Overview

overview

10

Static

static

a4f58cd887...98.exe

windows7-x64

10

a4f58cd887...98.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-08-2022 19:17

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General

  • Target

    a4f58cd887953173b384ab2e7d557198.exe

  • Size

    356KB

  • MD5

    a4f58cd887953173b384ab2e7d557198

  • SHA1

    a863832f59f5537b26af7e22ce8b1be412308bb2

  • SHA256

    1d9bd5fdb3ab06f20d2f247ca4c0c866eda29b5f715c3d080ef8747b9f8c9032

  • SHA512

    72741741c11b1faa333081d2a9c6d3fb623d20858fb9d951dabcd6e348439c95af0403d73c67def7a4d1af4d9de46c52089fff453c6ca6b8d9e28f3ee3ca8cc8

  • SSDEEP

    6144:EyH7xOc6H5c6HcT66vlml/SI01Jq3ggxDDwCkTTgPxyenrYYf5kSbiUXqBurgIXU:EagCkD790YRkSxXqErFI5

Score
10/10
salitybackdoorevasiontrojanupx

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
    evasion
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

    backdoorsality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • Executes dropped EXE 3 IoCs
  • UPX packed file 2 IoCs

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

    upx
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops file in Program Files directory 51 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4f58cd887953173b384ab2e7d557198.exe
    "C:\Users\Admin\AppData\Local\Temp\a4f58cd887953173b384ab2e7d557198.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3824
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\a4f58cd887953173b384ab2e7d557198.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4224
      • C:\Users\Admin\AppData\Local\Temp\a4f58cd887953173b384ab2e7d557198.exe
        "C:\Users\Admin\AppData\Local\Temp\a4f58cd887953173b384ab2e7d557198.exe"
        3⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Executes dropped EXE
        • Windows security modification
        • Checks whether UAC is enabled
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • System policy modification
        PID:4288
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    PID:5108

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

5
T1112

Bypass User Account Control

1
T1088

Disabling Security Tools

3
T1089

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\a4f58cd887953173b384ab2e7d557198.exe
    Filesize

    320KB

    MD5

    376558be20d6117e16f6668c91de99e6

    SHA1

    2e4ff6a438f77bd68c23028dfbbeabc45681a331

    SHA256

    5d268887d43c731a2c5e7d16e6a14d8444c5be51025b9fde95b02962b5e35dea

    SHA512

    fea3d3dede9b543bfba6c9855f0638a7f45c5be6b58b965e8035e05b858af8fc36d3f7f78b1fe9a21dd5619a6f8b6e8d42bff5279cd61dc15f4fa880b4aa37c2

    Download Submit
  • C:\Windows\svchost.exe
    Filesize

    35KB

    MD5

    83b4da0c5e91e676c355a34ad0fe73da

    SHA1

    09322303503ed0a70613110ca72e1bc790348882

    SHA256

    5ad575dccfe237328de529ea01d57917c5d639ed0d8454a01af98aaea9724110

    SHA512

    20183c78adbabf88ac8999521cc3e1884215f78c264f06cb017dd8749b995adc96559c5a9a39ecda3d2c34390cc5caf7dbf6b90b975d55e2ed129e1993eb5b08

    Download Submit
  • C:\Windows\svchost.exe
    Filesize

    35KB

    MD5

    83b4da0c5e91e676c355a34ad0fe73da

    SHA1

    09322303503ed0a70613110ca72e1bc790348882

    SHA256

    5ad575dccfe237328de529ea01d57917c5d639ed0d8454a01af98aaea9724110

    SHA512

    20183c78adbabf88ac8999521cc3e1884215f78c264f06cb017dd8749b995adc96559c5a9a39ecda3d2c34390cc5caf7dbf6b90b975d55e2ed129e1993eb5b08

    Download Submit
  • C:\Windows\svchost.exe
    Filesize

    35KB

    MD5

    83b4da0c5e91e676c355a34ad0fe73da

    SHA1

    09322303503ed0a70613110ca72e1bc790348882

    SHA256

    5ad575dccfe237328de529ea01d57917c5d639ed0d8454a01af98aaea9724110

    SHA512

    20183c78adbabf88ac8999521cc3e1884215f78c264f06cb017dd8749b995adc96559c5a9a39ecda3d2c34390cc5caf7dbf6b90b975d55e2ed129e1993eb5b08

    Download Submit
  • memory/4224-132-0x0000000000000000-mapping.dmp
    Download
  • memory/4288-135-0x0000000000000000-mapping.dmp
    Download
  • memory/4288-138-0x0000000002240000-0x00000000032FA000-memory.dmp
    Filesize

    16.7MB

    Download
  • memory/4288-139-0x0000000000400000-0x0000000000451000-memory.dmp
    Filesize

    324KB

    Download
  • memory/4288-140-0x0000000002240000-0x00000000032FA000-memory.dmp
    Filesize

    16.7MB

    Download