Resubmissions

17-11-2022 12:48

221117-p1yg5aad8t 8

17-11-2022 11:49

221117-ny7scaec69 8

General

  • Target

    Adobe_Acrobat.zip

  • Size

    239.9MB

  • Sample

    221117-p1yg5aad8t

  • MD5

    9fb35648a8b14d9b31118a1b268d35eb

  • SHA1

    e51e0a7f4347b1acc2697bdbf7892d6cd623a661

  • SHA256

    88e02def17fda0021d4dba5ea812772c542b0fa6ca8930bcf06c42375c00bd29

  • SHA512

    9954a945b4defbfdd6fb2b22ae49a7f21af660f8dadece2c4a4c1c600fe6d2ca20f751bf32919b9ddf7745f2678c0ba49bcdfa8de075e79a69b4a6040cb2ceb5

  • SSDEEP

    6291456:A/sB/gcoikWNxMn9hPQVup2q10A+j3oFwI7Jjx:A0B/gczS91QVup2q10A+rUwg5x

Malware Config

Targets

    • Target

      Adobe Acrobat/setup.exe

    • Size

      654.4MB

    • MD5

      94032e57b7bd0b054e358ccafe314a5c

    • SHA1

      8b693624f57e92da1ae0aff69cf010891710c0ec

    • SHA256

      47332ce5b904b959aa814ddfde8662931fdfb5233422dc45053ad04cffc44fb4

    • SHA512

      54e8ca05a317e53b7dfee8bd2ec89beb921017c0409c0b8d75cbf3cbea3a540d0e2781ee42a230ad52e92e1026d69e591c140606437ac4d096b13a578ceec242

    • SSDEEP

      49152:sM9fgA9cT7dfGHESyneZnyT1M1kpRdjlEao5EBDtGQnlX8f/01A:bgpKEvTUEbG8l

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks