Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 01:03

General

  • Target

    a972046e49f1eaa419d7e1fb14b9a60390ed0599041fa2a525d8b8149b117d4d.exe

  • Size

    973KB

  • MD5

    f09a9e9e987be741412bcaa6d48688a1

  • SHA1

    a38c89ae87bf35732b4ad39d5ce2d7f6ea1667d2

  • SHA256

    a972046e49f1eaa419d7e1fb14b9a60390ed0599041fa2a525d8b8149b117d4d

  • SHA512

    dc6372d24d17c524ac772fdce14cbe484bdda5c85927d98c2dc5998b93c1ebd8f1d730fbb795b24f8b19206ddfae3ccf30d2beb15f99cddeac8969ee1a85e544

  • SSDEEP

    24576:z34/+Z+pJvNZDhzHoMQvIE7Gg82VgOT2Dv:z38fJvTDhzrNE7jLVd

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a972046e49f1eaa419d7e1fb14b9a60390ed0599041fa2a525d8b8149b117d4d.exe
    "C:\Users\Admin\AppData\Local\Temp\a972046e49f1eaa419d7e1fb14b9a60390ed0599041fa2a525d8b8149b117d4d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2332
    • 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\a972046e49f1eaa419d7e1fb14b9a60390ed0599041fa2a525d8b8149b117d4d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2708
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dnXRaz.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2388
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dnXRaz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA2E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2596
    • C:\Users\Admin\AppData\Local\Temp\a972046e49f1eaa419d7e1fb14b9a60390ed0599041fa2a525d8b8149b117d4d.exe
      "C:\Users\Admin\AppData\Local\Temp\a972046e49f1eaa419d7e1fb14b9a60390ed0599041fa2a525d8b8149b117d4d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA2E.tmp

    Filesize

    1KB

    MD5

    49e526aa4e767ff56d385b6ab3a2d573

    SHA1

    731d7d54c65fe03d2002fe3b53ad91653e6480d6

    SHA256

    d31b140c76e55f2b858517299e280b449c0c177459a953d90932698e2af3a172

    SHA512

    8d9c99822af7f9f3b5a8b35d7ebb139583361e3ee9ab4b36fdd6c1b27c8e820544f9ec4548efd7d0ac2b9cff68cb023a8551343e3bb4ddba638e587fac2b465d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\L698BMC1458BOFHF81GU.temp

    Filesize

    7KB

    MD5

    5d9200d6c4d861325ef137bbf63186a7

    SHA1

    46667450676a2d9a41d6be5fbe58fd2d017f3355

    SHA256

    e29bf2e9c310a074598816fdaa0099566eec3e58b0e81c9a4acda804043d8afb

    SHA512

    05a8c0eea33b24233bd61149ec5aff7285261ef777a30789dcebe7ccc5d5b205d20f37351e6fc3a1ce6a70b28e5039b6c1832de87149fe6cb7a8144cb3d0102c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    5d9200d6c4d861325ef137bbf63186a7

    SHA1

    46667450676a2d9a41d6be5fbe58fd2d017f3355

    SHA256

    e29bf2e9c310a074598816fdaa0099566eec3e58b0e81c9a4acda804043d8afb

    SHA512

    05a8c0eea33b24233bd61149ec5aff7285261ef777a30789dcebe7ccc5d5b205d20f37351e6fc3a1ce6a70b28e5039b6c1832de87149fe6cb7a8144cb3d0102c

  • memory/2332-8-0x0000000005010000-0x0000000005050000-memory.dmp

    Filesize

    256KB

  • memory/2332-2-0x0000000005010000-0x0000000005050000-memory.dmp

    Filesize

    256KB

  • memory/2332-5-0x00000000009B0000-0x00000000009BA000-memory.dmp

    Filesize

    40KB

  • memory/2332-6-0x0000000005470000-0x00000000054EC000-memory.dmp

    Filesize

    496KB

  • memory/2332-7-0x0000000074AD0000-0x00000000751BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2332-34-0x0000000074AD0000-0x00000000751BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2332-3-0x0000000000520000-0x0000000000538000-memory.dmp

    Filesize

    96KB

  • memory/2332-4-0x0000000000960000-0x0000000000968000-memory.dmp

    Filesize

    32KB

  • memory/2332-1-0x0000000074AD0000-0x00000000751BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2332-0-0x0000000001210000-0x000000000130A000-memory.dmp

    Filesize

    1000KB

  • memory/2388-41-0x000000006EC10000-0x000000006F1BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2388-39-0x0000000002CC0000-0x0000000002D00000-memory.dmp

    Filesize

    256KB

  • memory/2388-38-0x000000006EC10000-0x000000006F1BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2388-48-0x000000006EC10000-0x000000006F1BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2624-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2624-46-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

    Filesize

    256KB

  • memory/2624-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2624-36-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2624-49-0x00000000737D0000-0x0000000073EBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2624-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2624-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2624-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2624-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2624-33-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2624-44-0x00000000737D0000-0x0000000073EBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2708-43-0x0000000002E00000-0x0000000002E40000-memory.dmp

    Filesize

    256KB

  • memory/2708-45-0x0000000002E00000-0x0000000002E40000-memory.dmp

    Filesize

    256KB

  • memory/2708-42-0x000000006EC10000-0x000000006F1BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2708-40-0x0000000002E00000-0x0000000002E40000-memory.dmp

    Filesize

    256KB

  • memory/2708-47-0x000000006EC10000-0x000000006F1BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2708-37-0x000000006EC10000-0x000000006F1BB000-memory.dmp

    Filesize

    5.7MB