Overview

overview

10

Static

static

10

25af686d1c...18.exe

windows7-x64

10

25af686d1c...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 17:51

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General

  • Target

    25af686d1c6c4276a6203e2f53f3136d_JaffaCakes118.exe

  • Size

    787KB

  • MD5

    25af686d1c6c4276a6203e2f53f3136d

  • SHA1

    27313f634ce90f533fad3948cdaf26c5729f3501

  • SHA256

    6c403b1aa0032a28942821814781031abe8c8cf4ad250e6755e2eb8854b5d1c8

  • SHA512

    4edb2440aa6942d62b46b0f919539ce3a9fac352a8bc50ee32a93a3d39f51ce362051a0f156ee2af5a15f4dea83c93bde647b553ecc30e7559dfcaa2d26041bc

  • SSDEEP

    12288:sJi8JDI8bX0aeilDpl5UVJ1ROsUSpwprK+NaLztO+rV/HMKC:AiWDrbn9png1Rp+R+rtHMKC

Score
10/10
neshtapersistencespywarestealerupx

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    persistencespywareneshta
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
    persistence
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25af686d1c6c4276a6203e2f53f3136d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\25af686d1c6c4276a6203e2f53f3136d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2948
    • C:\Users\Admin\AppData\Local\Temp\3582-490\25af686d1c6c4276a6203e2f53f3136d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\25af686d1c6c4276a6203e2f53f3136d_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:892

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\3582-490\25af686d1c6c4276a6203e2f53f3136d_JaffaCakes118.exe
    Filesize

    746KB

    MD5

    b0bc3e0f7161842404bab77eea9e965b

    SHA1

    05abe3f46ef5f426bb5e8312f162c648eff6bb04

    SHA256

    9d808bc34afcd58c22c47e935a3f142071a835fb42bd8d875cbb9dc200f52f60

    SHA512

    e12f3ed211da0ca67b059c9a065a2127d2d612cd1493921e0e224da9dff60688713ba1b1c633015b54322802450870ee767a108bf6a5b9a075ae06bdc1ad9651

    Download Submit
  • memory/892-11-0x0000000000400000-0x000000000068B000-memory.dmp
    Filesize

    2.5MB

    Download
  • memory/892-13-0x0000000001790000-0x0000000001791000-memory.dmp
    Filesize

    4KB

    Download
  • memory/892-102-0x0000000000400000-0x000000000068B000-memory.dmp
    Filesize

    2.5MB

    Download
  • memory/892-105-0x0000000001790000-0x0000000001791000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2948-101-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

    Download
  • memory/2948-103-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

    Download
  • memory/2948-107-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

    Download