Analysis

  • max time kernel
    146s
  • max time network
    67s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25-01-2021 11:54

General

  • Target

    SecuriteInfo.com.Artemis707F61F6A223.20534.exe

  • Size

    1.3MB

  • MD5

    707f61f6a223928b5b4e7ba43c5db9ef

  • SHA1

    790e88842dde281990735f35ba738640bc4bb19d

  • SHA256

    488389b83ef686ae55e23b703daaeed23d3c791b95f0248bba422d58d2faaf85

  • SHA512

    a58ec9a3aa73a743a1681a1f7ca77731ebc5b183112657906302c826404c278898d65bf01b470bf07ef461ab921b276e306b85a463a54865dfa4716f7cf83bdd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.quicksaefreight-ae.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ehSXAXw7

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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Artemis707F61F6A223.20534.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Artemis707F61F6A223.20534.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Artemis707F61F6A223.20534.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Artemis707F61F6A223.20534.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1852

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_v4.0_32\UsageLogs\SecuriteInfo.com.Artemis707F61F6A223.20534.exe.log
    MD5

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

  • memory/1212-7-0x0000000004AB0000-0x0000000004AB1000-memory.dmp
    Filesize

    4KB

  • memory/1212-8-0x0000000004A20000-0x0000000004A21000-memory.dmp
    Filesize

    4KB

  • memory/1212-12-0x0000000006A80000-0x0000000006AE9000-memory.dmp
    Filesize

    420KB

  • memory/1212-2-0x0000000073290000-0x000000007397E000-memory.dmp
    Filesize

    6.9MB

  • memory/1212-3-0x0000000000010000-0x0000000000011000-memory.dmp
    Filesize

    4KB

  • memory/1212-9-0x0000000004C80000-0x0000000004C81000-memory.dmp
    Filesize

    4KB

  • memory/1212-10-0x0000000004D00000-0x0000000004D01000-memory.dmp
    Filesize

    4KB

  • memory/1212-11-0x00000000043B0000-0x00000000043D3000-memory.dmp
    Filesize

    140KB

  • memory/1212-6-0x0000000004F10000-0x0000000004F11000-memory.dmp
    Filesize

    4KB

  • memory/1212-5-0x0000000004970000-0x0000000004971000-memory.dmp
    Filesize

    4KB

  • memory/1852-14-0x00000000004375FE-mapping.dmp
  • memory/1852-13-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1852-16-0x0000000073290000-0x000000007397E000-memory.dmp
    Filesize

    6.9MB

  • memory/1852-20-0x0000000005300000-0x0000000005301000-memory.dmp
    Filesize

    4KB

  • memory/1852-22-0x0000000005610000-0x0000000005611000-memory.dmp
    Filesize

    4KB

  • memory/1852-23-0x0000000005DA0000-0x0000000005DA1000-memory.dmp
    Filesize

    4KB

  • memory/1852-26-0x0000000005301000-0x0000000005302000-memory.dmp
    Filesize

    4KB