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17-04-2024 15:08

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Analysis

  • max time kernel
    1791s
  • max time network
    1608s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17-04-2024 15:08

General

  • Target

    3d4d462dbc7dbfd12af693f8176e9fd6814560ed763448fa75fa6dad026567f4.exe

  • Size

    1.2MB

  • MD5

    c722f0a20113bb1488382daefda9a358

  • SHA1

    4d269f0ec76a564f952c348b32a3b59c34bab2b4

  • SHA256

    3d4d462dbc7dbfd12af693f8176e9fd6814560ed763448fa75fa6dad026567f4

  • SHA512

    534a1acdd94846138086a9912f8c2bcf154e0765f80d0a8432004687c76909fa9ab95adef24b8ec67b10cdff2aa59c50d0bf086e034e3b12f4ea484c7605e991

  • SSDEEP

    24576:IIvEq8jlEBPkNShzxh7QjO+NhXh1l/JFfnE88smv:najiNOsbQjOuXh1lvESw

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 64 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 3 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 26 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Interacts with shadow copies 2 TTPs 3 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 44 IoCs
  • Suspicious use of SendNotifyMessage 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d4d462dbc7dbfd12af693f8176e9fd6814560ed763448fa75fa6dad026567f4.exe
    "C:\Users\Admin\AppData\Local\Temp\3d4d462dbc7dbfd12af693f8176e9fd6814560ed763448fa75fa6dad026567f4.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4192
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:4680
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:4724
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:4012
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1016
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Enumerates connected drives
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3520
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:5084

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

4
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\System32\xfs
    Filesize

    239KB

    MD5

    644bce1d2930988923e71d02ca69f5f3

    SHA1

    72e34f2126bd068017bc973d8252ae051f1ce205

    SHA256

    580e7cd0c5a68651dc23664b618d25c8c2f0994ffbb1a2911c37d66b823f2e32

    SHA512

    520043df448cb53fb42449759a7574fbfae8c4284a795c98e113cef137a76ca474c6e3187f75cc03a8f9e6b121f425ddb0887c6132541546aabefbab1e07d383

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db
    Filesize

    1024KB

    MD5

    c54cde3ceede65db57e1ef09429038d6

    SHA1

    d40df43ca2538ba8f23eb8d5e6ba48c6cd1a29a7

    SHA256

    80a0bcaaf774d79edb86f7cf3793bb8d584f3b74a67112b7b7b651aa762240eb

    SHA512

    1677ee5d05e7357550bf0b45d5f077557e3835d066ac930692112c69c4719a4f618af33f8531b9b99f202d3e69716e2f53faa7da0c8092ffa22a43b585777f2b

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db
    Filesize

    1024KB

    MD5

    f5d52cefad8b89039e31bc8ce9772a21

    SHA1

    fc1337ed6d30c0bfa3340a9bd5c37fef2ae7815c

    SHA256

    3e562645596446a659035ca85df8938522b8be3c7f3af52852799c09339e213a

    SHA512

    d5bffc8bac73572a54a275f2fb1e617ded1666c3287d29b90bad0785cd69a191924dbd2aa0a01ba14945c1a712640602fe2190cdba7e8e85f57ef1846f8ab60e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db
    Filesize

    7KB

    MD5

    53a1264b64e3b5b0d8f3c913e97524e2

    SHA1

    85a684869f8721cb327cf7f6fb3ce8f2b39e80e9

    SHA256

    9353985c11ae4085208fcd8527fe754bf3feda7bc1c93efe0ba0bcf98f37594a

    SHA512

    c50ee6e14cae24769d211e46bebd7bebfc684132baa1f67930434709505acbd1b74885efc28acd8c3c43885f12599e135594dcca89c96ccbd6b7a11689da945a

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db
    Filesize

    7KB

    MD5

    ad6ccaf8a3ba84b1733d78e42a6f5d99

    SHA1

    548945e4f024121d399f6166c78e9a8b3b82a603

    SHA256

    7426f855c9a54b55582992df7e121b94b062f9dba03ceb5ae2f32344d9456c4f

    SHA512

    2c4b3c6bbc61d256ac5b6136d71fefb42cfcfd940c5e0b67eaa89364338d174791e7bef75a1a7a8a92eb17a752d124c1d8ba335d079e5b8a87fcb82713ad1b77

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_16.db
    Filesize

    1024KB

    MD5

    00962796e8e6a67848fe922af39dab36

    SHA1

    5c6ef18bee17287befd41bd8d963b1ff9c06a768

    SHA256

    4244481bf9223510abb20c966740da6b6cdf71e927812b71d72ec1521d04cd3f

    SHA512

    e1c699041911cb6b04997bd2c24aee1dc79c3a05196b4565adaf829e38b87d0ca79482e845c08aa0aea8e4564c3c90824f99c2aec76eac18e1bbeac5d1eebe26

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_256.db
    Filesize

    1024KB

    MD5

    b1b962c6b71fff5cba49c55cd61fb859

    SHA1

    d4f7d1e1f39796effd62b76581ae57c0baf92c91

    SHA256

    767db280f98f5df8b14aa017dafdd45e4edeff32d5be5e813c1d6999df5521bf

    SHA512

    6309636ee5d94d2423c5616569e284bfff2f2593ec1580d87f546369cc77900003dc71b91c7cc0d7be85c7b4dc5b6cf1d2be7248d868dd790c6823ad21e78866

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_48.db
    Filesize

    24B

    MD5

    ae6fbded57f9f7d048b95468ddee47ca

    SHA1

    c4473ea845be2fb5d28a61efd72f19d74d5fc82e

    SHA256

    d3c9d1ff7b54b653c6a1125cac49f52070338a2dd271817bba8853e99c0f33a9

    SHA512

    f119d5ad9162f0f5d376e03a9ea15e30658780e18dd86e81812dda8ddf59addd1daa0706b2f5486df8f17429c2c60aa05d4f041a2082fd2ec6ea8cc9469fade3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db
    Filesize

    7KB

    MD5

    612647ab3768a5c0527bbe2367b06b8f

    SHA1

    c3081d90599de8dd1982a9c1749e438ba31ecec2

    SHA256

    20186be403f663c1c19a61b040d49f199747b5a0de9010699bad10071071ba38

    SHA512

    2c6c2fe53df99c83b5115dbf626edfd68416e6b55a8de72505dc8a417bcc47c8533fbdc789fcf4959b0878a0dee542ac2da8552fc0a7156da7a65ea708859a6a

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db
    Filesize

    7KB

    MD5

    9e1fe2386baf662c810b60fba0117e6a

    SHA1

    0e07b59b73745a3218c2be4779ee6207ea4314a6

    SHA256

    05e7b49c7efc653584951766fefd36720b5f58fd331a10e73e11294d6ef9bcc6

    SHA512

    42fb82791b5c17fc7fe870474549f275baa21e191b664709e2adff55151c7deea412a84d8cd0201758a5c44dd99001816d5fc05238b4c8a37da30da258bd69e7

  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Cortana_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\D1ASO0I0\microsoft.windows[1].xml
    Filesize

    96B

    MD5

    9ba8f28920bc66fefcb07b562517943c

    SHA1

    37d2b76dc7b33e36545c6f9e6bc7424082ecfc1f

    SHA256

    94b3e3ad1d0c3925eca4735217885913a0c1d174f45238a888cd81781920f78e

    SHA512

    9e1a11eb517994237b41288e00b2b5fd4e5ec652caf6172ca8a5739642e34d7859eee3e0833e55d2662778d691b6fb04f20d202b74865d8bf83929f7c71c862d

  • C:\Users\Admin\AppData\Roaming\4F6F87714F6F8771.bmp
    Filesize

    2.6MB

    MD5

    993cc909a89f0fb7fe90acc3703c2105

    SHA1

    f422cdcb426718b235a19080b0daf71c9b448768

    SHA256

    4aa6cdb9ce95410f85a05b21967d224cfd49cf8c7fa18d9998304a16d4e4b5d8

    SHA512

    5ec562b1e6f91f8774bf8fd00a6a413b4b4b5be2ede17ff9c417fce7097b7d313b136740e525c19a77f220e80fb0e92f8f4d1866ea185c9fc6755c3b41aa9762

  • memory/4192-39-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-46-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-13-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-14-0x0000000002460000-0x0000000002535000-memory.dmp
    Filesize

    852KB

  • memory/4192-15-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-16-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-17-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-18-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-19-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-22-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-23-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-24-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-25-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-26-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-27-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-28-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-29-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-30-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-31-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-32-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-33-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-34-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-35-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-36-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-37-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-38-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-11-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-40-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-41-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-42-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-43-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-44-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-45-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-12-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-47-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-48-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-49-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-50-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-51-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-52-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-53-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-54-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-55-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-56-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-57-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-58-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-59-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-60-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-61-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-62-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-63-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-64-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-65-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-66-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-67-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-8-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-3-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-4-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-5-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-2-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-1-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-0-0x0000000002460000-0x0000000002535000-memory.dmp
    Filesize

    852KB

  • memory/4192-68-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-69-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-70-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-71-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4192-72-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB