Analysis
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max time kernel
147s -
max time network
151s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
30-09-2021 15:18
Static task
static1
Behavioral task
behavioral1
Sample
b008ec2be96eda36cbe241413ffcbc96.dll
Resource
win7v20210408
General
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Target
b008ec2be96eda36cbe241413ffcbc96.dll
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Size
599KB
-
MD5
b008ec2be96eda36cbe241413ffcbc96
-
SHA1
5bce500b0916f0d668ff8dca8564c9195361a48e
-
SHA256
14da506c629f1046dcd6cd3f21080ae8886c15b5027a555c61219aec2911eca8
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SHA512
56ee477d0a107f93dc79b0779ee27a90a730bcc0c9859e2cc456b4663134f944c550c6bf0823ceea053b8f22e728cf68468de854bce683375dcd2ba4b71be6c0
Malware Config
Extracted
qakbot
402.363
tr
1632817399
105.198.236.99:443
140.82.49.12:443
37.210.152.224:995
89.101.97.139:443
81.241.252.59:2078
27.223.92.142:995
81.250.153.227:2222
73.151.236.31:443
47.22.148.6:443
122.11.220.212:2222
120.151.47.189:443
199.27.127.129:443
216.201.162.158:443
136.232.34.70:443
76.25.142.196:443
181.118.183.94:443
120.150.218.241:995
185.250.148.74:443
95.77.223.148:443
75.66.88.33:443
45.46.53.140:2222
173.25.166.81:443
103.148.120.144:443
173.21.10.71:2222
186.18.205.199:995
71.74.12.34:443
67.165.206.193:993
47.40.196.233:2222
68.204.7.158:443
24.229.150.54:995
109.12.111.14:443
177.130.82.197:2222
72.252.201.69:443
24.55.112.61:443
24.139.72.117:443
187.156.138.172:443
71.80.168.245:443
105.157.55.133:995
82.77.137.101:995
173.234.155.233:443
75.188.35.168:443
5.238.149.235:61202
73.77.87.137:443
182.176.112.182:443
96.37.113.36:993
162.244.227.34:443
92.59.35.196:2222
196.218.227.241:995
68.207.102.78:443
2.188.27.77:443
189.210.115.207:443
181.163.96.53:443
75.107.26.196:465
185.250.148.74:2222
68.186.192.69:443
Signatures
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Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 3144 regsvr32.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 10 IoCs
Processes:
explorer.exedescription ioc process Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Fnxmdsfxyeyva\a0b931cc = f952a49e2916fb1fa68bd19c011a6ae5b6f516926db2beba1ae4423a32 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Fnxmdsfxyeyva\9526e182 = 4a622ef80d54990ab8309bfbe1f565e4246c3fee68263f78fcca2807d7bdcbeb7697cc8258ce2afc3a2115a4abcb9bc08a87ab6c205053aea006c7b711b56613b61be374a834 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Fnxmdsfxyeyva explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Fnxmdsfxyeyva\dff05e3a = 826278112adbae26325121b3cceb7965b137320913c8b8a3c3234d0b82e84a1fea729ac008c59866bc58e62cbd65804f05e7ccd41c7899643d0f563a413971423027639fa9fed57399df802b6fc0ec6c8d5b3f172547944eb59ea39b6305f813493324fb92f333a746c152a154867b523572e1b3313f4265f05078320741ab2f81decc95803990b002d2bba3e26dca explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Fnxmdsfxyeyva\650d1923 = 4862220858cecad47de88e176d5964f466c90778b4efae87bf779d6fc5f3f8afa9d8bef0a5aed62a4571ad0cdaa80c6645a9031fd1c2 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Fnxmdsfxyeyva\180556a9 = 7d84608018a6ec3ce3d7cfb01598913bf403c3038183e427ff6e52410d803173ba7a6acd5c explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Fnxmdsfxyeyva\ea6f8e74 = e1d1892267626ccb7c700626dceecd7f21240eff964854a868ded43149b1b5250035843d06500b729f011c3289ccc7 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Fnxmdsfxyeyva\ddb17e46 = f091744cda62fd5370c054878cec9651 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Fnxmdsfxyeyva\674c395f = 98b0d354bebad2d4d76553e6ff4b554242b4bfa0f40d0628955bcc7b4908b9b3a7ea1c2b2b26b99b9eb5cfd6a505265255a00d532aab6668c833df048aa4c742ab3e88a9be856f468c75 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Fnxmdsfxyeyva\ea6f8e74 = e1d19e22676259a7891f764a96775e50b6ecb71a7a48e0f32746f74a722b556bbe7d53e13487d643c3e770c309c4d54d282d47f61640653db0e1408b8dd10d45a4fedf38 explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exeregsvr32.exepid process 2620 rundll32.exe 2620 rundll32.exe 3144 regsvr32.exe 3144 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 2620 rundll32.exe 3144 regsvr32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 2428 wrote to memory of 2620 2428 rundll32.exe rundll32.exe PID 2428 wrote to memory of 2620 2428 rundll32.exe rundll32.exe PID 2428 wrote to memory of 2620 2428 rundll32.exe rundll32.exe PID 2620 wrote to memory of 2732 2620 rundll32.exe explorer.exe PID 2620 wrote to memory of 2732 2620 rundll32.exe explorer.exe PID 2620 wrote to memory of 2732 2620 rundll32.exe explorer.exe PID 2620 wrote to memory of 2732 2620 rundll32.exe explorer.exe PID 2620 wrote to memory of 2732 2620 rundll32.exe explorer.exe PID 2732 wrote to memory of 3484 2732 explorer.exe schtasks.exe PID 2732 wrote to memory of 3484 2732 explorer.exe schtasks.exe PID 2732 wrote to memory of 3484 2732 explorer.exe schtasks.exe PID 1308 wrote to memory of 3144 1308 regsvr32.exe regsvr32.exe PID 1308 wrote to memory of 3144 1308 regsvr32.exe regsvr32.exe PID 1308 wrote to memory of 3144 1308 regsvr32.exe regsvr32.exe PID 3144 wrote to memory of 1352 3144 regsvr32.exe explorer.exe PID 3144 wrote to memory of 1352 3144 regsvr32.exe explorer.exe PID 3144 wrote to memory of 1352 3144 regsvr32.exe explorer.exe PID 3144 wrote to memory of 1352 3144 regsvr32.exe explorer.exe PID 3144 wrote to memory of 1352 3144 regsvr32.exe explorer.exe PID 1352 wrote to memory of 8 1352 explorer.exe reg.exe PID 1352 wrote to memory of 8 1352 explorer.exe reg.exe PID 1352 wrote to memory of 2300 1352 explorer.exe reg.exe PID 1352 wrote to memory of 2300 1352 explorer.exe reg.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b008ec2be96eda36cbe241413ffcbc96.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b008ec2be96eda36cbe241413ffcbc96.dll,#12⤵
- 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 cgbnqia /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\b008ec2be96eda36cbe241413ffcbc96.dll\"" /SC ONCE /Z /ST 15:20 /ET 15:324⤵
- Creates scheduled task(s)
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\??\c:\windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\b008ec2be96eda36cbe241413ffcbc96.dll"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\b008ec2be96eda36cbe241413ffcbc96.dll"2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exeC:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Ubvaepmsu" /d "0"4⤵
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C:\Windows\system32\reg.exeC:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Aarirj" /d "0"4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\b008ec2be96eda36cbe241413ffcbc96.dllMD5
b008ec2be96eda36cbe241413ffcbc96
SHA15bce500b0916f0d668ff8dca8564c9195361a48e
SHA25614da506c629f1046dcd6cd3f21080ae8886c15b5027a555c61219aec2911eca8
SHA51256ee477d0a107f93dc79b0779ee27a90a730bcc0c9859e2cc456b4663134f944c550c6bf0823ceea053b8f22e728cf68468de854bce683375dcd2ba4b71be6c0
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\??\PIPE\wkssvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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\Users\Admin\AppData\Local\Temp\b008ec2be96eda36cbe241413ffcbc96.dllMD5
b008ec2be96eda36cbe241413ffcbc96
SHA15bce500b0916f0d668ff8dca8564c9195361a48e
SHA25614da506c629f1046dcd6cd3f21080ae8886c15b5027a555c61219aec2911eca8
SHA51256ee477d0a107f93dc79b0779ee27a90a730bcc0c9859e2cc456b4663134f944c550c6bf0823ceea053b8f22e728cf68468de854bce683375dcd2ba4b71be6c0
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memory/8-132-0x0000000000000000-mapping.dmp
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memory/1352-130-0x0000000000000000-mapping.dmp
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memory/1352-136-0x0000000003120000-0x0000000003141000-memory.dmpFilesize
132KB
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memory/2300-133-0x0000000000000000-mapping.dmp
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memory/2620-118-0x0000000000F30000-0x0000000000F31000-memory.dmpFilesize
4KB
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memory/2620-115-0x0000000000000000-mapping.dmp
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memory/2620-117-0x0000000074290000-0x0000000074335000-memory.dmpFilesize
660KB
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memory/2620-116-0x0000000074290000-0x00000000742B1000-memory.dmpFilesize
132KB
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memory/2732-123-0x0000000000800000-0x0000000000821000-memory.dmpFilesize
132KB
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memory/2732-119-0x0000000000000000-mapping.dmp
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memory/3144-125-0x0000000000000000-mapping.dmp
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memory/3144-129-0x00000000030D0000-0x00000000030D1000-memory.dmpFilesize
4KB
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memory/3144-128-0x0000000072FB0000-0x0000000073055000-memory.dmpFilesize
660KB
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memory/3144-127-0x0000000072FB0000-0x0000000072FD1000-memory.dmpFilesize
132KB
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memory/3484-120-0x0000000000000000-mapping.dmp