Analysis
-
max time kernel
139s -
max time network
136s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
28-11-2020 06:28
Static task
static1
Behavioral task
behavioral1
Sample
unk.xls
Resource
win7v20201028
General
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Target
unk.xls
-
Size
61KB
-
MD5
d0313772c1e64397f258f4d2858b6887
-
SHA1
f5b2ad3b760f617717d24c8e6d221f622f46491f
-
SHA256
4f6e7bee0b3cec15fcc27028b2a4c1a5d450787c07a1671d5b0cc5a3417ad0b4
-
SHA512
d4a911605f3b96a337966a84fa9c58d94b255f90773b7a1ee0dd257bd6495d224f8d514380540c119b3abb420cf52efcc2b96b6b2912dea6b6e4de8b8696c2a5
Malware Config
Extracted
qakbot
abc101
1606331967
76.104.230.174:443
187.227.86.129:995
219.255.28.241:443
78.184.6.94:443
95.159.45.82:443
91.228.36.95:443
79.115.215.125:443
24.244.161.36:443
24.71.28.247:443
73.239.229.107:995
187.153.119.36:443
190.75.167.44:2222
83.110.111.159:443
174.76.21.134:443
75.109.180.221:443
85.122.141.42:995
156.222.6.246:995
188.24.183.193:443
88.106.237.152:2222
79.166.83.103:2222
74.73.27.35:443
200.140.154.174:2222
173.173.1.164:443
89.33.87.107:443
86.97.221.121:443
72.241.205.69:443
196.89.180.164:443
83.110.19.27:443
95.77.223.148:443
47.22.148.6:443
196.204.207.111:443
79.129.121.81:995
98.115.243.237:443
105.198.236.99:443
68.134.181.98:443
69.47.239.10:443
67.82.244.199:2222
2.51.246.190:995
200.75.136.78:443
79.119.20.151:443
31.46.48.119:443
2.86.41.23:2222
108.30.125.94:443
189.210.115.207:443
187.149.129.239:443
84.117.176.32:443
189.141.31.12:443
185.105.131.233:443
95.76.27.6:443
73.56.2.167:443
189.131.107.239:995
68.225.60.77:995
90.174.217.251:2222
68.116.193.239:443
73.166.10.38:995
98.26.50.62:995
95.77.144.238:443
98.4.227.199:443
201.170.194.40:995
174.29.203.226:993
120.150.218.241:995
85.204.189.105:443
67.6.54.180:443
5.15.225.109:443
98.240.24.57:443
216.201.162.158:443
173.197.22.90:2222
217.165.2.92:995
67.8.103.21:443
76.181.122.120:443
174.62.13.151:443
172.87.134.226:443
108.160.123.244:443
50.244.112.106:443
2.7.202.106:2222
187.136.203.196:443
190.220.8.10:995
89.136.39.108:443
24.138.77.61:443
187.213.136.249:995
73.166.10.38:443
85.60.132.8:2087
84.78.128.76:2078
146.199.132.233:2222
24.201.61.153:2078
189.250.115.177:2222
2.190.10.89:995
72.240.200.181:2222
172.114.116.226:995
72.190.101.70:443
109.209.94.165:2222
92.59.35.196:2083
37.107.82.136:443
174.76.11.123:995
72.252.201.69:443
172.116.85.178:443
72.29.181.78:2078
178.223.20.246:995
98.30.44.223:2222
189.231.173.158:443
39.32.125.15:995
185.138.134.150:443
105.198.236.101:443
5.14.152.241:443
149.28.98.196:2222
45.63.107.192:2222
208.93.202.41:443
45.77.193.83:443
93.177.172.131:443
149.28.98.196:443
45.63.107.192:995
5.107.34.225:22
98.199.189.220:61202
149.28.98.196:995
149.28.99.97:443
72.204.242.138:443
149.28.99.97:2222
50.244.112.90:443
182.48.138.42:443
69.123.179.70:443
90.101.62.189:2222
41.228.197.242:443
190.128.215.174:443
188.26.243.119:443
73.248.120.240:443
72.36.59.46:2222
24.152.219.253:995
189.172.247.56:443
199.19.117.131:443
89.137.211.239:443
37.116.152.122:2222
83.202.68.220:2222
216.215.77.18:2078
96.37.113.36:993
92.154.83.96:2222
73.55.254.225:443
24.122.0.90:443
68.192.50.231:443
86.218.67.235:2222
116.240.78.45:995
105.101.216.210:443
77.27.174.49:995
98.121.187.78:443
201.152.69.217:995
75.136.26.147:443
92.137.138.52:2222
71.182.142.63:443
178.87.29.72:443
75.136.40.155:443
201.152.196.4:443
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2720 1400 regsvr32.exe EXCEL.EXE -
Processes:
resource yara_rule C:\LotWin\LotWin2\Horsew.dll cryptone \LotWin\LotWin2\Horsew.dll cryptone -
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1564 regsvr32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3044 1564 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:
regsvr32.exedescription ioc process 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 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 -
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 1400 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
regsvr32.exeWerFault.exepid process 1564 regsvr32.exe 1564 regsvr32.exe 1564 regsvr32.exe 1564 regsvr32.exe 3044 WerFault.exe 3044 WerFault.exe 3044 WerFault.exe 3044 WerFault.exe 3044 WerFault.exe 3044 WerFault.exe 3044 WerFault.exe 3044 WerFault.exe 3044 WerFault.exe 3044 WerFault.exe 3044 WerFault.exe 3044 WerFault.exe 3044 WerFault.exe 3044 WerFault.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
regsvr32.exepid process 1564 regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 3044 WerFault.exe Token: SeBackupPrivilege 3044 WerFault.exe Token: SeDebugPrivilege 3044 WerFault.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1400 EXCEL.EXE 1400 EXCEL.EXE 1400 EXCEL.EXE 1400 EXCEL.EXE 1400 EXCEL.EXE 1400 EXCEL.EXE 1400 EXCEL.EXE 1400 EXCEL.EXE 1400 EXCEL.EXE 1400 EXCEL.EXE 1400 EXCEL.EXE 1400 EXCEL.EXE -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
EXCEL.EXEregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 1400 wrote to memory of 2720 1400 EXCEL.EXE regsvr32.exe PID 1400 wrote to memory of 2720 1400 EXCEL.EXE regsvr32.exe PID 2720 wrote to memory of 1564 2720 regsvr32.exe regsvr32.exe PID 2720 wrote to memory of 1564 2720 regsvr32.exe regsvr32.exe PID 2720 wrote to memory of 1564 2720 regsvr32.exe regsvr32.exe PID 1564 wrote to memory of 1288 1564 regsvr32.exe explorer.exe PID 1564 wrote to memory of 1288 1564 regsvr32.exe explorer.exe PID 1564 wrote to memory of 1288 1564 regsvr32.exe explorer.exe PID 1564 wrote to memory of 1288 1564 regsvr32.exe explorer.exe PID 1564 wrote to memory of 1288 1564 regsvr32.exe explorer.exe PID 1288 wrote to memory of 3808 1288 explorer.exe schtasks.exe PID 1288 wrote to memory of 3808 1288 explorer.exe schtasks.exe PID 1288 wrote to memory of 3808 1288 explorer.exe schtasks.exe
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\unk.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\regsvr32.exeregsvr32.exe -s C:\LotWin\LotWin2\Horsew.dll2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s C:\LotWin\LotWin2\Horsew.dll3⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn zwyolgaiu /tr "regsvr32.exe -s \"\"" /SC ONCE /Z /ST 07:34 /ET 07:465⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1564 -s 7684⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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\??\c:\windows\system32\regsvr32.exeregsvr32.exe -s ""1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\LotWin\LotWin2\Horsew.dllMD5
6b675077db894a7277e8744af5f80972
SHA1d06eba8b5aa371b88cf38be025595c63a0c5507a
SHA2569f4fbe9238b026f136601e5d5ee96396515c1dbcc8f56e4e63f5f57e1e61a163
SHA51272c535ede11c69ba915c0e44586c3b7a0804c2a85207ac55708839ca33334a013e5f194de88aff0217ed4de862aed2fb35dc5c3071a0a32e8c3852c0a0cb8a39
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\LotWin\LotWin2\Horsew.dllMD5
6b675077db894a7277e8744af5f80972
SHA1d06eba8b5aa371b88cf38be025595c63a0c5507a
SHA2569f4fbe9238b026f136601e5d5ee96396515c1dbcc8f56e4e63f5f57e1e61a163
SHA51272c535ede11c69ba915c0e44586c3b7a0804c2a85207ac55708839ca33334a013e5f194de88aff0217ed4de862aed2fb35dc5c3071a0a32e8c3852c0a0cb8a39
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memory/1288-8-0x0000000000000000-mapping.dmp
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memory/1288-13-0x00000000010A0000-0x00000000010C0000-memory.dmpFilesize
128KB
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memory/1400-2-0x00007FF98B1C0000-0x00007FF98B7F7000-memory.dmpFilesize
6.2MB
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memory/1564-5-0x0000000000000000-mapping.dmp
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memory/1564-7-0x0000000000E00000-0x0000000000E20000-memory.dmpFilesize
128KB
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memory/1564-15-0x0000000000000000-mapping.dmp
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memory/1564-16-0x0000000000000000-mapping.dmp
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memory/2720-3-0x0000000000000000-mapping.dmp
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memory/3044-14-0x0000000004C00000-0x0000000004C01000-memory.dmpFilesize
4KB
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memory/3044-18-0x0000000005540000-0x0000000005541000-memory.dmpFilesize
4KB
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memory/3808-12-0x0000000000000000-mapping.dmp