Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 01:25

General

  • Target

    Asco Valve Shanghai OrderPO-011024.exe

  • Size

    828KB

  • MD5

    9a60eaf7797d0888d2ee0361f21c0b81

  • SHA1

    922f6c8f286b435d7fb09e399f1562ec43bb62df

  • SHA256

    7f7bc308f1a31734af163c5b00fc0e1159d2ebdcebbe46b7c5113677f84fcea7

  • SHA512

    57234a89cd56509df48c253ce1484596a5e80550f00f8d932e8577ad69ee7fda853f3d7106f755c2343684de877b07717d9c1a7a9b0d6448cfcbe173bb67d604

  • SSDEEP

    12288:9xgX1QX7kIg7Htqmbif65YY2AKTLFarFdokODW15eP7r9r/+pppppppppppppppX:vUKkIgjZbfX2AKVarFdokSge1q

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe
    "C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2644
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nPKNUIybokG.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nPKNUIybokG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFD0D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3648
    • C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe
      "C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    Filesize

    18KB

    MD5

    76711f55901a600292d96814177bd2b4

    SHA1

    7bc098e217b1bf110ae0bb8e66044e7d3706ea6c

    SHA256

    e1037f0158918c5a73c70b81ad4a5667e5d04bbcdcb627fc7f28ae9d4eb296a6

    SHA512

    e7efa517675a04623d218abdfcfbae4783fc77b28ee72969cb9b5c40347fd708f620851501845296074601e5a2df4bfb94036dcb6ebaa53ac2d116974d8230d7

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g5ys0s0s.bi3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpFD0D.tmp

    Filesize

    1KB

    MD5

    4ce51f79975555f7c32054d62b945367

    SHA1

    6d50e2edfbc596d0889d5bbd1fd31da655a80533

    SHA256

    4144f2429013417e5e0977c06db65c0d364ed3e064a5932c2b75eaa7750af8ff

    SHA512

    8e896726f676d9ab9597039e757269f8ed18573d6f1711852a85c074910fde9e2e19734f3f4da06ee3647bebcbfb29e24cc4af7aee6e5615834918207c376b44

  • memory/1572-46-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1572-83-0x0000000005D40000-0x0000000005D90000-memory.dmp

    Filesize

    320KB

  • memory/2260-8-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/2260-7-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/2260-6-0x0000000005CF0000-0x0000000005D00000-memory.dmp

    Filesize

    64KB

  • memory/2260-9-0x0000000006F80000-0x0000000007002000-memory.dmp

    Filesize

    520KB

  • memory/2260-10-0x00000000099B0000-0x0000000009A4C000-memory.dmp

    Filesize

    624KB

  • memory/2260-5-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/2260-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/2260-4-0x00000000059B0000-0x00000000059BA000-memory.dmp

    Filesize

    40KB

  • memory/2260-3-0x0000000005A00000-0x0000000005A92000-memory.dmp

    Filesize

    584KB

  • memory/2260-48-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/2260-2-0x0000000005F10000-0x00000000064B4000-memory.dmp

    Filesize

    5.6MB

  • memory/2260-1-0x0000000000ED0000-0x0000000000FA4000-memory.dmp

    Filesize

    848KB

  • memory/2644-17-0x0000000004CE0000-0x0000000005308000-memory.dmp

    Filesize

    6.2MB

  • memory/2644-49-0x0000000005A30000-0x0000000005A4E000-memory.dmp

    Filesize

    120KB

  • memory/2644-29-0x0000000005480000-0x00000000054E6000-memory.dmp

    Filesize

    408KB

  • memory/2644-89-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/2644-15-0x0000000002210000-0x0000000002246000-memory.dmp

    Filesize

    216KB

  • memory/2644-16-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/2644-22-0x0000000004C80000-0x0000000004CA2000-memory.dmp

    Filesize

    136KB

  • memory/2644-18-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/2644-19-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/2644-77-0x00000000070E0000-0x0000000007176000-memory.dmp

    Filesize

    600KB

  • memory/2644-50-0x00000000060B0000-0x00000000060FC000-memory.dmp

    Filesize

    304KB

  • memory/2644-51-0x0000000006150000-0x0000000006182000-memory.dmp

    Filesize

    200KB

  • memory/2644-52-0x0000000071520000-0x000000007156C000-memory.dmp

    Filesize

    304KB

  • memory/2644-62-0x0000000006080000-0x000000000609E000-memory.dmp

    Filesize

    120KB

  • memory/2644-63-0x0000000006B80000-0x0000000006C23000-memory.dmp

    Filesize

    652KB

  • memory/2644-30-0x00000000054F0000-0x0000000005556000-memory.dmp

    Filesize

    408KB

  • memory/2644-82-0x0000000007180000-0x0000000007188000-memory.dmp

    Filesize

    32KB

  • memory/2644-79-0x0000000007090000-0x000000000709E000-memory.dmp

    Filesize

    56KB

  • memory/2644-76-0x0000000006ED0000-0x0000000006EDA000-memory.dmp

    Filesize

    40KB

  • memory/2908-64-0x0000000071520000-0x000000007156C000-memory.dmp

    Filesize

    304KB

  • memory/2908-78-0x0000000007370000-0x0000000007381000-memory.dmp

    Filesize

    68KB

  • memory/2908-74-0x00000000077B0000-0x0000000007E2A000-memory.dmp

    Filesize

    6.5MB

  • memory/2908-80-0x00000000073B0000-0x00000000073C4000-memory.dmp

    Filesize

    80KB

  • memory/2908-81-0x00000000074B0000-0x00000000074CA000-memory.dmp

    Filesize

    104KB

  • memory/2908-75-0x0000000007170000-0x000000000718A000-memory.dmp

    Filesize

    104KB

  • memory/2908-20-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/2908-45-0x0000000005A30000-0x0000000005D84000-memory.dmp

    Filesize

    3.3MB

  • memory/2908-28-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/2908-41-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB

  • memory/2908-90-0x0000000074E80000-0x0000000075630000-memory.dmp

    Filesize

    7.7MB