Overview

overview

10

Static

static

WanvTh7JU7Wk7rS.exe

windows7_x64

10

WanvTh7JU7Wk7rS.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    96s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:18

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General

  • Target

    WanvTh7JU7Wk7rS.exe

  • Size

    588KB

  • MD5

    47259fa7286232982da2ffaadfcc8f5a

  • SHA1

    d3a25ee4ceed8f8cb56484c7c08649079f35f4c1

  • SHA256

    2309aa4694a2bf38f32daaf9d90dad4a50aee5c98bb5fd0e868aa02e44f6f2ed

  • SHA512

    c0278c87d94a836cd2dc6d2b3e385f6163d30d3c769e42645a583083e386032a5307c24d989376ccf1d00c2ccf7ee468e96ff60a46aa79bda872e2dcb2229c9a

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.macrosyselectronics.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @prosperity1@

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.macrosyselectronics.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @prosperity1@

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

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

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WanvTh7JU7Wk7rS.exe
    "C:\Users\Admin\AppData\Local\Temp\WanvTh7JU7Wk7rS.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fAeVDOXopp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3299.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3336
    • C:\Users\Admin\AppData\Local\Temp\WanvTh7JU7Wk7rS.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1648

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\WanvTh7JU7Wk7rS.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp3299.tmp
    Filesize

    1KB

    MD5

    65463df9c6c7b49c5e244ba8f14cf79c

    SHA1

    87aa4ae02a56ac5a4f11779050db2942b31408ca

    SHA256

    3e7105d83924d7d3550cd68ef784d3a3c6ff0108e568e86bdda80f7c7f9e1d76

    SHA512

    7b4fda4ba07f77219db688bbdd733c4a1dd362f9961910135050a5d3d937dcefbd28faa75c854ce82c46b8d29867d75587678a696dca57fda785f973f3a2499b

    Download Submit
  • memory/1648-137-0x0000000000000000-mapping.dmp
    Download
  • memory/1648-138-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1648-140-0x00000000064B0000-0x0000000006516000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1648-141-0x0000000006C00000-0x0000000006C50000-memory.dmp
    Filesize

    320KB

    Download
  • memory/3196-130-0x00000000006B0000-0x0000000000748000-memory.dmp
    Filesize

    608KB

    Download
  • memory/3196-131-0x0000000005710000-0x0000000005CB4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/3196-132-0x0000000005160000-0x00000000051F2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/3196-133-0x00000000050F0000-0x00000000050FA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/3196-134-0x0000000008A30000-0x0000000008ACC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/3336-135-0x0000000000000000-mapping.dmp
    Download