Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    22-07-2021 15:24

General

  • Target

    0722_0237470224.xls

  • Size

    343KB

  • MD5

    c73029788f2847c8af6a9ba51d88d96f

  • SHA1

    87102bbd148bdb4cbe870684e52bcf7263c64301

  • SHA256

    76a26e4b4cd690fbf34db54af03d136428b81a9b6f0fb092fcb8c2afff092eb6

  • SHA512

    8bf2d113dbada7bd86f894d26f9a581b15c8ea259e0dad30a0908270952c9a9acdf55f0d9b8f200cdcb2909724c0954316eed5664c19ecf104ee5b4dc25e205c

Malware Config

Extracted

Family

hancitor

Botnet

2207_xwpi67

C2

http://tholeferli.com/8/forum.php

http://aidgodown.ru/8/forum.php

http://relifleappin.ru/8/forum.php

Extracted

Family

fickerstealer

C2

pospvisis.com:80

Signatures

  • Fickerstealer

    Ficker is an infostealer written in Rust and ASM.

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 4 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 4 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\0722_0237470224.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\omsh.dll,SHIIJGLGNAB
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\System32\svchost.exe
        3⤵
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:684

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\omsh.dll
    MD5

    7348620f737ec1b0997cae7548344f2c

    SHA1

    5550f62fdc0963c331b460f8a967c45d481e505a

    SHA256

    8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd

    SHA512

    568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6

  • \Users\Admin\AppData\Local\Temp\omsh.dll
    MD5

    7348620f737ec1b0997cae7548344f2c

    SHA1

    5550f62fdc0963c331b460f8a967c45d481e505a

    SHA256

    8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd

    SHA512

    568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6

  • \Users\Admin\AppData\Local\Temp\omsh.dll
    MD5

    7348620f737ec1b0997cae7548344f2c

    SHA1

    5550f62fdc0963c331b460f8a967c45d481e505a

    SHA256

    8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd

    SHA512

    568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6

  • \Users\Admin\AppData\Local\Temp\omsh.dll
    MD5

    7348620f737ec1b0997cae7548344f2c

    SHA1

    5550f62fdc0963c331b460f8a967c45d481e505a

    SHA256

    8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd

    SHA512

    568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6

  • \Users\Admin\AppData\Local\Temp\omsh.dll
    MD5

    7348620f737ec1b0997cae7548344f2c

    SHA1

    5550f62fdc0963c331b460f8a967c45d481e505a

    SHA256

    8efac1531e83525bb0806eebca0bb9a797a18feb1848a4ceee4a88fdb85cbbbd

    SHA512

    568babf18ba8ad33c9756e43610172361132f076bb4601e0e046317a30a298da453219f43a2b5ffafc5c535e4ca62ffff622ae7bf084efba786946b880f9ddb6

  • memory/684-73-0x0000000000400000-0x0000000000448000-memory.dmp
    Filesize

    288KB

  • memory/684-76-0x0000000000400000-0x0000000000448000-memory.dmp
    Filesize

    288KB

  • memory/684-74-0x0000000000401480-mapping.dmp
  • memory/1052-61-0x00000000711A1000-0x00000000711A3000-memory.dmp
    Filesize

    8KB

  • memory/1052-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1052-77-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1052-60-0x000000002FEE1000-0x000000002FEE4000-memory.dmp
    Filesize

    12KB

  • memory/1792-70-0x0000000000250000-0x0000000000316000-memory.dmp
    Filesize

    792KB

  • memory/1792-72-0x0000000000130000-0x0000000000131000-memory.dmp
    Filesize

    4KB

  • memory/1792-71-0x0000000000250000-0x000000000025A000-memory.dmp
    Filesize

    40KB

  • memory/1792-64-0x0000000075721000-0x0000000075723000-memory.dmp
    Filesize

    8KB

  • memory/1792-63-0x0000000000000000-mapping.dmp