Resubmissions

17-04-2024 15:10

240417-skjktade45 10

17-04-2024 15:10

240417-skhzaade44 10

17-04-2024 15:10

240417-skhcrafa4s 10

17-04-2024 15:10

240417-skgq8ade42 10

17-04-2024 15:10

240417-skgffsde39 10

15-04-2024 12:57

240415-p6157shb6w 10

15-04-2024 12:56

240415-p6n6mshb5y 10

15-04-2024 12:56

240415-p6ft9seh37 10

15-04-2024 12:56

240415-p6exzaeh36 10

15-04-2024 12:56

240415-p6d1nseh34 10

Analysis

  • max time kernel
    1195s
  • max time network
    1011s
  • 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 15:10

General

  • Target

    02e8c7af3724ff535da627197920ad14.exe

  • Size

    1.2MB

  • MD5

    02e8c7af3724ff535da627197920ad14

  • SHA1

    794bd6f52a9673e1146321fa2545c580858c0d5f

  • SHA256

    ed801a3e54843afe989aadd69cdab5e6fbf00e8e02742f354519b4b16de8f31c

  • SHA512

    8a8710ffced04c30f5c43c71ebcbcf56f7b096836f67d1a847db4a8df4f39e291f3e7119f45f03fa1ca0abd0021f81abd31bb775fa22fe2340c1cf24f19f2555

  • SSDEEP

    24576:XHtrdKYVVSrqGDohJ3STZG8vIn/sCBGnWsY0Dyk:XHtV7GwBSTc8An/4YFk

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 43 IoCs
  • Suspicious use of FindShellTrayWindow 45 IoCs
  • Suspicious use of SendNotifyMessage 24 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\02e8c7af3724ff535da627197920ad14.exe
    "C:\Users\Admin\AppData\Local\Temp\02e8c7af3724ff535da627197920ad14.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:4892
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2664
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1952
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:2420
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5060
  • 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:1952
  • 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:2988

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

    226KB

    MD5

    bfde7c38b5054d118b2ca8327eca088e

    SHA1

    effeb78734bc6f568f4ec77fe4b95f7d7ee6aedf

    SHA256

    2e3192554f6eacf64bc9555475570791379197594408aae203608c0fe7fe0480

    SHA512

    d143f07914b1a0d7b6f916a00a364486545c307035b18763da0532fed9a8adb1953c571222819842b303c878740857501309fe855a0cc357109a65cc41cc5e41

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

    1024KB

    MD5

    eec3fe6baad1a086027cdd438077289c

    SHA1

    7d85f86f8447d3c16d85406bf39fb3def1a8cf82

    SHA256

    5b4aaee1e8e08ca9dbcb68bf922d6cac5b61b0c2c7bf00a272c65dc881d50d57

    SHA512

    f8ea256986ba1948104e2e72f03ebd699f6a6ecac9db0642a23115e9a48c984b7fb01026bf312e6bab494b4505033a684fa19d8955bc303e30f0739cbf664ef4

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

    1024KB

    MD5

    8534be545c944eecadf2756ba39c21cd

    SHA1

    2d46544b2e734ea991049d70d162ce1e3b6ab233

    SHA256

    bffa651bd3f26fdde4450be652c40db4ed7df7f8d5d821fcd014843bc9487c67

    SHA512

    27511a44aebc468ad559aa5fb92b41de806d959054e201f26a4cde33b2e87340cb1742a8542dfa836ce1f9651ff53b00812c8cdd203398a9a3b44c32d5851485

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

    7KB

    MD5

    5a9642d459cbf1be05ca5e52a4a9142d

    SHA1

    24eb0bebddff4e3e58de4583a94c7453e8f89dc6

    SHA256

    16bafbf0aeda01f8287aae20e90f91eb85dc0f3129510d0a1da3777232a7935a

    SHA512

    a24fbc22be9bb5b137266d5928ac48e0e3627d88e4608351d06a8cae732ad673d529be451d19281079617669eaa8cacc3e023e3361db3a3533728fb670b03ff0

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

    7KB

    MD5

    b99c180291e328206485aeb27bc83f8e

    SHA1

    7523f8463ca561e909ab8180e2d88e2350455a85

    SHA256

    7aaa6077151448909048f59f56446ed9b23956631cc5cfe320bf0e6a616452ca

    SHA512

    d1e69dd9101f08271f553ada1930f079d39d568b2af12e0690680057978c103631affaff485d2af4b209055bbea75dc3884173597ef8f5e9ceb2e2472aa35069

  • 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

    726a1ccf6402fbbfe19d8238fbf5a8bd

    SHA1

    a234e266963022b999b5c56de8075bcd12748003

    SHA256

    ee5f2b5452bc3442d66e92172b8571f098451e8cf6639ecb8c28ea45dccbff6f

    SHA512

    f6fd8725036e35c5eff695bd73e30fa2310e8b6d04affcb33308c730848702a240c044292e8fb70d272ad6d27baad86fe572c501ae7cb5f426417c54263d7886

  • 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

    c9c7c6f211bb96ed6c79070f0dbd2a03

    SHA1

    18ab96ef5a0021ef6367fb7f2aa780559c1de7e1

    SHA256

    f20c3a4558908fe62567ccc5fc4bba6b10bd8e92f208fa2f8e399fba21c855ad

    SHA512

    047dc78e329eefb193da55858ea104c5fc2d65f449418ff5e9b785ddb17041ba3dc544c92dfa6eeb31cda52d253ae5e47408a46429a54e48cfda71b40287676d

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

    97B

    MD5

    8a95f373f3835ef65c01e1bff3c09bb0

    SHA1

    802406563c22abc215e435f426a12667c74d42d8

    SHA256

    7c1bdff822950771c93e538934054e10e257ddbadc63813a6df70284bca8535b

    SHA512

    980d80be5b5e380e257c2ac045c756ed53ac1207e955f0768e21b4b090e25d60b0af789090991c274a7ae09944e7f6289b0aa7d0050fbcf0dfca196ac1308847

  • C:\Users\Admin\AppData\Roaming\7E168DCF7E168DCF.bmp
    Filesize

    2.6MB

    MD5

    993cc909a89f0fb7fe90acc3703c2105

    SHA1

    f422cdcb426718b235a19080b0daf71c9b448768

    SHA256

    4aa6cdb9ce95410f85a05b21967d224cfd49cf8c7fa18d9998304a16d4e4b5d8

    SHA512

    5ec562b1e6f91f8774bf8fd00a6a413b4b4b5be2ede17ff9c417fce7097b7d313b136740e525c19a77f220e80fb0e92f8f4d1866ea185c9fc6755c3b41aa9762

  • memory/4892-39-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-46-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-13-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-14-0x00000000008C0000-0x0000000000995000-memory.dmp
    Filesize

    852KB

  • memory/4892-15-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-16-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-17-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-18-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-19-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-22-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-23-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-24-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-25-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-26-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-27-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-28-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-29-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-30-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-31-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-32-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-33-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-34-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-35-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-36-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-37-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-38-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-11-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-40-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-41-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-42-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-43-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-44-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-45-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-12-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-47-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-48-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-49-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-50-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-51-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-52-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-53-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-54-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-55-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-56-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-57-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-58-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-59-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-60-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-61-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-62-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-63-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-64-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-65-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-66-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-67-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-8-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-5-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-4-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-3-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-2-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-1-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-0-0x00000000008C0000-0x0000000000995000-memory.dmp
    Filesize

    852KB

  • memory/4892-68-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-69-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-70-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-71-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB

  • memory/4892-72-0x0000000000400000-0x0000000000608000-memory.dmp
    Filesize

    2.0MB