Analysis

  • max time kernel
    144s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 18:14

General

  • Target

    c7f8049e5f6fb12cae4118af2097f9337d32e0134866fb9f0f606e492b1b253b.exe

  • Size

    2.0MB

  • MD5

    97be38c59938ec4fa566da5c776fea87

  • SHA1

    1f1c02b4134c757656062b8718ed9a91fc5db7db

  • SHA256

    c7f8049e5f6fb12cae4118af2097f9337d32e0134866fb9f0f606e492b1b253b

  • SHA512

    06f82bba386c838e88a1e9c2585f92a4f939565cd1f380b7ae16e0fd7426999639d0fd517a9ad0a6d759a659d7e2b30a957c5159e871034c0fa1bcaf044fe126

  • SSDEEP

    49152:sMMMMMMMMMMMMMMMMMMMMMMMM9MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM3:sMMMMMMMMMMMMMMMMMMMMMMMM9MMMMM3

Malware Config

Signatures

  • HawkEye

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

  • Executes dropped EXE 1 IoCs
  • 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 3 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 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7f8049e5f6fb12cae4118af2097f9337d32e0134866fb9f0f606e492b1b253b.exe
    "C:\Users\Admin\AppData\Local\Temp\c7f8049e5f6fb12cae4118af2097f9337d32e0134866fb9f0f606e492b1b253b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4100
    • C:\Users\Admin\ld9a668r1gtnm9s\hunojj.exe
      "C:\Users\Admin\ld9a668r1gtnm9s\hunojj.exe" xnzf
      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 AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1536
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1092
        • 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:3444
        • 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:1772

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\AppData\Local\Temp\holdermail.txt
    Filesize

    327B

    MD5

    1265c5140a2f68b05b92aa1a25a2abb6

    SHA1

    627a660e9d2a41c8c4a662ca44fdb68a1356bc82

    SHA256

    694bae0c1ebf6f8eeb8d902b1bfad57ed9a42dea6d3e327a0137a1c9f4f0c6b9

    SHA512

    ad6a1dd57ec84459f28926d07e25f2c4f49dc67ff95b8400e85c3bcb8eccc471dbac5e2b1a2758fb563866ecacc2fae4657dfb85197fb4cd2547eef334b8a216

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

    1KB

    MD5

    01e7975c708365983265ae40d604beb4

    SHA1

    f1c793c9b7a312d355cd944928ba9272bbeec44e

    SHA256

    95d7aeb5f67dc33d0b62d02b26a5d469436f58f2246fd95189a8b86220bc9a40

    SHA512

    9c67c306fbb0e191ea7af01388c6a99714c353590d99887ddd0b0ceee3f6cd3af2e7b2c8d1d22a5a34dac746e4b2156876d935a658afc9a1d38597fd4922e023

  • C:\Users\Admin\LD9A66~1\OOBQPT~1.NLE
    Filesize

    1.1MB

    MD5

    5978c5b2e00aac09777d510991bb0d08

    SHA1

    5966781692b068840f4f69ba43218944e49a30ca

    SHA256

    38aa72aac1da6f4f98d920f64f3022935dadb5684157e6fbc5f7da1a4068b086

    SHA512

    8ad3c55f8e1f39aa529a3a008d5f1abc8f9f500360a5265343f4a26c75a6d474a6fae207c95991e5e51845e4c1ae37e98eeb3e078f4cbe40559177f37af0c1b0

  • C:\Users\Admin\LD9A66~1\nhnagqp.NDN
    Filesize

    64B

    MD5

    38d6a6d36267d2ea20ee5e96af5192c6

    SHA1

    7cdb980fafd96a2146a37aa24c618f5ea44d4ee5

    SHA256

    83d7497ace57ecaa27c558dd433ec268cf1b45a05cdfa178d8cce664a4b6ac43

    SHA512

    0bf6454e029e45a6cc442948a0ee76d6f49f5705ae4545393331350b22d34d38aeb7256a11b6fcc828ed309719dd64ee68daf1932150cea21a008a4a90e92863

  • C:\Users\Admin\ld9a668r1gtnm9s\hunojj.exe
    Filesize

    732KB

    MD5

    71d8f6d5dc35517275bc38ebcc815f9f

    SHA1

    cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

    SHA256

    fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

    SHA512

    4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

  • C:\Users\Admin\ld9a668r1gtnm9s\hunojj.exe
    Filesize

    732KB

    MD5

    71d8f6d5dc35517275bc38ebcc815f9f

    SHA1

    cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

    SHA256

    fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

    SHA512

    4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

  • C:\Users\Admin\ld9a668r1gtnm9s\xnzf
    Filesize

    218.9MB

    MD5

    6f5ca0ec3ae15ef58e1e1c57af731ec4

    SHA1

    30e9c7524a2c2230f5f55df78fb35dbf42bcfd8c

    SHA256

    d6f1cd03728b91d4e38809863aa75ca98be87d6835c071da62430bc5f9ca07ca

    SHA512

    df2ff289466985d8d2b0121e971a770017caeb870ef7657fbeb4ddaa38488f4c2059f069e8725723d869d73c3ae03329778c1551d3808f08218c20df98774f5f

  • memory/1092-147-0x0000000074E60000-0x0000000075411000-memory.dmp
    Filesize

    5.7MB

  • memory/1092-139-0x0000000000400000-0x0000000000522000-memory.dmp
    Filesize

    1.1MB

  • memory/1092-138-0x0000000000000000-mapping.dmp
  • memory/1092-140-0x0000000074E60000-0x0000000075411000-memory.dmp
    Filesize

    5.7MB

  • memory/1536-132-0x0000000000000000-mapping.dmp
  • memory/1772-149-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/1772-148-0x0000000000000000-mapping.dmp
  • memory/1772-150-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/1772-151-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/1772-152-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/1772-154-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/3444-146-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/3444-144-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/3444-143-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/3444-142-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/3444-141-0x0000000000000000-mapping.dmp