Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 08:44

General

  • Target

    70b8144089439dd8d6d4fc8a904bde2408394937a5f6d27bfbd4b2626b4f9f5c.exe

  • Size

    1.8MB

  • MD5

    6c5a683b8c5437c9948af6f1f24122ad

  • SHA1

    68e2768d5302a42f59cf05c80dbef5177fecc5fe

  • SHA256

    70b8144089439dd8d6d4fc8a904bde2408394937a5f6d27bfbd4b2626b4f9f5c

  • SHA512

    84a9b4b295be773f589c89db2b5e2d5c58fff1b941d51cfdaae02a7cc4e650bb9becca7fa7d6c3e8b9596b5b29393cf3da2106ec0601785c52bb1a9b12b3179a

  • SSDEEP

    24576:H2O/GlzEWEOTFzd02il9LqErkrbF/E7xse1m95l1ypaIdxvHWPSKa7kBEXZN7PNQ:HXOTF+ZvWEk/h95yvd8gkBEJNz5Q

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70b8144089439dd8d6d4fc8a904bde2408394937a5f6d27bfbd4b2626b4f9f5c.exe
    "C:\Users\Admin\AppData\Local\Temp\70b8144089439dd8d6d4fc8a904bde2408394937a5f6d27bfbd4b2626b4f9f5c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Users\Admin\27165oi8gm8ve1\ghmvnppkfwer.exe
      "C:\Users\Admin\27165oi8gm8ve1\ghmvnppkfwer.exe" aswwah
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3396
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" -f "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
          4⤵
          • Accesses Microsoft Outlook accounts
          • Suspicious use of AdjustPrivilegeToken
          PID:808
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" -f "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2088

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\27165O~1\lrvt.GUB
    Filesize

    1.1MB

    MD5

    93bb3f7a0615c8cb593b4c9b566c43c5

    SHA1

    e094f02afc6cebfbf0b95001732b69089f06730f

    SHA256

    67d431f6845b9004edf7dcb2631ef98aed85908b04a4908ab1f3e36daf9bf8ea

    SHA512

    78b571512653c851585206b57b6be7aae6fc6a67d084bbad2e080ad5d40c7a9d82e73618b388c7bf33bddd3a45caec5e3c1792378d6033e006c49cb538568863

  • C:\Users\Admin\27165O~1\soksdjgwow.ZWR
    Filesize

    91B

    MD5

    aaef5dc2893be0610bc316a889ebe622

    SHA1

    4a4eced8c28dee38f52697bf00bed5b002935f64

    SHA256

    1e329364bf195adafdca74919179dcb8398f493abbc5de197d409b3d7bd13ca3

    SHA512

    8f8584fd904fd7e46534794da50c8e9329974decca9db0110ef06dd888bf2d64315bf69a21371adfa27f5add5a0e4484d64d8177676c8740c0de654bca38be0f

  • C:\Users\Admin\27165oi8gm8ve1\aswwah
    Filesize

    646.7MB

    MD5

    313f15154c468efde1f2969005b14611

    SHA1

    bd530bb5fe177b66f1d03cff0bb18a98c74d4617

    SHA256

    875942d497aaeb36382d60ea45d8dd87ef40dd83167e44531fc9cb7cf7131eb8

    SHA512

    b8b5d617b9c2f0a10b41cf568dc21db302e196bc940e8318d223f70bf58c9579c35159cd85411c965e85aaad9d8f72b76b6b4cda5f4f72dfca22dfd19b806246

  • C:\Users\Admin\27165oi8gm8ve1\ghmvnppkfwer.exe
    Filesize

    255KB

    MD5

    7c00f2416ca6b769f8d65e21660e707e

    SHA1

    49a51bd688c2b081a8bf12168eb03f716d3bca64

    SHA256

    89cdd5d690fae929be74743308a7881660c53bcea8a91414658bfbafa2683eb5

    SHA512

    dd83d619e5d8147255dc7a234bc0c3d5b093cd4b4251bdd3a8b805371420d61803f8dbd20ebbf5b3ed6290eb22ff36109596621f6d8c66c83f1e292fb9b9946f

  • C:\Users\Admin\27165oi8gm8ve1\ghmvnppkfwer.exe
    Filesize

    255KB

    MD5

    7c00f2416ca6b769f8d65e21660e707e

    SHA1

    49a51bd688c2b081a8bf12168eb03f716d3bca64

    SHA256

    89cdd5d690fae929be74743308a7881660c53bcea8a91414658bfbafa2683eb5

    SHA512

    dd83d619e5d8147255dc7a234bc0c3d5b093cd4b4251bdd3a8b805371420d61803f8dbd20ebbf5b3ed6290eb22ff36109596621f6d8c66c83f1e292fb9b9946f

  • C:\Users\Admin\AppData\Local\Temp\holdermail.txt
    Filesize

    1KB

    MD5

    01e7975c708365983265ae40d604beb4

    SHA1

    f1c793c9b7a312d355cd944928ba9272bbeec44e

    SHA256

    95d7aeb5f67dc33d0b62d02b26a5d469436f58f2246fd95189a8b86220bc9a40

    SHA512

    9c67c306fbb0e191ea7af01388c6a99714c353590d99887ddd0b0ceee3f6cd3af2e7b2c8d1d22a5a34dac746e4b2156876d935a658afc9a1d38597fd4922e023

  • C:\Users\Admin\AppData\Local\Temp\holdermail.txt
    Filesize

    327B

    MD5

    1265c5140a2f68b05b92aa1a25a2abb6

    SHA1

    627a660e9d2a41c8c4a662ca44fdb68a1356bc82

    SHA256

    694bae0c1ebf6f8eeb8d902b1bfad57ed9a42dea6d3e327a0137a1c9f4f0c6b9

    SHA512

    ad6a1dd57ec84459f28926d07e25f2c4f49dc67ff95b8400e85c3bcb8eccc471dbac5e2b1a2758fb563866ecacc2fae4657dfb85197fb4cd2547eef334b8a216

  • memory/808-152-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/808-148-0x0000000000000000-mapping.dmp
  • memory/808-154-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/808-151-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/808-150-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/808-149-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/2088-155-0x0000000000000000-mapping.dmp
  • memory/2088-156-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/2088-161-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/2088-159-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/2088-158-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/2088-157-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/3396-143-0x0000000005820000-0x0000000005DC4000-memory.dmp
    Filesize

    5.6MB

  • memory/3396-141-0x0000000000D00000-0x0000000000E22000-memory.dmp
    Filesize

    1.1MB

  • memory/3396-140-0x0000000000000000-mapping.dmp
  • memory/3396-142-0x00000000051D0000-0x000000000526C000-memory.dmp
    Filesize

    624KB

  • memory/3396-146-0x0000000005540000-0x0000000005596000-memory.dmp
    Filesize

    344KB

  • memory/3396-144-0x0000000005310000-0x00000000053A2000-memory.dmp
    Filesize

    584KB

  • memory/3396-145-0x00000000052C0000-0x00000000052CA000-memory.dmp
    Filesize

    40KB

  • memory/3396-147-0x00000000083B0000-0x0000000008416000-memory.dmp
    Filesize

    408KB

  • memory/4956-137-0x0000000000140000-0x00000000001FD000-memory.dmp
    Filesize

    756KB

  • memory/4956-132-0x0000000000000000-mapping.dmp
  • memory/4956-136-0x0000000000140000-0x00000000001FD000-memory.dmp
    Filesize

    756KB