Analysis

  • max time kernel
    35s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 11:08

General

  • Target

    337177ae44e48604c11aef35519094b0d21b9e25154566e840a40dacb1096c41.exe

  • Size

    4.9MB

  • MD5

    8dfedf44df24c6489457364c6aa2bce6

  • SHA1

    783018248659a577764846df9f6e769c3c1d8d60

  • SHA256

    337177ae44e48604c11aef35519094b0d21b9e25154566e840a40dacb1096c41

  • SHA512

    4c650d649867e7a37af5562b72a4c5875e2f759aced9eafd4442f0208e09735b59da2bb46e8e516fcd4f7a0a72606298336a2f0167dd6c747e3afdf8fe8ffda7

  • SSDEEP

    98304:vvQFmKGFifzTyhP/yA+9casWl5MxxIM/OslccANWdLQkFjB:XQNGFcYy19casWl5q9cRqjB

Score
9/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 5 IoCs

    Detects file using ACProtect software.

  • UPX packed file 6 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\337177ae44e48604c11aef35519094b0d21b9e25154566e840a40dacb1096c41.exe
    "C:\Users\Admin\AppData\Local\Temp\337177ae44e48604c11aef35519094b0d21b9e25154566e840a40dacb1096c41.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe autostarter.dll,ShowSplash C:\Users\Admin\AppData\Local\Temp\nsj75CE.tmp\splash,
      2⤵
      • Loads dropped DLL
      PID:1072
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x464
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:840

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsj75CE.tmp\autostarter.dll

    Filesize

    39KB

    MD5

    75428508f0a961d7cf150599ba19d364

    SHA1

    6920b8ddd3241eb8762a4e3bf0b5fb78e2d0b8eb

    SHA256

    cedccf1a11e9fc56832330eab8e6f3cdab97616216b488ad918e564f06e54a87

    SHA512

    7f656a6e94f0da59e10077ae1432d06a89a4560a5f1f3801fd78279657d56bbcc0e1c29fd97621a2ea9aab448f69c98947e24045a36404e376f8df5c5d1b0c5e

  • C:\Users\Admin\AppData\Local\Temp\nsj75CE.tmp\splash.bmp

    Filesize

    153KB

    MD5

    5187923d66d9b8c551ff9853e0df80bd

    SHA1

    2c74c8bd8bb7175164f2d6907fb3982691f53e71

    SHA256

    1c7177c6f211ed6be86cb2f40dae6f337d38dc4f539e13e901a967d46865158f

    SHA512

    e9dd5a82ba4533b1db4a15dc8f367797e90d18117f0e1a8e2a58c7d52013f3758a3a2729c18ca58f1e118451ee893c28965495b1ffbfc48ea38e772a05fa088f

  • C:\Users\Admin\AppData\Local\Temp\nsj75CE.tmp\splash.wav

    Filesize

    512KB

    MD5

    1bacc2e80ac087fe2e00f8870e92cd65

    SHA1

    7e8598a9d1164687417ec2873d025f66b6086590

    SHA256

    198d44438af93b3ea5dc9602f94f188bf04491e4b0f15c6f9cd18089962812f3

    SHA512

    6294b2b026be87863b58c63e32d71c9f7d5bb2c3f1e648aec92bdcd82e8ad489de6e2459eaf0da3d86369e7cdab93433a8b04c4137b81081b3156f4cc46ba1c0

  • \Users\Admin\AppData\Local\Temp\nsj75CE.tmp\InstallOptions.dll

    Filesize

    14KB

    MD5

    b18dfaded8f6d2380fdfd8f6b6969211

    SHA1

    969fa0e906240ab1123254feeb833c275626cf76

    SHA256

    747d0222b652dbfc85e0de4f8486473662d325a55e32c7eacb91e53e37ceba58

    SHA512

    25fb09b8657997d31e61c908f1cd08357c1a1b68bbb1ba377e87b6a3eb347a2ef96c1a771b6c4332853abb33728c55c83efa73df5da03f3dfc132f8a69a2886c

  • \Users\Admin\AppData\Local\Temp\nsj75CE.tmp\LangDLL.dll

    Filesize

    5KB

    MD5

    9b17a13f814b137f88b961c087858063

    SHA1

    c290dd3139b79aa340aec3ed3d674160433035e1

    SHA256

    e54792a179a06acbb9b69c117ee804dce070505d1853d6e7d512f2a055a801b2

    SHA512

    3a625f5f13e344c24973c79c074d1ced4d9206f87f392dc7c8f0c116d0f2b878b60340e2377d0240c47f0e34e25e4e3af8b196bbca1c6a29a0f51d8408e8b0ec

  • \Users\Admin\AppData\Local\Temp\nsj75CE.tmp\autostarter.dll

    Filesize

    39KB

    MD5

    75428508f0a961d7cf150599ba19d364

    SHA1

    6920b8ddd3241eb8762a4e3bf0b5fb78e2d0b8eb

    SHA256

    cedccf1a11e9fc56832330eab8e6f3cdab97616216b488ad918e564f06e54a87

    SHA512

    7f656a6e94f0da59e10077ae1432d06a89a4560a5f1f3801fd78279657d56bbcc0e1c29fd97621a2ea9aab448f69c98947e24045a36404e376f8df5c5d1b0c5e

  • \Users\Admin\AppData\Local\Temp\nsj75CE.tmp\autostarter.dll

    Filesize

    39KB

    MD5

    75428508f0a961d7cf150599ba19d364

    SHA1

    6920b8ddd3241eb8762a4e3bf0b5fb78e2d0b8eb

    SHA256

    cedccf1a11e9fc56832330eab8e6f3cdab97616216b488ad918e564f06e54a87

    SHA512

    7f656a6e94f0da59e10077ae1432d06a89a4560a5f1f3801fd78279657d56bbcc0e1c29fd97621a2ea9aab448f69c98947e24045a36404e376f8df5c5d1b0c5e

  • \Users\Admin\AppData\Local\Temp\nsj75CE.tmp\autostarter.dll

    Filesize

    39KB

    MD5

    75428508f0a961d7cf150599ba19d364

    SHA1

    6920b8ddd3241eb8762a4e3bf0b5fb78e2d0b8eb

    SHA256

    cedccf1a11e9fc56832330eab8e6f3cdab97616216b488ad918e564f06e54a87

    SHA512

    7f656a6e94f0da59e10077ae1432d06a89a4560a5f1f3801fd78279657d56bbcc0e1c29fd97621a2ea9aab448f69c98947e24045a36404e376f8df5c5d1b0c5e

  • \Users\Admin\AppData\Local\Temp\nsj75CE.tmp\autostarter.dll

    Filesize

    39KB

    MD5

    75428508f0a961d7cf150599ba19d364

    SHA1

    6920b8ddd3241eb8762a4e3bf0b5fb78e2d0b8eb

    SHA256

    cedccf1a11e9fc56832330eab8e6f3cdab97616216b488ad918e564f06e54a87

    SHA512

    7f656a6e94f0da59e10077ae1432d06a89a4560a5f1f3801fd78279657d56bbcc0e1c29fd97621a2ea9aab448f69c98947e24045a36404e376f8df5c5d1b0c5e

  • memory/1072-55-0x0000000000000000-mapping.dmp

  • memory/1072-62-0x0000000010000000-0x000000001002A000-memory.dmp

    Filesize

    168KB

  • memory/1220-54-0x0000000074D81000-0x0000000074D83000-memory.dmp

    Filesize

    8KB