Analysis

  • max time kernel
    151s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 19:41

General

  • Target

    268ade8141af3a70a0113e5bfe5c31d5f7b3596c4c8b0ea984499e009ed55baa.exe

  • Size

    1.3MB

  • MD5

    24400d664815e282036f0dd4599492cc

  • SHA1

    93b7a0002d9586c41742121670ed348036a809a0

  • SHA256

    268ade8141af3a70a0113e5bfe5c31d5f7b3596c4c8b0ea984499e009ed55baa

  • SHA512

    15b75634847c61bd3a915e15b7358f2856493d3288f605e95006373c36ae7de334ba5273129d151e4252bf63e3280cb3eef8c578bcb87e6a0a082f71e20f8582

  • SSDEEP

    24576:UBMeoEuqGAJx7H0FBGSLHWTv0GmkGOMoJx/QjxH:/mcoSiTcFkGOVQjV

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\268ade8141af3a70a0113e5bfe5c31d5f7b3596c4c8b0ea984499e009ed55baa.exe
    "C:\Users\Admin\AppData\Local\Temp\268ade8141af3a70a0113e5bfe5c31d5f7b3596c4c8b0ea984499e009ed55baa.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\3582-490\268ade8141af3a70a0113e5bfe5c31d5f7b3596c4c8b0ea984499e009ed55baa.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\268ade8141af3a70a0113e5bfe5c31d5f7b3596c4c8b0ea984499e009ed55baa.exe"
      2⤵
      • Executes dropped EXE
      PID:1640

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\268ade8141af3a70a0113e5bfe5c31d5f7b3596c4c8b0ea984499e009ed55baa.exe
    Filesize

    1.3MB

    MD5

    01b03e29c8a39ae3943a538922411b25

    SHA1

    d23ce00b68a51b689e3ec349fe49929235fd351d

    SHA256

    d39f973cc23e1ce4d2fcef34338db3e286b8b98693be6b4c80a055b86f89045e

    SHA512

    ca5f8886df2520555efbaa016cf933f13994505d3a03d4a2053948f4a97f40d5f3f7d71d2e83d7e6944d2474b280f13d1c6a7865192d88ef5bf6a384933f9f85

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\268ade8141af3a70a0113e5bfe5c31d5f7b3596c4c8b0ea984499e009ed55baa.exe
    Filesize

    1.3MB

    MD5

    01b03e29c8a39ae3943a538922411b25

    SHA1

    d23ce00b68a51b689e3ec349fe49929235fd351d

    SHA256

    d39f973cc23e1ce4d2fcef34338db3e286b8b98693be6b4c80a055b86f89045e

    SHA512

    ca5f8886df2520555efbaa016cf933f13994505d3a03d4a2053948f4a97f40d5f3f7d71d2e83d7e6944d2474b280f13d1c6a7865192d88ef5bf6a384933f9f85

  • memory/1148-54-0x0000000075041000-0x0000000075043000-memory.dmp
    Filesize

    8KB

  • memory/1640-56-0x0000000000000000-mapping.dmp