Analysis
-
max time kernel
150s -
max time network
136s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
02-02-2021 00:15
Static task
static1
Behavioral task
behavioral1
Sample
direct,02.01.2021.doc
Resource
win7v20201028
Behavioral task
behavioral2
Sample
direct,02.01.2021.doc
Resource
win10v20201028
General
-
Target
direct,02.01.2021.doc
-
Size
75KB
-
MD5
a7381f4e85590449ca5c33bec0aa39b3
-
SHA1
f299694003dd4e96abd9b9b36857c6f5373b56e4
-
SHA256
5b729ea665fa8c4ee7d64a33f8037ddcd0cd67e018362b8faef0fb385a8cef7f
-
SHA512
e8b4a2e5bfc7669a735946a9f51dd6fe528dfa4bc68c33de0a73439bbb57696362f036a206aa2efb6f31482cf8a283f96154e48c1672d09d2cbb6641e84f1569
Malware Config
Extracted
qakbot
krk01
1611569149
31.5.21.66:995
89.3.198.238:443
202.188.138.162:443
188.24.128.253:443
175.141.219.71:443
151.60.15.183:443
184.189.122.72:443
80.227.5.70:443
140.82.49.12:443
89.211.241.100:995
81.97.154.100:443
77.27.174.49:995
92.154.83.96:2078
42.3.8.54:443
71.187.170.235:443
46.153.36.53:995
71.182.142.63:443
105.186.102.16:443
50.244.112.106:443
78.63.226.32:443
85.132.36.111:2222
68.186.192.69:443
75.136.40.155:443
68.225.60.77:995
144.139.47.206:443
79.129.121.81:995
98.121.187.78:443
75.67.192.125:443
216.201.162.158:443
2.50.2.216:443
75.136.26.147:443
84.72.35.226:443
172.78.30.215:443
105.198.236.99:443
83.110.102.100:443
193.248.221.184:2222
190.85.91.154:443
96.37.113.36:993
83.110.108.181:2222
88.233.91.244:443
95.77.223.148:443
207.246.77.75:2222
86.236.77.68:2222
207.246.77.75:443
45.63.107.192:995
77.211.30.202:995
149.28.99.97:443
207.246.77.75:8443
149.28.98.196:2222
207.246.116.237:995
207.246.116.237:8443
149.28.99.97:995
207.246.77.75:995
207.246.116.237:2222
45.77.115.208:443
45.32.211.207:995
149.28.101.90:8443
149.28.101.90:443
149.28.99.97:2222
172.115.177.204:2222
144.202.38.185:995
207.246.116.237:443
149.28.98.196:443
144.202.38.185:443
149.28.101.90:995
45.32.211.207:2222
45.32.211.207:443
45.32.211.207:8443
149.28.98.196:995
144.202.38.185:2222
45.63.107.192:443
149.28.101.90:2222
45.63.107.192:2222
45.77.115.208:2222
196.151.252.84:443
105.198.236.101:443
82.76.47.211:443
45.77.115.208:995
45.77.115.208:8443
213.60.147.140:443
92.59.35.196:2222
47.22.148.6:443
203.106.195.67:443
202.185.50.15:443
173.70.165.101:995
50.240.77.238:22
86.98.93.124:2078
172.87.157.235:3389
197.45.110.165:995
76.25.142.196:443
106.51.52.111:443
188.25.63.105:443
83.110.12.140:2222
64.121.114.87:443
50.29.166.232:995
217.133.54.140:32100
122.148.156.131:995
173.21.10.71:2222
45.46.53.140:2222
67.6.91.75:443
47.156.65.184:443
76.111.128.194:443
75.118.1.141:443
65.27.228.247:443
71.74.12.34:443
74.68.144.202:443
98.240.24.57:443
47.196.192.184:443
71.14.110.199:443
71.197.126.250:443
24.253.38.139:993
197.161.154.132:443
80.7.129.64:995
47.208.8.187:443
89.137.211.239:995
86.220.60.133:2222
94.53.92.42:443
78.97.207.104:443
106.250.150.98:443
67.8.103.21:443
41.39.134.183:443
2.50.161.6:2222
96.19.117.140:443
199.19.117.131:443
104.37.20.207:995
216.150.207.100:2222
189.222.111.204:443
73.216.60.90:2222
69.123.179.70:443
189.237.7.9:443
89.137.221.232:443
109.12.111.14:443
125.63.101.62:443
2.7.69.217:2222
89.211.247.202:443
201.130.149.43:995
186.155.151.167:443
201.127.37.219:443
151.205.102.42:443
189.210.115.207:443
97.69.160.4:2222
72.240.200.181:2222
72.252.201.69:443
172.87.134.226:995
209.210.187.52:995
209.210.187.52:443
108.46.145.30:443
24.229.150.54:995
186.84.90.232:443
80.11.5.65:2222
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
explorer.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 1688 812 explorer.exe WINWORD.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
mshta.exeflow pid process 26 1344 mshta.exe -
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 3548 regsvr32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
regsvr32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000 regsvr32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc regsvr32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000 regsvr32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Modifies registry class 1 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 812 WINWORD.EXE 812 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
regsvr32.exepid process 3548 regsvr32.exe 3548 regsvr32.exe 3548 regsvr32.exe 3548 regsvr32.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
regsvr32.exepid process 3548 regsvr32.exe -
Suspicious use of SetWindowsHookEx 18 IoCs
Processes:
WINWORD.EXEpid process 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE 812 WINWORD.EXE -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
WINWORD.EXEexplorer.exemshta.exeregsvr32.exedescription pid process target process PID 812 wrote to memory of 1688 812 WINWORD.EXE explorer.exe PID 812 wrote to memory of 1688 812 WINWORD.EXE explorer.exe PID 2820 wrote to memory of 1344 2820 explorer.exe mshta.exe PID 2820 wrote to memory of 1344 2820 explorer.exe mshta.exe PID 2820 wrote to memory of 1344 2820 explorer.exe mshta.exe PID 1344 wrote to memory of 3548 1344 mshta.exe regsvr32.exe PID 1344 wrote to memory of 3548 1344 mshta.exe regsvr32.exe PID 1344 wrote to memory of 3548 1344 mshta.exe regsvr32.exe PID 3548 wrote to memory of 2224 3548 regsvr32.exe explorer.exe PID 3548 wrote to memory of 2224 3548 regsvr32.exe explorer.exe PID 3548 wrote to memory of 2224 3548 regsvr32.exe explorer.exe PID 3548 wrote to memory of 2224 3548 regsvr32.exe explorer.exe PID 3548 wrote to memory of 2224 3548 regsvr32.exe explorer.exe
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\direct,02.01.2021.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Windows\explorer.exeexplorer c:\programdata\ayYdz.hta2⤵
- Process spawned unexpected child process
PID:1688
-
C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\ProgramData\ayYdz.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\System32\regsvr32.exe" c:\programdata\ayYdz.tmp3⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3548 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵PID:2224
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\ProgramData\ayYdz.htaMD5
007902da70bb979585e6262cd6c4af51
SHA14579e4c4ba37990b23d7714b2823a1bbb303905d
SHA256666a5d055dce735ec82685241ea6fc81dfbf4abd701e79216f82f5d4407fce2a
SHA5126fdd2a374a02fd4c165d152a3ad11d2d5c072636718e4f3a27d1b544180105daffbcdc41bac5093fa51b298c91b60716630505eb42e7d48c3b0192a3cba053ee
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\??\c:\programdata\ayYdz.tmpMD5
50901dabb081865f84c7304ada82f661
SHA1080fdd1ab480f199cce8df9088713ffaf4e5f787
SHA25628a61c61444f43e9bc83f27e0e3838e785844c63919fe227c48622d0fd93abf5
SHA512d276439a59ed2dac449dcc216319f326027fe530701efa8a35d56a271d4e6a128e0c4936cd7b86887f02476aada2aa1b7155641abc935cc0e437711869187326
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\ProgramData\ayYdz.tmpMD5
50901dabb081865f84c7304ada82f661
SHA1080fdd1ab480f199cce8df9088713ffaf4e5f787
SHA25628a61c61444f43e9bc83f27e0e3838e785844c63919fe227c48622d0fd93abf5
SHA512d276439a59ed2dac449dcc216319f326027fe530701efa8a35d56a271d4e6a128e0c4936cd7b86887f02476aada2aa1b7155641abc935cc0e437711869187326
-
memory/812-3-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmpFilesize
64KB
-
memory/812-4-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmpFilesize
64KB
-
memory/812-5-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmpFilesize
64KB
-
memory/812-6-0x00007FFB80F70000-0x00007FFB815A7000-memory.dmpFilesize
6.2MB
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memory/812-8-0x0000024A55120000-0x0000024A55124000-memory.dmpFilesize
16KB
-
memory/812-2-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmpFilesize
64KB
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memory/1344-10-0x0000000000000000-mapping.dmp
-
memory/1688-7-0x0000000000000000-mapping.dmp
-
memory/2224-16-0x0000000000000000-mapping.dmp
-
memory/2224-17-0x0000000003220000-0x0000000003255000-memory.dmpFilesize
212KB
-
memory/3548-11-0x0000000000000000-mapping.dmp
-
memory/3548-14-0x0000000010000000-0x0000000010035000-memory.dmpFilesize
212KB
-
memory/3548-15-0x0000000002A50000-0x0000000002A51000-memory.dmpFilesize
4KB