Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22-01-2021 06:30

General

  • Target

    PARTS REQUEST SO_30005141.exe

  • Size

    846KB

  • MD5

    2d7aacdd99add9d7abd9faba6ca2f4aa

  • SHA1

    b2faa156fe7b9c03de235e14a5f399b576b60be5

  • SHA256

    3f1f5532911efbb82c03e4c3ad1bd72452c4030b8647cf2098a782d9501f4368

  • SHA512

    4c546ac1fbe4f01aad2379c8ab0de051c7efc3afce0c06abcf8efcfda48fa5d8a4a4f4db615b737d1ac1c4a38af48cfe1ec44880c06e5d13dd9bc1e2cd9b6923

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hybridgroupco.com
  • Port:
    587
  • Username:
    2021@hybridgroupco.com
  • Password:
    Obinna123@@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PARTS REQUEST SO_30005141.exe
    "C:\Users\Admin\AppData\Local\Temp\PARTS REQUEST SO_30005141.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Users\Admin\AppData\Local\Temp\PARTS REQUEST SO_30005141.exe
      "C:\Users\Admin\AppData\Local\Temp\PARTS REQUEST SO_30005141.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1180

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\PARTS REQUEST SO_30005141.exe.log
    MD5

    568e6f2b186c39075772d775e4189f57

    SHA1

    02f642cfdd1491b1ce69e81925ed336975e2f972

    SHA256

    d29bbfbb510acd8716133feeade8f914076963ccc38abb4b5a64a8d32bac44e4

    SHA512

    ef3b7f6d6b355c41ca9abb40d769622ea3f79787d8d2501ad5a135fa5cc78712175190386c8e05ee863a3bc046bc09eee22310555d31e4d57a4652f280283156

  • memory/540-2-0x0000000000D30000-0x0000000000D31000-memory.dmp
    Filesize

    4KB

  • memory/540-6-0x0000000000D31000-0x0000000000D32000-memory.dmp
    Filesize

    4KB

  • memory/1180-3-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1180-4-0x00000000004374BE-mapping.dmp
  • memory/1180-7-0x0000000002E10000-0x0000000002E11000-memory.dmp
    Filesize

    4KB

  • memory/1180-8-0x0000000002E11000-0x0000000002E12000-memory.dmp
    Filesize

    4KB

  • memory/1180-9-0x0000000002E12000-0x0000000002E13000-memory.dmp
    Filesize

    4KB