General

  • Target
    jet.zip
  • Size 112.6MB
  • Sample240709-cc3qqazgrl
  • SHA256 5188c69bd772ebe6ca8b34e8c08eec90f63ffcf1d6ab20287e074732da21076a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • gurcu

C2
  • https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendDocument?chat_id=-1002245526003&caption=%F0%9F%93%82%20-%20Browser%20data%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%82%20-%20cookies(0%20kb

  • https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendMessage?chat_id=-1002245526003

  • https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/getUpdates?offset=-

  • https://api.telegram.org/bot7457548429:AAGMvKYWjBbGXayEC5uoksRl1i2BIy7ylDg/sendMessage?chat_id=6024388590

  • https://api.telegram.org/bot7457548429:AAGMvKYWjBbGXayEC5uoksRl1i2BIy7ylDg/getUpdates?offset=-

  • https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendDocument?chat_id=-1002245526003&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target
      _collections_abc.pyc
    • Size 50KB
    • SHA256 76009d50c62573b55d2aac99cee43d008eff99d8bc8a9ad886bad5337e971153
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      _weakrefset.pyc
    • Size 12KB
    • SHA256 00fc576c9c1b7e42ec1d16ce25ad7b8306be7a121c222bff42f329789542d9ae
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      abc.pyc
    • Size 8KB
    • SHA256 34361a95c9ade263424795d9c92ae5ef3af4038ca1de6b60ba724bc60f9a5f5d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      codecs.pyc
    • Size 43KB
    • SHA256 26f5af7ce859a1016d0dd30ae1084751d18e50b6b2ce991314fe060ae6880845
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      collections/__init__.pyc
    • Size 76KB
    • SHA256 b6e3ba56de7ef07710636c9de0494b130a1bb48e4faa581e6f393253c20fa34d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      collections/abc.pyc
    • Size 274B
    • SHA256 29691e0832cd8599185eca7bacae1b089fbfcd201ee7a1c5b676acb5b0edbefd
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      copyreg.pyc
    • Size 7KB
    • SHA256 056b9af052b9a66ce520d0ece213ad1e14f984095324214dc57207f36d714916
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      encodings/__init__.pyc
    • Size 6KB
    • SHA256 314086193c51b899c10d94e3faffd59b741d29dc5acbfd1a418a96cd8f21bff9
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      encodings/aliases.pyc
    • Size 12KB
    • SHA256 a94e50c1a052ee82c4d59180b082c00c101fbec295700855958cc0a5052d1e05
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      encodings/ascii.pyc
    • Size 2KB
    • SHA256 d1cc838d84d63c045851c0ec014a44de5babe63b0ab87fd0e3234a412ce2a375
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      encodings/base64_codec.pyc
    • Size 3KB
    • SHA256 7afec742dddf38d4c30ede023b0c8b36b1f5c9537466f380316dfda0805600c0
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      encodings/big5.pyc
    • Size 2KB
    • SHA256 385ecbb815e394c4247aa125c352f55ebcc9a3fd272bac494b25a31a576aaa1b
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      encodings/big5hkscs.pyc
    • Size 2KB
    • SHA256 928f752c3884b363b7314a17beca565ceb97514331ae99984ee71a75abe79d07
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      encodings/bz2_codec.pyc
    • Size 4KB
    • SHA256 8a0eeef9900c16eda30b5dc6e7b4902da24b6e41f05f5d4cd35bcc5067e0ef34
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      encodings/charmap.pyc
    • Size 4KB
    • SHA256 6666c397b110390c8e61d26a34ca15a1335e632af1b843c9be41445e808f130a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      encodings/cp037.pyc
    • Size 3KB
    • SHA256 5a3649822f3bd73867e1289d70a9849773a64df28b51d99e1b8b8c84afe71433
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      encodings/cp1006.pyc
    • Size 3KB
    • SHA256 5434f0e8765ea97109ba318c3162c589fbf0a386cc3890c347e85bfcad64d628
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      encodings/cp1026.pyc
    • Size 3KB
    • SHA256 c0ba2b28c863a53fd6f1d35f3fde0e8d1d048a164c40de1374fb5828cc9f3c84
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      encodings/cp1125.pyc
    • Size 13KB
    • SHA256 ee8ca92652831899f465901eebc71f6e01a371183fa0e6e8ffb3816afa49f96c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      encodings/cp1140.pyc
    • Size 3KB
    • SHA256 b038536851a22a318fa169de101697d3960db3dcf4afa57f92cc43f90c7270d6
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      encodings/cp1250.pyc
    • Size 3KB
    • SHA256 1e875f73bff0ba30509669f2754a93971a157857b28b404cdc3dd8aee323f92e
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      encodings/cp1251.pyc
    • Size 3KB
    • SHA256 efcf3c2620072e6a0cc923795d9193aa495ce5186bf535fa742845383e8c5238
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      jet/build/jet/jet.pkg
    • Size 33.9MB
    • SHA256 55b27ab744fbbc1149e9336197c81c47027000751d6c8e76e755bdd89f6e9de2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      jet/build/jet/localpycs/pyimod01_archive.pyc
    • Size 6KB
    • SHA256 49d7a13720f41256dfd249c78f522b6abc44ccf527e01c36888711465b2703f7
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      jet/build/jet/localpycs/pyimod02_importers.pyc
    • Size 24KB
    • SHA256 6a04e26ec9353e3c5ca5963ead62c282338e438172d943ae372103d1176a1a02
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      jet/build/jet/localpycs/pyimod03_ctypes.pyc
    • Size 6KB
    • SHA256 9eab6f4314c91a04a7e63766867ec79a09f8741938646b1823a03cbebc2df1c5
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      jet/build/jet/localpycs/pyimod04_pywin32.pyc
    • Size 1KB
    • SHA256 e4be554242ddf614bced8612073dbb0b01e5240aa46ec0adabd4c67c2b973b0e
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      jet/build/jet/localpycs/struct.pyc
    • Size 360B
    • SHA256 251582e6a5dcc2c8059159e997de8754b2b52f47c13fb9f6246aeff0673509bb
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      jet/build/jet/xref-jet.html
    • Size 936KB
    • SHA256 d9671fc5d2b854114de0b11f0fb835f17c3373c987bdad835aa9cf04d17645fc
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      jet/crack.dll
    • Size 2.3MB
    • SHA256 031ba5a69b202f5d7a5dccb8fe7795aa711acdcf9d122e776f08badfd24a510e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      jet/jet.exe
    • Size 34.2MB
    • SHA256 1ed92d4e3caae52e8b39dbe22d031c4a057355befa038045ebc7383e1da1f9b9
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • Loads dropped DLL

    • Target
      jet/loader.exe
    • Size 39.3MB
    • SHA256 53d60f5a2e65c6aae90eb6e9f872cd381fc152f33e8227bef5fe27d61e09ceb3
    • MD5 SHA1 SHA512 SSDEEP
    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Command and Scripting Interpreter: PowerShell

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

    • Contacts a large (878) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Stops running service(s)

    • 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.

    • UPX packed file

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

static1

pyinstaller
Score
3/10

behavioral1

Score
3/10

behavioral2

Score
3/10

behavioral3

Score
3/10

behavioral4

Score
3/10

behavioral5

Score
3/10

behavioral6

Score
3/10

behavioral7

Score
3/10

behavioral8

Score
3/10

behavioral9

Score
3/10

behavioral10

Score
3/10

behavioral11

Score
3/10

behavioral12

Score
3/10

behavioral13

Score
3/10

behavioral14

Score
3/10

behavioral15

Score
3/10

behavioral16

Score
3/10

behavioral17

Score
3/10

behavioral18

Score
3/10

behavioral19

Score
3/10

behavioral20

Score
3/10

behavioral21

Score
3/10

behavioral22

Score
3/10

behavioral23

Score
3/10

behavioral24

Score
3/10

behavioral25

Score
3/10

behavioral26

Score
3/10

behavioral27

Score
3/10

behavioral28

Score
3/10

behavioral29

Score
1/10

behavioral30

Score
1/10

behavioral31

Score
7/10

behavioral32

gurcumilleniumratdiscoveryevasionexecutionpersistencepyinstallerratspywarestealerupx
Score
10/10