Analysis

  • max time kernel
    146s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-07-2022 07:39

General

  • Target

    4e81d80740929411a403c1951eba8fdbb8f05876bbb450190044ed0f30bd171d.dll

  • Size

    2.2MB

  • MD5

    9a3935df8163d5ba5880aa7814b40b8a

  • SHA1

    d961b8fc87b4c3320b3ab9e084b64c865d292887

  • SHA256

    4e81d80740929411a403c1951eba8fdbb8f05876bbb450190044ed0f30bd171d

  • SHA512

    ce9b0aeb4d9f5ad8db7a81cc0b281b63b17d070b638e9cc79c56f532723ddc60bbda3f4e5396747dd5f24c6fd2e6d18a5ead081a599979c2e65fff3acf5c19d4

Malware Config

Extracted

Family

qakbot

Version

401.138

Botnet

abc114

Campaign

1608129413

C2

86.127.22.190:443

35.139.242.207:443

108.190.194.146:2222

187.213.199.54:443

68.83.89.188:443

41.233.152.232:993

196.151.252.84:443

181.208.249.141:443

172.87.134.226:443

96.27.47.70:2222

83.110.109.78:2222

93.86.1.159:995

217.162.149.212:443

80.11.210.247:443

72.252.201.69:443

185.163.221.77:2222

189.62.175.92:22

95.76.27.6:443

45.77.115.208:443

187.213.82.104:995

Attributes
  • salt

    jHxastDcds)oMc=jvh7wdUhxcsdt2

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e81d80740929411a403c1951eba8fdbb8f05876bbb450190044ed0f30bd171d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4e81d80740929411a403c1951eba8fdbb8f05876bbb450190044ed0f30bd171d.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1260
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:988
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ywwgcphsvw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\4e81d80740929411a403c1951eba8fdbb8f05876bbb450190044ed0f30bd171d.dll\"" /SC ONCE /Z /ST 15:58 /ET 16:10
          4⤵
          • Creates scheduled task(s)
          PID:1820
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {238E771A-D739-47C8-8147-973BD62A1CFA} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\4e81d80740929411a403c1951eba8fdbb8f05876bbb450190044ed0f30bd171d.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1916
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\4e81d80740929411a403c1951eba8fdbb8f05876bbb450190044ed0f30bd171d.dll"
        3⤵
        • Loads dropped DLL
        PID:1908

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\4e81d80740929411a403c1951eba8fdbb8f05876bbb450190044ed0f30bd171d.dll
    Filesize

    2.2MB

    MD5

    d2aa55c8edc8f3ad188ca2b6569e0d05

    SHA1

    c2cc0d86cc09c7f9bb91c3365a27a2ae408b8e10

    SHA256

    d3aa35eca7167c83e6879d51ee960b11e6e95d4923ff03793832274c96ed11cf

    SHA512

    f90a70e9b3554e893938a0eda945084777ba8619167cf75deb2150388712477900845c2bb58688ee401b524dca42546da02c0df92d67a8303817ed1206998cc0

  • \Users\Admin\AppData\Local\Temp\4e81d80740929411a403c1951eba8fdbb8f05876bbb450190044ed0f30bd171d.dll
    Filesize

    2.2MB

    MD5

    d2aa55c8edc8f3ad188ca2b6569e0d05

    SHA1

    c2cc0d86cc09c7f9bb91c3365a27a2ae408b8e10

    SHA256

    d3aa35eca7167c83e6879d51ee960b11e6e95d4923ff03793832274c96ed11cf

    SHA512

    f90a70e9b3554e893938a0eda945084777ba8619167cf75deb2150388712477900845c2bb58688ee401b524dca42546da02c0df92d67a8303817ed1206998cc0

  • memory/988-62-0x0000000000080000-0x00000000000B5000-memory.dmp
    Filesize

    212KB

  • memory/988-64-0x0000000000080000-0x00000000000B5000-memory.dmp
    Filesize

    212KB

  • memory/988-58-0x0000000000000000-mapping.dmp
  • memory/988-60-0x0000000074A01000-0x0000000074A03000-memory.dmp
    Filesize

    8KB

  • memory/1260-57-0x0000000010000000-0x0000000010245000-memory.dmp
    Filesize

    2.3MB

  • memory/1260-61-0x0000000010000000-0x0000000010035000-memory.dmp
    Filesize

    212KB

  • memory/1260-54-0x0000000000000000-mapping.dmp
  • memory/1260-56-0x0000000001E10000-0x0000000001FFA000-memory.dmp
    Filesize

    1.9MB

  • memory/1260-55-0x0000000076241000-0x0000000076243000-memory.dmp
    Filesize

    8KB

  • memory/1820-63-0x0000000000000000-mapping.dmp
  • memory/1908-68-0x0000000000000000-mapping.dmp
  • memory/1916-65-0x0000000000000000-mapping.dmp
  • memory/1916-66-0x000007FEFBCF1000-0x000007FEFBCF3000-memory.dmp
    Filesize

    8KB