Analysis

  • max time kernel
    150s
  • max time network
    66s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    20-09-2021 16:49

General

  • Target

    44459.6948533565.dat.dll

  • Size

    823KB

  • MD5

    5f8b22e659bfc7db9a7043a828da7675

  • SHA1

    91a30a2b1b936ab508b37a713ae35358b3c24150

  • SHA256

    153862cb79a2312f54a2307460872006138a649cdac6525df1d04c093c8b1454

  • SHA512

    edcfbee0f7dbac6050a01703cd96d4bf130568c90a71290eccfb9aae6671274db95f60e1be8df7c51e1e58bc7ee22cc67ac63ffd56f0db8fd7a84d92f83cd3d9

Malware Config

Extracted

Family

qakbot

Version

402.318

Botnet

obama100

Campaign

1632151873

C2

45.46.53.140:2222

144.139.47.206:443

189.210.115.207:443

120.150.218.241:995

47.22.148.6:443

140.82.49.12:443

24.139.72.117:443

24.229.150.54:995

24.55.112.61:443

136.232.34.70:443

95.77.223.148:443

173.21.10.71:2222

76.25.142.196:443

96.37.113.36:993

71.74.12.34:443

73.151.236.31:443

67.165.206.193:993

109.12.111.14:443

68.204.7.158:443

105.198.236.99:443

Signatures

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Loads dropped DLL 1 IoCs
  • Program crash 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 16 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\44459.6948533565.dat.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\44459.6948533565.dat.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:400
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2572
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn lwxwycsksw /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\44459.6948533565.dat.dll\"" /SC ONCE /Z /ST 18:51 /ET 19:03
          4⤵
          • Creates scheduled task(s)
          PID:3728
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\44459.6948533565.dat.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\44459.6948533565.dat.dll"
      2⤵
      • Loads dropped DLL
      PID:4056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3376

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

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\44459.6948533565.dat.dll
    MD5

    951ebbb19b977c90af1472ee9552c1d1

    SHA1

    1dffc99b2a75c8c4f25dd9d7e06a07dca634744e

    SHA256

    d2f40fcea7cb6c21deef930207acbd854979cedfc86ac2eeeff0989ec048f224

    SHA512

    2fe6da87962031e07dda26dd1a9506ff85989f92dfe1d42eb1ecad620d332b46338e207592261b84c0eb8f1466de122db49e3c7169c86018905581fb798e6a69

  • \Users\Admin\AppData\Local\Temp\44459.6948533565.dat.dll
    MD5

    951ebbb19b977c90af1472ee9552c1d1

    SHA1

    1dffc99b2a75c8c4f25dd9d7e06a07dca634744e

    SHA256

    d2f40fcea7cb6c21deef930207acbd854979cedfc86ac2eeeff0989ec048f224

    SHA512

    2fe6da87962031e07dda26dd1a9506ff85989f92dfe1d42eb1ecad620d332b46338e207592261b84c0eb8f1466de122db49e3c7169c86018905581fb798e6a69

  • memory/400-114-0x0000000000000000-mapping.dmp
  • memory/400-116-0x00000000740A0000-0x000000007418A000-memory.dmp
    Filesize

    936KB

  • memory/400-115-0x00000000740A0000-0x00000000740C1000-memory.dmp
    Filesize

    132KB

  • memory/400-117-0x0000000000770000-0x0000000000771000-memory.dmp
    Filesize

    4KB

  • memory/2572-118-0x0000000000000000-mapping.dmp
  • memory/2572-119-0x0000000002E10000-0x0000000002E31000-memory.dmp
    Filesize

    132KB

  • memory/3728-120-0x0000000000000000-mapping.dmp
  • memory/4056-124-0x0000000000000000-mapping.dmp