Overview

overview

10

Static

static

PO. FSTG-2...OC.exe

windows7_x64

10

PO. FSTG-2...OC.exe

windows10_x64

3

Analysis

  • max time kernel
    149s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    31-07-2020 10:14

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    PO. FSTG-20200030_SACANNED_DOC.exe

  • Size

    648KB

  • MD5

    c67e2d8e8a60cf1f14907fa6cea61a96

  • SHA1

    f2534ee1529c191ab0039f72f83c0ba8b0ee4f51

  • SHA256

    c12845933b071eca81b78d24633ce54ea211cfedcdca167eb28cbf93572ebc1a

  • SHA512

    eee5bd0f568572ef497fdf26769ab46fec13520cf8df11a0dba326ef85cb0562f5c71b63a71e499030d0d439b1d6a18494470bf90fc7c89ae287805772c197ea

Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.chigo-cec.com
  • Port:
    587
  • Username:
    liu@chigo-cec.com
  • Password:
    Pcjz4*#i3_cK

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

    spyware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO. FSTG-20200030_SACANNED_DOC.exe
    "C:\Users\Admin\AppData\Local\Temp\PO. FSTG-20200030_SACANNED_DOC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1436
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 800
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:652

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

    Download Submit
  • \Users\Admin\AppData\Local\Temp\InstallUtil.exe
    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

    Download Submit
  • memory/652-10-0x0000000000000000-mapping.dmp
    Download
  • memory/652-11-0x0000000001FD0000-0x0000000001FE1000-memory.dmp
    Filesize

    68KB

    Download
  • memory/652-12-0x0000000002750000-0x0000000002761000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1436-1-0x0000000000000000-0x0000000000000000-disk.dmp
    Download
  • memory/1856-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1856-5-0x0000000000446A6E-mapping.dmp
    Download
  • memory/1856-7-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1856-8-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download