Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-04-2021 18:40

General

  • Target

    Consignment Details.bin.exe

  • Size

    235KB

  • MD5

    b380133b30eb9bcfbbd628fd95b7b47b

  • SHA1

    61cd51cdad34e4a2063e14b41436cd271802169c

  • SHA256

    ed2daeb7be57c4a046af63e7ebd3d6044fd4e4aa8ac9c483ca8dcf679b694d7f

  • SHA512

    dd62b9502a21c04dbea577cfc5c40315d86a1e552ef44aac5593cac71339efd172cc9e823511953d33fec3a1ee37628148b964062a66c7c64a26792385ba03e8

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    gmicaprelam.in
  • Port:
    587
  • Username:
    shege@gmicaprelam.in
  • Password:
    shege2424@

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 3 IoCs
  • 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.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Consignment Details.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\Consignment Details.bin.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:788
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1016
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:564
    • C:\Users\Admin\AppData\Local\Temp\Consignment Details.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\Consignment Details.bin.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:556
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 788 -s 1332
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1552

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/556-66-0x0000000000400000-0x0000000000468000-memory.dmp
    Filesize

    416KB

  • memory/556-67-0x000000000046202E-mapping.dmp
  • memory/556-68-0x0000000000400000-0x0000000000468000-memory.dmp
    Filesize

    416KB

  • memory/556-71-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
    Filesize

    4KB

  • memory/564-65-0x0000000000000000-mapping.dmp
  • memory/788-59-0x0000000000DF0000-0x0000000000DF1000-memory.dmp
    Filesize

    4KB

  • memory/788-61-0x0000000075551000-0x0000000075553000-memory.dmp
    Filesize

    8KB

  • memory/788-62-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
    Filesize

    4KB

  • memory/788-63-0x00000000005A0000-0x000000000061E000-memory.dmp
    Filesize

    504KB

  • memory/1016-64-0x0000000000000000-mapping.dmp
  • memory/1552-70-0x0000000000000000-mapping.dmp
  • memory/1552-72-0x0000000000980000-0x00000000009C0000-memory.dmp
    Filesize

    256KB