Analysis
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max time kernel
131s -
max time network
119s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
14-12-2021 12:00
Static task
static1
Behavioral task
behavioral1
Sample
186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll
Resource
win7-en-20211208
General
-
Target
186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll
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Size
825KB
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MD5
3142cbf3b97b301f787b5dfdde5e4b62
-
SHA1
d5c85a79f8afbaf828538e1544abcdf254cb2c6a
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SHA256
186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc
-
SHA512
1b0c8ec21f42b5ca2cb7ab3a3b66c139c0a807c4cf399f4649f21f27913f351c04cb4676b37d7de5fe93bbca02119103d4b510ef6cfd819492292af4db5da0d7
Malware Config
Extracted
qakbot
403.10
cullinan
1639333530
65.100.174.110:443
173.21.10.71:2222
140.82.49.12:443
190.73.3.148:2222
76.25.142.196:443
71.74.12.34:443
31.215.98.160:443
93.48.80.198:995
45.9.20.200:2211
41.228.22.180:443
109.12.111.14:443
63.143.92.99:995
120.150.218.241:995
94.60.254.81:443
86.148.6.51:443
218.101.110.3:995
216.238.71.31:443
207.246.112.221:443
216.238.72.121:443
216.238.71.31:995
207.246.112.221:995
216.238.72.121:995
186.64.87.195:443
73.151.236.31:443
78.191.12.29:995
67.165.206.193:993
68.186.192.69:443
65.100.174.110:8443
89.137.52.44:443
75.188.35.168:995
105.198.236.99:995
182.176.180.73:443
103.142.10.177:443
136.232.34.70:443
68.204.7.158:443
27.223.92.142:995
102.65.38.67:443
189.175.200.244:80
100.1.119.41:443
73.140.38.124:443
73.171.4.177:443
89.101.97.139:443
24.229.150.54:995
72.252.201.34:995
39.49.44.85:995
2.222.167.138:443
96.37.113.36:993
117.248.109.38:21
39.43.130.50:995
75.169.58.229:32100
24.55.112.61:443
27.5.4.111:2222
197.89.144.207:443
73.5.119.219:443
136.143.11.232:443
86.98.36.211:443
106.220.76.130:443
129.208.139.229:995
45.46.53.140:2222
190.229.210.128:465
91.178.126.51:995
189.18.181.24:995
185.53.147.51:443
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salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures
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Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1196 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\Zksofaa\9d2dc343 = e057dcfbd6791a1b768544c81e559f71625ff07cabb55ac6e17975f437057a3405ca9b9f362abe2ba7ce395473b10a968535135220cdcc822d61a8ecc1e836c4aafb3dbf6fa120eb0b3fc4cd470a543b5d00c8372196dce08b030d83224630b166910299fc52fd274df426f319e0b468e08098633a12ae37bd78132d11ddaf0694b3f4eac136f48383df explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Zksofaa\9f6ce33f = d518f7eb4d9673bfe8b026c85b6621659b2c2638d6c686ed9c0b5b8d5894a6c722ff96670931a2f71a3801da9cee03 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Zksofaa\27d0845a = 5f504569ed37b11b675e5f11987949ed0b9e9c62dfa0ab4d6598acfee47e543e39e8b0e18d32c05ebf2753085ba916bc1c3e6e704e7e0c84a10da202ae explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Zksofaa\e264acb5 = 029e22085ded5b00f2e9f358a46ef684dc110ab4dac26c51642d435ecaf0157ffe778ea538a181e10455c3ca952d88 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Zksofaa\d7fb7cfb = f89de7891dc6141d09ddfce2ad5e9e39bd9a8fb3f82bb7a5898b explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Zksofaa\a8b2130d = 06db9a743410742ec83700e675abb54c2d6f981795b45466df7c347274d6f9768903da0fd2d185d4959fbb3dce73deb8a2b2ac5c643e75746f83bfaffa55a94ec282b1c1e2152619fb explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Zksofaa explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Zksofaa\5ad8cbd0 = 29a1acaf1f295c8ccb4256c3c1f163293f03 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Zksofaa\2591a426 = db7afdd91354aa04f9a4502480a87b5d586818d0c32014f6d92e990826b4e9d0fcdf3d841fb70196d0fc23c3cc3d77589262f66715724325c9fab392ce0795e2afd4e977c3afe944910335dfb68e4c26c1073b41ac7a2497d81af97abda7a8 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Zksofaa\a8b2130d = 06db8d74341041a0aba536e0aa7c696cc930e2bd3bcf45013afda9f8a5b8e1a752991609e487a8a5fff7850dfb9868bf51fc1a3c explorer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 1212 regsvr32.exe 1196 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 1212 regsvr32.exe 1196 regsvr32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
regsvr32.exeregsvr32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 832 wrote to memory of 1212 832 regsvr32.exe regsvr32.exe PID 832 wrote to memory of 1212 832 regsvr32.exe regsvr32.exe PID 832 wrote to memory of 1212 832 regsvr32.exe regsvr32.exe PID 832 wrote to memory of 1212 832 regsvr32.exe regsvr32.exe PID 832 wrote to memory of 1212 832 regsvr32.exe regsvr32.exe PID 832 wrote to memory of 1212 832 regsvr32.exe regsvr32.exe PID 832 wrote to memory of 1212 832 regsvr32.exe regsvr32.exe PID 1212 wrote to memory of 524 1212 regsvr32.exe explorer.exe PID 1212 wrote to memory of 524 1212 regsvr32.exe explorer.exe PID 1212 wrote to memory of 524 1212 regsvr32.exe explorer.exe PID 1212 wrote to memory of 524 1212 regsvr32.exe explorer.exe PID 1212 wrote to memory of 524 1212 regsvr32.exe explorer.exe PID 1212 wrote to memory of 524 1212 regsvr32.exe explorer.exe PID 524 wrote to memory of 1388 524 explorer.exe schtasks.exe PID 524 wrote to memory of 1388 524 explorer.exe schtasks.exe PID 524 wrote to memory of 1388 524 explorer.exe schtasks.exe PID 524 wrote to memory of 1388 524 explorer.exe schtasks.exe PID 1852 wrote to memory of 1692 1852 taskeng.exe regsvr32.exe PID 1852 wrote to memory of 1692 1852 taskeng.exe regsvr32.exe PID 1852 wrote to memory of 1692 1852 taskeng.exe regsvr32.exe PID 1852 wrote to memory of 1692 1852 taskeng.exe regsvr32.exe PID 1852 wrote to memory of 1692 1852 taskeng.exe regsvr32.exe PID 1692 wrote to memory of 1196 1692 regsvr32.exe regsvr32.exe PID 1692 wrote to memory of 1196 1692 regsvr32.exe regsvr32.exe PID 1692 wrote to memory of 1196 1692 regsvr32.exe regsvr32.exe PID 1692 wrote to memory of 1196 1692 regsvr32.exe regsvr32.exe PID 1692 wrote to memory of 1196 1692 regsvr32.exe regsvr32.exe PID 1692 wrote to memory of 1196 1692 regsvr32.exe regsvr32.exe PID 1692 wrote to memory of 1196 1692 regsvr32.exe regsvr32.exe PID 1196 wrote to memory of 1720 1196 regsvr32.exe explorer.exe PID 1196 wrote to memory of 1720 1196 regsvr32.exe explorer.exe PID 1196 wrote to memory of 1720 1196 regsvr32.exe explorer.exe PID 1196 wrote to memory of 1720 1196 regsvr32.exe explorer.exe PID 1196 wrote to memory of 1720 1196 regsvr32.exe explorer.exe PID 1196 wrote to memory of 1720 1196 regsvr32.exe explorer.exe PID 1720 wrote to memory of 1604 1720 explorer.exe reg.exe PID 1720 wrote to memory of 1604 1720 explorer.exe reg.exe PID 1720 wrote to memory of 1604 1720 explorer.exe reg.exe PID 1720 wrote to memory of 1604 1720 explorer.exe reg.exe PID 1720 wrote to memory of 1120 1720 explorer.exe reg.exe PID 1720 wrote to memory of 1120 1720 explorer.exe reg.exe PID 1720 wrote to memory of 1120 1720 explorer.exe reg.exe PID 1720 wrote to memory of 1120 1720 explorer.exe reg.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.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 dhgfbdex /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll\"" /SC ONCE /Z /ST 12:02 /ET 12:144⤵
- Creates scheduled task(s)
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C:\Windows\system32\taskeng.exetaskeng.exe {464865E1-346A-4A33-8EA3-28F1D2B62226} 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\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dll"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.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\Drzlasopmeis" /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\Cngheaejiay" /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\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dllMD5
3142cbf3b97b301f787b5dfdde5e4b62
SHA1d5c85a79f8afbaf828538e1544abcdf254cb2c6a
SHA256186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc
SHA5121b0c8ec21f42b5ca2cb7ab3a3b66c139c0a807c4cf399f4649f21f27913f351c04cb4676b37d7de5fe93bbca02119103d4b510ef6cfd819492292af4db5da0d7
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\??\PIPE\wkssvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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\Users\Admin\AppData\Local\Temp\186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc.dllMD5
3142cbf3b97b301f787b5dfdde5e4b62
SHA1d5c85a79f8afbaf828538e1544abcdf254cb2c6a
SHA256186b5f0acbf214a1f442530198f213e675de3cd908b33501b646a5f8494d1ecc
SHA5121b0c8ec21f42b5ca2cb7ab3a3b66c139c0a807c4cf399f4649f21f27913f351c04cb4676b37d7de5fe93bbca02119103d4b510ef6cfd819492292af4db5da0d7
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memory/524-64-0x00000000000C0000-0x00000000000E1000-memory.dmpFilesize
132KB
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memory/524-57-0x00000000000F0000-0x00000000000F2000-memory.dmpFilesize
8KB
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memory/524-58-0x0000000000000000-mapping.dmp
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memory/524-62-0x0000000074841000-0x0000000074843000-memory.dmpFilesize
8KB
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memory/832-54-0x000007FEFBE91000-0x000007FEFBE93000-memory.dmpFilesize
8KB
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memory/1120-78-0x0000000000000000-mapping.dmp
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memory/1196-68-0x0000000000000000-mapping.dmp
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memory/1212-61-0x0000000010000000-0x00000000100FA000-memory.dmpFilesize
1000KB
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memory/1212-60-0x00000000001D0000-0x00000000001D1000-memory.dmpFilesize
4KB
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memory/1212-56-0x0000000075891000-0x0000000075893000-memory.dmpFilesize
8KB
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memory/1212-55-0x0000000000000000-mapping.dmp
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memory/1388-63-0x0000000000000000-mapping.dmp
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memory/1604-76-0x0000000000000000-mapping.dmp
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memory/1692-65-0x0000000000000000-mapping.dmp
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memory/1720-72-0x0000000000000000-mapping.dmp
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memory/1720-77-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB