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17-02-2021 17:09
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210216-w399b7h8en 10Analysis
-
max time kernel
148s -
max time network
133s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
17-02-2021 16:03
Behavioral task
behavioral1
Sample
docs_ (35).xls
Resource
win7v20201028
General
-
Target
docs_ (35).xls
-
Size
317KB
-
MD5
08510e105da0cd70372df801da0d50d1
-
SHA1
c14c05c17dfc2896e461c62e9dad7f81d1d48cdb
-
SHA256
37ea0eaeed142c4a0d1d4e3b801a8cef3dc5f2cd69a5af4f59bd817362833020
-
SHA512
5283efd05dd547ecaecd62236245533496fce006e7ea228a11efed7e56ae541d4c691f48b927bd1a390bb853acf5b95cc6a5aab1a3a4311f2ee292eec54ea747
Malware Config
Extracted
qakbot
tr
1613385567
78.63.226.32:443
197.51.82.72:443
193.248.221.184:2222
95.77.223.148:443
71.199.192.62:443
77.211.30.202:995
80.227.5.69:443
77.27.204.204:995
81.97.154.100:443
173.184.119.153:995
38.92.225.121:443
81.150.181.168:2222
90.65.236.181:2222
83.110.103.152:443
73.153.211.227:443
188.25.63.105:443
89.137.211.239:995
202.188.138.162:443
98.173.34.212:995
87.202.87.210:2222
195.12.154.8:443
47.217.24.69:6881
182.48.193.200:443
108.160.123.244:443
96.57.188.174:2222
45.118.216.157:443
84.72.35.226:443
172.115.177.204:2222
86.236.77.68:2222
82.127.125.209:990
176.181.247.197:443
97.69.160.4:2222
90.101.117.122:2222
189.223.201.91:443
140.82.49.12:443
2.7.69.217:2222
83.110.12.140:2222
85.132.36.111:2222
197.45.110.165:995
149.28.99.97:995
45.63.107.192:2222
149.28.98.196:2222
149.28.99.97:2222
144.202.38.185:443
149.28.99.97:443
45.63.107.192:443
45.63.107.192:995
144.202.38.185:2222
149.28.101.90:995
149.28.101.90:2222
149.28.101.90:8443
45.32.211.207:8443
149.28.98.196:995
149.28.98.196:443
45.32.211.207:995
149.28.101.90:443
207.246.77.75:443
45.77.115.208:8443
207.246.77.75:995
207.246.77.75:2222
45.32.211.207:2222
45.32.211.207:443
45.77.115.208:995
144.202.38.185:995
45.77.115.208:2222
207.246.116.237:8443
207.246.116.237:2222
207.246.77.75:8443
207.246.116.237:995
207.246.116.237:443
45.77.117.108:443
45.77.117.108:995
45.77.117.108:8443
45.77.117.108:2222
45.77.115.208:443
89.3.198.238:443
2.232.253.79:995
73.25.124.140:2222
136.232.34.70:443
157.131.108.180:443
217.133.54.140:32100
195.43.173.70:443
86.98.93.124:2078
176.205.222.30:2078
105.96.8.96:443
50.29.166.232:995
27.223.92.142:995
119.153.62.76:3389
47.187.115.228:443
67.6.12.4:443
65.27.228.247:443
23.240.70.80:995
216.201.162.158:443
139.216.137.189:995
64.121.114.87:443
79.129.121.81:995
172.87.157.235:3389
75.118.1.141:443
75.136.26.147:443
96.250.60.138:443
50.244.112.106:443
115.133.243.6:443
47.196.192.184:443
45.46.53.140:2222
105.198.236.101:443
144.139.166.18:443
196.151.252.84:443
71.197.126.250:443
196.221.207.137:995
71.117.132.169:443
74.68.144.202:443
76.25.142.196:443
98.240.24.57:443
144.139.47.206:443
86.245.46.27:2222
173.21.10.71:2222
78.97.207.104:443
86.220.60.133:2222
69.245.102.225:443
94.53.92.42:443
71.74.12.34:443
84.247.55.190:8443
173.25.45.66:443
46.153.55.149:995
78.22.58.205:3389
105.198.236.99:443
24.152.219.253:995
82.76.47.211:443
189.223.234.23:995
96.37.113.36:993
47.187.74.181:443
50.25.89.74:443
174.104.31.209:443
199.19.117.131:443
201.143.235.13:443
189.146.183.105:443
181.48.190.78:443
189.223.97.175:443
47.22.148.6:443
173.70.165.101:995
74.222.204.82:995
75.67.192.125:443
32.210.98.6:443
106.51.52.111:443
59.90.246.200:443
70.49.88.199:2222
186.28.51.27:443
98.252.118.134:443
209.210.187.52:995
189.210.115.207:443
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1276 3300 rundll32.exe EXCEL.EXE -
Loads dropped DLL 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 1452 rundll32.exe 3940 regsvr32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1532 3940 WerFault.exe regsvr32.exe -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000 rundll32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc rundll32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000 rundll32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc rundll32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service rundll32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
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 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3300 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
rundll32.exeWerFault.exepid process 1452 rundll32.exe 1452 rundll32.exe 1452 rundll32.exe 1452 rundll32.exe 1532 WerFault.exe 1532 WerFault.exe 1532 WerFault.exe 1532 WerFault.exe 1532 WerFault.exe 1532 WerFault.exe 1532 WerFault.exe 1532 WerFault.exe 1532 WerFault.exe 1532 WerFault.exe 1532 WerFault.exe 1532 WerFault.exe 1532 WerFault.exe 1532 WerFault.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
rundll32.exepid process 1452 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 1532 WerFault.exe Token: SeBackupPrivilege 1532 WerFault.exe Token: SeDebugPrivilege 1532 WerFault.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3300 EXCEL.EXE 3300 EXCEL.EXE 3300 EXCEL.EXE 3300 EXCEL.EXE 3300 EXCEL.EXE 3300 EXCEL.EXE 3300 EXCEL.EXE 3300 EXCEL.EXE 3300 EXCEL.EXE 3300 EXCEL.EXE 3300 EXCEL.EXE 3300 EXCEL.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
EXCEL.EXErundll32.exerundll32.exeexplorer.exeregsvr32.exedescription pid process target process PID 3300 wrote to memory of 1276 3300 EXCEL.EXE rundll32.exe PID 3300 wrote to memory of 1276 3300 EXCEL.EXE rundll32.exe PID 1276 wrote to memory of 1452 1276 rundll32.exe rundll32.exe PID 1276 wrote to memory of 1452 1276 rundll32.exe rundll32.exe PID 1276 wrote to memory of 1452 1276 rundll32.exe rundll32.exe PID 1452 wrote to memory of 2620 1452 rundll32.exe explorer.exe PID 1452 wrote to memory of 2620 1452 rundll32.exe explorer.exe PID 1452 wrote to memory of 2620 1452 rundll32.exe explorer.exe PID 1452 wrote to memory of 2620 1452 rundll32.exe explorer.exe PID 1452 wrote to memory of 2620 1452 rundll32.exe explorer.exe PID 2620 wrote to memory of 3912 2620 explorer.exe schtasks.exe PID 2620 wrote to memory of 3912 2620 explorer.exe schtasks.exe PID 2620 wrote to memory of 3912 2620 explorer.exe schtasks.exe PID 3980 wrote to memory of 3940 3980 regsvr32.exe regsvr32.exe PID 3980 wrote to memory of 3940 3980 regsvr32.exe regsvr32.exe PID 3980 wrote to memory of 3940 3980 regsvr32.exe regsvr32.exe
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\docs_ (35).xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\zdfb.zgz,DllRegisterServer2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32 ..\zdfb.zgz,DllRegisterServer3⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn jgggslzw /tr "regsvr32.exe -s \"C:\Users\Admin\zdfb.zgz\"" /SC ONCE /Z /ST 17:01 /ET 17:135⤵
- Creates scheduled task(s)
-
\??\c:\windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\zdfb.zgz"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\zdfb.zgz"2⤵
- Loads dropped DLL
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 5963⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\zdfb.zgzMD5
7b5c302aabdf4d449cf5814b6120fca5
SHA19a2438572b87062e460a2dd083e150ea7480600d
SHA2566ee8150dc8c9041b079d1c84e3a30e692a4f4c47ce04763360d75ffb63719bb0
SHA5127336e754ca98767b19085513aea7f4b00cfef797e1cecf3742c192cf6bf3ad7964b8cb7889ae06a30b1862e6aef82bcbbe81c98f6584f994fe6ed9cf7913c5df
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C:\Users\Admin\zdfb.zgzMD5
4b136db6cbe7cf8f3f046ed8a71dea55
SHA1b7489a92ceefddfbc7f79a9c6345989e4a481877
SHA256748f51c10cfa4ca818b1528dce17e6bb4f866a9bfd498af72fa68ed9f28be554
SHA5129472e3534f61322ea24592d43d5c242284903f380141d7320439f5879ca5fe6f45243d505cd5dc74a07dc03fb1495f31ab1f73be35c9f6755e77e99b5ddca4ad
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\Users\Admin\zdfb.zgzMD5
4b136db6cbe7cf8f3f046ed8a71dea55
SHA1b7489a92ceefddfbc7f79a9c6345989e4a481877
SHA256748f51c10cfa4ca818b1528dce17e6bb4f866a9bfd498af72fa68ed9f28be554
SHA5129472e3534f61322ea24592d43d5c242284903f380141d7320439f5879ca5fe6f45243d505cd5dc74a07dc03fb1495f31ab1f73be35c9f6755e77e99b5ddca4ad
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\Users\Admin\zdfb.zgzMD5
7b5c302aabdf4d449cf5814b6120fca5
SHA19a2438572b87062e460a2dd083e150ea7480600d
SHA2566ee8150dc8c9041b079d1c84e3a30e692a4f4c47ce04763360d75ffb63719bb0
SHA5127336e754ca98767b19085513aea7f4b00cfef797e1cecf3742c192cf6bf3ad7964b8cb7889ae06a30b1862e6aef82bcbbe81c98f6584f994fe6ed9cf7913c5df
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memory/1276-7-0x0000000000000000-mapping.dmp
-
memory/1452-9-0x0000000000000000-mapping.dmp
-
memory/1452-12-0x0000000000400000-0x00000000004D8000-memory.dmpFilesize
864KB
-
memory/1452-11-0x0000000000B80000-0x0000000000B81000-memory.dmpFilesize
4KB
-
memory/1532-20-0x0000000003750000-0x0000000003751000-memory.dmpFilesize
4KB
-
memory/2620-15-0x0000000001200000-0x0000000001235000-memory.dmpFilesize
212KB
-
memory/2620-16-0x0000000001200000-0x0000000001235000-memory.dmpFilesize
212KB
-
memory/2620-13-0x0000000000000000-mapping.dmp
-
memory/3300-6-0x00007FF8C6830000-0x00007FF8C6E67000-memory.dmpFilesize
6.2MB
-
memory/3300-2-0x00007FF8A2B20000-0x00007FF8A2B30000-memory.dmpFilesize
64KB
-
memory/3300-5-0x00007FF8A2B20000-0x00007FF8A2B30000-memory.dmpFilesize
64KB
-
memory/3300-4-0x00007FF8A2B20000-0x00007FF8A2B30000-memory.dmpFilesize
64KB
-
memory/3300-3-0x00007FF8A2B20000-0x00007FF8A2B30000-memory.dmpFilesize
64KB
-
memory/3912-14-0x0000000000000000-mapping.dmp
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memory/3940-18-0x0000000000000000-mapping.dmp