Analysis
-
max time kernel
134s -
max time network
72s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
30-09-2021 20:19
Static task
static1
Behavioral task
behavioral1
Sample
35415fc5e06b30296d0c00efb26499351fe0791989c0d51b50508d59a56aa6ed.dll
Resource
win7-en-20210920
General
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Target
35415fc5e06b30296d0c00efb26499351fe0791989c0d51b50508d59a56aa6ed.dll
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Size
582KB
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MD5
f321ac4493ee1d8b969df04caf5d8156
-
SHA1
5d5ebb381b85bed1f3c63320225505b4573d9d26
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SHA256
35415fc5e06b30296d0c00efb26499351fe0791989c0d51b50508d59a56aa6ed
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SHA512
5bd940240327ae01ba6d4ba5701838574ee93d3b4371876c4379ee43598cb467604b2f1bdaa2ee3acd4b6791f19e7815d3f4ccb6219d75df7c762d5e77bf63e0
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 1020 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qecxkooqb explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qecxkooqb\6dd47dff = f5a828aa5610e0da24fd94842e12d62d8c48f290680684d164f790113d72da5d93b7d9120ff1d53a6e147e5b3e529c35bb6b195df2b168f2ff268bf4c0a79cdc71d521e457 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qecxkooqb\a8605510 = 70ca59fb35cf1a5a1414a2d9a717dc8fd111adbcca4a83a4cbd51f9ee215d1c5fcbf3e73fb46e9afd94cf3ebe7474abf47fde9ca491df11fe67815e15a27d8c2e8033559cfeb15c45a74ecdda06315fd6fe5ae4d3557665ec3d5e0d63a5ce571b423d64168 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qecxkooqb\d5681a9a = da56a3b7ed4dc86ca6492673f21403f44024ca4a4cef9b36f874824991b8737a6c1a80f0b3b02f3307144e384ff06f26 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qecxkooqb\aa21756c = 937bcbb7877551947ecdd87a76d237a6f8209ebe62c4ea11387f6564da965ccc40a5e07ddfd9ddecad696620d7fd095c6cdd8f57f586f5333b726b348413e473643257942a explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qecxkooqb\584badb1 = 338f89a7a5c6888604afbfa447b71e9468a1f572f8f5294862a041b5b40b710fd7d508aa1760788bfd7fb9d159e0decf0f51afcbf3dbf5986b0be4559f099b5d34b55d3bd2b0552ff56356bb7ae4dc380fb59236 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qecxkooqb\2702c247 = 006ba1f17817dd7a3fab4c30cde974dd017961f8077a4bb104448171039b62fabd1dba7c5f95937d38dde6c69164c434c1b7ad15 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qecxkooqb\2702c247 = 006bb6f17817e88fee7fd09645ff59f800c2a946b694dc283a32f123c0ecfe explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qecxkooqb\129d1209 = 0eb4d6ed468e6c4aef2592a88cf316b88ac8385bb965223ab4044b21ed5627a8c0ac00694e82da9522aa22e7ed1aa8b2a7ca3fd88a5fa843b6c677570cc41afa73a7fc7a419c56c096e39321e109d9a610f4f368c95565d9c743a175626201931a0c5aa8db675a21f1cc2001d26c251af7d9c4a0e84c20a9893eaa6e1d6f586e08ed6e34e24cd927b4e66b436c6a7b8876b7b601f13566fd1089c94d8aa47470efa0eb123cc09f743bb84703a55ae0fac60e609efb9fa7 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qecxkooqb\10dc3275 = 35fa5a6df59fc6d5509dd6d5379c79a91a40671118067a99aa78765d760acc55a86b8e0a19cc explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exeregsvr32.exepid process 836 rundll32.exe 836 rundll32.exe 1020 regsvr32.exe 1020 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 836 rundll32.exe 1020 regsvr32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 664 wrote to memory of 836 664 rundll32.exe rundll32.exe PID 664 wrote to memory of 836 664 rundll32.exe rundll32.exe PID 664 wrote to memory of 836 664 rundll32.exe rundll32.exe PID 836 wrote to memory of 364 836 rundll32.exe explorer.exe PID 836 wrote to memory of 364 836 rundll32.exe explorer.exe PID 836 wrote to memory of 364 836 rundll32.exe explorer.exe PID 836 wrote to memory of 364 836 rundll32.exe explorer.exe PID 836 wrote to memory of 364 836 rundll32.exe explorer.exe PID 364 wrote to memory of 1108 364 explorer.exe schtasks.exe PID 364 wrote to memory of 1108 364 explorer.exe schtasks.exe PID 364 wrote to memory of 1108 364 explorer.exe schtasks.exe PID 3356 wrote to memory of 1020 3356 regsvr32.exe regsvr32.exe PID 3356 wrote to memory of 1020 3356 regsvr32.exe regsvr32.exe PID 3356 wrote to memory of 1020 3356 regsvr32.exe regsvr32.exe PID 1020 wrote to memory of 3944 1020 regsvr32.exe explorer.exe PID 1020 wrote to memory of 3944 1020 regsvr32.exe explorer.exe PID 1020 wrote to memory of 3944 1020 regsvr32.exe explorer.exe PID 1020 wrote to memory of 3944 1020 regsvr32.exe explorer.exe PID 1020 wrote to memory of 3944 1020 regsvr32.exe explorer.exe PID 3944 wrote to memory of 3036 3944 explorer.exe reg.exe PID 3944 wrote to memory of 3036 3944 explorer.exe reg.exe PID 3944 wrote to memory of 3844 3944 explorer.exe reg.exe PID 3944 wrote to memory of 3844 3944 explorer.exe reg.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\35415fc5e06b30296d0c00efb26499351fe0791989c0d51b50508d59a56aa6ed.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\35415fc5e06b30296d0c00efb26499351fe0791989c0d51b50508d59a56aa6ed.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 apvyglrluz /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\35415fc5e06b30296d0c00efb26499351fe0791989c0d51b50508d59a56aa6ed.dll\"" /SC ONCE /Z /ST 22:21 /ET 22:334⤵
- Creates scheduled task(s)
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\??\c:\windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\35415fc5e06b30296d0c00efb26499351fe0791989c0d51b50508d59a56aa6ed.dll"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\35415fc5e06b30296d0c00efb26499351fe0791989c0d51b50508d59a56aa6ed.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\Dolifozec" /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\Oukdchpcb" /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\35415fc5e06b30296d0c00efb26499351fe0791989c0d51b50508d59a56aa6ed.dllMD5
f321ac4493ee1d8b969df04caf5d8156
SHA15d5ebb381b85bed1f3c63320225505b4573d9d26
SHA25635415fc5e06b30296d0c00efb26499351fe0791989c0d51b50508d59a56aa6ed
SHA5125bd940240327ae01ba6d4ba5701838574ee93d3b4371876c4379ee43598cb467604b2f1bdaa2ee3acd4b6791f19e7815d3f4ccb6219d75df7c762d5e77bf63e0
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\Users\Admin\AppData\Local\Temp\35415fc5e06b30296d0c00efb26499351fe0791989c0d51b50508d59a56aa6ed.dllMD5
f321ac4493ee1d8b969df04caf5d8156
SHA15d5ebb381b85bed1f3c63320225505b4573d9d26
SHA25635415fc5e06b30296d0c00efb26499351fe0791989c0d51b50508d59a56aa6ed
SHA5125bd940240327ae01ba6d4ba5701838574ee93d3b4371876c4379ee43598cb467604b2f1bdaa2ee3acd4b6791f19e7815d3f4ccb6219d75df7c762d5e77bf63e0
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memory/364-118-0x0000000000000000-mapping.dmp
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memory/364-122-0x0000000002780000-0x00000000027A1000-memory.dmpFilesize
132KB
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memory/836-114-0x0000000000000000-mapping.dmp
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memory/836-116-0x0000000073650000-0x00000000736F5000-memory.dmpFilesize
660KB
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memory/836-115-0x0000000073650000-0x0000000073671000-memory.dmpFilesize
132KB
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memory/836-117-0x00000000007E0000-0x00000000007E1000-memory.dmpFilesize
4KB
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memory/1020-124-0x0000000000000000-mapping.dmp
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memory/1020-126-0x0000000072370000-0x0000000072391000-memory.dmpFilesize
132KB
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memory/1020-127-0x0000000072370000-0x0000000072415000-memory.dmpFilesize
660KB
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memory/1020-128-0x0000000002BE0000-0x0000000002BE1000-memory.dmpFilesize
4KB
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memory/1108-119-0x0000000000000000-mapping.dmp
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memory/3036-130-0x0000000000000000-mapping.dmp
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memory/3844-131-0x0000000000000000-mapping.dmp
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memory/3944-129-0x0000000000000000-mapping.dmp
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memory/3944-134-0x0000000002780000-0x00000000027A1000-memory.dmpFilesize
132KB