Analysis

  • max time kernel
    159s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:41

General

  • Target

    Inquiry RFQ 33307.exe

  • Size

    843KB

  • MD5

    77a805f8f52ca2ce8865e0b39cd3d9ab

  • SHA1

    7994710126438452afa09cf5ccaee14294c00f15

  • SHA256

    d55a82ddece8372f6c66dd91b8a02160bdd3a3e34f8df09bcbb44a40c6893827

  • SHA512

    4e0a3fe2cb2a3e0093fc277d6a7731eaf897da0fe0c9c00fcf7906c56b428be70aa543304f260c687fa4337f57ca47a6ee25f70e7202ddce83db8b04d57e8056

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.ikrrispharmanetwork.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Q5Ab{kp_p0?a

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Inquiry RFQ 33307.exe
    "C:\Users\Admin\AppData\Local\Temp\Inquiry RFQ 33307.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3296
    • C:\Users\Admin\AppData\Local\Temp\Inquiry RFQ 33307.exe
      "C:\Users\Admin\AppData\Local\Temp\Inquiry RFQ 33307.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3448

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3296-131-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/3448-130-0x0000000000000000-mapping.dmp
  • memory/3448-132-0x00000000009A0000-0x00000000009EC000-memory.dmp
    Filesize

    304KB

  • memory/3448-133-0x00000000009A0000-0x00000000009EC000-memory.dmp
    Filesize

    304KB

  • memory/3448-134-0x0000000004CF0000-0x0000000005294000-memory.dmp
    Filesize

    5.6MB

  • memory/3448-135-0x00000000049F0000-0x0000000004A82000-memory.dmp
    Filesize

    584KB

  • memory/3448-136-0x00000000052A0000-0x000000000533C000-memory.dmp
    Filesize

    624KB

  • memory/3448-137-0x00000000058C0000-0x0000000005926000-memory.dmp
    Filesize

    408KB

  • memory/3448-138-0x00000000007E0000-0x0000000000830000-memory.dmp
    Filesize

    320KB

  • memory/3448-139-0x0000000005EB0000-0x0000000005EBA000-memory.dmp
    Filesize

    40KB