Analysis
-
max time kernel
134s -
max time network
121s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
25-01-2022 12:27
Static task
static1
Behavioral task
behavioral1
Sample
uxx2.dll
Resource
win7-en-20211208
General
-
Target
uxx2.dll
-
Size
1.1MB
-
MD5
493b54891af3806ba822d1c72cdc37d1
-
SHA1
f832e298fc46a66b438c10cfa7576c76d7861594
-
SHA256
43333402718b0a8673c5e813b4b5491e93c1e340e5bcfa88f0d245f1b6b5ff0e
-
SHA512
c0d84a0b1ed6d2f50dc30f6594c22326d0f45dcf886f23d63d1eaaf6f546fd67f9a9475b0f21c18c5b4705631fceb93c44f5c3041e8f70614a3f07d770c7eb35
Malware Config
Extracted
qakbot
403.10
tr
1643025272
103.143.8.71:6881
37.210.172.200:2222
136.143.11.232:443
190.73.3.148:2222
78.101.147.76:61202
82.152.39.39:443
65.100.174.110:995
65.100.174.110:443
111.125.245.116:995
117.248.109.38:21
31.215.99.178:443
103.142.10.177:443
39.49.110.129:995
86.97.246.244:1194
68.204.7.158:443
217.128.93.27:2222
144.86.28.125:443
94.59.253.222:2222
120.150.218.241:995
185.249.85.209:443
69.14.172.24:443
94.200.181.154:995
182.191.92.203:995
24.95.61.62:443
86.97.246.244:2222
89.137.52.44:443
70.163.1.219:443
220.255.25.1:2222
24.178.196.158:2222
103.139.242.30:993
96.80.109.57:995
209.210.95.228:32100
180.233.150.134:995
149.135.101.20:443
38.70.253.226:2222
24.222.20.254:443
83.110.2.97:443
78.87.44.54:995
86.108.46.251:443
74.15.2.252:2222
102.65.38.67:443
37.203.225.248:443
75.139.7.190:2083
24.53.49.240:443
80.14.196.176:2222
94.60.254.81:443
86.98.32.228:443
130.164.129.3:443
176.67.56.94:443
31.167.160.170:443
31.35.28.29:443
32.221.231.1:443
71.74.12.34:443
96.21.251.127:2222
41.86.42.158:995
41.228.22.180:443
93.48.80.198:995
45.9.20.200:443
86.98.47.119:61200
96.246.158.154:995
89.114.156.182:995
67.209.195.198:443
75.156.151.34:443
89.101.97.139:443
182.56.101.61:443
128.106.122.39:443
31.215.226.115:2222
76.25.142.196:443
173.21.10.71:2222
142.186.63.108:2222
60.54.102.15:443
73.151.236.31:443
73.136.32.202:443
5.32.41.46:443
78.180.191.206:995
109.12.111.14:443
40.134.247.125:995
31.215.99.6:443
217.164.76.107:2078
80.6.192.58:443
63.143.92.99:995
27.5.4.194:2078
86.133.23.70:443
116.86.26.140:995
90.8.56.248:2222
101.50.120.112:995
67.165.206.193:993
100.1.119.41:443
31.215.29.238:443
186.64.87.207:443
190.206.211.182:443
218.101.110.3:995
103.139.242.30:990
136.232.34.70:443
73.67.152.98:2222
47.158.25.67:443
187.189.86.168:443
72.252.201.34:995
72.252.201.34:990
70.51.153.245:2222
108.4.67.252:443
70.45.174.173:443
72.252.201.34:993
217.165.109.189:32101
114.79.148.170:443
197.89.105.165:443
182.176.180.73:443
75.188.35.168:443
27.223.92.142:995
200.75.131.234:443
71.163.110.53:995
75.168.192.223:2222
107.77.232.51:443
201.172.31.135:80
83.110.98.231:995
96.37.113.36:993
78.191.27.236:995
78.96.235.245:443
23.229.117.237:443
91.185.131.89:61202
76.169.147.192:32103
114.143.84.25:61202
92.98.33.251:995
23.233.146.92:443
75.169.58.229:32100
184.100.174.73:443
50.237.134.22:995
36.234.184.238:995
65.100.174.110:8443
59.12.216.39:443
103.139.242.30:22
190.45.79.111:443
176.24.150.197:443
106.51.48.170:50001
111.119.252.178:995
73.59.201.174:443
-
salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1836 regsvr32.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Modifies data under HKEY_USERS 10 IoCs
Processes:
explorer.exedescription ioc process Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Huiaepyui\866e4c9e = a13475ddb26e47158e55179f5c8b9d15092efa5622b5f2aedaeeb70d35814a44137e7ba9ed3ba8fe711b91a0c87a26fb5ca1c150b7526518cdbb4ea9136043c7ff07961de301cccc8333eb85f406e667c0b7c259b857cba66803bfafc03ff4256d14ac25111242e748aac897a44c22dc50b143f18a43df62ebb57e explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Huiaepyui\842f6ce2 = a3aabea06914e7cc499e75da6b573d8a6d1c235e explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Huiaepyui\ccb8f326 = b7848a5d496ee5e64e1cc203ecb731132b46c3af1c97ca5610bfca502c4bcf243b3bf482f506f17a26d5247b5ff2c6a4e73f2d76a93bd251bd24e3cef5174fc60cc1d01c514f8c3ebbd2a2cb892afdb789bb48c9b01454ae78869329bb9aa5001f explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Huiaepyui explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Huiaepyui\b3f19cd0 = 0e418dfedddafde84eaa explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Huiaepyui\f9272368 = 64736384f5963ef5b014b4e0cc8bc8dfecc6ef6488fbd61722c264 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Huiaepyui\3ed22bfb = 33621dce322bbac893aa5722899641f9c52f01c5f2bb0029460e43f851c5777a16ea6e2577d39ccb5b327cdeb2ea3691c16c7825294ac404e0 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Huiaepyui\b3f19cd0 = 0e419afedddac8c96f4dfbb54931f8fcb396e72b4b4fcaca1dc9dbc9e72151 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Huiaepyui\3c930b87 = bfd7d6a34d447f2ed77bdae5eface748f17b919054c1ab3987bc5ac646ba29f25b650ca745656a082228e7a62710ebc668bf055e2b7436026f6919d1b63390f11f0e4e8308e741e07430973a424eb0e6 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Huiaepyui\419b440d = fa4175ee743906cbeff4e125ddda85c147e629955d84d6c51661 explorer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 1576 regsvr32.exe 1836 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 1576 regsvr32.exe 1836 regsvr32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
regsvr32.exeregsvr32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 1600 wrote to memory of 1576 1600 regsvr32.exe regsvr32.exe PID 1600 wrote to memory of 1576 1600 regsvr32.exe regsvr32.exe PID 1600 wrote to memory of 1576 1600 regsvr32.exe regsvr32.exe PID 1600 wrote to memory of 1576 1600 regsvr32.exe regsvr32.exe PID 1600 wrote to memory of 1576 1600 regsvr32.exe regsvr32.exe PID 1600 wrote to memory of 1576 1600 regsvr32.exe regsvr32.exe PID 1600 wrote to memory of 1576 1600 regsvr32.exe regsvr32.exe PID 1576 wrote to memory of 320 1576 regsvr32.exe explorer.exe PID 1576 wrote to memory of 320 1576 regsvr32.exe explorer.exe PID 1576 wrote to memory of 320 1576 regsvr32.exe explorer.exe PID 1576 wrote to memory of 320 1576 regsvr32.exe explorer.exe PID 1576 wrote to memory of 320 1576 regsvr32.exe explorer.exe PID 1576 wrote to memory of 320 1576 regsvr32.exe explorer.exe PID 320 wrote to memory of 668 320 explorer.exe schtasks.exe PID 320 wrote to memory of 668 320 explorer.exe schtasks.exe PID 320 wrote to memory of 668 320 explorer.exe schtasks.exe PID 320 wrote to memory of 668 320 explorer.exe schtasks.exe PID 1152 wrote to memory of 736 1152 taskeng.exe regsvr32.exe PID 1152 wrote to memory of 736 1152 taskeng.exe regsvr32.exe PID 1152 wrote to memory of 736 1152 taskeng.exe regsvr32.exe PID 1152 wrote to memory of 736 1152 taskeng.exe regsvr32.exe PID 1152 wrote to memory of 736 1152 taskeng.exe regsvr32.exe PID 736 wrote to memory of 1836 736 regsvr32.exe regsvr32.exe PID 736 wrote to memory of 1836 736 regsvr32.exe regsvr32.exe PID 736 wrote to memory of 1836 736 regsvr32.exe regsvr32.exe PID 736 wrote to memory of 1836 736 regsvr32.exe regsvr32.exe PID 736 wrote to memory of 1836 736 regsvr32.exe regsvr32.exe PID 736 wrote to memory of 1836 736 regsvr32.exe regsvr32.exe PID 736 wrote to memory of 1836 736 regsvr32.exe regsvr32.exe PID 1836 wrote to memory of 832 1836 regsvr32.exe explorer.exe PID 1836 wrote to memory of 832 1836 regsvr32.exe explorer.exe PID 1836 wrote to memory of 832 1836 regsvr32.exe explorer.exe PID 1836 wrote to memory of 832 1836 regsvr32.exe explorer.exe PID 1836 wrote to memory of 832 1836 regsvr32.exe explorer.exe PID 1836 wrote to memory of 832 1836 regsvr32.exe explorer.exe PID 832 wrote to memory of 992 832 explorer.exe reg.exe PID 832 wrote to memory of 992 832 explorer.exe reg.exe PID 832 wrote to memory of 992 832 explorer.exe reg.exe PID 832 wrote to memory of 992 832 explorer.exe reg.exe PID 832 wrote to memory of 972 832 explorer.exe reg.exe PID 832 wrote to memory of 972 832 explorer.exe reg.exe PID 832 wrote to memory of 972 832 explorer.exe reg.exe PID 832 wrote to memory of 972 832 explorer.exe reg.exe
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\uxx2.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\uxx2.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 fkztyte /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\uxx2.dll\"" /SC ONCE /Z /ST 12:29 /ET 12:414⤵
- Creates scheduled task(s)
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C:\Windows\system32\taskeng.exetaskeng.exe {AF45F83F-0AB0-47A7-BA32-80BB1A62E4F3} 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\uxx2.dll"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\uxx2.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\Brqyzmen" /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\Xauum" /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\uxx2.dllMD5
493b54891af3806ba822d1c72cdc37d1
SHA1f832e298fc46a66b438c10cfa7576c76d7861594
SHA25643333402718b0a8673c5e813b4b5491e93c1e340e5bcfa88f0d245f1b6b5ff0e
SHA512c0d84a0b1ed6d2f50dc30f6594c22326d0f45dcf886f23d63d1eaaf6f546fd67f9a9475b0f21c18c5b4705631fceb93c44f5c3041e8f70614a3f07d770c7eb35
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\??\PIPE\wkssvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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\Users\Admin\AppData\Local\Temp\uxx2.dllMD5
493b54891af3806ba822d1c72cdc37d1
SHA1f832e298fc46a66b438c10cfa7576c76d7861594
SHA25643333402718b0a8673c5e813b4b5491e93c1e340e5bcfa88f0d245f1b6b5ff0e
SHA512c0d84a0b1ed6d2f50dc30f6594c22326d0f45dcf886f23d63d1eaaf6f546fd67f9a9475b0f21c18c5b4705631fceb93c44f5c3041e8f70614a3f07d770c7eb35
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memory/320-58-0x0000000000130000-0x0000000000132000-memory.dmpFilesize
8KB
-
memory/320-60-0x0000000074161000-0x0000000074163000-memory.dmpFilesize
8KB
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memory/320-61-0x0000000000100000-0x0000000000121000-memory.dmpFilesize
132KB
-
memory/832-71-0x00000000000C0000-0x00000000000E1000-memory.dmpFilesize
132KB
-
memory/1576-55-0x0000000075601000-0x0000000075603000-memory.dmpFilesize
8KB
-
memory/1576-56-0x00000000000C0000-0x00000000000C1000-memory.dmpFilesize
4KB
-
memory/1576-57-0x0000000010000000-0x0000000010121000-memory.dmpFilesize
1.1MB
-
memory/1600-54-0x000007FEFB771000-0x000007FEFB773000-memory.dmpFilesize
8KB
-
memory/1836-70-0x0000000010000000-0x0000000010121000-memory.dmpFilesize
1.1MB