Analysis
- max time kernel
150s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
13/09/2022, 13:15
Static task
static1
Behavioral task
behavioral1
Sample
_Vkc.dll
Resource
win7-20220812-en
General
- Target _Vkc.dll
- Size 401KB
- Sample220913-qg8dnabdhm
- SHA256 57e28579e8cd60487ca71115bd4367ba45bee5a7e3ea78023bc817d4699c3c9f
- MD5 44255200f634646100d6e71e8f5ae7d7
- SHA1 ecb47e47e31247d8969ab48a629f2bc2e6cfecec
- SHA512 575e1e4057573df904c34da51ddeb100ec56f762b6f034f6ecb9f938384606e58fb507b4b8a75cdb6ece8ed8a09578f84f0cbf4b269e00a3e7fcc2df2ec04229
- SSDEEP 12288:9zlWXAEum0intq9k7PPsVcELe8IrHpDzl/qlhgs:9zQXAEujEQu7Iu8IrHTylhg
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
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qakbot
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403.862
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BB
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1663053540
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194.49.79.231:443
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193.3.19.37:443
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99.232.140.205:2222
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47.146.182.110:443
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84.38.133.191:443
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191.97.234.238:995
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37.210.148.30:995
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64.207.215.69:443
-
200.161.62.126:32101
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88.245.103.132:2222
-
86.98.156.176:993
-
175.110.231.67:443
-
78.100.254.17:2222
-
191.84.204.214:995
-
123.240.131.1:443
-
197.94.210.133:443
-
196.92.172.24:8443
-
186.50.245.74:995
-
70.51.132.197:2222
-
100.1.5.250:995
-
179.111.111.88:32101
-
151.234.97.239:990
-
78.182.113.80:443
-
91.116.160.252:443
-
41.96.152.196:443
-
105.99.217.147:995
-
105.109.138.89:443
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81.131.161.131:2078
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41.97.64.224:443
-
134.35.11.110:443
-
102.188.100.131:995
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41.248.89.135:443
-
81.214.220.237:443
-
113.170.216.154:443
-
187.205.222.100:443
-
95.136.41.50:443
-
190.158.58.236:443
-
105.98.130.85:443
-
190.44.40.48:995
-
105.197.192.21:995
-
181.127.138.30:443
-
167.60.82.242:995
-
196.112.34.71:443
-
88.251.38.53:443
-
68.224.229.42:443
-
37.37.206.87:995
-
37.76.197.124:443
-
188.157.6.170:443
-
109.158.159.179:993
-
68.50.190.55:443
-
181.111.20.201:443
-
31.166.116.171:443
-
84.238.253.171:443
-
197.49.50.44:443
-
169.159.95.135:2222
-
45.160.124.211:995
-
113.22.102.155:443
-
211.248.176.4:443
-
186.167.249.206:443
-
85.114.99.34:443
-
85.98.206.165:995
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139.195.132.210:2222
-
182.213.208.5:443
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201.177.163.176:443
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45.183.234.180:443
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98.180.234.228:443
-
184.82.110.50:995
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179.24.245.193:995
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94.99.110.157:995
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181.56.125.32:443
-
119.42.124.18:443
-
181.231.229.133:443
-
2.89.78.130:993
-
70.81.121.237:2222
-
181.81.116.144:443
-
197.11.128.156:443
-
41.142.132.190:443
-
105.111.60.60:995
-
154.238.151.197:995
-
156.219.49.22:995
-
154.181.136.133:995
-
179.223.89.154:995
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102.101.231.141:443
-
220.116.250.45:443
-
138.0.114.166:443
-
62.114.193.186:995
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85.98.46.114:443
-
88.244.84.195:443
-
184.99.123.118:443
-
186.120.58.88:443
-
46.186.216.41:32100
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156.213.107.29:995
-
27.73.215.46:32102
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68.151.196.147:995
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181.59.3.118:443
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68.129.232.158:443
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45.241.140.181:995
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212.156.51.194:443
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87.75.195.211:443
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1.10.253.207:443
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87.220.229.164:2222
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109.200.165.82:443
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41.105.197.244:443
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190.59.247.136:995
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219.69.103.199:443
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61.105.45.244:443
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105.105.104.0:443
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169.1.47.111:443
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210.195.18.76:2222
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125.26.54.57:995
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88.246.170.2:443
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95.10.13.82:443
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171.248.157.128:995
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118.68.220.199:443
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139.195.63.45:2222
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118.216.99.232:443
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181.80.133.202:443
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102.40.236.32:995
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46.116.229.16:443
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61.70.29.53:443
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179.108.32.195:443
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171.238.230.59:443
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81.56.22.251:995
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31.32.180.179:443
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197.204.209.38:443
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186.64.87.202:443
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85.139.203.42:32101
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120.150.218.241:995
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173.189.167.21:995
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24.139.72.117:443
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104.34.212.7:32103
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47.23.89.61:995
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24.55.67.176:443
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172.115.177.204:2222
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217.165.77.134:995
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24.178.196.158:2222
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67.209.195.198:443
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111.125.245.116:995
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39.49.67.4:995
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78.101.202.75:50010
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37.34.253.233:443
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217.165.77.134:443
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46.107.48.202:443
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70.46.220.114:443
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63.143.92.99:995
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93.48.80.198:995
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179.158.103.236:443
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47.180.172.159:443
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47.23.89.61:993
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salt
SoNuce]ugdiB3c[doMuce2s81*uXmcvP
Signatures
- Loads dropped DLL 1 IoCs
pid Process 876 regsvr32.exe - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive powershell.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log powershell.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 2088 schtasks.exe - Modifies data under HKEY_USERS 51 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Xyrpbub\3d00d425 = 827ad1830aab8104ac06435bcb6cdfb8e88b78e615a1c039d314739b356d777cc5f16e865ddfd814bdf19bb39cd6b4811d8cdf explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Xyrpbub\faf5dcb6 = 948b23a2a6b5a70723e9054a5eef3a21afbe45d21bb39ac477b65923eb32792dbf0a22d08863f9726ac0693b916fa33f1c3e1cc1950e99df15d83df7faa03fb504c78e4007ecfeab849b89f0fbdd7939de1acec9572604e01c30098c4e457ff0c970a4380070c04baae3 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Xyrpbub\4249bbd3 = 8e8a5683b6fbff0d5498407120d048433bc389c186cd2da1523dc9284622b4392b98c2c0d47228fb8280dac882e4f51ac66178efe1dfe8948c1c996929eda2287356a03e86a0b1b5e0a77493a213f53e4a28976f1ecd23c4e5d9ab90555d28a6f4e8b4943d563d0e329ff1fc0097 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Xyrpbub\85bcb340 = 6835cfa6d7e443cb06b2880585d642379265a81407a88d2f9936c02ef66230fe12539834b9c10956b4674397b7c9c38f1d0767ae03b83150ee0198c549f5b500ae968154afaf7ee42802c0b863e2351fd1 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Xyrpbub\77d66b9d = 53ac9eee1684ce5b339feaea08d189629a2ab690d73dabb271483a8883ab679788ce832db8358a442a86192b explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Xyrpbub\89f046b = 0cc592f9f82cc184bb7465951a9b6b999dc4165bcce62e994bf5f070c281847fa78aa9f773b79cdb1d1078f5942cd045d234f20a7364644798c148e96ed6a815b8bf8f06d19c6ce75e5f88a4978a14a475fcd2119fbe17c8c42d5ef471e8772d8a6c62bc0cfb398d0cd3c174066155ff80 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Xyrpbub explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Xyrpbub\40089baf = d96101a9cae29a4c0f4cd3a319dfff65f4600157157c7f61c43192e04d1c3bef99a96bf0d7ec282e9e554bc4f9de332bfb537881cb52e085dd217d3b0316875bb5f099db4547b46c270f0305f31ee33018ac23ed174109cbcf673b652b24407cb5b8c374f592 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Xyrpbub\f8b4fcca = 31c942d69cd799cffe4ea1607bdb6fc58db5 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Xyrpbub\77d66b9d = 53ac89ee1684fd6e4bbf6ee84ff8ab5ce10cb32921c0f2b81db0b1276b63a4d9ae661f956d7513f4776bcec53d59386a9ac5191ea891aa3c900d1b6a409164b893 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4260 regsvr32.exe 4260 regsvr32.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe 1484 explorer.exe - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4260 regsvr32.exe 876 regsvr32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1932 powershell.exe - Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4828 wrote to memory of 4260 4828 regsvr32.exe 84 PID 4828 wrote to memory of 4260 4828 regsvr32.exe 84 PID 4828 wrote to memory of 4260 4828 regsvr32.exe 84 PID 4260 wrote to memory of 1484 4260 regsvr32.exe 96 PID 4260 wrote to memory of 1484 4260 regsvr32.exe 96 PID 4260 wrote to memory of 1484 4260 regsvr32.exe 96 PID 4260 wrote to memory of 1484 4260 regsvr32.exe 96 PID 4260 wrote to memory of 1484 4260 regsvr32.exe 96 PID 1484 wrote to memory of 2088 1484 explorer.exe 97 PID 1484 wrote to memory of 2088 1484 explorer.exe 97 PID 1484 wrote to memory of 2088 1484 explorer.exe 97 PID 1932 wrote to memory of 4584 1932 powershell.exe 104 PID 1932 wrote to memory of 4584 1932 powershell.exe 104 PID 4584 wrote to memory of 876 4584 regsvr32.exe 105 PID 4584 wrote to memory of 876 4584 regsvr32.exe 105 PID 4584 wrote to memory of 876 4584 regsvr32.exe 105 PID 876 wrote to memory of 4748 876 regsvr32.exe 106 PID 876 wrote to memory of 4748 876 regsvr32.exe 106 PID 876 wrote to memory of 4748 876 regsvr32.exe 106 PID 876 wrote to memory of 4748 876 regsvr32.exe 106 PID 876 wrote to memory of 4748 876 regsvr32.exe 106
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\_Vkc.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\_Vkc.dll2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1484 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 13:17 /tn gdaprvip /ET 13:28 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAXwBWAGsAYwAuAGQAbABsACIA" /SC ONCE4⤵
- Creates scheduled task(s)
PID:2088
-
-
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAXwBWAGsAYwAuAGQAbABsACIA1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\system32\regsvr32.exe"C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\_Vkc.dll2⤵
- Suspicious use of WriteProcessMemory
PID:4584 -
C:\Windows\SysWOW64\regsvr32.exeC:\Users\Admin\AppData\Local\Temp\_Vkc.dll3⤵
- Loads dropped DLL
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:876 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Modifies data under HKEY_USERS
PID:4748
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\_Vkc.dll
- Size 401KB
- SHA256 57e28579e8cd60487ca71115bd4367ba45bee5a7e3ea78023bc817d4699c3c9f
- MD5 44255200f634646100d6e71e8f5ae7d7
- SHA1 ecb47e47e31247d8969ab48a629f2bc2e6cfecec
- SHA512 575e1e4057573df904c34da51ddeb100ec56f762b6f034f6ecb9f938384606e58fb507b4b8a75cdb6ece8ed8a09578f84f0cbf4b269e00a3e7fcc2df2ec04229
- SSDEEP 12288:9zlWXAEum0intq9k7PPsVcELe8IrHpDzl/qlhgs:9zQXAEujEQu7Iu8IrHTylhg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\_Vkc.dll
- Size 401KB
- SHA256 57e28579e8cd60487ca71115bd4367ba45bee5a7e3ea78023bc817d4699c3c9f
- MD5 44255200f634646100d6e71e8f5ae7d7
- SHA1 ecb47e47e31247d8969ab48a629f2bc2e6cfecec
- SHA512 575e1e4057573df904c34da51ddeb100ec56f762b6f034f6ecb9f938384606e58fb507b4b8a75cdb6ece8ed8a09578f84f0cbf4b269e00a3e7fcc2df2ec04229
- SSDEEP 12288:9zlWXAEum0intq9k7PPsVcELe8IrHpDzl/qlhgs:9zQXAEujEQu7Iu8IrHTylhg
- MD5 SHA1 SHA512 SSDEEP