Analysis

  • max time kernel
    141s
  • max time network
    147s
  • 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 19:19

General

  • Target

    a2e67aff208c97035824490f1a05b08a.exe

  • Size

    360KB

  • MD5

    a2e67aff208c97035824490f1a05b08a

  • SHA1

    924769749166b70206ac25806efa533c6c205971

  • SHA256

    77f8db6c624ac83b44dc8fc517eb608b6371271bd6e83d5180e9e4554410c4a3

  • SHA512

    3c16c6c03e17a5427ee1bc1acce265457eb32f68c02a9027960cdbceb06000e3944e6a65c89add801ff751ca595aac35a5924a44dace91f98c8042f0a500f17a

  • SSDEEP

    6144:EyH7xOc6H5c6HcT66vlml/SI01Jq3ggxDDwCkTTgPzFLcfGi4f5kSdm6XrdZBurC:EagCkDDO4RkSddrPErNI5

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
  • Sality

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

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

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 53 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2e67aff208c97035824490f1a05b08a.exe
    "C:\Users\Admin\AppData\Local\Temp\a2e67aff208c97035824490f1a05b08a.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:5020
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\a2e67aff208c97035824490f1a05b08a.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4944
      • C:\Users\Admin\AppData\Local\Temp\a2e67aff208c97035824490f1a05b08a.exe
        "C:\Users\Admin\AppData\Local\Temp\a2e67aff208c97035824490f1a05b08a.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
        • System policy modification
        PID:4812
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    PID:4752

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\a2e67aff208c97035824490f1a05b08a.exe
    Filesize

    324KB

    MD5

    1f280313748eafb7d1de4e0de00c7656

    SHA1

    5cda902f2fac9f061b3365c86731b9829c784583

    SHA256

    556a685cf0bef12ca545585058691d334d7576991d46cdf6195dade2510e2729

    SHA512

    31f3157e0a7896d1459bdf59bb47f65f75756a7070eac6214c71194a92013daf7c1f273f2d924c91d91efc61bd0298c1a851464a9d2d97ea27199bdd20f4c773

  • C:\Windows\svchost.exe
    Filesize

    35KB

    MD5

    83b4da0c5e91e676c355a34ad0fe73da

    SHA1

    09322303503ed0a70613110ca72e1bc790348882

    SHA256

    5ad575dccfe237328de529ea01d57917c5d639ed0d8454a01af98aaea9724110

    SHA512

    20183c78adbabf88ac8999521cc3e1884215f78c264f06cb017dd8749b995adc96559c5a9a39ecda3d2c34390cc5caf7dbf6b90b975d55e2ed129e1993eb5b08

  • C:\Windows\svchost.exe
    Filesize

    35KB

    MD5

    83b4da0c5e91e676c355a34ad0fe73da

    SHA1

    09322303503ed0a70613110ca72e1bc790348882

    SHA256

    5ad575dccfe237328de529ea01d57917c5d639ed0d8454a01af98aaea9724110

    SHA512

    20183c78adbabf88ac8999521cc3e1884215f78c264f06cb017dd8749b995adc96559c5a9a39ecda3d2c34390cc5caf7dbf6b90b975d55e2ed129e1993eb5b08

  • C:\Windows\svchost.exe
    Filesize

    35KB

    MD5

    83b4da0c5e91e676c355a34ad0fe73da

    SHA1

    09322303503ed0a70613110ca72e1bc790348882

    SHA256

    5ad575dccfe237328de529ea01d57917c5d639ed0d8454a01af98aaea9724110

    SHA512

    20183c78adbabf88ac8999521cc3e1884215f78c264f06cb017dd8749b995adc96559c5a9a39ecda3d2c34390cc5caf7dbf6b90b975d55e2ed129e1993eb5b08

  • memory/4812-135-0x0000000000000000-mapping.dmp
  • memory/4812-138-0x0000000000400000-0x0000000000452000-memory.dmp
    Filesize

    328KB

  • memory/4812-139-0x0000000002370000-0x000000000342A000-memory.dmp
    Filesize

    16.7MB

  • memory/4812-140-0x0000000002370000-0x000000000342A000-memory.dmp
    Filesize

    16.7MB

  • memory/4812-141-0x0000000000400000-0x0000000000452000-memory.dmp
    Filesize

    328KB

  • memory/4812-142-0x0000000002370000-0x000000000342A000-memory.dmp
    Filesize

    16.7MB

  • memory/4944-132-0x0000000000000000-mapping.dmp