Analysis
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max time kernel
141s -
max time network
148s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
29-10-2020 03:38
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-1938054244.xlsb
Resource
win7v20201028
General
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Target
doc_pack-1938054244.xlsb
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Size
24KB
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MD5
24cea4076f223dc71b374b3f0693c3a2
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SHA1
c672db2e633ef6aaebee83e96fba08ac327a430a
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SHA256
7273642f1cf87a0dc8f78952756f64213f8a501d1bb27c79984d8a0456b7fda1
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SHA512
8a99338dc5955a1d95e8ecf63be68e6c38d3439ac491fce0c826c6e08348e7eda34ebf719f441836629857e4bb5a4fa3cb9a0792c2f0dec81e436fff7856fef1
Malware Config
Extracted
qakbot
tr01
1603793855
50.104.68.223:443
89.137.211.239:443
95.77.223.148:443
197.37.69.138:993
68.174.15.223:443
103.238.231.35:443
36.77.151.211:443
72.16.56.171:443
45.47.65.191:443
189.231.212.189:443
106.51.52.111:443
24.55.66.125:443
39.37.247.97:995
108.190.151.108:2222
203.198.96.61:443
73.228.1.246:443
35.134.202.234:443
188.50.230.249:995
86.120.64.150:2222
5.14.126.153:443
64.121.114.87:443
108.46.145.30:443
45.77.193.83:443
207.246.75.201:443
94.52.160.116:443
86.98.89.100:2222
47.44.217.98:443
102.186.103.0:443
217.162.149.212:443
92.59.35.196:2222
83.110.80.66:995
5.12.255.109:443
86.121.121.14:2222
45.32.154.10:443
98.26.50.62:995
2.50.57.213:443
77.27.174.49:995
2.7.65.32:2222
98.4.227.199:443
151.73.112.197:443
108.31.15.10:995
78.97.207.104:443
72.66.47.70:443
72.36.59.46:2222
80.240.26.178:443
184.97.134.255:443
216.201.162.158:443
146.200.250.36:2222
94.52.68.72:443
103.206.112.234:443
108.185.113.12:443
75.136.40.155:443
77.159.149.74:443
72.71.230.82:2222
66.215.32.224:443
45.32.155.12:443
203.106.195.67:443
199.247.16.80:443
41.227.67.92:443
173.3.17.223:995
185.19.190.81:443
78.96.199.79:443
173.245.152.231:443
75.137.239.211:443
1.160.141.215:443
217.165.96.127:990
50.244.112.10:995
41.97.179.154:443
134.0.196.46:995
45.32.165.134:443
41.225.13.128:8443
45.63.104.123:443
207.246.70.216:443
176.205.145.61:995
2.50.131.64:443
45.32.155.12:2222
96.30.198.161:443
140.82.27.132:443
45.32.155.12:995
24.43.22.220:993
173.70.165.101:995
202.141.244.118:995
80.195.103.146:2222
184.96.158.62:993
93.113.177.152:443
31.5.21.66:443
24.27.82.216:2222
84.247.55.190:443
188.27.178.166:443
45.32.162.253:443
95.179.247.224:443
199.247.22.145:443
95.76.27.6:443
81.97.154.100:443
174.30.165.242:2222
197.210.96.222:995
203.45.104.33:443
45.46.53.140:2222
189.183.209.130:995
173.21.10.71:2222
47.138.201.136:443
144.139.47.206:443
69.123.179.70:443
69.123.116.167:2222
24.40.173.134:443
173.173.1.164:443
117.199.7.191:443
85.204.189.105:443
72.29.181.78:2222
71.220.164.199:2222
65.102.150.178:995
24.128.117.95:443
69.47.239.10:443
200.38.254.177:443
201.103.145.28:443
74.195.88.59:443
66.97.247.15:443
50.29.166.232:995
83.110.3.77:2078
98.115.243.237:443
99.240.226.2:443
73.200.219.143:443
24.205.42.241:443
72.196.114.129:443
206.183.190.53:993
67.6.55.77:443
68.184.45.73:443
24.28.183.107:995
98.121.187.78:443
98.240.24.57:443
67.165.206.193:993
89.33.87.107:443
96.237.141.134:995
5.193.181.221:2078
24.213.191.38:0
108.30.125.94:443
108.191.28.158:443
71.197.126.250:443
68.46.142.48:995
75.136.26.147:443
72.82.15.220:443
191.84.0.209:443
71.182.142.63:443
36.236.230.253:443
186.31.47.254:443
68.104.6.221:443
74.137.189.78:443
79.117.56.230:443
68.33.206.204:443
187.200.72.253:443
Signatures
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Executes dropped EXE 4 IoCs
Processes:
exlwhtih.exeexlwhtih.exebfvark.exebfvark.exepid Process 1528 exlwhtih.exe 2136 exlwhtih.exe 3868 bfvark.exe 2892 bfvark.exe -
Checks SCSI registry key(s) 3 TTPs 12 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
exlwhtih.exebfvark.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000 exlwhtih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000 bfvark.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc bfvark.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service bfvark.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc bfvark.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service bfvark.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000 exlwhtih.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\DeviceDesc exlwhtih.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service exlwhtih.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\DeviceDesc exlwhtih.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service exlwhtih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000 bfvark.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 576 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
exlwhtih.exeexlwhtih.exebfvark.exebfvark.exeexplorer.exepid Process 1528 exlwhtih.exe 1528 exlwhtih.exe 2136 exlwhtih.exe 2136 exlwhtih.exe 2136 exlwhtih.exe 2136 exlwhtih.exe 3868 bfvark.exe 3868 bfvark.exe 2892 bfvark.exe 2892 bfvark.exe 2892 bfvark.exe 2892 bfvark.exe 3944 explorer.exe 3944 explorer.exe 3944 explorer.exe 3944 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
bfvark.exepid Process 3868 bfvark.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid Process 576 EXCEL.EXE 576 EXCEL.EXE 576 EXCEL.EXE 576 EXCEL.EXE 576 EXCEL.EXE 576 EXCEL.EXE 576 EXCEL.EXE 576 EXCEL.EXE 576 EXCEL.EXE 576 EXCEL.EXE 576 EXCEL.EXE 576 EXCEL.EXE -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
EXCEL.EXEexlwhtih.exebfvark.exedescription pid Process procid_target PID 576 wrote to memory of 1528 576 EXCEL.EXE 77 PID 576 wrote to memory of 1528 576 EXCEL.EXE 77 PID 576 wrote to memory of 1528 576 EXCEL.EXE 77 PID 1528 wrote to memory of 2136 1528 exlwhtih.exe 78 PID 1528 wrote to memory of 2136 1528 exlwhtih.exe 78 PID 1528 wrote to memory of 2136 1528 exlwhtih.exe 78 PID 1528 wrote to memory of 3868 1528 exlwhtih.exe 79 PID 1528 wrote to memory of 3868 1528 exlwhtih.exe 79 PID 1528 wrote to memory of 3868 1528 exlwhtih.exe 79 PID 1528 wrote to memory of 3568 1528 exlwhtih.exe 80 PID 1528 wrote to memory of 3568 1528 exlwhtih.exe 80 PID 1528 wrote to memory of 3568 1528 exlwhtih.exe 80 PID 3868 wrote to memory of 2892 3868 bfvark.exe 82 PID 3868 wrote to memory of 2892 3868 bfvark.exe 82 PID 3868 wrote to memory of 2892 3868 bfvark.exe 82 PID 3868 wrote to memory of 3944 3868 bfvark.exe 83 PID 3868 wrote to memory of 3944 3868 bfvark.exe 83 PID 3868 wrote to memory of 3944 3868 bfvark.exe 83 PID 3868 wrote to memory of 3944 3868 bfvark.exe 83
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-1938054244.xlsb"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:576 -
C:\hgoitk\nkorpy\exlwhtih.exe"C:\hgoitk\nkorpy\exlwhtih.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1528 -
C:\hgoitk\nkorpy\exlwhtih.exeC:\hgoitk\nkorpy\exlwhtih.exe /C3⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
PID:2136
-
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C:\Users\Admin\AppData\Roaming\Microsoft\Wubatcaev\bfvark.exeC:\Users\Admin\AppData\Roaming\Microsoft\Wubatcaev\bfvark.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3868 -
C:\Users\Admin\AppData\Roaming\Microsoft\Wubatcaev\bfvark.exeC:\Users\Admin\AppData\Roaming\Microsoft\Wubatcaev\bfvark.exe /C4⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
PID:2892
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Suspicious behavior: EnumeratesProcesses
PID:3944
-
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rhahdpepua /tr "\"C:\hgoitk\nkorpy\exlwhtih.exe\" /I rhahdpepua" /SC ONCE /Z /ST 04:59 /ET 05:113⤵
- Creates scheduled task(s)
PID:3568
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
71b014959193e3ee0d4e58b6abaf7088
SHA1d33a286035feac60259277095a0fa9cd9dc97ceb
SHA256077a0509a86e2512c1351841194bfb87f182c6846e76a1e9561872004b4490d7
SHA5120dc24db43ba4aa2c8106f8df5220891718b3b115eec5c23bc5139263133ab29f051dca127316424a3da39a821eabc1cb3017f5bc1e6539397dc807694f7de2f6
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MD5
e7fb89ff479959bedf84eed00a642f07
SHA1fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA2569089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e
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MD5
e7fb89ff479959bedf84eed00a642f07
SHA1fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA2569089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e
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MD5
e7fb89ff479959bedf84eed00a642f07
SHA1fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA2569089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e
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MD5
e7fb89ff479959bedf84eed00a642f07
SHA1fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA2569089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e
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MD5
e7fb89ff479959bedf84eed00a642f07
SHA1fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA2569089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e
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MD5
e7fb89ff479959bedf84eed00a642f07
SHA1fa31fb2d426f237ccd67a78b848b40ee1c001166
SHA2569089e9c57d46d65745dce684b639571617890c5ddabdf049122314cd7b1c7b13
SHA512328f29767511d3f5d61e3d6462282bc7f8919ec02c9cd82c94c25018d9004af773cfe3734a9524dfad9909c7c0147d086dfa52931432241a0fd801ccaceeda6e