Analysis

  • max time kernel
    129s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    26-11-2020 01:21

General

  • Target

    923753.jpg.dll

  • Size

    251KB

  • MD5

    7faf176073d4c46abf26acee201c1fe4

  • SHA1

    d8ffe58c5311304560aea2db21f9022777605b0a

  • SHA256

    0d101ab54e3e49a71dbf790d1c31ed787b51437d292c5544c17b111d22a2cec6

  • SHA512

    f5b302f56305ff7768956cc87837c4df3686dba2074333d320131a2fa95e3e854f61d4add21d43acf987755f0d644d9af64143298252b9f8d7e0b58c65f9b94a

Malware Config

Extracted

Family

qakbot

Botnet

abc100

Campaign

1606207839

C2

37.6.223.237:995

2.51.246.190:995

37.211.86.156:443

42.201.228.106:995

50.29.166.232:995

102.185.58.126:443

81.133.234.36:2222

2.50.89.158:995

79.166.83.103:2222

173.245.152.231:443

2.86.41.23:2222

93.151.180.170:61202

24.179.13.119:443

24.152.219.253:995

105.198.236.99:443

24.205.42.241:443

176.58.132.212:2222

151.73.126.156:443

94.52.68.72:443

47.146.169.85:443

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: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\923753.jpg.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\923753.jpg.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1876
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1560
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn xblrlcbciv /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\923753.jpg.dll\"" /SC ONCE /Z /ST 02:19 /ET 02:31
          4⤵
          • Creates scheduled task(s)
          PID:848
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {43250AD1-7F5D-4704-95FA-E4D3336CC468} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\923753.jpg.dll"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1816
      • C:\Windows\SysWOW64\regsvr32.exe
        -s "C:\Users\Admin\AppData\Local\Temp\923753.jpg.dll"
        3⤵
        • Loads dropped DLL
        PID:1088

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\923753.jpg.dll
    MD5

    30c7ff367552a99fc48fd591c4d9cfa2

    SHA1

    07e32b3bdad2224503963034cdba8a2b7f35c1e8

    SHA256

    6147026e3b78f20aae313c8a4398a9b417518ef6435f4bdf98dad6ab3ab254c4

    SHA512

    cc447078eaec44b4062824b2dabbf89ad56317223d411ac787e3e86af786cef9f119234087586559c794210fe1705cc797f614e31293dc7ab15d09e4461573d0

  • \Users\Admin\AppData\Local\Temp\923753.jpg.dll
    MD5

    30c7ff367552a99fc48fd591c4d9cfa2

    SHA1

    07e32b3bdad2224503963034cdba8a2b7f35c1e8

    SHA256

    6147026e3b78f20aae313c8a4398a9b417518ef6435f4bdf98dad6ab3ab254c4

    SHA512

    cc447078eaec44b4062824b2dabbf89ad56317223d411ac787e3e86af786cef9f119234087586559c794210fe1705cc797f614e31293dc7ab15d09e4461573d0

  • memory/848-4-0x0000000000000000-mapping.dmp
  • memory/1088-8-0x0000000000000000-mapping.dmp
  • memory/1560-1-0x00000000000E0000-0x00000000000E2000-memory.dmp
    Filesize

    8KB

  • memory/1560-3-0x0000000000000000-mapping.dmp
  • memory/1560-5-0x0000000000080000-0x00000000000A0000-memory.dmp
    Filesize

    128KB

  • memory/1816-6-0x0000000000000000-mapping.dmp
  • memory/1876-0-0x0000000000000000-mapping.dmp
  • memory/1876-2-0x00000000002E0000-0x0000000000300000-memory.dmp
    Filesize

    128KB