Analysis

  • max time kernel
    130s
  • max time network
    167s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 03:26

General

  • Target

    86199e3bb77549db526a2780727223842860d3e840d51123b705850261232db2.exe

  • Size

    381KB

  • MD5

    149924bd9dd9d34c6ee49f58843e44a9

  • SHA1

    7eabff27b0162dee877ada28b14db624685818f9

  • SHA256

    86199e3bb77549db526a2780727223842860d3e840d51123b705850261232db2

  • SHA512

    7eb4f440d670c45ba5ee1a5c16d7234ecfe979fb930afed84df671bec6281a8528192f3a84d200a2d566d1c2748a101295b4d31276458b8cf9ebae3c449e159d

  • SSDEEP

    6144:SpnVW0KxSqgG0szKp48Pz9oGzH5piuyyrlirifuCsKF2aJH17goLpY4h71QzH1T2:mVWrYpsK4iz9nzvlLZULXgHp24UzVWNV

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 6 IoCs
  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86199e3bb77549db526a2780727223842860d3e840d51123b705850261232db2.exe
    "C:\Users\Admin\AppData\Local\Temp\86199e3bb77549db526a2780727223842860d3e840d51123b705850261232db2.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Users\Public\Documents\Applicationrcjcms.exe
      C:\Users\Public\Documents\Applicationrcjcms.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1940
      • \??\c:\windows\SysWOW64\dxdiag.exe
        c:\windows\system32\dxdiag.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1720
        • \??\c:\windows\SysWOW64\cmd.exe
          cmd.exe /c rd "C:\Users\Admin\AppData\Roaming\gqkkpkzn\" /s /q
          4⤵
            PID:1948
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:1604

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    2
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    3
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\50272360\gconfig.jpg
      Filesize

      596B

      MD5

      529b5a3ca9dae94a324c56d9d892ea20

      SHA1

      90fc87b5591b11ddc9bb41048df2308a03f1ef09

      SHA256

      359799480d3d49a6acd999b6c2d8f15aca444c3770c45e42a46f161784a8b41e

      SHA512

      649124b134f70a91253e8cb96d792c5b05320411350b9395fb5b5fb9a311ecb0198ada7f1c102b1784f1cb8a2f63854a20a70dae3b5a94e872c9128464ac4b8c

    • C:\Users\Admin\AppData\Local\Temp\86199e3bb77549db526a2780727223842860d3e840d51123b705850261232db2.jpg
      Filesize

      77KB

      MD5

      1056902d0ac18740147a3b5e2d646d93

      SHA1

      b811a8bdce5af1a581d475c3ba9aa77c92564656

      SHA256

      3f9d54ae39c0a1119631ee605bb43cbb1965fe1c1652c0485e981aee74a57153

      SHA512

      dfe81bc239aae188a643ddca378168bdabf47c1e7ab6716b5db8fa2dbad07c6efd17a26c14a1e9e2008932f0122be66138ef922ee5859c7242ff2ef56be14484

    • C:\Users\Admin\AppData\Local\Temp\qxx.zip
      Filesize

      25B

      MD5

      1419fe2ce5effdb4e2b826ad579043b6

      SHA1

      e3c2d092b31727ee0acac58adc1092c9499a4d6f

      SHA256

      a95fee534d75fbb2caf696bcb03adf84cdf80a0c913fbac73d367c2f54b08ecf

      SHA512

      71804a4f51180b69c4714413df56fbea153d01a16f7281a096daded3a27f7cc0fe02d48416cf9f18715df0fd7cd9e10201635c9886d411243cc5676810ee0e4c

    • C:\Users\Public\Documents\Applicationrcjcms.exe
      Filesize

      381KB

      MD5

      149924bd9dd9d34c6ee49f58843e44a9

      SHA1

      7eabff27b0162dee877ada28b14db624685818f9

      SHA256

      86199e3bb77549db526a2780727223842860d3e840d51123b705850261232db2

      SHA512

      7eb4f440d670c45ba5ee1a5c16d7234ecfe979fb930afed84df671bec6281a8528192f3a84d200a2d566d1c2748a101295b4d31276458b8cf9ebae3c449e159d

    • C:\Users\Public\Documents\kjhhyt
      Filesize

      2KB

      MD5

      7943effe67a4647e06def2348949020e

      SHA1

      eabd561f0639a975de259633f63896d82c3f878d

      SHA256

      3fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa

      SHA512

      c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003

    • C:\Users\Public\Documents\qxxback.dat
      Filesize

      41B

      MD5

      4357d98472361c991c9ce16819103475

      SHA1

      1d38f831be96d52d7f9d062d68c29e4bf25480db

      SHA256

      e434538e1ba143ac6b34b9600b86a665bf53d21c9fce452e0724fcdb3ce69158

      SHA512

      8ddde79a4f373862ae45d70ad93bb4816d6cc0cd13f1549ce117411bf8bc16ec2276bdaf1ab3fbf6b4288d9c0a14612fe4d85145bf2f598b97896938ff32556d

    • C:\Users\Public\Documents\sjsw.log
      Filesize

      227B

      MD5

      3ca1ec31e511cffb2898d2abd6dcfa28

      SHA1

      4e01b20893f1c36a43fb458fffbfdb03ec4321d0

      SHA256

      26bdbfec568ae904ee8f2445c016b58f955df724311a9d6355e14f95a495eaec

      SHA512

      b924074ef01d43167799266131115c990700b739724c54f6e84631e9a479b894c335506b7fa0228d95003af75f07bbcf76a656321ed35ab6779cbb84dc624923

    • C:\Users\Public\Documents\sjsw.log
      Filesize

      221B

      MD5

      288bda8d423da8256dd7bf999d352e69

      SHA1

      ebbd6ec15664df88b93b0f6be945da6bd65bf587

      SHA256

      ab8a9c35324beedf3ccd7d911f95c79c71781c4ca757f28596fca76afa950a75

      SHA512

      74654af295786e54046ed0d293c3e8b0d8d21c77e5a747d4163b403da0506016d699d9dc59cb82c08146791434a6ffd9afd6af571f28c14d072c310b93a8d6eb

    • \Users\Public\Documents\Applicationrcjcms.exe
      Filesize

      381KB

      MD5

      149924bd9dd9d34c6ee49f58843e44a9

      SHA1

      7eabff27b0162dee877ada28b14db624685818f9

      SHA256

      86199e3bb77549db526a2780727223842860d3e840d51123b705850261232db2

      SHA512

      7eb4f440d670c45ba5ee1a5c16d7234ecfe979fb930afed84df671bec6281a8528192f3a84d200a2d566d1c2748a101295b4d31276458b8cf9ebae3c449e159d

    • \Users\Public\Documents\Applicationrcjcms.exe
      Filesize

      381KB

      MD5

      149924bd9dd9d34c6ee49f58843e44a9

      SHA1

      7eabff27b0162dee877ada28b14db624685818f9

      SHA256

      86199e3bb77549db526a2780727223842860d3e840d51123b705850261232db2

      SHA512

      7eb4f440d670c45ba5ee1a5c16d7234ecfe979fb930afed84df671bec6281a8528192f3a84d200a2d566d1c2748a101295b4d31276458b8cf9ebae3c449e159d

    • memory/1076-66-0x00000000033B0000-0x0000000003420000-memory.dmp
      Filesize

      448KB

    • memory/1076-101-0x00000000044F0000-0x000000000513A000-memory.dmp
      Filesize

      12.3MB

    • memory/1076-64-0x0000000004370000-0x00000000044F0000-memory.dmp
      Filesize

      1.5MB

    • memory/1076-115-0x0000000000400000-0x0000000000508000-memory.dmp
      Filesize

      1.0MB

    • memory/1076-62-0x0000000001E60000-0x0000000001E63000-memory.dmp
      Filesize

      12KB

    • memory/1076-61-0x00000000033B0000-0x0000000003420000-memory.dmp
      Filesize

      448KB

    • memory/1076-113-0x0000000000400000-0x0000000000508000-memory.dmp
      Filesize

      1.0MB

    • memory/1076-55-0x0000000000400000-0x0000000000508000-memory.dmp
      Filesize

      1.0MB

    • memory/1076-56-0x0000000000400000-0x0000000000508000-memory.dmp
      Filesize

      1.0MB

    • memory/1076-108-0x0000000000400000-0x0000000000427000-memory.dmp
      Filesize

      156KB

    • memory/1076-60-0x00000000033B0000-0x0000000003420000-memory.dmp
      Filesize

      448KB

    • memory/1076-105-0x0000000010000000-0x0000000010017000-memory.dmp
      Filesize

      92KB

    • memory/1076-59-0x00000000033B0000-0x0000000003420000-memory.dmp
      Filesize

      448KB

    • memory/1076-58-0x0000000000400000-0x0000000000508000-memory.dmp
      Filesize

      1.0MB

    • memory/1076-57-0x0000000000400000-0x0000000000508000-memory.dmp
      Filesize

      1.0MB

    • memory/1076-104-0x0000000000400000-0x0000000000508000-memory.dmp
      Filesize

      1.0MB

    • memory/1076-54-0x0000000076AE1000-0x0000000076AE3000-memory.dmp
      Filesize

      8KB

    • memory/1076-83-0x00000000044F0000-0x000000000513A000-memory.dmp
      Filesize

      12.3MB

    • memory/1076-84-0x0000000003FE0000-0x00000000040F0000-memory.dmp
      Filesize

      1.1MB

    • memory/1720-110-0x0000000000400000-0x00000000005A0000-memory.dmp
      Filesize

      1.6MB

    • memory/1720-90-0x0000000000400000-0x00000000005A0000-memory.dmp
      Filesize

      1.6MB

    • memory/1720-87-0x0000000000400000-0x00000000005A0000-memory.dmp
      Filesize

      1.6MB

    • memory/1720-88-0x0000000000400000-0x00000000005A0000-memory.dmp
      Filesize

      1.6MB

    • memory/1720-100-0x00000000004B6CA7-mapping.dmp
    • memory/1720-93-0x0000000000400000-0x00000000005A0000-memory.dmp
      Filesize

      1.6MB

    • memory/1720-96-0x0000000000400000-0x00000000005A0000-memory.dmp
      Filesize

      1.6MB

    • memory/1720-98-0x0000000000400000-0x00000000005A0000-memory.dmp
      Filesize

      1.6MB

    • memory/1940-78-0x0000000002350000-0x00000000023C0000-memory.dmp
      Filesize

      448KB

    • memory/1940-82-0x0000000001F50000-0x0000000001F53000-memory.dmp
      Filesize

      12KB

    • memory/1940-81-0x0000000002350000-0x0000000002385000-memory.dmp
      Filesize

      212KB

    • memory/1940-86-0x0000000003310000-0x0000000003357000-memory.dmp
      Filesize

      284KB

    • memory/1940-102-0x00000000049A0000-0x0000000004BE2000-memory.dmp
      Filesize

      2.3MB

    • memory/1940-103-0x0000000000400000-0x0000000000508000-memory.dmp
      Filesize

      1.0MB

    • memory/1940-75-0x0000000000400000-0x0000000000508000-memory.dmp
      Filesize

      1.0MB

    • memory/1940-72-0x0000000000400000-0x0000000000508000-memory.dmp
      Filesize

      1.0MB

    • memory/1940-74-0x0000000000400000-0x0000000000508000-memory.dmp
      Filesize

      1.0MB

    • memory/1940-85-0x00000000049A0000-0x0000000004BE2000-memory.dmp
      Filesize

      2.3MB

    • memory/1940-73-0x0000000000400000-0x0000000000508000-memory.dmp
      Filesize

      1.0MB

    • memory/1940-69-0x0000000000000000-mapping.dmp
    • memory/1948-114-0x0000000000000000-mapping.dmp