Analysis
- max time kernel
144s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
19/12/2023, 10:26
Static task
static1
Behavioral task
behavioral1
Sample
0559b48910a0956810dbafef2393e5e0.dll
Resource
win7-20231215-en
General
- Target 0559b48910a0956810dbafef2393e5e0.dll
- Size 1.0MB
- Sample231219-mgtcysbcdk
- SHA256 1ae7ba6b2cd80096b270ac9f05ef9c681e3b6237842b508845dd2143534542ba
- MD5 0559b48910a0956810dbafef2393e5e0
- SHA1 b40e5cd13570eca0cbcf6eec90a5baa09ea33691
- SHA512 b8bf72252eafe65318cad38c2d332c0d3cdc55a8cd835045ebc038dbe543955e8831bdc579199af259758f940472f6a42fadd51c2382e14307638773804a1e05
- SSDEEP 24576:N+N4RsxvZIlcgFagUOqtQ1e78l1T9N36OfMMElHNGlpJMFymEYe/uAg9JXkQKLK7:NMIOgFa41l1T9N36OUMzlpJMFymEYe/K
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
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qakbot
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402.363
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tr
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1633334141
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75.75.179.226:443
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185.250.148.74:443
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122.11.220.212:2222
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120.150.218.241:995
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103.148.120.144:443
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140.82.49.12:443
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40.131.140.155:995
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206.47.134.234:2222
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73.230.205.91:443
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190.198.206.189:2222
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103.157.122.198:995
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81.250.153.227:2222
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167.248.100.227:443
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96.57.188.174:2078
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217.17.56.163:2222
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217.17.56.163:2078
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41.228.22.180:443
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136.232.34.70:443
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68.186.192.69:443
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167.248.111.245:443
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81.241.252.59:2078
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94.200.181.154:443
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47.22.148.6:443
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208.89.170.179:443
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73.77.87.137:443
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96.46.103.226:443
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187.116.124.82:995
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73.130.180.25:443
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73.52.50.32:443
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120.151.47.189:443
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109.12.111.14:443
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216.201.162.158:443
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73.25.124.140:2222
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181.118.183.94:443
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174.54.58.170:443
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24.152.219.253:995
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124.123.42.115:2222
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76.25.142.196:443
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45.46.53.140:2222
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37.210.152.224:995
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173.21.10.71:2222
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68.13.157.69:0
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75.89.195.186:995
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67.165.206.193:993
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71.74.12.34:443
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24.119.214.7:443
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75.66.88.33:443
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73.151.236.31:443
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89.101.97.139:443
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159.2.51.200:2222
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78.191.36.142:995
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75.188.35.168:443
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95.77.223.148:443
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105.198.236.99:443
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110.174.64.179:995
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47.40.196.233:2222
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201.93.111.2:995
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187.56.71.109:995
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187.101.25.96:32100
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174.54.193.186:443
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86.8.177.143:443
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76.84.230.103:443
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174.59.35.191:443
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173.63.245.129:443
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24.139.72.117:443
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72.252.201.69:443
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68.117.229.117:443
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167.248.117.81:443
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75.163.81.130:995
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76.84.32.159:443
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147.92.51.49:443
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167.248.99.149:443
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68.204.7.158:443
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76.84.226.17:443
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68.13.157.69:443
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167.248.126.223:443
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69.30.186.190:443
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72.196.22.184:443
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167.248.23.224:443
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98.22.92.139:995
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209.50.20.255:443
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97.98.130.50:443
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196.117.75.181:995
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77.57.204.78:443
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191.191.38.8:443
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176.251.215.116:443
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96.46.103.109:2222
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188.210.210.122:443
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37.117.191.19:2222
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90.197.155.33:443
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197.90.137.161:61201
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70.37.217.196:443
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24.32.174.175:443
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76.84.225.21:443
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78.145.153.73:995
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69.30.190.105:995
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167.248.81.60:443
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69.80.113.148:443
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2.99.100.134:2222
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217.17.56.163:443
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39.52.236.68:995
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71.190.231.182:443
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62.23.194.38:443
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62.23.194.41:995
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173.25.166.81:443
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199.27.127.129:443
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24.229.150.54:995
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189.210.115.207:443
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174.59.226.6:443
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73.130.237.36:443
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69.253.197.100:443
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174.59.242.9:443
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177.130.82.197:2222
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67.214.30.12:995
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24.55.112.61:443
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174.59.120.69:443
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47.181.84.61:443
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73.130.239.166:443
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217.165.163.21:995
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93.8.66.216:443
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73.52.114.202:443
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186.18.205.199:995
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38.10.202.214:443
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78.191.44.76:443
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96.83.180.29:443
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124.123.42.115:2078
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105.159.144.186:995
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27.223.92.142:995
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109.190.253.11:2222
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217.17.56.163:465
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38.10.201.211:443
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92.148.59.207:2222
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92.157.171.41:2222
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186.87.135.68:995
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80.6.192.58:443
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187.156.138.172:443
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82.77.137.101:995
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173.234.155.233:443
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5.238.148.193:61202
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182.176.112.182:443
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96.37.113.36:993
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162.244.227.34:443
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92.59.35.196:2222
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196.218.227.241:995
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68.207.102.78:443
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2.188.27.77:443
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salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\ProgramData\Microsoft\Exrmhy = "0" reg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\Microsoft\Emcin = "0" reg.exe - Loads dropped DLL 1 IoCs
pid Process 4460 regsvr32.exe - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4840 schtasks.exe - Modifies data under HKEY_USERS 10 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Rjvyoydnomb\51924cff = 706abd165fe2eb8f5d324f9030594582fe880fe8d2500f9b1a2bbe8930acc043e34670fd13678afdb073b20c12afa7b287e5da9c45eb7a explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Rjvyoydnomb explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Rjvyoydnomb\640d9cb1 = f28db488973a02c59a725d348e4af3beeb85bbb2c864928782c113fec98b106a56f72c369a8ab6eae0ce4cc11870a59c9feddfdb16f9e418009acafa1ecd87c4eb0c84adc682ec18f1070802fa5b2dd1423f2fd9ab392aa45d89d84a5de1826fbd193f4e41664ce180baa6843db239d155c0506965aecf86b99b52ea explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Rjvyoydnomb\664cbccd = a91d09faaed91e623d44d4021bed833ad0893e22713a3e2477ef17a7928324a291cfb8895138072b1be52270ee9fc63ce1380951945c6109a27ffb07c72173f3d7a6da41636dcee2fcec8d6d8100 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Rjvyoydnomb\a3f89422 = fbe2d92a8deb7c23d061d3c5839fe23f8f explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Rjvyoydnomb\1b44f347 = c9d9b96117c2f5059ff6c70f11fa4f3abbd7395f455ba060b08756b84293185468f46cf293e5e611b0541f522aaf86b8030723702317bd6bd5ed2f7f42f1f32692a543d04b4d6cb977d3972aaa412c8c2321df2804 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Rjvyoydnomb\dcb1fbd4 = 62b6f5250e63d75ca2b3a0b6dbfbe628a3fd8c06f5e2503b03b09637a988d57df113a8237907b65ce205448b80d3bc3b65251c1a89f6275163729f397f0a1fdf09555547b0dc17b1da54051bc60a0bed58210679cc53b7df576b8971b833d1c4b3397480faffb97490692e explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Rjvyoydnomb\51924cff = 706aaa165fe2de3b88ac25d9220c696890ba3cea87205171ec6ed8dae4bd3bad6cf4 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Rjvyoydnomb\def0dba8 = 7fd9f2c29949c14040e6b7272e10c29db960769c2ec1b2d1dce22ae71173e32a41524066f9bc9465e5b155e3754a8a5e5f82c270927090f8873a8797db63464ec4906cae72730b1f97d5950add367deaeefceced53 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Rjvyoydnomb\2edb2309 = cefc412aa69b6e8d756b58285a3e8756b0e5a34818164d0462e3062f9bbd0d679b84f75f0eb3fafe94274edaca62a045248b9f199accda71a9e8a13efc549b9469665e9d3ed6dcafd43ccc5f4f9a4cd4d84b7dc05230cdc177611190151512dc4147768f05721e0251e65795 explorer.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1472 rundll32.exe 1472 rundll32.exe 4460 regsvr32.exe 4460 regsvr32.exe - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1472 rundll32.exe 4460 regsvr32.exe - Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2640 wrote to memory of 1472 2640 rundll32.exe 75 PID 2640 wrote to memory of 1472 2640 rundll32.exe 75 PID 2640 wrote to memory of 1472 2640 rundll32.exe 75 PID 1472 wrote to memory of 3936 1472 rundll32.exe 94 PID 1472 wrote to memory of 3936 1472 rundll32.exe 94 PID 1472 wrote to memory of 3936 1472 rundll32.exe 94 PID 1472 wrote to memory of 3936 1472 rundll32.exe 94 PID 1472 wrote to memory of 3936 1472 rundll32.exe 94 PID 3936 wrote to memory of 4840 3936 explorer.exe 96 PID 3936 wrote to memory of 4840 3936 explorer.exe 96 PID 3936 wrote to memory of 4840 3936 explorer.exe 96 PID 3376 wrote to memory of 4460 3376 regsvr32.exe 101 PID 3376 wrote to memory of 4460 3376 regsvr32.exe 101 PID 3376 wrote to memory of 4460 3376 regsvr32.exe 101 PID 4460 wrote to memory of 4516 4460 regsvr32.exe 102 PID 4460 wrote to memory of 4516 4460 regsvr32.exe 102 PID 4460 wrote to memory of 4516 4460 regsvr32.exe 102 PID 4460 wrote to memory of 4516 4460 regsvr32.exe 102 PID 4460 wrote to memory of 4516 4460 regsvr32.exe 102 PID 4516 wrote to memory of 4344 4516 explorer.exe 104 PID 4516 wrote to memory of 4344 4516 explorer.exe 104 PID 4516 wrote to memory of 4612 4516 explorer.exe 106 PID 4516 wrote to memory of 4612 4516 explorer.exe 106
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0559b48910a0956810dbafef2393e5e0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0559b48910a0956810dbafef2393e5e0.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fmmixvgqrv /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\0559b48910a0956810dbafef2393e5e0.dll\"" /SC ONCE /Z /ST 11:33 /ET 11:454⤵
- Creates scheduled task(s)
PID:4840
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C:\Windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\0559b48910a0956810dbafef2393e5e0.dll"1⤵
- Suspicious use of WriteProcessMemory
PID:3376 -
C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\0559b48910a0956810dbafef2393e5e0.dll"2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4460 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:4516 -
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\Exrmhy" /d "0"4⤵
- Windows security bypass
PID:4344
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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\Emcin" /d "0"4⤵
- Windows security bypass
PID:4612
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\0559b48910a0956810dbafef2393e5e0.dll
- Size 1.0MB
- SHA256 1ae7ba6b2cd80096b270ac9f05ef9c681e3b6237842b508845dd2143534542ba
- MD5 0559b48910a0956810dbafef2393e5e0
- SHA1 b40e5cd13570eca0cbcf6eec90a5baa09ea33691
- SHA512 b8bf72252eafe65318cad38c2d332c0d3cdc55a8cd835045ebc038dbe543955e8831bdc579199af259758f940472f6a42fadd51c2382e14307638773804a1e05
- SSDEEP 24576:N+N4RsxvZIlcgFagUOqtQ1e78l1T9N36OfMMElHNGlpJMFymEYe/uAg9JXkQKLK7:NMIOgFa41l1T9N36OUMzlpJMFymEYe/K
- MD5 SHA1 SHA512 SSDEEP