Analysis
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max time kernel
121s -
max time network
126s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
21-12-2021 08:00
Static task
static1
Behavioral task
behavioral1
Sample
51d70923262547a309804afdc7bfae67b67132903d5ee6722cc940a1db1e2374.dll
Resource
win7-en-20211208
General
-
Target
51d70923262547a309804afdc7bfae67b67132903d5ee6722cc940a1db1e2374.dll
-
Size
680KB
-
MD5
3e447e7ca26f49af35e9318a64f144c4
-
SHA1
93ce18cf1e4fac9f13e00c478c0624d04f57bcf7
-
SHA256
51d70923262547a309804afdc7bfae67b67132903d5ee6722cc940a1db1e2374
-
SHA512
b0672c686de1a27aefab95227bd79e11d8e0542e393b59c1bf4ba1fd939f593c472f1121a618e74cbe96580bec347046064903c2aa1b3cfd93b0d8098cd1491e
Malware Config
Extracted
qakbot
403.10
cullinan
1639988898
32.221.229.7:443
140.82.49.12:443
24.152.219.253:995
182.56.99.126:443
76.169.147.192:32103
218.101.110.3:995
89.101.97.139:443
82.152.39.39:443
176.24.150.197:443
96.37.113.36:993
68.186.192.69:443
59.88.168.108:443
75.110.250.187:443
182.191.92.203:995
89.165.88.95:443
103.142.10.177:443
45.9.20.200:2211
24.95.61.62:443
194.36.28.26:443
78.101.82.198:2222
37.211.157.100:61202
70.163.1.219:443
31.215.99.73:443
103.143.8.71:6881
59.6.7.83:61200
63.153.187.104:443
14.96.79.22:61202
93.48.80.198:995
24.53.49.240:443
94.200.181.154:995
149.135.101.20:443
24.178.196.158:2222
209.210.95.228:32100
78.101.82.198:443
67.209.195.198:443
96.80.109.57:995
80.14.196.176:2222
38.70.253.226:2222
24.222.20.254:443
217.165.123.47:61200
74.15.2.252:2222
217.128.93.27:2222
102.65.38.67:443
190.73.3.148:2222
79.167.192.206:995
95.5.133.68:995
114.79.148.170:443
120.150.218.241:995
186.64.87.213:443
65.100.174.110:443
96.21.251.127:2222
136.232.34.70:443
63.143.92.99:995
136.143.11.232:443
39.49.27.10:995
111.125.245.116:995
41.228.22.180:443
217.164.247.241:2222
83.110.107.123:443
76.25.142.196:443
74.5.148.57:443
65.128.74.102:443
67.165.206.193:993
173.21.10.71:2222
71.74.12.34:443
94.60.254.81:443
23.233.146.92:443
73.151.236.31:443
79.160.207.214:443
213.120.26.24:443
89.137.52.44:443
75.188.35.168:443
109.12.111.14:443
106.51.48.170:50001
68.204.7.158:443
78.101.82.198:995
80.6.192.58:443
41.96.250.164:995
114.79.145.28:443
188.54.96.91:443
105.198.236.99:995
50.238.6.36:443
65.100.174.110:8443
70.51.134.181:2222
117.248.109.38:21
86.98.53.83:443
182.176.180.73:443
217.165.11.65:61200
103.143.8.71:995
50.237.134.22:995
187.189.86.168:443
100.1.119.41:443
2.178.67.97:61202
86.198.237.51:2222
88.253.171.236:995
73.171.4.177:443
40.134.247.125:995
72.252.201.34:995
190.39.205.165:443
187.172.146.123:443
92.167.4.71:2222
189.30.244.252:995
105.111.124.76:443
84.199.230.66:443
14.96.67.177:443
182.56.57.23:995
87.70.93.215:443
93.48.58.123:2222
73.5.119.219:443
75.169.58.229:32100
173.71.147.134:995
69.46.15.180:443
23.82.128.108:443
5.36.7.212:443
200.75.131.234:443
82.77.137.101:995
187.201.90.81:443
24.55.112.61:443
201.172.31.95:443
216.238.72.121:443
216.238.71.31:995
207.246.112.221:443
207.246.112.221:995
216.238.72.121:995
216.238.71.31:443
27.223.92.142:995
24.229.150.54:995
117.198.149.221:443
-
salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 2172 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\Iimufnqueeuloe\22fd7b88 = 6b1134d8a64d379fc82cbe1b0d289c1c9c71819a2007bcdb60c52245d8655bdd9b2a5098dfe02b2afc4ad213d4497bed5d7a596612d85ba319afeca29b40f8910967c0ff52a9793e4c2f23efe4ea6a49dca035da45fbf5e0972dcd9c57b06969300d14ab explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Iimufnqueeuloe\9a411ced = 0f4824378c1d504a34844de6454ab20da959550ddff81695e415029af934f331f1e3e67a8b550a87ce739cf796de7877d9a986caa4e9c2744d explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Iimufnqueeuloe\afdecca3 = 3fb8ef135c9d1ab60e1d04c853b9da9b875a50703e4fe67eccf23be2016f7f815ffa67af0450933e71a37819ab6a574f802b explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Iimufnqueeuloe explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Iimufnqueeuloe\d097a355 = fd5c72596b2cb7026f5486d1 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Iimufnqueeuloe\e7495367 = 5b8610084f33edadafbb625302e9361cf45d5b77480ce3fc1900ce4d2bb30e5049b63011f3d3bb77398524137a1722ebd3770a3ec486735d90347145533a2d95589c94e9179d65e0fb44530c81235a4b81b95eda08de9ebb6024a49eaadd32911c9ed9ab60bc5940c0 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Iimufnqueeuloe\d097a355 = fd5c65596b2c8230a587e379b110082cb7f271d7897340fa26819f4d357e6e5c7c explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Iimufnqueeuloe\e508731b = fe74f9d201a834ac353701044bea3b7f8cb7134162bb53b028a25a5aceac3ecfc61b1867abee8b05204661d2ebee2933466c489a46631b02cf3ee696fd914542c611c19f4d5193871a085b63b7efc7803b741b0b12455aec0f43810ea25b81a58e655370db21152fd08aadfade71cdcceffd123f12919bcab635a7b28116caeee9c4be2751b4ccabbabba5c31d9443b6807403744911fa74fe7618d48a54982e3eb15150f2568511c637232cd78ed0 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Iimufnqueeuloe\5ff53402 = 2d0257f51d3629ee95997e74c7f4d349cede9bab554060fda060f093b15ab25e83214f6c515b78bb5bfba927b5d4f072f4af1cf0 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Iimufnqueeuloe\5db4147e = abb4fff0e251fcfa5c7d27fd2354349bff898ca3315c5e2a6fc2fd010a76ff38d17a36c7dcb9df921753769d1e3742799029bd5401896367bb19358a2643b574c8b5dbbcb546a6eb60d51e16e822a77965495d7f5b1cd5d02e0134b142679f21272ed9ed2fddd0d7b2d696 explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 2808 regsvr32.exe 2808 regsvr32.exe 2172 regsvr32.exe 2172 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 2808 regsvr32.exe 2172 regsvr32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
regsvr32.exeregsvr32.exeexplorer.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 2776 wrote to memory of 2808 2776 regsvr32.exe regsvr32.exe PID 2776 wrote to memory of 2808 2776 regsvr32.exe regsvr32.exe PID 2776 wrote to memory of 2808 2776 regsvr32.exe regsvr32.exe PID 2808 wrote to memory of 1864 2808 regsvr32.exe explorer.exe PID 2808 wrote to memory of 1864 2808 regsvr32.exe explorer.exe PID 2808 wrote to memory of 1864 2808 regsvr32.exe explorer.exe PID 2808 wrote to memory of 1864 2808 regsvr32.exe explorer.exe PID 2808 wrote to memory of 1864 2808 regsvr32.exe explorer.exe PID 1864 wrote to memory of 2708 1864 explorer.exe schtasks.exe PID 1864 wrote to memory of 2708 1864 explorer.exe schtasks.exe PID 1864 wrote to memory of 2708 1864 explorer.exe schtasks.exe PID 1224 wrote to memory of 2172 1224 regsvr32.exe regsvr32.exe PID 1224 wrote to memory of 2172 1224 regsvr32.exe regsvr32.exe PID 1224 wrote to memory of 2172 1224 regsvr32.exe regsvr32.exe PID 2172 wrote to memory of 2700 2172 regsvr32.exe explorer.exe PID 2172 wrote to memory of 2700 2172 regsvr32.exe explorer.exe PID 2172 wrote to memory of 2700 2172 regsvr32.exe explorer.exe PID 2172 wrote to memory of 2700 2172 regsvr32.exe explorer.exe PID 2172 wrote to memory of 2700 2172 regsvr32.exe explorer.exe PID 2700 wrote to memory of 1572 2700 explorer.exe reg.exe PID 2700 wrote to memory of 1572 2700 explorer.exe reg.exe PID 2700 wrote to memory of 604 2700 explorer.exe reg.exe PID 2700 wrote to memory of 604 2700 explorer.exe reg.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\51d70923262547a309804afdc7bfae67b67132903d5ee6722cc940a1db1e2374.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\51d70923262547a309804afdc7bfae67b67132903d5ee6722cc940a1db1e2374.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 cofvzcp /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\51d70923262547a309804afdc7bfae67b67132903d5ee6722cc940a1db1e2374.dll\"" /SC ONCE /Z /ST 09:02 /ET 09:144⤵
- Creates scheduled task(s)
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\??\c:\windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\51d70923262547a309804afdc7bfae67b67132903d5ee6722cc940a1db1e2374.dll"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\51d70923262547a309804afdc7bfae67b67132903d5ee6722cc940a1db1e2374.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\Aqomyzsabi" /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\Iuuzlagowi" /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\51d70923262547a309804afdc7bfae67b67132903d5ee6722cc940a1db1e2374.dllMD5
3e447e7ca26f49af35e9318a64f144c4
SHA193ce18cf1e4fac9f13e00c478c0624d04f57bcf7
SHA25651d70923262547a309804afdc7bfae67b67132903d5ee6722cc940a1db1e2374
SHA512b0672c686de1a27aefab95227bd79e11d8e0542e393b59c1bf4ba1fd939f593c472f1121a618e74cbe96580bec347046064903c2aa1b3cfd93b0d8098cd1491e
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\Users\Admin\AppData\Local\Temp\51d70923262547a309804afdc7bfae67b67132903d5ee6722cc940a1db1e2374.dllMD5
3e447e7ca26f49af35e9318a64f144c4
SHA193ce18cf1e4fac9f13e00c478c0624d04f57bcf7
SHA25651d70923262547a309804afdc7bfae67b67132903d5ee6722cc940a1db1e2374
SHA512b0672c686de1a27aefab95227bd79e11d8e0542e393b59c1bf4ba1fd939f593c472f1121a618e74cbe96580bec347046064903c2aa1b3cfd93b0d8098cd1491e
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memory/604-127-0x0000000000000000-mapping.dmp
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memory/1572-126-0x0000000000000000-mapping.dmp
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memory/1864-118-0x0000000000000000-mapping.dmp
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memory/1864-120-0x0000000000FA0000-0x0000000000FA1000-memory.dmpFilesize
4KB
-
memory/1864-121-0x00000000009B0000-0x00000000009D1000-memory.dmpFilesize
132KB
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memory/2172-123-0x0000000000000000-mapping.dmp
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memory/2700-125-0x0000000000000000-mapping.dmp
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memory/2700-128-0x0000000001070000-0x0000000001071000-memory.dmpFilesize
4KB
-
memory/2700-129-0x0000000001070000-0x0000000001071000-memory.dmpFilesize
4KB
-
memory/2700-130-0x0000000000B80000-0x0000000000BA1000-memory.dmpFilesize
132KB
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memory/2708-119-0x0000000000000000-mapping.dmp
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memory/2808-115-0x0000000000000000-mapping.dmp
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memory/2808-116-0x0000000000F40000-0x0000000000F41000-memory.dmpFilesize
4KB
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memory/2808-117-0x0000000010000000-0x000000001010D000-memory.dmpFilesize
1.1MB