Analysis
- max time kernel
131s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
10/11/2022, 15:40
Static task
static1
Behavioral task
behavioral1
Sample
AtNi.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
AtNi.dll
Resource
win10v2004-20220901-en
General
- Target AtNi.dll
- Size 621KB
- Sample221110-s3715achbl
- SHA256 8c1d88db5b9f8e123deace0a90ce7cd8adc1d03a923eeb4cbda2a0406a1ece9d
- MD5 9bdbf02aaaf65292441247688263ad0c
- SHA1 7be1902670f67475fbbdc9128bbd0d77fc23668a
- SHA512 e95dfd7195378cfd6647c8e3a3d30e17950ced3d55649d6456d4cb571815375763503fd97e9c9dfe210cf09793cb2dcd2be80c053d2ed78e074d0160e16b837a
- SSDEEP 6144:S6/ptuaN+qWUILr1HRf/9Mu1vHLI7U9XWiygQ30/bP/09Xls9HV6MExbnyDAzlsH:S6/ptu/qerXtU7U9XhZWYobyDAzl+
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
emotet
-
Epoch5
-
202.28.34.99:8080
-
80.211.107.116:8080
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175.126.176.79:8080
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218.38.121.17:443
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139.196.72.155:8080
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103.71.99.57:8080
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87.106.97.83:7080
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178.62.112.199:8080
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64.227.55.231:8080
-
46.101.98.60:8080
-
54.37.228.122:443
-
128.199.217.206:443
-
190.145.8.4:443
-
209.239.112.82:8080
-
85.214.67.203:8080
-
198.199.70.22:8080
-
128.199.242.164:8080
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178.238.225.252:8080
-
103.85.95.4:8080
-
103.126.216.86:443
-
104.244.79.94:443
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36.67.23.59:443
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37.44.244.177:8080
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160.16.143.191:8080
-
85.25.120.45:8080
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103.56.149.105:8080
-
210.57.209.142:8080
-
195.77.239.39:8080
-
62.171.178.147:8080
-
118.98.72.86:443
-
103.224.241.74:8080
-
185.148.169.10:8080
-
103.41.204.169:8080
-
186.250.48.5:443
-
165.22.254.236:8080
-
93.104.209.107:8080
-
139.59.80.108:8080
-
196.44.98.190:8080
-
114.79.130.68:443
-
115.178.55.22:80
-
103.254.12.236:7080
-
172.105.115.71:8080
-
174.138.33.49:7080
-
51.75.33.122:443
-
83.229.80.93:8080
-
78.47.204.80:443
-
188.165.79.151:443
-
202.134.4.210:7080
-
82.98.180.154:7080
Signatures
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aCXcdgZmWYp.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\STYUsXTPUbavybXW\\aCXcdgZmWYp.dll\"" regsvr32.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4984 regsvr32.exe 4984 regsvr32.exe 1832 regsvr32.exe 1832 regsvr32.exe 1832 regsvr32.exe 1832 regsvr32.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 4984 regsvr32.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4984 wrote to memory of 1832 4984 regsvr32.exe 81 PID 4984 wrote to memory of 1832 4984 regsvr32.exe 81
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\AtNi.dll1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\STYUsXTPUbavybXW\aCXcdgZmWYp.dll"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1832
-