Overview

overview

10

Static

static

10

Solara v2.exe

windows7-x64

10

Solara v2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-06-2024 17:44

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General

  • Target

    Solara v2.exe

  • Size

    230KB

  • MD5

    2c97e31fdc209f1ae51f1dc93a7993a7

  • SHA1

    fc6214f6e91809aaf29fa39cc6a0ebd09fa35909

  • SHA256

    eed43c12866f5d2d70382ccd10a07670e4b935885a3dbf375da38b8924339b0d

  • SHA512

    17d0b2244ceeb9d0d7cc75529a071bf4208b8b8b7d77d69f4639e5f2c2c8e66f81fc5a49689741caae9967a23877e0841f4aeb139471bd46f5ba95cdb9b6a415

  • SSDEEP

    3072:H/FnmqDWX+bSdKsmCOEtrH8SKfbzxcwg7es6/Vsb8VKTu549oJMfF/H9N3Ky9Nz8:nDWub5kUhcX7elbKTua9bfF/H9d9n

Score
10/10
modiloaderxwormexecutionpersistencerattrojanupx

Malware Config

Extracted

Family

xworm

C2

takes-stewart.gl.at.ply.gg:61176

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    trojanmodiloader
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • ModiLoader First Stage 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Solara v2.exe
    "C:\Users\Admin\AppData\Local\Temp\Solara v2.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Solara v2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3788
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Solara v2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1724
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3444
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4136
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\zaikyf.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:184
    • C:\Users\Admin\AppData\Local\Temp\izboyr.exe
      "C:\Users\Admin\AppData\Local\Temp\izboyr.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4632
    • C:\Users\Admin\AppData\Local\Temp\ahtpsw.exe
      "C:\Users\Admin\AppData\Local\Temp\ahtpsw.exe"
      2⤵
      • Executes dropped EXE
      PID:416

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

    Download Submit
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    944B

    MD5

    77d622bb1a5b250869a3238b9bc1402b

    SHA1

    d47f4003c2554b9dfc4c16f22460b331886b191b

    SHA256

    f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

    SHA512

    d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

    Download Submit
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    944B

    MD5

    9a5ef76c73621cc9a3e30180f27825f7

    SHA1

    2b081cba98c0b0fb51bdb65fc09c193220d79af6

    SHA256

    085c206c5bc578804a88e4c6daf8535a95ecb7d8c0356ff2f193b268bf6a7aae

    SHA512

    14f2cc01b5cb014d19e8a142c5e31295b973851837953b0a98072c1de67ca5348f4b5b1e3ca4329711ef9e37da4add77d943e25087fcb394f39391f840049539

    Download Submit
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    944B

    MD5

    aeceee3981c528bdc5e1c635b65d223d

    SHA1

    de9939ed37edca6772f5cdd29f6a973b36b7d31b

    SHA256

    b99f3c778a047e0348c92c16e0419fa29418d10d0fec61ad8283e92a094a2b32

    SHA512

    df48285f38e9284efdbd9f8d99e2e94a46fb5465953421ab88497b73ae06895b98ea5c98796560810a6f342c31a9112ea87e03cd3e267fd8518d7585f492a8fb

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wk4nmew1.gn2.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\ahtpsw.exe
    Filesize

    9KB

    MD5

    b01ee228c4a61a5c06b01160790f9f7c

    SHA1

    e7cc238b6767401f6e3018d3f0acfe6d207450f8

    SHA256

    14e6ac84d824c0cf6ea8ebb5b3be10f8893449474096e59ff0fd878d49d0c160

    SHA512

    c849231c19590e61fbf15847af5062f817247f2bcd476700f1e1fa52dcafa5f0417cc01906b44c890be8cef9347e3c8f6b1594d750b1cebdd6a71256fed79140

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\izboyr.exe
    Filesize

    359KB

    MD5

    b65fc413c4af96d84822e39ce969942a

    SHA1

    eaa176253f3b91ef6094221403362c8c51dff572

    SHA256

    dc9015e7327c29d6699e1cb8c23148fc73af11de910ab335868342f02f22703c

    SHA512

    3e18e86a00fe81fbf27cad0c224c4772e827cfa9a18f6baeee71cf49501ccdde330e592f59b820c54669f19dda1c8fa8a2342eb5b1cf240678b4979969094454

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\zaikyf.txt
    Filesize

    16KB

    MD5

    d4d466d40994b9fd8cfa52719940bed4

    SHA1

    ce647a759452ebcc6e86313a53cb5882d6c53056

    SHA256

    1460adcdb3978b76a832ea1d0557effe6912d02e342f869ee30dedb151f32350

    SHA512

    c4b6258bfd79aebc7afa04cf69300108de67f41613e37d650fbed55666669bc35b1483c2b873e49d83d080582ecbe7b55462e7fb488c231dfd4d875f991004b1

    Download Submit
  • memory/416-84-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/416-82-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1780-58-0x00007FFE98210000-0x00007FFE98CD1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/1780-53-0x00007FFE98210000-0x00007FFE98CD1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/1780-54-0x00007FFE98213000-0x00007FFE98215000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1780-1-0x00007FFE98213000-0x00007FFE98215000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1780-0-0x0000000000100000-0x000000000013E000-memory.dmp
    Filesize

    248KB

    Download
  • memory/3788-17-0x00007FFE98210000-0x00007FFE98CD1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/3788-14-0x00007FFE98210000-0x00007FFE98CD1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/3788-13-0x00007FFE98210000-0x00007FFE98CD1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/3788-12-0x00007FFE98210000-0x00007FFE98CD1000-memory.dmp
    Filesize

    10.8MB

    Download
  • memory/3788-7-0x000001B6935A0000-0x000001B6935C2000-memory.dmp
    Filesize

    136KB

    Download
  • memory/4632-70-0x0000000000400000-0x00000000004EC000-memory.dmp
    Filesize

    944KB

    Download
  • memory/4632-71-0x0000000000400000-0x00000000004EC000-memory.dmp
    Filesize

    944KB

    Download