Analysis

  • max time kernel
    131s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19-06-2023 14:11

General

  • Target

    DHL RPA GRBP Template.pdf.exe

  • Size

    13KB

  • MD5

    0aa04f249eaece97140ad4ff7bc00420

  • SHA1

    4cb79679a05b197ba21489fc362e0d91ae2c3b06

  • SHA256

    9ed9d37ed2bad5f93fe5f80d396c6a075be44a60312ea033a8d4eb3be772b4f9

  • SHA512

    e5a4e704f9919d55398bfb9fe3f98729084b531d4ffaf5ccf59eef83b190827f8d80c60e0e676d56c36bdff019499483b10851288b2f84f922f18c182b4b5599

  • SSDEEP

    192:k0OejvqLK915glsNhYkCeXicN+gp7cCBR2D9UFay:klLaTglsNvCeXicNrZO9UFa

Malware Config

Extracted

Family

purecrypter

C2

https://onedrive.live.com/download?cid=0D0FBFD7EE8A13AB&resid=D0FBFD7EE8A13AB%21212&authkey=AAMJbAVJ3CQXG7o

Signatures

  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL RPA GRBP Template.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL RPA GRBP Template.pdf.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1316

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    62KB

    MD5

    3ac860860707baaf32469fa7cc7c0192

    SHA1

    c33c2acdaba0e6fa41fd2f00f186804722477639

    SHA256

    d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

    SHA512

    d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

  • C:\Users\Admin\AppData\Local\Temp\TarA185.tmp

    Filesize

    164KB

    MD5

    4ff65ad929cd9a367680e0e5b1c08166

    SHA1

    c0af0d4396bd1f15c45f39d3b849ba444233b3a2

    SHA256

    c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

    SHA512

    f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

  • memory/1316-54-0x0000000000BC0000-0x0000000000BC8000-memory.dmp

    Filesize

    32KB

  • memory/1316-55-0x0000000004D10000-0x0000000004D50000-memory.dmp

    Filesize

    256KB

  • memory/1316-56-0x0000000004D10000-0x0000000004D50000-memory.dmp

    Filesize

    256KB