Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 08:03

General

  • Target

    47a23aee342a69b3979d59f87d87f257.exe

  • Size

    225KB

  • MD5

    47a23aee342a69b3979d59f87d87f257

  • SHA1

    be425b1bee70b0f65013e22a08f7e23b7bf39f98

  • SHA256

    523437805fcc7f3356f98479d5f7c268717886b41240a8b4466188fea8644f60

  • SHA512

    dd11ac67a0dc8f6db4c20b672e7b50cc0759c49ebf37ea823d1d6c9d48bd642e7b64e5bc07da8eb8213ad01dc592f07eb3d6d50691e32db971be415fdacd68fe

  • SSDEEP

    6144:QBn1JHfQuipH5+jN4Zaen4dngz69VtVlz39YAd7:gdfQt5aNR6ctLz3v

Malware Config

Extracted

Family

formbook

Campaign

henz

Decoy

IxWMb+jVsoinShuZJzk=

TPfKgQZ//oGnKr/J

EsK0WxD5kY65XOW1Td/5CxSUpCUytR7M

KebSmiCP9p8yUw==

HAt/ljkEuqMLHOLCi53Pv8MKX9qk

CY4ogZTwJc4vSw==

WWDIx5UYUDyepntE0YIAPca3/rI=

+Pkr01Lfb2rME7bL

S5nyK0p8jS2xdwQ=

W/oqvlO57LfkLcLHnQ==

zrrwtqkTLwxulm4l8FGopw==

AqucYext8bzFbOKthIm8E6gfVkUHxKY=

OfnjeDs78+RTcz4OHRl+

XKf1wwpZR5hLLjHgmUGOpQ==

JMyhSLoJPTCwn5o9zX2d8i1+

Wk54MBsDhWSVbnIRkQ==

7aaYR/tOhh9piTw5/KHSRwuK2iqgafw7pQ==

hH/EYxN+jC2xdwQ=

S0F4ORqDjS2xdwQ=

0o/UwXnuJ+sJp0cOHRl+

Signatures

  • Formbook

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

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Users\Admin\AppData\Local\Temp\47a23aee342a69b3979d59f87d87f257.exe
      "C:\Users\Admin\AppData\Local\Temp\47a23aee342a69b3979d59f87d87f257.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Users\Admin\AppData\Local\Temp\urvome.exe
        "C:\Users\Admin\AppData\Local\Temp\urvome.exe" C:\Users\Admin\AppData\Local\Temp\drualqgndu.a
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1108
        • C:\Users\Admin\AppData\Local\Temp\urvome.exe
          "C:\Users\Admin\AppData\Local\Temp\urvome.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:2024
    • C:\Windows\SysWOW64\msdt.exe
      "C:\Windows\SysWOW64\msdt.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:988

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\drualqgndu.a
      Filesize

      5KB

      MD5

      00f3de26d2dfe17db7189de34de9e10c

      SHA1

      7c9cdcd7f76b9855ab8d38c2171496b498ce1b31

      SHA256

      5f99a87302f03cf7ae0fd4d5899a498634e7838f278928f81d27f5616f644243

      SHA512

      04d682eb6583486c7cae1594ba6662e2c460e046e13c04ca1582a51d0e5adc0ed666cad52233231047c2e1149b6768577c5fc36364f840495effa8647fedc526

    • C:\Users\Admin\AppData\Local\Temp\ftatiernz.j
      Filesize

      185KB

      MD5

      8b7d9927165d6e675cb6462168d64efa

      SHA1

      7dd758d7109c5b752c76300ac25bc0c136f0bc06

      SHA256

      d2d461d60ae7f6483bbb7f684ee8197dcb67ce1c86f37800c6a5c64e859fabe7

      SHA512

      45b43645dc2bd12873cbdccb2fc503862840c1616561e570963dc1a22125a02d72e48e808d5b5a66e59bc56d68be0407c60535c56d6e61dd9fd4d1e5e22b15f2

    • C:\Users\Admin\AppData\Local\Temp\urvome.exe
      Filesize

      11KB

      MD5

      b4525f356375ad3e3666b19b9a8c85ea

      SHA1

      4e6eb0bea549c9864019d1c7cfce4e3501dd57b9

      SHA256

      35675e18407e7b062785f7570f11569a6b06581fee803bc7d4286510ba9824bc

      SHA512

      98ea5ba34d2161dddc6cf937a7044579fbb9c3a776ef448abb0b6b68912fcd407972c56d38cba5135dd3153d43b1a5d7ac07c9e9b65564c46608b3197efc1b33

    • C:\Users\Admin\AppData\Local\Temp\urvome.exe
      Filesize

      11KB

      MD5

      b4525f356375ad3e3666b19b9a8c85ea

      SHA1

      4e6eb0bea549c9864019d1c7cfce4e3501dd57b9

      SHA256

      35675e18407e7b062785f7570f11569a6b06581fee803bc7d4286510ba9824bc

      SHA512

      98ea5ba34d2161dddc6cf937a7044579fbb9c3a776ef448abb0b6b68912fcd407972c56d38cba5135dd3153d43b1a5d7ac07c9e9b65564c46608b3197efc1b33

    • C:\Users\Admin\AppData\Local\Temp\urvome.exe
      Filesize

      11KB

      MD5

      b4525f356375ad3e3666b19b9a8c85ea

      SHA1

      4e6eb0bea549c9864019d1c7cfce4e3501dd57b9

      SHA256

      35675e18407e7b062785f7570f11569a6b06581fee803bc7d4286510ba9824bc

      SHA512

      98ea5ba34d2161dddc6cf937a7044579fbb9c3a776ef448abb0b6b68912fcd407972c56d38cba5135dd3153d43b1a5d7ac07c9e9b65564c46608b3197efc1b33

    • \Users\Admin\AppData\Local\Temp\sqlite3.dll
      Filesize

      1.0MB

      MD5

      f1e5f58f9eb43ecec773acbdb410b888

      SHA1

      f1b8076b0bbde696694bbc0ab259a77893839464

      SHA256

      a15fd84ee61b54c92bb099dfb78226548f43d550c67fb6adf4cce3d064ab1c14

      SHA512

      0aff96430dd99bb227285fefc258014c301f85216c84e40f45702d26cdd7e77261a41fd3811d686f5fb2ee363cc651a014e8ffa339384004cece645a36486456

    • \Users\Admin\AppData\Local\Temp\urvome.exe
      Filesize

      11KB

      MD5

      b4525f356375ad3e3666b19b9a8c85ea

      SHA1

      4e6eb0bea549c9864019d1c7cfce4e3501dd57b9

      SHA256

      35675e18407e7b062785f7570f11569a6b06581fee803bc7d4286510ba9824bc

      SHA512

      98ea5ba34d2161dddc6cf937a7044579fbb9c3a776ef448abb0b6b68912fcd407972c56d38cba5135dd3153d43b1a5d7ac07c9e9b65564c46608b3197efc1b33

    • \Users\Admin\AppData\Local\Temp\urvome.exe
      Filesize

      11KB

      MD5

      b4525f356375ad3e3666b19b9a8c85ea

      SHA1

      4e6eb0bea549c9864019d1c7cfce4e3501dd57b9

      SHA256

      35675e18407e7b062785f7570f11569a6b06581fee803bc7d4286510ba9824bc

      SHA512

      98ea5ba34d2161dddc6cf937a7044579fbb9c3a776ef448abb0b6b68912fcd407972c56d38cba5135dd3153d43b1a5d7ac07c9e9b65564c46608b3197efc1b33

    • memory/1108-56-0x0000000000000000-mapping.dmp
    • memory/1324-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp
      Filesize

      8KB

    • memory/1400-81-0x000007FEE4150000-0x000007FEE415A000-memory.dmp
      Filesize

      40KB

    • memory/1400-80-0x000007FEF5D20000-0x000007FEF5E63000-memory.dmp
      Filesize

      1.3MB

    • memory/1400-79-0x0000000006B00000-0x0000000006C50000-memory.dmp
      Filesize

      1.3MB

    • memory/1400-76-0x0000000006B00000-0x0000000006C50000-memory.dmp
      Filesize

      1.3MB

    • memory/1400-69-0x0000000003E40000-0x0000000003F30000-memory.dmp
      Filesize

      960KB

    • memory/1472-74-0x00000000021E0000-0x00000000024E3000-memory.dmp
      Filesize

      3.0MB

    • memory/1472-72-0x0000000000470000-0x0000000000564000-memory.dmp
      Filesize

      976KB

    • memory/1472-73-0x0000000000080000-0x00000000000AD000-memory.dmp
      Filesize

      180KB

    • memory/1472-70-0x0000000000000000-mapping.dmp
    • memory/1472-75-0x0000000001FA0000-0x000000000202F000-memory.dmp
      Filesize

      572KB

    • memory/1472-77-0x0000000000080000-0x00000000000AD000-memory.dmp
      Filesize

      180KB

    • memory/2024-68-0x00000000000F0000-0x0000000000100000-memory.dmp
      Filesize

      64KB

    • memory/2024-67-0x00000000009E0000-0x0000000000CE3000-memory.dmp
      Filesize

      3.0MB

    • memory/2024-66-0x0000000000401000-0x000000000042F000-memory.dmp
      Filesize

      184KB

    • memory/2024-65-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB

    • memory/2024-63-0x00000000004012B0-mapping.dmp