Analysis
-
max time kernel
148s -
max time network
105s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
24-02-2021 20:42
Static task
static1
Behavioral task
behavioral1
Sample
b26fc49a0c4e6d016dd81d948aecd9f7e7c46ffbd7beefe5b9cf1a4f621a3ce3.dll
Resource
win7v20201028
General
-
Target
b26fc49a0c4e6d016dd81d948aecd9f7e7c46ffbd7beefe5b9cf1a4f621a3ce3.dll
-
Size
556KB
-
MD5
2896eeab2e84d350b16258441538b624
-
SHA1
c9bcc6eeebda830d39487540c2a594da06912cef
-
SHA256
b26fc49a0c4e6d016dd81d948aecd9f7e7c46ffbd7beefe5b9cf1a4f621a3ce3
-
SHA512
b85ce65024667ca93fb531453ed1924d20787c8ff78aee08e89b6b916961295e13859bedd5c661a539ac60c649d01189fea090347368a1b1b7eb61fec646de85
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
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Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 2752 regsvr32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2056 2752 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 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
rundll32.exeWerFault.exepid process 1200 rundll32.exe 1200 rundll32.exe 1200 rundll32.exe 1200 rundll32.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe 2056 WerFault.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
rundll32.exepid process 1200 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 2056 WerFault.exe Token: SeBackupPrivilege 2056 WerFault.exe Token: SeDebugPrivilege 2056 WerFault.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exeregsvr32.exedescription pid process target process PID 1192 wrote to memory of 1200 1192 rundll32.exe rundll32.exe PID 1192 wrote to memory of 1200 1192 rundll32.exe rundll32.exe PID 1192 wrote to memory of 1200 1192 rundll32.exe rundll32.exe PID 1200 wrote to memory of 2904 1200 rundll32.exe explorer.exe PID 1200 wrote to memory of 2904 1200 rundll32.exe explorer.exe PID 1200 wrote to memory of 2904 1200 rundll32.exe explorer.exe PID 1200 wrote to memory of 2904 1200 rundll32.exe explorer.exe PID 1200 wrote to memory of 2904 1200 rundll32.exe explorer.exe PID 2904 wrote to memory of 2164 2904 explorer.exe schtasks.exe PID 2904 wrote to memory of 2164 2904 explorer.exe schtasks.exe PID 2904 wrote to memory of 2164 2904 explorer.exe schtasks.exe PID 976 wrote to memory of 2752 976 regsvr32.exe regsvr32.exe PID 976 wrote to memory of 2752 976 regsvr32.exe regsvr32.exe PID 976 wrote to memory of 2752 976 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b26fc49a0c4e6d016dd81d948aecd9f7e7c46ffbd7beefe5b9cf1a4f621a3ce3.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b26fc49a0c4e6d016dd81d948aecd9f7e7c46ffbd7beefe5b9cf1a4f621a3ce3.dll,#12⤵
- 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.exe3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn nlenfhktlc /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\b26fc49a0c4e6d016dd81d948aecd9f7e7c46ffbd7beefe5b9cf1a4f621a3ce3.dll\"" /SC ONCE /Z /ST 20:43 /ET 20:554⤵
- Creates scheduled task(s)
-
\??\c:\windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\b26fc49a0c4e6d016dd81d948aecd9f7e7c46ffbd7beefe5b9cf1a4f621a3ce3.dll"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\b26fc49a0c4e6d016dd81d948aecd9f7e7c46ffbd7beefe5b9cf1a4f621a3ce3.dll"2⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 1803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\b26fc49a0c4e6d016dd81d948aecd9f7e7c46ffbd7beefe5b9cf1a4f621a3ce3.dllMD5
ab335c2a416383c748615aed31707260
SHA16afaf5458cd0caef19db7755d5ef8aa7a6f39474
SHA256060fd250d8ef9ae8a143790cbd787ac09516c58ba60eda57aa68b412d58ef2cd
SHA5121acb60cbcb5ecd9280395567670ed965267e7ca5f42df5bac889457d10d122b650c267252e9520b76be814c4414f320ca7cc5eb62bbf7cd970ec2b88cbf161fd
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\Users\Admin\AppData\Local\Temp\b26fc49a0c4e6d016dd81d948aecd9f7e7c46ffbd7beefe5b9cf1a4f621a3ce3.dllMD5
ab335c2a416383c748615aed31707260
SHA16afaf5458cd0caef19db7755d5ef8aa7a6f39474
SHA256060fd250d8ef9ae8a143790cbd787ac09516c58ba60eda57aa68b412d58ef2cd
SHA5121acb60cbcb5ecd9280395567670ed965267e7ca5f42df5bac889457d10d122b650c267252e9520b76be814c4414f320ca7cc5eb62bbf7cd970ec2b88cbf161fd
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memory/1200-2-0x0000000000000000-mapping.dmp
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memory/1200-3-0x0000000010000000-0x0000000010035000-memory.dmpFilesize
212KB
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memory/1200-4-0x0000000000C20000-0x0000000000C21000-memory.dmpFilesize
4KB
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memory/2056-12-0x0000000002E70000-0x0000000002E71000-memory.dmpFilesize
4KB
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memory/2164-6-0x0000000000000000-mapping.dmp
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memory/2752-10-0x0000000000000000-mapping.dmp
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memory/2904-5-0x0000000000000000-mapping.dmp
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memory/2904-7-0x0000000002900000-0x0000000002935000-memory.dmpFilesize
212KB
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memory/2904-8-0x0000000002900000-0x0000000002935000-memory.dmpFilesize
212KB