General

  • Target
    coderoom-main.zip
  • Size 29.1MB
  • Sample250311-tp2gvsxpv2
  • SHA256 1193157e2a338dbe8d057b125d36fffd2c05be694c1bfdaaf49d52e30bd08ebd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • remcos

Version
  • 6.1.0 Light

Botnet
  • Firefox

C2
  • 91.135.156.200:8109

Attributes
  • audio_folder

    Ìèêðîôîííûå çàïèñè

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Firefox spr

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    6C@=0;K.dat

  • keylog_flag

    false

  • keylog_folder

    firefox tsms

  • mouse_option

    false

  • mutex

    Ðìê-ZYOV7X

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Ñêðèíøîòû

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family
  • remcos

Botnet
  • firefox tsms

C2
  • 91.135.156.200:8109

Attributes
  • audio_folder

    Ìèêðîôîííûå çàïèñè

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    firefox tsm.exe

  • copy_folder

    firefox tsm

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    temp.dat

  • keylog_flag

    false

  • keylog_folder

    data firewall

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Ðìê-QPMRI0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Ñêðèíøîòû

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family
  • remcos

Botnet
  • firefox mts

C2
  • 91.135.156.200:8109

Attributes
  • audio_folder

    Ìèêðîôîííûå çàïèñè

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    app.exe

  • copy_folder

    firefox tsms

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    cfg.dat

  • keylog_flag

    false

  • keylog_folder

    firefox mssd

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Ðìê-HQT17V

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Ñêðèíøîòû

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family
  • remcos

Botnet
  • new new

C2
  • 135.125.189.140:1040

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    uptime.exe

  • copy_folder

    update

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    restarting.dat

  • keylog_flag

    false

  • keylog_path

    %Temp%

  • mouse_option

    false

  • mutex

    ROA35Q-Y3LF93

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Extracted

Family
  • lumma

C2
  • https://absoulpushx.life/api

  • https://begindecafer.world/api

  • https://0garagedrootz.top/api

  • https://modelshiverd.icu/api

  • https://arisechairedd.shop/api

  • https://catterjur.run/api

  • https://orangemyther.live/api

  • https://fostinjec.today/api

  • https://sterpickced.digital/api

  • https://organicfxecrets.today/api

  • https://explorebieology.run/api

  • https://gadgethgfub.icu/api

  • https://moderzysics.top/api

  • https://techmindzs.live/api

  • https://codxefusion.top/api

  • https://phygcsforum.life/api

  • https://techspherxe.top/api

  • https://earthsymphzony.today/api

  • https://cueddlycrea.run/api

  • https://garagedrootz.top/api

Extracted

Family
  • lumma

C2
  • https://organicfxecrets.today/api

  • https://moderzysics.top/api

Targets

    • Target
      coderoom-main/Service.exe
    • Size 281KB
    • SHA256 31bbfded45a9815b54db6f95ea71498dc8c18eede71a3a6810bdf5b37ab5f56b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    6/10
    • Looks up external IP address via web service

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

    • Target
      coderoom-main/biopderfawd.exe
    • Size 6.8MB
    • SHA256 d01f06838b39583de6738d8b0e9d2b7c0414b4801ccab1d71b2b03c2958a528c
    • MD5 SHA1 SHA512 SSDEEP
    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Creates new service(s)

    • Stops running service(s)

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    • Target
      coderoom-main/biyhoksefdad.exe
    • Size 1.3MB
    • SHA256 70870a58aa5a47c9cb1e913883e8c7e08fb49c9018dc08e05af3cad3dad203d8
    • MD5 SHA1 SHA512 SSDEEP
    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • 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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      coderoom-main/boilfdsefSQ.exe
    • Size 431KB
    • SHA256 f41eafd14e60035082f6313e0f7cbbff3a6e90defe48aa3e000793b94b007e87
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      coderoom-main/boost.exe
    • Size 5KB
    • SHA256 86db4cd31548241c2ced14ad3d6e7949d103c09526cb89b70575cd3dcb3eb6da
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      coderoom-main/boyjhpskdfawd.exe
    • Size 612KB
    • SHA256 3742bec392d2ec8b02a3f77594cd0f5ac303dc1a4d2eadb4821547e345333ed9
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • Reads user/profile data of web browsers

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

    • Looks up external IP address via web service

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

    • Target
      coderoom-main/crossings.exe
    • Size 487KB
    • SHA256 c0297a465ab62db781cd06295004e14eac2d87905b5015b1cc02b446a34bf042
    • MD5 SHA1 SHA512 SSDEEP
    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Remcos family

    • Adds policy Run key to start application

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • Target
      coderoom-main/dawothjkjad.exe
    • Size 1.2MB
    • SHA256 a51011b9f87c36b6ac3c29fa310b51e0d19cda3938d1f4e61b46432d8e39969e
    • MD5 SHA1 SHA512 SSDEEP
    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • 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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      coderoom-main/fffffffsa.exe
    • Size 3.1MB
    • SHA256 e2797eec2f82e9f93bed5c70adacecab791441199814ae333c45c7bf1c70ab6b
    • MD5 SHA1 SHA512 SSDEEP
    • Executes dropped EXE

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • UPX packed file

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

    • Target
      coderoom-main/fun.exe
    • Size 6KB
    • SHA256 e572f5c5137fc96f2c7472069fc96b12285c3467385d113dc7ffef21a8e226e5
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      coderoom-main/jthkadktjhja.exe
    • Size 1.2MB
    • SHA256 c3efd5418abf873a15fbce5e230bb81ef09a0ca01f39c483b5086d2854c760a0
    • MD5 SHA1 SHA512 SSDEEP
    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • 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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      coderoom-main/jtijhkasdjrhg.exe
    • Size 538KB
    • SHA256 077364482914188a642ea8de919005104d1609840ac543f6479bf63fc3c54d67
    • MD5 SHA1 SHA512 SSDEEP
    • 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

    • Checks installed software on the system

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

    • Target
      coderoom-main/monrealetrussoa.exe
    • Size 1.3MB
    • SHA256 1f3227891f6009399911bd4b45509cabae874807a3557348890a7cc0055973bb
    • MD5 SHA1 SHA512 SSDEEP
    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • 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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      coderoom-main/mvtijadjtrhawd.exe
    • Size 1.3MB
    • SHA256 d63d458494c853be3e861c15d6a206990e1f13d9551ac700b1265151faab20e2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      coderoom-main/nbtoaesudjajwd.exe
    • Size 3.1MB
    • SHA256 cfdf1d2768ed773c3f5b2c2a03d7892551ea79b181068c23a765f1e09a8c90b1
    • MD5 SHA1 SHA512 SSDEEP
    • Executes dropped EXE

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • UPX packed file

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

    • Target
      coderoom-main/nbtypsfikkad.exe
    • Size 6.8MB
    • SHA256 76de12fc1c2446150168ccb2520dea6b5f30ab53fb5cfae8926abcebf5c8364d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      coderoom-main/nbvtojsdawh.exe
    • Size 1.3MB
    • SHA256 cb888774ee7f7ddf235b38e08b267ddb86bd9458b6e8701593a871977033e3f3
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

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

    • Dcrat family

    • DCRat payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Target
      coderoom-main/nbyosapefdkhasd.exe
    • Size 830KB
    • SHA256 708b90620e944806d2ad832646b09f6b94d64935fb1eb6c056ac6da6049055d4
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

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

    • Dcrat family

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

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

    • DCRat payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Drops file in System32 directory

    • Target
      coderoom-main/nobtpajdjthawd.exe
    • Size 922KB
    • SHA256 c1a4e75659105f547ab3ed1d3cd2b159f59841db1d77288601d005655132fe22
    • MD5 SHA1 SHA512 SSDEEP
    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • Target
      coderoom-main/nogtpjadthaw.exe
    • Size 1.3MB
    • SHA256 f4aa315f8ff0c107dce56c88112e061f4e6260682eaf0ffc42a5bcf0d5fd6b8d
    • MD5 SHA1 SHA512 SSDEEP
    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Reads user/profile data of local email clients

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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      coderoom-main/ntohlasdlrg.exe
    • Size 363KB
    • SHA256 cfb21d5e810fd19a459bb7f099ce1095c8811cf0674e4d7940f6ca2d29593a9f
    • MD5 SHA1 SHA512 SSDEEP
    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      coderoom-main/ntohlsakdth.exe
    • Size 2.4MB
    • SHA256 77f89edc608310294fb98dd03be1c1b855482cebf1222b7bed671f59961f1b52
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

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

    • Dcrat family

    • DCRat payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Target
      coderoom-main/nyoilsafkjawd.exe
    • Size 487KB
    • SHA256 fa1c16a3024d35ebc4f6996d1791ead89a08dae2ebd87e39c9997c04613c4645
    • MD5 SHA1 SHA512 SSDEEP
    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Remcos family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • Target
      coderoom-main/oyjijsfjjtyhad.exe
    • Size 538KB
    • SHA256 b3f87af043d22e844171b6bf66e4a6d966d880c0dd8e8aa61f25ac382546b3af
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      coderoom-main/thawdtyh.exe
    • Size 486KB
    • SHA256 78cc96452121dc657a87c79561272f3669f781d24265a7a2ab853a5670fff80d
    • MD5 SHA1 SHA512 SSDEEP
    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Remcos family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Target
      coderoom-main/vktyhkakwdrg.exe
    • Size 1.3MB
    • SHA256 d5acf2451a1683b2e702f8da1dee3c0c908f6683b899e5ebe8b4614f1870a410
    • MD5 SHA1 SHA512 SSDEEP
    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • 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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks

static1

firefoxfirefox tsmsupxratfirefox mtsnew newremcosdcrat
Score
10/10

behavioral1

Score
6/10

behavioral2

xmrigdefense_evasionexecutionminerpersistence
Score
10/10

behavioral3

lummadiscoveryspywarestealer
Score
10/10

behavioral4

discovery
Score
3/10

behavioral5

discovery
Score
3/10

behavioral6

spywarestealer
Score
7/10

behavioral7

remcosfirefox tsmsdiscoverypersistencerat
Score
10/10

behavioral8

lummadiscoveryspywarestealer
Score
10/10

behavioral9

credential_accessdiscoveryspywarestealerupx
Score
7/10

behavioral10

discovery
Score
3/10

behavioral11

lummadiscoveryspywarestealer
Score
10/10

behavioral12

discoveryspywarestealer
Score
7/10

behavioral13

lummadiscoveryspywarestealer
Score
10/10

behavioral14

lummadiscoverystealer
Score
10/10

behavioral15

credential_accessdiscoveryspywarestealerupx
Score
7/10

behavioral16

Score
1/10

behavioral17

dcratdiscoveryinfostealerrat
Score
10/10

behavioral18

dcratdiscoveryexecutioninfostealerpersistencerat
Score
10/10

behavioral19

discoverypersistence
Score
7/10

behavioral20

lummadiscoveryspywarestealer
Score
10/10

behavioral21

lummadiscoveryexecutionspywarestealer
Score
10/10

behavioral22

dcratdiscoveryinfostealerratspywarestealer
Score
10/10

behavioral23

remcosfirefox mtsdiscoverypersistencerat
Score
10/10

behavioral24

Score
1/10

behavioral25

remcosnew newdiscoverypersistencerat
Score
10/10

behavioral26

lummadiscoveryspywarestealer
Score
10/10