Analysis
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max time kernel
130s -
max time network
45s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
29-09-2021 16:35
Static task
static1
Behavioral task
behavioral1
Sample
unpacked_qbot.dll
Resource
win7-en-20210920
General
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Target
unpacked_qbot.dll
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Size
119KB
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MD5
bacea46a71135fa781914c7778029ee7
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SHA1
251efd0ade7526d59404e446971d9e4b617bce0a
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SHA256
0f64719ae1aeb82cb3bacd7846fb0980f0fa058db16aa0c604ab655478d34078
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SHA512
44a97253250fae932938b1e81f775b31cffc9c69be0d8a1ff3bca5ac866ae4c5d18b1885570fea82e83a362d848674525384f3f1dfdeaf2637184dd911e8b19a
Malware Config
Extracted
qakbot
402.343
tr
1632730751
95.77.223.148:443
47.22.148.6:443
89.101.97.139:443
27.223.92.142:995
120.151.47.189:443
136.232.34.70:443
120.150.218.241:995
185.250.148.74:443
181.118.183.94:443
140.82.49.12:443
67.165.206.193:993
103.148.120.144:443
71.74.12.34:443
76.25.142.196:443
73.151.236.31:443
173.21.10.71:2222
75.188.35.168:443
2.178.88.145:61202
71.80.168.245:443
45.46.53.140:2222
109.12.111.14:443
105.198.236.99:443
73.77.87.137:443
41.248.239.221:995
182.176.112.182:443
96.37.113.36:993
75.66.88.33:443
162.244.227.34:443
24.229.150.54:995
216.201.162.158:443
92.59.35.196:2222
196.218.227.241:995
24.139.72.117:443
68.207.102.78:443
72.252.201.69:443
2.188.27.77:443
177.130.82.197:2222
68.204.7.158:443
189.210.115.207:443
181.163.96.53:443
24.55.112.61:443
75.107.26.196:465
185.250.148.74:2222
68.186.192.69:443
24.152.219.253:995
50.29.166.232:995
Signatures
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Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 392 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\Lfbahxasir\ecdfce0e = 073021ea317d1d9773afeaa7ba3cc56803eecac48113e44205d8952d181e19dc4a91d850fefe6f8e607816baf6270f5c5422f8d75c2559c9821811f1979c6af1ab77c9bcdf9275e38609ca56a5cefed8cfb3952ebfc97b5ed231658a6387ad17a278e770fd708132d07b69c88bfa9c701b24e03cba4d9f109474c5f538a49717fc8f325ae8c51a94b00852621b54d245036e9331755434f8529dd4c8875af081204863ef06a617f76de5c1b45d7d5475393d19dc explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Lfbahxasir\56228917 = 676e81b70c37294599d06516dc507b18e662ebc79c3bf4c429b4e0576d20287c71145bc821b4139644f52cdbfa498bf68b6301d74a300dfaf9f8418f99da60ecd53f explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Lfbahxasir\2b2ac69d = 104cc3e8a902ed5ebc022bddffd5cfbd5685f313d05a69bdb2568fd2c7d82e170c089c6a6629582fddc96968ace6f84d69e5f9aef956c75a79c1741520d5a004af29b4f3 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Lfbahxasir\d9401e40 = e35493667ac670b6f026f489f0e3f4f44928f6149a5067ec3159d34cccccd137 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Lfbahxasir\d9401e40 = e35484667ac64500a73918 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Lfbahxasir\ee9eee72 = 45edd3afda5f21620ab98af44c763cefcab3647345c4ca8d4365799fab1cef2e789d414481a36590695d9f88875b3805ee85fd5bb6baa49414bff8b7003830ef57e0dcc0230034 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Lfbahxasir\9396a1f8 = d22f70ea55b5095a24b4c40ca41b681c8d5ce09fa4fc051a203d5b1816c93772a5f491de620d5c9166b4 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Lfbahxasir\5463a96b = fd2d1926d606f10f52a8f49b70b8e06f29b3e40a01fc07bb52fb27ffd106c058c4a2492f0c76b2a5bb50a9eb7d4826a57f59adbc3d664b1de656ee0b4c10b5d2886622b7af1d1f5aad977302c8b32034744e82a42e87d1fd3fdcf00099 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Lfbahxasir\a60971b6 = 2c9c623acb3a6121d3807a0dcce005095fa10a298b94e22f4faca7f0f9a0faf85a9a805ea3cc4ab8bd4182bb34f864b1 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Lfbahxasir explorer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 1488 regsvr32.exe 392 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 1488 regsvr32.exe 392 regsvr32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
regsvr32.exeregsvr32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 1364 wrote to memory of 1488 1364 regsvr32.exe regsvr32.exe PID 1364 wrote to memory of 1488 1364 regsvr32.exe regsvr32.exe PID 1364 wrote to memory of 1488 1364 regsvr32.exe regsvr32.exe PID 1364 wrote to memory of 1488 1364 regsvr32.exe regsvr32.exe PID 1364 wrote to memory of 1488 1364 regsvr32.exe regsvr32.exe PID 1364 wrote to memory of 1488 1364 regsvr32.exe regsvr32.exe PID 1364 wrote to memory of 1488 1364 regsvr32.exe regsvr32.exe PID 1488 wrote to memory of 1592 1488 regsvr32.exe explorer.exe PID 1488 wrote to memory of 1592 1488 regsvr32.exe explorer.exe PID 1488 wrote to memory of 1592 1488 regsvr32.exe explorer.exe PID 1488 wrote to memory of 1592 1488 regsvr32.exe explorer.exe PID 1488 wrote to memory of 1592 1488 regsvr32.exe explorer.exe PID 1488 wrote to memory of 1592 1488 regsvr32.exe explorer.exe PID 1592 wrote to memory of 788 1592 explorer.exe schtasks.exe PID 1592 wrote to memory of 788 1592 explorer.exe schtasks.exe PID 1592 wrote to memory of 788 1592 explorer.exe schtasks.exe PID 1592 wrote to memory of 788 1592 explorer.exe schtasks.exe PID 912 wrote to memory of 1812 912 taskeng.exe regsvr32.exe PID 912 wrote to memory of 1812 912 taskeng.exe regsvr32.exe PID 912 wrote to memory of 1812 912 taskeng.exe regsvr32.exe PID 912 wrote to memory of 1812 912 taskeng.exe regsvr32.exe PID 912 wrote to memory of 1812 912 taskeng.exe regsvr32.exe PID 1812 wrote to memory of 392 1812 regsvr32.exe regsvr32.exe PID 1812 wrote to memory of 392 1812 regsvr32.exe regsvr32.exe PID 1812 wrote to memory of 392 1812 regsvr32.exe regsvr32.exe PID 1812 wrote to memory of 392 1812 regsvr32.exe regsvr32.exe PID 1812 wrote to memory of 392 1812 regsvr32.exe regsvr32.exe PID 1812 wrote to memory of 392 1812 regsvr32.exe regsvr32.exe PID 1812 wrote to memory of 392 1812 regsvr32.exe regsvr32.exe PID 392 wrote to memory of 824 392 regsvr32.exe explorer.exe PID 392 wrote to memory of 824 392 regsvr32.exe explorer.exe PID 392 wrote to memory of 824 392 regsvr32.exe explorer.exe PID 392 wrote to memory of 824 392 regsvr32.exe explorer.exe PID 392 wrote to memory of 824 392 regsvr32.exe explorer.exe PID 392 wrote to memory of 824 392 regsvr32.exe explorer.exe PID 824 wrote to memory of 1920 824 explorer.exe reg.exe PID 824 wrote to memory of 1920 824 explorer.exe reg.exe PID 824 wrote to memory of 1920 824 explorer.exe reg.exe PID 824 wrote to memory of 1920 824 explorer.exe reg.exe PID 824 wrote to memory of 1328 824 explorer.exe reg.exe PID 824 wrote to memory of 1328 824 explorer.exe reg.exe PID 824 wrote to memory of 1328 824 explorer.exe reg.exe PID 824 wrote to memory of 1328 824 explorer.exe reg.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\unpacked_qbot.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\unpacked_qbot.dll2⤵
- 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 aypxdrddi /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\unpacked_qbot.dll\"" /SC ONCE /Z /ST 16:37 /ET 16:494⤵
- Creates scheduled task(s)
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C:\Windows\system32\taskeng.exetaskeng.exe {FE8EEC5D-3104-456A-9E04-4DF27D265AD7} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\unpacked_qbot.dll"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\unpacked_qbot.dll"3⤵
- 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.exe4⤵
- 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\Mipynv" /d "0"5⤵
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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\Dzwjsvzv" /d "0"5⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\unpacked_qbot.dllMD5
bacea46a71135fa781914c7778029ee7
SHA1251efd0ade7526d59404e446971d9e4b617bce0a
SHA2560f64719ae1aeb82cb3bacd7846fb0980f0fa058db16aa0c604ab655478d34078
SHA51244a97253250fae932938b1e81f775b31cffc9c69be0d8a1ff3bca5ac866ae4c5d18b1885570fea82e83a362d848674525384f3f1dfdeaf2637184dd911e8b19a
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\??\PIPE\wkssvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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\Users\Admin\AppData\Local\Temp\unpacked_qbot.dllMD5
bacea46a71135fa781914c7778029ee7
SHA1251efd0ade7526d59404e446971d9e4b617bce0a
SHA2560f64719ae1aeb82cb3bacd7846fb0980f0fa058db16aa0c604ab655478d34078
SHA51244a97253250fae932938b1e81f775b31cffc9c69be0d8a1ff3bca5ac866ae4c5d18b1885570fea82e83a362d848674525384f3f1dfdeaf2637184dd911e8b19a
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memory/392-65-0x0000000000000000-mapping.dmp
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memory/788-60-0x0000000000000000-mapping.dmp
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memory/824-68-0x0000000000000000-mapping.dmp
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memory/824-74-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB
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memory/1328-73-0x0000000000000000-mapping.dmp
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memory/1364-54-0x000007FEFC271000-0x000007FEFC273000-memory.dmpFilesize
8KB
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memory/1488-55-0x0000000000000000-mapping.dmp
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memory/1488-56-0x0000000075651000-0x0000000075653000-memory.dmpFilesize
8KB
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memory/1592-61-0x00000000000C0000-0x00000000000E1000-memory.dmpFilesize
132KB
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memory/1592-59-0x0000000074B71000-0x0000000074B73000-memory.dmpFilesize
8KB
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memory/1592-57-0x0000000000000000-mapping.dmp
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memory/1812-62-0x0000000000000000-mapping.dmp
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memory/1920-72-0x0000000000000000-mapping.dmp