Analysis

  • max time kernel
    131s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    25-06-2021 15:16

General

  • Target

    44372.6062063657.dat =^_^=.dll

  • Size

    280KB

  • MD5

    f2f9c0ec15e08c556bbf199c75fb9499

  • SHA1

    98edd6e7eab54fff42dccc7b09794c8858a87316

  • SHA256

    9a158e6e3dd0bf221d752246e4b901eb1d69d7e0e1c2b259d0db04f798b26f4c

  • SHA512

    52749a0ba195faf68186aebec3685a8d3bbcd5b874b45417b77085b6bd2fb85d73b5f793fbba7b86303d8d4ad612c3733c88c37780e0fbfb1234438dd29eab7a

Malware Config

Extracted

Family

qakbot

Version

402.115

Botnet

obama64

Campaign

1624560446

C2

140.82.49.12:443

81.214.126.173:2222

75.67.192.125:443

216.201.162.158:443

76.25.142.196:443

68.186.192.69:443

95.77.223.148:443

97.69.160.4:2222

71.41.184.10:3389

184.185.103.157:443

189.210.115.207:443

24.179.77.236:443

73.151.236.31:443

188.26.180.140:443

213.122.113.120:443

75.137.47.174:443

197.45.110.165:995

72.240.200.181:2222

75.188.35.168:443

173.21.10.71:2222

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\44372.6062063657.dat =^_^=.dll",#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3972
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\44372.6062063657.dat =^_^=.dll",#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1688
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2720
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn pinemrimrf /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\44372.6062063657.dat =^_^=.dll\"" /SC ONCE /Z /ST 15:22 /ET 15:34
          4⤵
          • Creates scheduled task(s)
          PID:3576
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\44372.6062063657.dat =^_^=.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4004
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\44372.6062063657.dat =^_^=.dll"
      2⤵
      • Loads dropped DLL
      PID:2072
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1772

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\44372.6062063657.dat =^_^=.dll
    MD5

    202047babe6d68b81be682af36618cc6

    SHA1

    94b2ade4ce5038f623212bc0d8d9c41cb59064aa

    SHA256

    812f67342092a3c6179753af55cb2248e347d13c9178c6ffd10671b2b88327cc

    SHA512

    0ada56239da2c8618d96c53c457fe7ee93596f248085a238ad4f5b7815e15510ca928de59305528b824dae1c08c4c00906dc9aef1890f401cac47b756b379223

  • \Users\Admin\AppData\Local\Temp\44372.6062063657.dat =^_^=.dll
    MD5

    202047babe6d68b81be682af36618cc6

    SHA1

    94b2ade4ce5038f623212bc0d8d9c41cb59064aa

    SHA256

    812f67342092a3c6179753af55cb2248e347d13c9178c6ffd10671b2b88327cc

    SHA512

    0ada56239da2c8618d96c53c457fe7ee93596f248085a238ad4f5b7815e15510ca928de59305528b824dae1c08c4c00906dc9aef1890f401cac47b756b379223

  • memory/1688-114-0x0000000000000000-mapping.dmp
  • memory/1688-116-0x0000000010000000-0x0000000010049000-memory.dmp
    Filesize

    292KB

  • memory/1688-115-0x00000000048E0000-0x0000000004929000-memory.dmp
    Filesize

    292KB

  • memory/2072-123-0x0000000000000000-mapping.dmp
  • memory/2720-117-0x0000000000000000-mapping.dmp
  • memory/2720-121-0x0000000002EF0000-0x0000000002F1F000-memory.dmp
    Filesize

    188KB

  • memory/3576-118-0x0000000000000000-mapping.dmp