

http://pdshcjvnv.ug/zxcvb.exe

exe.dropper

http://pdshcjvnv.ug/zxcvb.exe

Extracted

Language ps1
Source
URLs
ps1.dropper

http://bit.do/fqhJD

exe.dropper

http://bit.do/fqhJD

Extracted

Language ps1
Source
URLs
ps1.dropper

http://rbcxvnb.ug/zxcvb.exe

exe.dropper

http://rbcxvnb.ug/zxcvb.exe

Extracted

Family

raccoon

Botnet

5e4db353b88c002ba6466c06437973619aad03b3

Attributes
url4cnc
https://telete.in/brikitiki
rc4.plain
rc4.plain

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

asyncrat

Version

0.5.7B

C2

agentttt.ac.ug:6970

agentpurple.ac.ug:6970

Attributes
aes_key
16dw6EDbQkYZp5BTs7cmLUicVtOA4UQr
anti_detection
false
autorun
false
bdos
false
delay
Default
host
agentttt.ac.ug,agentpurple.ac.ug
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
6970
version
0.5.7B
aes.plain

Extracted

Credentials

Protocol: ftp

Host: 109.248.203.81

Port: 21

Username: alex

Password: easypassword

Targets

    • Target

      1.bin/1.bin

    • Size

      12MB

    • MD5

      af8e86c5d4198549f6375df9378f983c

    • SHA1

      7ab5ed449b891bd4899fba62d027a2cc26a05e6f

    • SHA256

      7570a7a6830ade05dcf862d5862f12f12445dbd3c0ad7433d90872849e11c267

    • SHA512

      137f5a281aa15802e300872fdf93b9ee014d2077c29d30e5a029664eb0991af2afbe1e5c53a9d7bff8f0508393a8b7641c5a97b4b0e0061befb79a93506c94e1

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    • Danabot

      Danabot is a modular banking Trojan that has been linked with other malware.

    • Danabot x86 payload

      Detection of Danabot x86 payload, mapped in memory during the execution of its loader.

    • Formbook

      Formbook is a data stealing malware which is capable of stealing data.

    • Gozi RM3

      A heavily modified version of Gozi using RM3 loader.

    • AgentTesla Payload

    • CryptOne packer

      Detects CryptOne packer defined in NCC blogpost.

    • Formbook Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Executes dropped EXE

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      2019-09-02_22-41-10.exe

    • Size

      251KB

    • MD5

      924aa6c26f6f43e0893a40728eac3b32

    • SHA1

      baa9b4c895b09d315ed747b3bd087f4583aa84fc

    • SHA256

      30f9db1f5838abb6c1580fdfb7f5dcfd7c2ac8cfac50c2edd0c8415d66212c95

    • SHA512

      3cb6fd659aff46eaa62b0e647ccebeecb070ba0bb27e1cc037b33caf23c417e75f476e1c08e1b5f3b232c4640995ae5afa43bfd09252d318fe5eec0d18de830a

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    • Target

      31.exe

    • Size

      12MB

    • MD5

      af8e86c5d4198549f6375df9378f983c

    • SHA1

      7ab5ed449b891bd4899fba62d027a2cc26a05e6f

    • SHA256

      7570a7a6830ade05dcf862d5862f12f12445dbd3c0ad7433d90872849e11c267

    • SHA512

      137f5a281aa15802e300872fdf93b9ee014d2077c29d30e5a029664eb0991af2afbe1e5c53a9d7bff8f0508393a8b7641c5a97b4b0e0061befb79a93506c94e1

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    • Danabot

      Danabot is a modular banking Trojan that has been linked with other malware.

    • Danabot x86 payload

      Detection of Danabot x86 payload, mapped in memory during the execution of its loader.

    • Formbook

      Formbook is a data stealing malware which is capable of stealing data.

    • Gozi RM3

      A heavily modified version of Gozi using RM3 loader.

    • AgentTesla Payload

    • CryptOne packer

      Detects CryptOne packer defined in NCC blogpost.

    • Formbook Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Executes dropped EXE

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Suspicious use of SetThreadContext

    • Target

      3DMark 11 Advanced Edition.exe

    • Size

      11MB

    • MD5

      236d7524027dbce337c671906c9fe10b

    • SHA1

      7d345aa201b50273176ae0ec7324739d882da32e

    • SHA256

      400b64f8c61623ead9f579b99735b1b0d9febe7c829e8bdafc9b3a3269bbe21c

    • SHA512

      e5c2f87923b3331719261101b2f606298fb66442e56a49708199d8472c1ac4a72130612d3a9c344310f36fcb3cf39e4637f7dd8fb3841c61b01b95bb3794610a

    Score
    1/10
    • Target

      5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

    • Size

      669KB

    • MD5

      ead18f3a909685922d7213714ea9a183

    • SHA1

      1270bd7fd62acc00447b30f066bb23f4745869bf

    • SHA256

      5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

    • SHA512

      6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

    • UPX packed file

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

    • Modifies file permissions

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Target

      Archive.zip__ccacaxs2tbz2t6ob3e.exe

    • Size

      430KB

    • MD5

      a3cab1a43ff58b41f61f8ea32319386b

    • SHA1

      94689e1a9e1503f1082b23e6d5984d4587f3b9ec

    • SHA256

      005d3b2b78fa134092a43e53112e5c8518f14cf66e57e6a3cc723219120baba6

    • SHA512

      8f084a866c608833c3bf95b528927d9c05e8d4afcd8a52c3434d45c8ba8220c25d2f09e00aade708bbbc83b4edea60baf826750c529e8e9e05b1242c56d0198d

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Drops desktop.ini file(s)

    • 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

    • Target

      CVE-2018-15982_PoC.swf

    • Size

      12KB

    • MD5

      82fe94beb621a4368e76aa4a51998c00

    • SHA1

      b7c79b8f05c3d998e21d01b07b9ba157160581a9

    • SHA256

      c61dd1b37cbf2d72e3670e3c8dff28959683e6d85b8507cda25efe1dffc04bdb

    • SHA512

      055677c2194ff132dc3c50ef900a36a0e4b8e5b85d176047fdefdec049aff4d5e2db1ccffefaf65575b4ca41e81fd24beb3c7cfd2fce6275642638d0cf624d27

    Score
    3/10
    • Target

      CVWSHSetup[1].bin/WSHSetup[1].exe

    • Size

      898KB

    • MD5

      cb2b4cd74c7b57a12bd822a168e4e608

    • SHA1

      f2182062719f0537071545b77ca75f39c2922bf5

    • SHA256

      5987a6e42c3412086b7c9067dc25f1aaa659b2b123581899e9df92cb7907a3ed

    • SHA512

      7a38be8c1270b1224be4975ad442a964b2523c849f748e5356156cdce39e494c64ca80b0d99c1d989d77f072902de8972e0b113894c9791fb0cabf856dbba348

    Score
    3/10
    • Target

      DiskInternals_Uneraser_v5_keygen.exe

    • Size

      12MB

    • MD5

      17c4b227deaa34d22dd0addfb0034e04

    • SHA1

      0cf926384df162bc88ae7c97d1b1b9523ac6b88c

    • SHA256

      a64f6d4168bbb66930b32482a88193c45d8aae6af883714d6688ed407e176a6e

    • SHA512

      691751cf5930563fc33aa269df87284ef5d69ae332faed3a142529babd988c54ec86a3517ea2e71373491bbb39962e801feb731e1d564c7294ae517b754ffc0c

    Score
    1/10
    • Target

      ForceOp 2.8.7 - By RaiSence.exe

    • Size

      1MB

    • MD5

      0a88ebdd3ae5ab0b006d4eaa2f5bc4b2

    • SHA1

      6bf1215ac7b1fde54442a9d075c84544b6e80d50

    • SHA256

      26509645fe956ff1b7c540b935f88817281b65413c62da67e597eaefb2406680

    • SHA512

      54c8cde607bd33264c61dbe750a34f8dd190dfa400fc063b61efcd4426f0635c8de42bc3daf8befb14835856b4477fec3bdc8806c555e49684528ff67dd45f37

    Score
    10/10
    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Executes dropped EXE

    • Loads dropped DLL

    • Target

      HYDRA.exe

    • Size

      2MB

    • MD5

      c52bc39684c52886712971a92f339b23

    • SHA1

      c5cb39850affb7ed322bfb0a4900e17c54f95a11

    • SHA256

      f8c17cb375e8ccad5b0e33dae65694a1bd628f91cac6cf65dd11f50e91130c2d

    • SHA512

      2d50c1aa6ca237b9dbe97f000a082a223618f2164c8ab42ace9f4e142c318b2fc53e91a476dbe9c2dd459942b61507df5c551bd5c692a2b2a2037e4f6bd2a12b

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Target

      Keygen.exe

    • Size

      849KB

    • MD5

      dbde61502c5c0e17ebc6919f361c32b9

    • SHA1

      189749cf0b66a9f560b68861f98c22cdbcafc566

    • SHA256

      88cad5f9433e50af09ac9cad9db06e9003e85be739060b88b64186c05c0d636b

    • SHA512

      d9b8537f05844ec2f2549e2049e967a8023bfe432e3a9cf25fc0f7ad720e57a5830be733e1812cc806c5b68cd9586a031e394f67fc7e3f7fe390625fd5dedfbb

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Modifies Windows Defender Real-time Protection settings

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • Async RAT payload

    • ModiLoader First Stage

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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.

    • Drops desktop.ini file(s)

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      Lonelyscreen.1.2.9.keygen.by.Paradox/Lonelyscreen.1.2.9.keygen.by.Paradox.exe

    • Size

      13MB

    • MD5

      48c356e14b98fb905a36164e28277ae5

    • SHA1

      d7630bd683af02de03aebc8314862c512acd5656

    • SHA256

      b2f43148c08f4fe2a0902873813fd7bbb9b513920089939c220826097480396c

    • SHA512

      278ae5723544691844aae917938c7ab835f5da9c01c59472497112ca9f5d326a2586fa0bc79fbd0d907aab972b3f855c0087656c5e10504adc760b756ada221b

    Score
    1/10
    • Target

      LtHv0O2KZDK4M637.exe

    • Size

      10MB

    • MD5

      5e25abc3a3ad181d2213e47fa36c4a37

    • SHA1

      ba365097003860c8fb9d332f377e2f8103d220e0

    • SHA256

      3e385633fc19035dadecf79176a763fe675429b611dac5af2775dd3edca23ab9

    • SHA512

      676596d21cab10389f47a3153d53bbd36b161c77875a4e4aa976032770cb4ec7653c521aaeda98ab4da7777e49f426f4019298d5fc4ed8be2f257e9d0868d681

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Modifies Windows Defender Real-time Protection settings

    • Modifies visiblity of hidden/system files in Explorer

    • RMS

      Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

    • UAC bypass

    • Windows security bypass

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets DLL path for service in the registry

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Stops running service(s)

    • UPX packed file

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • 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.

    • Modifies WinLogon

    • Target

      Magic_File_v3_keygen_by_KeygenNinja.exe

    • Size

      8MB

    • MD5

      80e5a163c5396401b58a3b24f2e00d38

    • SHA1

      589accaeeca95b8d69fa7bc14f402925dd338a6a

    • SHA256

      72fae9a9d8cfd546975fd86222bc1f7f70133d0845798a683569bb8119ffa3b1

    • SHA512

      cc0ede6416032035943522e5249ac378da4ba58ab836d13b53907567a65f0c296aa7263523ca23f1843fb86a88d123864e9385f4b97bac870a110f6fd2ddf1e6

    Score
    1/10
    • Target

      OnlineInstaller.exe

    • Size

      3MB

    • MD5

      4b042bfd9c11ab6a3fb78fa5c34f55d0

    • SHA1

      b0f506640c205d3fbcfe90bde81e49934b870eab

    • SHA256

      59c662a5207c6806046205348b22ee45da3f685fe022556716dbbd6643e61834

    • SHA512

      dae5957c8eee5ae7dd106346f7ea349771b693598f3d4d54abb39940c3d1a0b5731c8d4e07c29377838988a1e93dcd8c2946ce0515af87de61bca6de450409d3

    Score
    8/10
    • Drops file in Drivers directory

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks for any installed AV software in registry

    • Drops file in System32 directory

MITRE ATT&CK Matrix

Tasks