Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    05-02-2021 09:16

General

  • Target

    CompensationClaim-2000459547-02022021.xls

  • Size

    67KB

  • MD5

    cb555300cee97b3250f5ca1650197f7b

  • SHA1

    702beedaaef076fa9f8fd6510493925f090fe4a1

  • SHA256

    aed3b7b54243021aa6b20fda0ea7bb46a2065a1371202b3bab86482fa3f5bd46

  • SHA512

    a57dfeb94bf437df67bf7b13137aebe08b0ba1c04f3bf94cf98105c34683e96e6986495c157f83ff9cc93332680b1f280d9aa72c6f5d1196f5c7606dd4755ddf

Malware Config

Extracted

Family

qakbot

Botnet

abc123

Campaign

1612349986

C2

222.154.253.111:995

50.244.112.106:443

83.110.108.181:2222

105.198.236.99:443

74.77.162.33:443

106.250.150.98:443

196.151.252.84:443

45.118.216.157:443

140.82.49.12:443

80.11.173.82:8443

71.88.193.17:443

68.186.192.69:443

46.153.119.255:995

81.214.126.173:2222

108.31.15.10:995

197.45.110.165:995

81.88.254.62:443

86.97.8.249:443

202.187.58.21:443

41.39.134.183:443

Signatures

  • Process spawned unexpected child process 10 IoCs

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

  • Qakbot/Qbot

    Qbot or Qakbot is a sophisticated worm with banking capabilities.

  • Suspicious Office macro 1 IoCs

    Office document equipped with 4.0 macros.

  • Loads dropped DLL 6 IoCs
  • Checks SCSI registry key(s) 3 TTPs 24 IoCs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Modifies registry class 67 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of SetWindowsHookEx 41 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\CompensationClaim-2000459547-02022021.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:496
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\HYGFR.HYGF,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1420
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\HYGFR.HYGF1,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32 ..\HYGFR.HYGF1,DllRegisterServer
        3⤵
        • Loads dropped DLL
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2352
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2660
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn jdjezzpg /tr "regsvr32.exe -s \"\"" /SC ONCE /Z /ST 10:15 /ET 10:27
            5⤵
            • Creates scheduled task(s)
            PID:1832
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\HYGFR.HYGF2,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1776
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\HYGFR.HYGF3,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:4044
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\HYGFR.HYGF4,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:3680
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32 ..\HYGFR.HYGF4,DllRegisterServer
        3⤵
        • Loads dropped DLL
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2264
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe
          4⤵
            PID:2140
    • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Desktop\CompensationClaim-2000459547-02022021.xls"
      1⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3980
      • C:\Windows\SYSTEM32\rundll32.exe
        rundll32 ..\HYGFR.HYGF,DllRegisterServer
        2⤵
        • Process spawned unexpected child process
        PID:3140
      • C:\Windows\SYSTEM32\rundll32.exe
        rundll32 ..\HYGFR.HYGF1,DllRegisterServer
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:4092
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 ..\HYGFR.HYGF1,DllRegisterServer
          3⤵
          • Loads dropped DLL
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:3856
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            4⤵
              PID:2300
        • C:\Windows\SYSTEM32\rundll32.exe
          rundll32 ..\HYGFR.HYGF2,DllRegisterServer
          2⤵
          • Process spawned unexpected child process
          PID:1772
        • C:\Windows\SYSTEM32\rundll32.exe
          rundll32 ..\HYGFR.HYGF3,DllRegisterServer
          2⤵
          • Process spawned unexpected child process
          PID:2996
        • C:\Windows\SYSTEM32\rundll32.exe
          rundll32 ..\HYGFR.HYGF4,DllRegisterServer
          2⤵
          • Process spawned unexpected child process
          • Suspicious use of WriteProcessMemory
          PID:3632
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32 ..\HYGFR.HYGF4,DllRegisterServer
            3⤵
            • Loads dropped DLL
            • Checks SCSI registry key(s)
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1748
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              4⤵
                PID:1880
        • \??\c:\windows\system32\regsvr32.exe
          regsvr32.exe -s ""
          1⤵
            PID:2872

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Execution

          Scheduled Task

          1
          T1053

          Persistence

          Scheduled Task

          1
          T1053

          Privilege Escalation

          Scheduled Task

          1
          T1053

          Discovery

          Query Registry

          3
          T1012

          Peripheral Device Discovery

          1
          T1120

          System Information Discovery

          3
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_C5130A0BDC8C859A2757D77746C10868
            MD5

            cfca4ffae84f254cc62c1fef19f1f794

            SHA1

            ae595934fb34ebd5e3e0865d9c589656d44c124c

            SHA256

            767ea3e7dc7dc1eccda73b1f470b368e73304958676c6029811d83d32ac896f1

            SHA512

            0aa944842b97472a1d91c5af06ba83c89620a87889c5e4b8a53c1901ecbf573b3b58c52a530f2171d2cb69b1a49b36ef7769f22456e60be00d7b25a2844403e4

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_C5130A0BDC8C859A2757D77746C10868
            MD5

            c37c95dc9a87da18c53c08029a41abeb

            SHA1

            90c549ae8eaf332b672db2c10f831fce4692b831

            SHA256

            5c9c979d2bbada34b875bcb41e506056a65bde2d16dceaa4ce2b39d894ef0c83

            SHA512

            fa01cee73f8f9bdcd3f7ab3ec6274272962555816d2185566ef7f0ad978d1d96a57b9fc19c204243ddca456d706b292c3184694c2ec684e90c4321e4df31c39c

          • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
            MD5

            2481ec3d3680811abaf4fd4fbe0520d7

            SHA1

            c1a50e27c349a3690309e19f9723665ec2362d5c

            SHA256

            03d79e2043cf7894df751fd645f38532793fa2758962c0912ad498bd6c4b719b

            SHA512

            cbfe8e63f8768a0659f50418809f1e9f9cc6112e2ed75a8a922f1fcab790060be2b8d56bd06cb05f228a191f5ced7f727b8a036ca53fa7859907ac24f6ac54be

          • C:\Users\Admin\AppData\Local\Microsoft\Office\DLP\TenantInfo.xml
            MD5

            0f8eb2423d2bf6cb5b8bdb44cb170ca3

            SHA1

            242755226012b4449a49b45491c0b1538ebf6410

            SHA256

            385347c0cbacdd3c61d2635fbd390e0095a008fd75eeb23af2f14f975c083944

            SHA512

            a9f23a42340b83a2f59df930d7563e8abd669b9f0955562cd3c2872e2e081f26d6d8b26357972b6d0423af05b2392bddbb46da769788e77fd169b3264ff53886

          • C:\Users\Admin\AppData\Local\Microsoft\Office\OTele\excel.exe.db
            MD5

            a6064fc9ce640751e063d9af443990da

            SHA1

            367a3a7d57bfb3e9a6ec356dfc411a5f14dfde2a

            SHA256

            5f72c11fd2fa88d8b8bfae1214551f8d5ee07b8895df824fa717ebbcec118a6c

            SHA512

            0e42dd8e341e2334eda1e19e1a344475ed3a0539a21c70ba2247f480c706ab8e2ff6dbeb790614cbde9fb547699b24e69c85c54e99ed77a08fe7e1d1b4b488d0

          • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\CompensationClaim-2000459547-02022021.xls.LNK
            MD5

            9c5051df5e867fe3c443176b50ee382e

            SHA1

            1c4cc2057c88537bceaea7216ae8d729775de3b4

            SHA256

            d7ca1037547fd2827fda591b88bf3a5c40ec30bee2f716a370aa0d7a0a86aa28

            SHA512

            51c693a8090f0354d23fdc9b14460cf4f2faef41ad7f8202efe1f95a6f241cb6c13abf7775008d9636453cdfe23e0a913d06ee28400afe2d08fade8e1348046b

          • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
            MD5

            d41d8cd98f00b204e9800998ecf8427e

            SHA1

            da39a3ee5e6b4b0d3255bfef95601890afd80709

            SHA256

            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

            SHA512

            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

          • C:\Users\Admin\Desktop\CompensationClaim-2000459547-02022021.xls
            MD5

            81127c17bb440dd839851ac20b92a862

            SHA1

            b29e5cbc5b223636190900a7447e58a5595f55ac

            SHA256

            175ef443932d8d47c81e91f4cd3b7f29a465a8954110d86545aaefed5da3692f

            SHA512

            e75552e33aa113d11c274bd32f70408c27051580990fac865935802a32f96eaee205c316e897e2a546d75c9b87195e854079ca22fa2b19d0b906de3de97278d8

          • C:\Users\Admin\HYGFR.HYGF1
            MD5

            6e0a15ac62d32983e782c715ed4b5ec8

            SHA1

            f718149ba16ef95a7d48dbd69d6d9dc224d0b87f

            SHA256

            08697d907c6be7c0952fa7e2d8498a742bfa3e5709548e77e7d187ae967d8552

            SHA512

            29ad758d0c3745c7b4e3aa4fece1daefa82e6ac07f851b76a50ce0e6c56f4333ca3e0ab4925d9558b2cfca4e2a243ca20355b1f8025c9980e7986fbe48836104

          • C:\Users\Admin\HYGFR.HYGF1
            MD5

            67ffd1306ef7070a92aa648a45a09756

            SHA1

            ca57c4b3486430ed50cd11666492f077c9d11a11

            SHA256

            d3501e9f6f190ee55e0cee711aedbf2b2b7cc325177d0fccddfe09ee83abbc28

            SHA512

            4e494ae48dbd9fc03dcaf95b6321b53781468fc48ef12231998e922adcc30294eddfebf8f32833affc141c7acb1bea677eb8787e1991a985d073880acf803769

          • C:\Users\Admin\HYGFR.HYGF4
            MD5

            67ffd1306ef7070a92aa648a45a09756

            SHA1

            ca57c4b3486430ed50cd11666492f077c9d11a11

            SHA256

            d3501e9f6f190ee55e0cee711aedbf2b2b7cc325177d0fccddfe09ee83abbc28

            SHA512

            4e494ae48dbd9fc03dcaf95b6321b53781468fc48ef12231998e922adcc30294eddfebf8f32833affc141c7acb1bea677eb8787e1991a985d073880acf803769

          • C:\Users\Admin\HYGFR.HYGF4
            MD5

            6e0a15ac62d32983e782c715ed4b5ec8

            SHA1

            f718149ba16ef95a7d48dbd69d6d9dc224d0b87f

            SHA256

            08697d907c6be7c0952fa7e2d8498a742bfa3e5709548e77e7d187ae967d8552

            SHA512

            29ad758d0c3745c7b4e3aa4fece1daefa82e6ac07f851b76a50ce0e6c56f4333ca3e0ab4925d9558b2cfca4e2a243ca20355b1f8025c9980e7986fbe48836104

          • \Users\Admin\HYGFR.HYGF1
            MD5

            67ffd1306ef7070a92aa648a45a09756

            SHA1

            ca57c4b3486430ed50cd11666492f077c9d11a11

            SHA256

            d3501e9f6f190ee55e0cee711aedbf2b2b7cc325177d0fccddfe09ee83abbc28

            SHA512

            4e494ae48dbd9fc03dcaf95b6321b53781468fc48ef12231998e922adcc30294eddfebf8f32833affc141c7acb1bea677eb8787e1991a985d073880acf803769

          • \Users\Admin\HYGFR.HYGF1
            MD5

            6e0a15ac62d32983e782c715ed4b5ec8

            SHA1

            f718149ba16ef95a7d48dbd69d6d9dc224d0b87f

            SHA256

            08697d907c6be7c0952fa7e2d8498a742bfa3e5709548e77e7d187ae967d8552

            SHA512

            29ad758d0c3745c7b4e3aa4fece1daefa82e6ac07f851b76a50ce0e6c56f4333ca3e0ab4925d9558b2cfca4e2a243ca20355b1f8025c9980e7986fbe48836104

          • \Users\Admin\HYGFR.HYGF1
            MD5

            6e0a15ac62d32983e782c715ed4b5ec8

            SHA1

            f718149ba16ef95a7d48dbd69d6d9dc224d0b87f

            SHA256

            08697d907c6be7c0952fa7e2d8498a742bfa3e5709548e77e7d187ae967d8552

            SHA512

            29ad758d0c3745c7b4e3aa4fece1daefa82e6ac07f851b76a50ce0e6c56f4333ca3e0ab4925d9558b2cfca4e2a243ca20355b1f8025c9980e7986fbe48836104

          • \Users\Admin\HYGFR.HYGF4
            MD5

            67ffd1306ef7070a92aa648a45a09756

            SHA1

            ca57c4b3486430ed50cd11666492f077c9d11a11

            SHA256

            d3501e9f6f190ee55e0cee711aedbf2b2b7cc325177d0fccddfe09ee83abbc28

            SHA512

            4e494ae48dbd9fc03dcaf95b6321b53781468fc48ef12231998e922adcc30294eddfebf8f32833affc141c7acb1bea677eb8787e1991a985d073880acf803769

          • \Users\Admin\HYGFR.HYGF4
            MD5

            6e0a15ac62d32983e782c715ed4b5ec8

            SHA1

            f718149ba16ef95a7d48dbd69d6d9dc224d0b87f

            SHA256

            08697d907c6be7c0952fa7e2d8498a742bfa3e5709548e77e7d187ae967d8552

            SHA512

            29ad758d0c3745c7b4e3aa4fece1daefa82e6ac07f851b76a50ce0e6c56f4333ca3e0ab4925d9558b2cfca4e2a243ca20355b1f8025c9980e7986fbe48836104

          • \Users\Admin\HYGFR.HYGF4
            MD5

            6e0a15ac62d32983e782c715ed4b5ec8

            SHA1

            f718149ba16ef95a7d48dbd69d6d9dc224d0b87f

            SHA256

            08697d907c6be7c0952fa7e2d8498a742bfa3e5709548e77e7d187ae967d8552

            SHA512

            29ad758d0c3745c7b4e3aa4fece1daefa82e6ac07f851b76a50ce0e6c56f4333ca3e0ab4925d9558b2cfca4e2a243ca20355b1f8025c9980e7986fbe48836104

          • memory/496-31-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
            Filesize

            64KB

          • memory/496-30-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
            Filesize

            64KB

          • memory/496-33-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
            Filesize

            64KB

          • memory/496-3-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
            Filesize

            64KB

          • memory/496-32-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
            Filesize

            64KB

          • memory/496-2-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
            Filesize

            64KB

          • memory/496-4-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
            Filesize

            64KB

          • memory/496-5-0x00007FF8091A0000-0x00007FF8097D7000-memory.dmp
            Filesize

            6.2MB

          • memory/496-6-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
            Filesize

            64KB

          • memory/1420-7-0x0000000000000000-mapping.dmp
          • memory/1728-8-0x0000000000000000-mapping.dmp
          • memory/1748-66-0x0000000002A31000-0x0000000002AD0000-memory.dmp
            Filesize

            636KB

          • memory/1748-63-0x0000000000000000-mapping.dmp
          • memory/1748-71-0x0000000002B80000-0x0000000002BB5000-memory.dmp
            Filesize

            212KB

          • memory/1748-69-0x0000000002B80000-0x0000000002BB5000-memory.dmp
            Filesize

            212KB

          • memory/1748-67-0x0000000000620000-0x0000000000621000-memory.dmp
            Filesize

            4KB

          • memory/1772-58-0x0000000000000000-mapping.dmp
          • memory/1776-18-0x0000000000000000-mapping.dmp
          • memory/1832-16-0x0000000000000000-mapping.dmp
          • memory/1880-70-0x0000000000000000-mapping.dmp
          • memory/1880-73-0x00000000005B0000-0x00000000005E5000-memory.dmp
            Filesize

            212KB

          • memory/2140-28-0x0000000000000000-mapping.dmp
          • memory/2140-29-0x0000000001270000-0x00000000012A5000-memory.dmp
            Filesize

            212KB

          • memory/2264-23-0x0000000000000000-mapping.dmp
          • memory/2264-25-0x0000000002ED0000-0x0000000002ED1000-memory.dmp
            Filesize

            4KB

          • memory/2264-27-0x0000000004C40000-0x0000000004C75000-memory.dmp
            Filesize

            212KB

          • memory/2300-56-0x0000000000000000-mapping.dmp
          • memory/2300-60-0x0000000000650000-0x0000000000685000-memory.dmp
            Filesize

            212KB

          • memory/2352-10-0x0000000000000000-mapping.dmp
          • memory/2352-12-0x0000000002ED0000-0x0000000002ED1000-memory.dmp
            Filesize

            4KB

          • memory/2352-14-0x0000000004B30000-0x0000000004B65000-memory.dmp
            Filesize

            212KB

          • memory/2352-13-0x00000000049D0000-0x0000000004A17000-memory.dmp
            Filesize

            284KB

          • memory/2660-17-0x00000000001A0000-0x00000000001D5000-memory.dmp
            Filesize

            212KB

          • memory/2660-15-0x0000000000000000-mapping.dmp
          • memory/2660-20-0x00000000001A0000-0x00000000001D5000-memory.dmp
            Filesize

            212KB

          • memory/2996-59-0x0000000000000000-mapping.dmp
          • memory/3140-46-0x0000000000000000-mapping.dmp
          • memory/3632-61-0x0000000000000000-mapping.dmp
          • memory/3680-21-0x0000000000000000-mapping.dmp
          • memory/3856-53-0x00000000009B0000-0x00000000009B1000-memory.dmp
            Filesize

            4KB

          • memory/3856-57-0x0000000005E10000-0x0000000005E45000-memory.dmp
            Filesize

            212KB

          • memory/3856-55-0x0000000005E10000-0x0000000005E45000-memory.dmp
            Filesize

            212KB

          • memory/3856-52-0x0000000004221000-0x00000000042C0000-memory.dmp
            Filesize

            636KB

          • memory/3856-49-0x0000000000000000-mapping.dmp
          • memory/3980-38-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
            Filesize

            64KB

          • memory/3980-37-0x00007FF809BC0000-0x00007FF80A1F7000-memory.dmp
            Filesize

            6.2MB

          • memory/3980-36-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
            Filesize

            64KB

          • memory/3980-35-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
            Filesize

            64KB

          • memory/3980-34-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
            Filesize

            64KB

          • memory/4044-19-0x0000000000000000-mapping.dmp
          • memory/4092-47-0x0000000000000000-mapping.dmp