Resubmissions

30-12-2023 09:02

231230-kzgqrsedaj 10

Analysis

  • max time kernel
    1794s
  • max time network
    1583s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    14-04-2024 13:33

General

  • Target

    13ff5145f905b197eee478e565e30f4e.exe

  • Size

    1.2MB

  • MD5

    13ff5145f905b197eee478e565e30f4e

  • SHA1

    5d983937eeb3ce1455eed52bb478c84d54d64f81

  • SHA256

    df2894b4298be05620b329d27bf0b45314629316fd6a082b6d90bbdfe9bf5a53

  • SHA512

    02a97bcca38b98d481e05bb8216d22bc893594d887b45bb9c87732c0f030dcdcdc40e3f1d3a5954751e888a3056bd44996ea7e36eca37f4977642ef38da417ca

  • SSDEEP

    24576:XHtrdKYVVSrqGDohJ3STZG8vIn/sCBGnWsY0Dy2:XHtV7GwBSTc8An/4YF2

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 59 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\13ff5145f905b197eee478e565e30f4e.exe
    "C:\Users\Admin\AppData\Local\Temp\13ff5145f905b197eee478e565e30f4e.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:2968
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2192
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:4648
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:1620
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3888
  • 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:3536
  • 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:2708

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

    279KB

    MD5

    8540f4e01c034099b59f3ac91a210795

    SHA1

    0ce933bd2cf83d39888170872b95d370da1292cc

    SHA256

    d94b0895294df98cea261214d23013cefd97650da8a88992ffee856815e673d9

    SHA512

    e5d5732a15602b0624359649c7cf4673c9b95b5c77b5be0442b5fbced66ba6bac0e4ca9383f84f3fe889f5a8137f042e09a991aef3f4f594b2a51db3edc8f346

  • 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

    d78165d37a356516fc892ab57d371e6e

    SHA1

    8c3a9da822b62aac577bfc6466ce61599ae833b0

    SHA256

    1a1e5f86dc3f2770625c01dc6d6ff5fb1e0a8c15f546e5728a97c0653e47f483

    SHA512

    ff312c50ac4badd6e9809e50e4c093ce46f451d9d3402c82a1a70add6e70114bea9429c7015f8913cb5d69ec9a0dd45c704feb108dab4d0e7c44417897f7db2e

  • 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

    f639984604de1ac060df5b212482d48c

    SHA1

    6cf0e16317fa4aedad78e88341e987f75339eec0

    SHA256

    6e67b5de230936ef0a92c7f08917afb1138a4831dc7209ce2385d076628ee5e4

    SHA512

    42c45dbd4acfe2056abad7b0f5ff5464ee50261f84601c48bce5f8defaee39c3c39734d53a6dc0a74853838e94e15bfd2cafcfe3ecfb3092ca53d197ce23aa6d

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

    1024KB

    MD5

    eba4e0b01ffe34626b5e200d18741b66

    SHA1

    1b5c320a0d0df24fa823d3e7d089e25a0db6a0a5

    SHA256

    ff580f5b35bf1846a5250e56ee820d7fa1c7adb54784562da5907ee0d896d438

    SHA512

    909910ec8fd0041f61935533779c4c0dbf4848b4a1d688cb1c37139cfdcaef3b3e49f7e747fd015efa0da4446de7b9098bdb5724fc683fc52e634b6daa2f45db

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

    1024KB

    MD5

    857eda6cd64074d2f6119baa391a119f

    SHA1

    3409c5110fe15c08dfecd7763bf004721c477792

    SHA256

    d3a03220e4601e92518258a16fea10fbc1e99b96a71055eb18471bf24efae0ef

    SHA512

    55fed1af73511ccbc463fcb8533014038783025e6079fa41295748c44f66de62a37e0bd995a52ac039c5194519d398ce33e8c7285a51e089a3ab4e03cfe3c8fe

  • 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

    834ea5b8eae0cc502fffec8ed6ff4b7c

    SHA1

    c5b4e9d46caa0fc37d75aefbf51dc645b5c71fd4

    SHA256

    8c32b3ae58dea844c66d3b1a76ea614c55f71a08bc6f223e73ceb6457855a674

    SHA512

    51d2604b87a39b1cb90692332d9b88ea15d4970a36c8d1c8646b1cf3ec9737bd71a12d66a27ae3087d43289969a939042bc389a4b5875ca3ddb2a087ccac80ff

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

    7KB

    MD5

    6b6c2d5a6a113e368faa807d9ac24042

    SHA1

    42683f4f21dc930288167359bdfa95d210b84d0b

    SHA256

    da03d62603038b2d33077a3322406132cf4cdef441f8b40d6e015e947cc9bd27

    SHA512

    b431f946459c28d9386f3b520e9e94d1e45788e5d509c827adc457381b8be740044beafd096f7bf7fe148ede8d71720f0266c1afda8d960f05c12b0ee4a59d43

  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Cortana_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\MOQY2KJ2\microsoft.windows[1].xml
    Filesize

    97B

    MD5

    4861a225c81e8422d8a06b1af318d61e

    SHA1

    abed6b3d651cc3e9e50c666506bd74146b9b0153

    SHA256

    9f3a194e3c3341650ab2b6a3a383c92b785bc09becdbc748b60be99bdf611a4b

    SHA512

    2ad1627801bb35b5f27080b3bb9e1526a1ca7b93d808e5caae51eca4292342e451c324c2e2dd257a3fa917f372bbbea1c2211c5ab2d543736dec15d5ad8a9a4f

  • C:\Users\Admin\AppData\Roaming\2B93BEAA2B93BEAA.bmp
    Filesize

    2.6MB

    MD5

    993cc909a89f0fb7fe90acc3703c2105

    SHA1

    f422cdcb426718b235a19080b0daf71c9b448768

    SHA256

    4aa6cdb9ce95410f85a05b21967d224cfd49cf8c7fa18d9998304a16d4e4b5d8

    SHA512

    5ec562b1e6f91f8774bf8fd00a6a413b4b4b5be2ede17ff9c417fce7097b7d313b136740e525c19a77f220e80fb0e92f8f4d1866ea185c9fc6755c3b41aa9762

  • memory/2968-39-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-46-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-13-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-14-0x00000000020D0000-0x00000000021A5000-memory.dmp
    Filesize

    852KB

  • memory/2968-15-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-16-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-17-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-18-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-19-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-22-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-23-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-24-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-25-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-26-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-27-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-28-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-29-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-30-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-31-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-32-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-33-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-34-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-35-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-36-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-37-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-38-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-11-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-40-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-41-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-42-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-43-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-44-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-45-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-12-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-47-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-48-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-49-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-50-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-51-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-52-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-53-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-54-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-55-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-56-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-57-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-58-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-59-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-60-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-61-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-62-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-63-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-64-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-65-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-66-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-67-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-8-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-5-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-4-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-3-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-2-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-1-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-0-0x00000000020D0000-0x00000000021A5000-memory.dmp
    Filesize

    852KB

  • memory/2968-68-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-69-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-70-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-71-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/2968-72-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB