Analysis

  • max time kernel
    126s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28-09-2022 09:11

General

  • Target

    1c50e838ff24a46f03e9afe9415b2002cda7e1479c4cff3884e49fc0e644288c.exe

  • Size

    114KB

  • MD5

    319251085e4357962fc78a832bb28ee5

  • SHA1

    69d1f802f6251506fcb2cdd04bc016ba9e79b135

  • SHA256

    1c50e838ff24a46f03e9afe9415b2002cda7e1479c4cff3884e49fc0e644288c

  • SHA512

    8761fd841317d080a24ab6ed4e46d8ef0222b927186b609d51a174ae3d86384d95327a5bf0c9a76630fb617c1bc81c2c6d1c9bbc3eb4029d45c0184c6dcc4945

  • SSDEEP

    3072:2Ql0wN4WLO1Io0zfx/GzXlPE7lQFsUMt1HirQd:9Z4WLOGfs5E7lQFVMt1Cr4

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 53 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c50e838ff24a46f03e9afe9415b2002cda7e1479c4cff3884e49fc0e644288c.exe
    "C:\Users\Admin\AppData\Local\Temp\1c50e838ff24a46f03e9afe9415b2002cda7e1479c4cff3884e49fc0e644288c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Users\Admin\AppData\Local\Temp\1c50e838ff24a46f03e9afe9415b2002cda7e1479c4cff3884e49fc0e644288cmgr.exe
      C:\Users\Admin\AppData\Local\Temp\1c50e838ff24a46f03e9afe9415b2002cda7e1479c4cff3884e49fc0e644288cmgr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1528
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:992
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:992 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1980
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:952
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:952 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1832

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{960C8101-3F0D-11ED-809F-FE8152C730B7}.dat
    Filesize

    5KB

    MD5

    b8270fe68fbfcbde4acb9a9fbc2a874a

    SHA1

    21aea29a49bd0d3b1a0471c3218ac46725610047

    SHA256

    b3b4a6cc34a267a70a41b669acb17c20f03a12701a61f075809a485e0fc4fc0b

    SHA512

    fe76351e72a7cfbcd244416bb315f0ac18a450c0e6aa573c75160b4dd58c411805d8de440f610aa64cd0edcd4c9507fe503ef0238762109d6d25ed134cd938ff

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{960EF201-3F0D-11ED-809F-FE8152C730B7}.dat
    Filesize

    4KB

    MD5

    f50f3192913eef549423b89180621a5a

    SHA1

    aed9ea0e18f863329c10175cb7f24eca1c2ff9e9

    SHA256

    fee756cd93bca97007f04e4df730539fdff53a385aa8d6f2f49dd3a29152e803

    SHA512

    27ed4d15566365527ec16adbb96ab59e340508c442c0b6224bacee5db5d768052759249c93456e23b200ee74b7f277ad975693b88514afc7e3f8d0e4ed57f2db

  • C:\Users\Admin\AppData\Local\Temp\1c50e838ff24a46f03e9afe9415b2002cda7e1479c4cff3884e49fc0e644288cmgr.exe
    Filesize

    105KB

    MD5

    3235c81e22fad625ce09ae351091f7cc

    SHA1

    1a670de8ab6014928459f0c1631db644f7d7526e

    SHA256

    85d274964f8e3cba910a4922bdbdc0ed3b064c0045db18c85d8d2a853d00e7a6

    SHA512

    95797149ba60dc13795798549d566f309796ac7daad849c5295516855f53617c92e29a119d93a5da87d50a16d6a34308b3b0b0d0b3974b899fe2f21ca83f041b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\VS2F9PJN.txt
    Filesize

    603B

    MD5

    d2752fe1ba9ffde5596d84826382bbd1

    SHA1

    9e63e4aa8b0c248df3ef0853ae38200325e891ce

    SHA256

    98f709a20931799c88e2fca9953369f44f5ae37c228a7d8aa276aaa55e07849a

    SHA512

    52022ac3d87d42730ac6c4197c61d4ed56491978c8b9ee0070901c476a5b0f5aedced0f7ecc9fe87075e80c98f5f6f58176d9c25aed248a82564019ca5f15de1

  • \Users\Admin\AppData\Local\Temp\1c50e838ff24a46f03e9afe9415b2002cda7e1479c4cff3884e49fc0e644288cmgr.exe
    Filesize

    105KB

    MD5

    3235c81e22fad625ce09ae351091f7cc

    SHA1

    1a670de8ab6014928459f0c1631db644f7d7526e

    SHA256

    85d274964f8e3cba910a4922bdbdc0ed3b064c0045db18c85d8d2a853d00e7a6

    SHA512

    95797149ba60dc13795798549d566f309796ac7daad849c5295516855f53617c92e29a119d93a5da87d50a16d6a34308b3b0b0d0b3974b899fe2f21ca83f041b

  • \Users\Admin\AppData\Local\Temp\1c50e838ff24a46f03e9afe9415b2002cda7e1479c4cff3884e49fc0e644288cmgr.exe
    Filesize

    105KB

    MD5

    3235c81e22fad625ce09ae351091f7cc

    SHA1

    1a670de8ab6014928459f0c1631db644f7d7526e

    SHA256

    85d274964f8e3cba910a4922bdbdc0ed3b064c0045db18c85d8d2a853d00e7a6

    SHA512

    95797149ba60dc13795798549d566f309796ac7daad849c5295516855f53617c92e29a119d93a5da87d50a16d6a34308b3b0b0d0b3974b899fe2f21ca83f041b

  • memory/1464-54-0x0000000075B51000-0x0000000075B53000-memory.dmp
    Filesize

    8KB

  • memory/1464-61-0x0000000000140000-0x0000000000161000-memory.dmp
    Filesize

    132KB

  • memory/1464-62-0x0000000000400000-0x000000000045D000-memory.dmp
    Filesize

    372KB

  • memory/1528-57-0x0000000000000000-mapping.dmp
  • memory/1528-63-0x0000000000400000-0x000000000045D000-memory.dmp
    Filesize

    372KB

  • memory/1528-64-0x0000000000400000-0x000000000045D000-memory.dmp
    Filesize

    372KB