Analysis

  • max time kernel
    144s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    19-04-2021 17:58

General

  • Target

    f17d8c94783597296264ab489cfc64b8.exe

  • Size

    625KB

  • MD5

    f17d8c94783597296264ab489cfc64b8

  • SHA1

    b967e59eabac83697e27576e54420623d5ebedfb

  • SHA256

    3b3f6d41ee6c1f630f6aa74edbe5d524fe2333a91e5234509c647432f663819f

  • SHA512

    b2ae3996f8a80b4e2689616b4b4443bfd9aff6633515713e451931650054b588e129389278f0e8eeb8820d5980f5f165f4cdc921a8d196a3a16f212628a3de38

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.scrablex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Chisom123.

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f17d8c94783597296264ab489cfc64b8.exe
    "C:\Users\Admin\AppData\Local\Temp\f17d8c94783597296264ab489cfc64b8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Users\Admin\AppData\Local\Temp\f17d8c94783597296264ab489cfc64b8.exe
      "C:\Users\Admin\AppData\Local\Temp\f17d8c94783597296264ab489cfc64b8.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2344

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f17d8c94783597296264ab489cfc64b8.exe.log
    MD5

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

  • memory/2344-125-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2344-134-0x00000000065E0000-0x00000000065E1000-memory.dmp
    Filesize

    4KB

  • memory/2344-133-0x00000000059C0000-0x00000000059C1000-memory.dmp
    Filesize

    4KB

  • memory/2344-132-0x0000000003340000-0x0000000003341000-memory.dmp
    Filesize

    4KB

  • memory/2344-126-0x00000000004375DE-mapping.dmp
  • memory/4024-119-0x00000000050A0000-0x00000000050A1000-memory.dmp
    Filesize

    4KB

  • memory/4024-122-0x00000000051E0000-0x00000000056DE000-memory.dmp
    Filesize

    5.0MB

  • memory/4024-123-0x0000000001150000-0x00000000011C9000-memory.dmp
    Filesize

    484KB

  • memory/4024-124-0x000000000AD70000-0x000000000ADB9000-memory.dmp
    Filesize

    292KB

  • memory/4024-121-0x00000000053D0000-0x00000000053D9000-memory.dmp
    Filesize

    36KB

  • memory/4024-120-0x0000000005400000-0x0000000005401000-memory.dmp
    Filesize

    4KB

  • memory/4024-114-0x00000000007F0000-0x00000000007F1000-memory.dmp
    Filesize

    4KB

  • memory/4024-118-0x00000000051E0000-0x00000000051E1000-memory.dmp
    Filesize

    4KB

  • memory/4024-117-0x00000000056E0000-0x00000000056E1000-memory.dmp
    Filesize

    4KB

  • memory/4024-116-0x0000000005140000-0x0000000005141000-memory.dmp
    Filesize

    4KB