Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 16:44

General

  • Target

    681ecd41ed50e6b0ae4470991cd4a0d6.exe

  • Size

    36KB

  • MD5

    681ecd41ed50e6b0ae4470991cd4a0d6

  • SHA1

    0e5981933d18a50a8424700305420f492a71aafe

  • SHA256

    4ec050b4dfd931ed6d30256b3ed1d042f313860da23e7ca064aaf95ad83e257e

  • SHA512

    f0cb5e0adc627732c0e87b43173a7d0e14f3fe037505ca03f13b24b4d1fcc0a6085bb74d4b84c87c79caea264a6bf1991e9a43d9879737b8602e1179ef0e2769

  • SSDEEP

    384:2QbMkYQbSKDQbkoKDVbJdpGKDGPGAttNyb8E9VF6IYinAM+oP9YkB/5OtMh:fIZA39EPGQJEpYinAMxhBTh

Malware Config

Signatures

  • Detect ZGRat V1 37 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\681ecd41ed50e6b0ae4470991cd4a0d6.exe
    "C:\Users\Admin\AppData\Local\Temp\681ecd41ed50e6b0ae4470991cd4a0d6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:360
    • C:\Users\Admin\AppData\Local\Temp\681ecd41ed50e6b0ae4470991cd4a0d6.exe
      "C:\Users\Admin\AppData\Local\Temp\681ecd41ed50e6b0ae4470991cd4a0d6.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2516
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {7BC7AAFC-97DF-4BBB-B366-14EE17773363} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:S4U:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwALABDADoAXABVAHMAZQByAHMAXABBAGQAbQBpAG4AXABBAHAAcABEAGEAdABhAFwATABvAGMAYQBsAFwAVABlAG0AcABcADsAIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAHIAbwBjAGUAcwBzACAASwBlAHkAUwBpAHoAZQAuAGUAeABlADsA
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1384
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwALABDADoAXABVAHMAZQByAHMAXABBAGQAbQBpAG4AXABBAHAAcABEAGEAdABhAFwATABvAGMAYQBsAFwAVABlAG0AcABcADsAIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAHIAbwBjAGUAcwBzACAASwBlAHkAUwBpAHoAZQAuAGUAeABlADsA
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:8100
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F62ED4D5-1EF5-4DF0-B979-B7F68C1336C7} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Users\Admin\AppData\Local\HasCurrent\mqzcdzegs\KeySize.exe
      C:\Users\Admin\AppData\Local\HasCurrent\mqzcdzegs\KeySize.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3972
      • C:\Users\Admin\AppData\Local\HasCurrent\mqzcdzegs\KeySize.exe
        "C:\Users\Admin\AppData\Local\HasCurrent\mqzcdzegs\KeySize.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3064
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:7968
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:7440
    • C:\Users\Admin\AppData\Local\Temp\omhba.exe
      C:\Users\Admin\AppData\Local\Temp\omhba.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      PID:7508
      • C:\Users\Admin\AppData\Local\Temp\omhba.exe
        "C:\Users\Admin\AppData\Local\Temp\omhba.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:7248

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\HasCurrent\mqzcdzegs\KeySize.exe
    Filesize

    36KB

    MD5

    681ecd41ed50e6b0ae4470991cd4a0d6

    SHA1

    0e5981933d18a50a8424700305420f492a71aafe

    SHA256

    4ec050b4dfd931ed6d30256b3ed1d042f313860da23e7ca064aaf95ad83e257e

    SHA512

    f0cb5e0adc627732c0e87b43173a7d0e14f3fe037505ca03f13b24b4d1fcc0a6085bb74d4b84c87c79caea264a6bf1991e9a43d9879737b8602e1179ef0e2769

  • C:\Users\Admin\AppData\Local\Temp\Zkood.tmpdb
    Filesize

    148KB

    MD5

    90a1d4b55edf36fa8b4cc6974ed7d4c4

    SHA1

    aba1b8d0e05421e7df5982899f626211c3c4b5c1

    SHA256

    7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

    SHA512

    ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

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

    36KB

    MD5

    50ee68942ea8bb92caec46f64d21c425

    SHA1

    6bf4dd3cf4c58a212473c819148ec2bd4710bae7

    SHA256

    46881e86cabd9d39cb7b57e9a85f2007c1c8fece41e3b5edd74c12f38c4acba9

    SHA512

    48967574b9577c81470ebe520ddd2beff40e4b2847e5e89a1eacb12d653fe1452826f18e40a6ec6328782827f0f9ba6f1eb23d295628632f2fee8c74c6c5c228

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
    Filesize

    7KB

    MD5

    25b7694f4816db5070d66515f95b3ebe

    SHA1

    0afc8b328f9e9457f2fcc71ae9b6559942745bff

    SHA256

    bcea4f1644665813c5621d041c29331def2738fab26b7ee50110692d358e9aa4

    SHA512

    2b42c332f8221e8f58374ce51bc2dc585e111829189d55759604c02bd46d8e6a94ffab73dd3d5caf53cbd9505b5958ee7fd05faca500deb66d2f92b38adceddc

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\WMHG91JBBJAN7J9I1UXZ.temp
    Filesize

    7KB

    MD5

    2ab303543db27c93e91da947a7a23c46

    SHA1

    e3ce4055236d726387a6c74ba6b43568ec365bd8

    SHA256

    285f419d07abce7101cac4bcb3055f5b23f9e31525b388b464d56adb1e12159c

    SHA512

    cf15eb6d7cad4f2ebb1c751895e890a7561de546f89747e0d7642b4a1f058a5f792abd06cab4f340234ef70397437234d32f3aceaba9b172f3c4af3daab12816

  • memory/360-4888-0x0000000001F00000-0x0000000001F40000-memory.dmp
    Filesize

    256KB

  • memory/360-55-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-7-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-9-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-11-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-13-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-15-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-17-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-19-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-21-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-23-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-25-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-27-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-39-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-57-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-67-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-4886-0x0000000004BA0000-0x0000000004BEC000-memory.dmp
    Filesize

    304KB

  • memory/360-4885-0x0000000007800000-0x00000000078F4000-memory.dmp
    Filesize

    976KB

  • memory/360-4884-0x0000000000550000-0x0000000000551000-memory.dmp
    Filesize

    4KB

  • memory/360-65-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-4887-0x00000000050F0000-0x0000000005144000-memory.dmp
    Filesize

    336KB

  • memory/360-63-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-61-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-60-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-37-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-53-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-51-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-49-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-47-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-45-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-43-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-0-0x0000000000050000-0x000000000005A000-memory.dmp
    Filesize

    40KB

  • memory/360-1-0x0000000074640000-0x0000000074D2E000-memory.dmp
    Filesize

    6.9MB

  • memory/360-31-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-5-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-35-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-33-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-2-0x0000000001F00000-0x0000000001F40000-memory.dmp
    Filesize

    256KB

  • memory/360-3-0x0000000007540000-0x00000000077F8000-memory.dmp
    Filesize

    2.7MB

  • memory/360-4-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-41-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-29-0x0000000007540000-0x00000000077F2000-memory.dmp
    Filesize

    2.7MB

  • memory/360-4906-0x0000000074640000-0x0000000074D2E000-memory.dmp
    Filesize

    6.9MB

  • memory/1384-7125-0x000000001A240000-0x000000001A522000-memory.dmp
    Filesize

    2.9MB

  • memory/1384-7126-0x0000000000DF0000-0x0000000000DF8000-memory.dmp
    Filesize

    32KB

  • memory/2516-7117-0x00000000048D0000-0x0000000004926000-memory.dmp
    Filesize

    344KB

  • memory/2516-7120-0x0000000074640000-0x0000000074D2E000-memory.dmp
    Filesize

    6.9MB

  • memory/2516-4907-0x00000000006A0000-0x0000000000788000-memory.dmp
    Filesize

    928KB

  • memory/2516-7116-0x0000000000540000-0x0000000000548000-memory.dmp
    Filesize

    32KB

  • memory/2516-4905-0x0000000000170000-0x000000000021C000-memory.dmp
    Filesize

    688KB

  • memory/2516-7118-0x0000000005330000-0x0000000005384000-memory.dmp
    Filesize

    336KB

  • memory/2516-4908-0x0000000074640000-0x0000000074D2E000-memory.dmp
    Filesize

    6.9MB

  • memory/2516-4909-0x0000000004950000-0x0000000004990000-memory.dmp
    Filesize

    256KB

  • memory/3064-12024-0x0000000000400000-0x00000000004AC000-memory.dmp
    Filesize

    688KB

  • memory/3972-7129-0x0000000000040000-0x000000000004A000-memory.dmp
    Filesize

    40KB

  • memory/7248-28560-0x00000000042B0000-0x0000000004320000-memory.dmp
    Filesize

    448KB

  • memory/7248-26250-0x0000000000400000-0x00000000004E8000-memory.dmp
    Filesize

    928KB

  • memory/7248-26251-0x0000000004700000-0x0000000004816000-memory.dmp
    Filesize

    1.1MB

  • memory/7248-28558-0x0000000000540000-0x0000000000548000-memory.dmp
    Filesize

    32KB

  • memory/7248-28559-0x0000000004810000-0x00000000048AE000-memory.dmp
    Filesize

    632KB

  • memory/7248-28561-0x0000000001FD0000-0x0000000001FDA000-memory.dmp
    Filesize

    40KB

  • memory/7248-28562-0x00000000052E0000-0x000000000535A000-memory.dmp
    Filesize

    488KB

  • memory/7508-21353-0x00000000008A0000-0x00000000008AA000-memory.dmp
    Filesize

    40KB

  • memory/7508-21354-0x00000000075D0000-0x00000000078C4000-memory.dmp
    Filesize

    3.0MB

  • memory/7508-26235-0x0000000006070000-0x00000000061A0000-memory.dmp
    Filesize

    1.2MB

  • memory/7968-14243-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/8100-14250-0x00000000013D0000-0x00000000013D8000-memory.dmp
    Filesize

    32KB

  • memory/8100-14249-0x000000001A0A0000-0x000000001A382000-memory.dmp
    Filesize

    2.9MB