Overview

overview

10

Static

static

8

83d66a5828...24.exe

windows7-x64

10

83d66a5828...24.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:42

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General

  • Target

    83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe

  • Size

    255KB

  • MD5

    435ca4708c1be08135062752959b4480

  • SHA1

    183383d79e64d87369995979233d8dec0993d998

  • SHA256

    83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24

  • SHA512

    74fe55fe4538da0673502a1db05c8163f098f335b9481399a357c2a59c767b9a92da0cd6e2d1ec6c48d781aaa25cc127d5cd7927a169b0e40cc7c725a1f472f6

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJN:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIW

Score
10/10
evasionpersistencespywarestealertrojanupx

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Executes dropped EXE 5 IoCs
  • UPX packed file 26 IoCs

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

    upx
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 11 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 13 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe
    "C:\Users\Admin\AppData\Local\Temp\83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\SysWOW64\bzuxensjvr.exe
      bzuxensjvr.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:5024
      • C:\Windows\SysWOW64\hsjcqycc.exe
        C:\Windows\system32\hsjcqycc.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2356
    • C:\Windows\SysWOW64\fmqikfjqhyuneql.exe
      fmqikfjqhyuneql.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4988
    • C:\Windows\SysWOW64\hsjcqycc.exe
      hsjcqycc.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4968
    • C:\Windows\SysWOW64\tvfxyslhioxww.exe
      tvfxyslhioxww.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4508
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:4360

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Hidden Files and Directories

2
T1158

Modify Registry

6
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\DisconnectCompare.doc.exe
    Filesize

    255KB

    MD5

    6455627a2aada2fc43827ad95a710a94

    SHA1

    3f551df5bfb7b9dc3b87f2c8155149a4c538c44f

    SHA256

    657c870f7b2e954c5bedf67512cf7430c692b2e9146eeedeb253704e5495ce61

    SHA512

    66c2c0b910de13a59b114db86405bb5ca487c31408cae626b30dc76f27b579588e56f48757532b1514170c43d2901bcd4873e9c9e5e5285ddeb13145d3dc97c8

    Download Submit
  • C:\Users\Admin\Documents\ProtectClose.doc.exe
    Filesize

    255KB

    MD5

    cf2d1fe2dd5940a55d9765ad09072ad1

    SHA1

    a04de876c4a24bc1aeeab13624d8248d5d1628de

    SHA256

    552a9c2ec95944f97e9107d83d85a79e6f89e2c8af28830d98272476d5779403

    SHA512

    031654e2822b023e68a2a1542b8be91b87378ee25a863c64908888737a44f39a513410de676a3413aa18c653cfc8640aae198040c82070bed2ffbe4d73289424

    Download Submit
  • C:\Windows\SysWOW64\bzuxensjvr.exe
    Filesize

    255KB

    MD5

    07f5c27d081bdfc1d21d9dff9de92bde

    SHA1

    9482c77e7a004e0ec19d4ca445867ad4dceb136b

    SHA256

    41403288293f19fe61bad0232a81847dd78be19a65a04e74546534d17f4d9148

    SHA512

    94167c1b33d39caeb8594239452c501d61dde959c1a0deaab91d8e28948b6ed4a5c8c163429ade4230985b4dac61f9137d5bcaf3bde3818d1be593be63ec1f85

    Download Submit
  • C:\Windows\SysWOW64\bzuxensjvr.exe
    Filesize

    255KB

    MD5

    07f5c27d081bdfc1d21d9dff9de92bde

    SHA1

    9482c77e7a004e0ec19d4ca445867ad4dceb136b

    SHA256

    41403288293f19fe61bad0232a81847dd78be19a65a04e74546534d17f4d9148

    SHA512

    94167c1b33d39caeb8594239452c501d61dde959c1a0deaab91d8e28948b6ed4a5c8c163429ade4230985b4dac61f9137d5bcaf3bde3818d1be593be63ec1f85

    Download Submit
  • C:\Windows\SysWOW64\fmqikfjqhyuneql.exe
    Filesize

    255KB

    MD5

    66dce80e26b9ac74f3409320158b6cd7

    SHA1

    8942807e907eb70f1076ff766a93cda9f36c964f

    SHA256

    25a2235dc87a5dedec9b0662c145542e0fb85fcd3fc5b0d3982038053e2fe1f8

    SHA512

    b60068c220f809fb009c81380e8d6c0a1f905cdf431cfaf61bb0e538d650956f9757e8244b4fee2bef9a158fdcced43c2e8fca82e7021ef4514b3c5e7f194215

    Download Submit
  • C:\Windows\SysWOW64\fmqikfjqhyuneql.exe
    Filesize

    255KB

    MD5

    66dce80e26b9ac74f3409320158b6cd7

    SHA1

    8942807e907eb70f1076ff766a93cda9f36c964f

    SHA256

    25a2235dc87a5dedec9b0662c145542e0fb85fcd3fc5b0d3982038053e2fe1f8

    SHA512

    b60068c220f809fb009c81380e8d6c0a1f905cdf431cfaf61bb0e538d650956f9757e8244b4fee2bef9a158fdcced43c2e8fca82e7021ef4514b3c5e7f194215

    Download Submit
  • C:\Windows\SysWOW64\hsjcqycc.exe
    Filesize

    255KB

    MD5

    8e72cbcdf9c51ae0d2384af33980bd0f

    SHA1

    db0660440828f74bb73e8a0332045dd6ddd9248a

    SHA256

    4d62717cb77cda6106ea9e4e17c605e56661f2253ee2a556204a45b239f5c14e

    SHA512

    ccda3936814fa2294e1e87edbe3852924905f93e6a857be06f17533bd0f8b60dae2947ad2277d1b04c3113467af10b751329d2c313ca0e32b383cd01f344fab0

    Download Submit
  • C:\Windows\SysWOW64\hsjcqycc.exe
    Filesize

    255KB

    MD5

    8e72cbcdf9c51ae0d2384af33980bd0f

    SHA1

    db0660440828f74bb73e8a0332045dd6ddd9248a

    SHA256

    4d62717cb77cda6106ea9e4e17c605e56661f2253ee2a556204a45b239f5c14e

    SHA512

    ccda3936814fa2294e1e87edbe3852924905f93e6a857be06f17533bd0f8b60dae2947ad2277d1b04c3113467af10b751329d2c313ca0e32b383cd01f344fab0

    Download Submit
  • C:\Windows\SysWOW64\hsjcqycc.exe
    Filesize

    255KB

    MD5

    8e72cbcdf9c51ae0d2384af33980bd0f

    SHA1

    db0660440828f74bb73e8a0332045dd6ddd9248a

    SHA256

    4d62717cb77cda6106ea9e4e17c605e56661f2253ee2a556204a45b239f5c14e

    SHA512

    ccda3936814fa2294e1e87edbe3852924905f93e6a857be06f17533bd0f8b60dae2947ad2277d1b04c3113467af10b751329d2c313ca0e32b383cd01f344fab0

    Download Submit
  • C:\Windows\SysWOW64\tvfxyslhioxww.exe
    Filesize

    255KB

    MD5

    dca37eb56c489abb49f093d0bda12117

    SHA1

    ec8b4544518b27de4decb3843ae2bdc3d0982790

    SHA256

    3bb9fad8991c5bdf180d99a0882450f1dce3ac4d66ca8b79b5b232cf52f7f664

    SHA512

    15def5bbe3ce23cad29c94554769410f3c583731c21fe7cfadc9a7fa278681c8abddb5a9361112f611f48160a0eec617114063e30f2092c58da3097bca4a3b5e

    Download Submit
  • C:\Windows\SysWOW64\tvfxyslhioxww.exe
    Filesize

    255KB

    MD5

    dca37eb56c489abb49f093d0bda12117

    SHA1

    ec8b4544518b27de4decb3843ae2bdc3d0982790

    SHA256

    3bb9fad8991c5bdf180d99a0882450f1dce3ac4d66ca8b79b5b232cf52f7f664

    SHA512

    15def5bbe3ce23cad29c94554769410f3c583731c21fe7cfadc9a7fa278681c8abddb5a9361112f611f48160a0eec617114063e30f2092c58da3097bca4a3b5e

    Download Submit
  • C:\Windows\mydoc.rtf
    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    Download Submit
  • \??\c:\Users\Admin\AppData\Roaming\DisconnectCompare.doc.exe
    Filesize

    255KB

    MD5

    6455627a2aada2fc43827ad95a710a94

    SHA1

    3f551df5bfb7b9dc3b87f2c8155149a4c538c44f

    SHA256

    657c870f7b2e954c5bedf67512cf7430c692b2e9146eeedeb253704e5495ce61

    SHA512

    66c2c0b910de13a59b114db86405bb5ca487c31408cae626b30dc76f27b579588e56f48757532b1514170c43d2901bcd4873e9c9e5e5285ddeb13145d3dc97c8

    Download Submit
  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
    Filesize

    255KB

    MD5

    07f5c27d081bdfc1d21d9dff9de92bde

    SHA1

    9482c77e7a004e0ec19d4ca445867ad4dceb136b

    SHA256

    41403288293f19fe61bad0232a81847dd78be19a65a04e74546534d17f4d9148

    SHA512

    94167c1b33d39caeb8594239452c501d61dde959c1a0deaab91d8e28948b6ed4a5c8c163429ade4230985b4dac61f9137d5bcaf3bde3818d1be593be63ec1f85

    Download Submit
  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
    Filesize

    255KB

    MD5

    3342550809bdc78dfbe7bb98dc856235

    SHA1

    0bea1a87e047a056ae4bbb3dfee2a65912a4ff00

    SHA256

    367bf292cd939c624b446dd0f76625f4e295e241ab0f1d7ddb86d7d293910120

    SHA512

    cda34e149639f1342fed95c03df316adbaf46c2dbff5c29c5f83fea2df23aa73f65486c274b53d67e5568b636b4e142fa3d287dd73045ef9e9253aa612927e1a

    Download Submit
  • memory/2356-153-0x0000000000400000-0x00000000004A0000-memory.dmp
    Filesize

    640KB

    Download
  • memory/2356-166-0x0000000000400000-0x00000000004A0000-memory.dmp
    Filesize

    640KB

    Download
  • memory/2356-151-0x0000000000000000-mapping.dmp
    Download
  • memory/2816-132-0x0000000000400000-0x00000000004A0000-memory.dmp
    Filesize

    640KB

    Download
  • memory/2816-150-0x0000000000400000-0x00000000004A0000-memory.dmp
    Filesize

    640KB

    Download
  • memory/2816-133-0x0000000000400000-0x00000000004A0000-memory.dmp
    Filesize

    640KB

    Download
  • memory/4360-154-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4360-160-0x00007FFDD0F00000-0x00007FFDD0F10000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4360-155-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4360-156-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4360-157-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4360-158-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4360-159-0x00007FFDD0F00000-0x00007FFDD0F10000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4360-173-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4360-176-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4360-175-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4360-174-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4360-147-0x0000000000000000-mapping.dmp
    Download
  • memory/4508-165-0x0000000000400000-0x00000000004A0000-memory.dmp
    Filesize

    640KB

    Download
  • memory/4508-149-0x0000000000400000-0x00000000004A0000-memory.dmp
    Filesize

    640KB

    Download
  • memory/4508-144-0x0000000000000000-mapping.dmp
    Download
  • memory/4968-164-0x0000000000400000-0x00000000004A0000-memory.dmp
    Filesize

    640KB

    Download
  • memory/4968-140-0x0000000000000000-mapping.dmp
    Download
  • memory/4968-148-0x0000000000400000-0x00000000004A0000-memory.dmp
    Filesize

    640KB

    Download
  • memory/4988-137-0x0000000000000000-mapping.dmp
    Download
  • memory/4988-141-0x0000000000400000-0x00000000004A0000-memory.dmp
    Filesize

    640KB

    Download
  • memory/4988-162-0x0000000000400000-0x00000000004A0000-memory.dmp
    Filesize

    640KB

    Download
  • memory/5024-134-0x0000000000000000-mapping.dmp
    Download
  • memory/5024-161-0x0000000000400000-0x00000000004A0000-memory.dmp
    Filesize

    640KB

    Download