Overview
overview
10Static
static
Claim_Letter.lnk
windows7-x64
3Claim_Letter.lnk
windows10-2004-x64
3about/firstEven.dll
windows7-x64
10about/firstEven.dll
windows10-2004-x64
10about/outBecause.js
windows7-x64
3about/outBecause.js
windows10-2004-x64
1about/toIf.bat
windows7-x64
1about/toIf.bat
windows10-2004-x64
1Analysis
-
max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2022, 08:52
Static task
static1
Behavioral task
behavioral1
Sample
Claim_Letter.lnk
Resource
win7-20220901-en
windows7-x64
Behavioral task
behavioral2
Sample
Claim_Letter.lnk
Resource
win10v2004-20220812-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
about/firstEven.dll
Resource
win7-20220812-en
windows7-x64
Behavioral task
behavioral4
Sample
about/firstEven.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
about/outBecause.js
Resource
win7-20220812-en
windows7-x64
Behavioral task
behavioral6
Sample
about/outBecause.js
Resource
win10v2004-20220812-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
about/toIf.bat
Resource
win7-20220812-en
windows7-x64
Behavioral task
behavioral8
Sample
about/toIf.bat
Resource
win10v2004-20220812-en
windows10-2004-x64
General
-
Target
about/firstEven.dll
-
Size
368KB
-
MD5
aaabcb8c5464c4fdb6d72816f77f3b65
-
SHA1
7397d48671bde4ef13ae59f3427f0c1a1e7977d4
-
SHA256
1cbd5c3072fd99bff1408bc1f8a3b09206322de8b83b743a57efa24adefdb44f
-
SHA512
c5165a9e1f8185a94256bb67cf89d035f743e461795f0444208ee116df53bec5633673527cf52727462a8c543286c2f05f74dcc16078e5a1d2689ea434876546
-
SSDEEP
6144:0u8T9zrStWm3C3klS1gqbe5L05kVxVFInAPexY5ixyizO8wj+A:/8ZSg24Vbe5LFVxVFIAPWelSZm
Malware Config
Extracted
qakbot
403.858
obama202
1663062752
99.232.140.205:2222
41.69.118.117:995
179.111.111.88:32101
37.210.148.30:995
47.146.182.110:443
191.97.234.238:995
64.207.215.69:443
88.233.194.154:2222
81.131.161.131:2078
86.98.156.176:993
200.161.62.126:32101
88.244.84.195:443
78.100.254.17:2222
85.114.99.34:443
113.170.216.154:443
194.49.79.231:443
193.3.19.37:443
84.38.133.191:443
175.110.231.67:443
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
151.234.97.239:990
78.182.113.80:443
91.116.160.252:443
41.96.171.218:443
105.99.217.147:995
105.109.138.89:443
41.97.64.224:443
134.35.11.110:443
41.248.89.135:443
81.214.220.237:443
187.205.222.100:443
95.136.41.50:443
190.158.58.236:443
105.99.80.23:443
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
85.98.206.165:995
139.195.132.210:2222
182.213.208.5:443
201.177.163.176:443
45.183.234.180:443
98.180.234.228:443
184.82.110.50:995
179.24.245.193:995
94.99.110.157:995
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
102.101.231.141:443
220.116.250.45:443
138.0.114.166:443
62.114.193.186:995
85.98.46.114:443
184.99.123.118:443
186.120.58.88:443
46.186.216.41:32100
156.213.107.29:995
27.73.215.46:32102
68.151.196.147:995
181.59.3.118:443
68.129.232.158:443
45.241.140.181:995
212.156.51.194:443
87.75.195.211:443
1.10.253.207:443
87.220.229.164:2222
109.200.165.82:443
41.105.197.244:443
190.59.247.136:995
219.69.103.199:443
61.105.45.244:443
105.105.104.0:443
169.1.47.111:443
210.195.18.76:2222
125.26.54.57:995
88.246.170.2:443
95.10.13.82:443
171.248.157.128:995
118.68.220.199:443
139.195.63.45:2222
118.216.99.232:443
181.80.133.202:443
102.40.236.32:995
46.116.229.16:443
61.70.29.53:443
179.108.32.195:443
171.238.230.59:443
81.56.22.251:995
31.32.180.179:443
197.204.209.38:443
186.64.87.202:443
85.139.203.42:32101
120.150.218.241:995
173.189.167.21:995
24.139.72.117:443
104.34.212.7:32103
47.23.89.61:995
24.55.67.176:443
172.115.177.204:2222
217.165.77.134:995
24.178.196.158:2222
67.209.195.198:443
111.125.245.116:995
39.49.67.4:995
78.101.202.75:50010
37.34.253.233:443
217.165.77.134:443
46.107.48.202:443
70.46.220.114:443
63.143.92.99:995
93.48.80.198:995
179.158.103.236:443
47.180.172.159:443
47.23.89.61:993
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salt
SoNuce]ugdiB3c[doMuce2s81*uXmcvP
Signatures
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Loads dropped DLL 1 IoCs
pid Process 1940 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 4868 schtasks.exe -
Modifies data under HKEY_USERS 51 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ueipsayzsicu\3065dc5e = 503d3ae0ca39c61c4be4fdc4207db110b8a5a54e3f95d90230e7823a85d22243329e5c057a231afbff9047fd58b99508938032f0415be1c14948fdf34519c878e4453c89054ed179dd1424b93b06ff9c43b1 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ueipsayzsicu\88d9bb3b = 2ac0e580a501e0b322fee7445f1903329ac1f906438d1f0382c2662855bade43d12627980b9ac77edaaed4e36b3116587febda1384b395be2970565cbad41a1566362647ec6f682d204cbf18041be24f5ed17da204bb0991347bec0da7e8219736229ebfe852c084a227386d001221f931aafb2405c00f70c2c9a86bb063ace173acb67bf6ffd9737ceef45c66c1076217ffa997c78be2fb63192db0cd3bb73b606e76f12e1bd503c65116e7345a28542ed157d4d846 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ueipsayzsicu\bd466b75 = 30d61422c6cc1919b84a7a01bfb4b39fab6dd0dde9944c07856d14f04ed207da5d2644f9745a8247 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\Ueipsayzsicu\bd466b75 = 30d60322c6cc2acf9aec9ad3bcc48dafc4fa1abd0f8b9a88473b516682feeacdd48b4b9ec05ee901fbae1e82c66c4063e64bd11039b91d0c3eb7bdd614 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ueipsayzsicu\4f2cb3a8 = b1904ff4846edc40f6a499571c8ab4358db5ee404e44ea0eeb27988514ba6973122d161788538538b9e1e0c95573e83a4e66f18a57563e5d91ea7c7451 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ueipsayzsicu explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ueipsayzsicu\f790d4cd = 321c8dc74cc718c4eb3c4485bb2ece9f9131a08590c4219eb3c84b48f7424991d564330a4cbfda5e3fad2b0dfd802f54d5f28c3977385cbeb4dac612c93af8e92fa890b10ab805194689da93 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\Ueipsayzsicu\8a989b47 = 84ed22fee2e3abde61b363ae5197b0b952915dba7ab0176bcf1be5ed999461248391fda6bbadbeaec085aa04c45190eebb029af3d2f75e34d9 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ueipsayzsicu\3224fc22 = 2bf45643d35318f87c2c8b5cf34c93507869d18321b0ce5d08bec08f5faa4d9d49f97930ddaef5cd7d7b39e3df4a04f2a3d2602c explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ueipsayzsicu\c20f0483 = 5a1313185364ae3eee4d308e56a59bf4cfe5e2ed3028b995fdfc54aee2c185260b1b38e837 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1084 regsvr32.exe 1084 regsvr32.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe 4860 explorer.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1084 regsvr32.exe 1940 regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3740 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4800 wrote to memory of 1084 4800 regsvr32.exe 82 PID 4800 wrote to memory of 1084 4800 regsvr32.exe 82 PID 4800 wrote to memory of 1084 4800 regsvr32.exe 82 PID 1084 wrote to memory of 4860 1084 regsvr32.exe 83 PID 1084 wrote to memory of 4860 1084 regsvr32.exe 83 PID 1084 wrote to memory of 4860 1084 regsvr32.exe 83 PID 1084 wrote to memory of 4860 1084 regsvr32.exe 83 PID 1084 wrote to memory of 4860 1084 regsvr32.exe 83 PID 4860 wrote to memory of 4868 4860 explorer.exe 84 PID 4860 wrote to memory of 4868 4860 explorer.exe 84 PID 4860 wrote to memory of 4868 4860 explorer.exe 84 PID 3740 wrote to memory of 4652 3740 powershell.exe 95 PID 3740 wrote to memory of 4652 3740 powershell.exe 95 PID 4652 wrote to memory of 1940 4652 regsvr32.exe 96 PID 4652 wrote to memory of 1940 4652 regsvr32.exe 96 PID 4652 wrote to memory of 1940 4652 regsvr32.exe 96 PID 1940 wrote to memory of 3884 1940 regsvr32.exe 97 PID 1940 wrote to memory of 3884 1940 regsvr32.exe 97 PID 1940 wrote to memory of 3884 1940 regsvr32.exe 97 PID 1940 wrote to memory of 3884 1940 regsvr32.exe 97 PID 1940 wrote to memory of 3884 1940 regsvr32.exe 97
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\about\firstEven.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\about\firstEven.dll2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4860 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 10:57 /tn qnnkbpgoo /ET 11:08 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAYQBiAG8AdQB0AFwAZgBpAHIAcwB0AEUAdgBlAG4ALgBkAGwAbAAiAA==" /SC ONCE4⤵
- Creates scheduled task(s)
PID:4868
-
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAYQBiAG8AdQB0AFwAZgBpAHIAcwB0AEUAdgBlAG4ALgBkAGwAbAAiAA==1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3740 -
C:\Windows\system32\regsvr32.exe"C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\about\firstEven.dll2⤵
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Windows\SysWOW64\regsvr32.exeC:\Users\Admin\AppData\Local\Temp\about\firstEven.dll3⤵
- Loads dropped DLL
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Modifies data under HKEY_USERS
PID:3884
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
368KB
MD5aaabcb8c5464c4fdb6d72816f77f3b65
SHA17397d48671bde4ef13ae59f3427f0c1a1e7977d4
SHA2561cbd5c3072fd99bff1408bc1f8a3b09206322de8b83b743a57efa24adefdb44f
SHA512c5165a9e1f8185a94256bb67cf89d035f743e461795f0444208ee116df53bec5633673527cf52727462a8c543286c2f05f74dcc16078e5a1d2689ea434876546
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Filesize
368KB
MD5aaabcb8c5464c4fdb6d72816f77f3b65
SHA17397d48671bde4ef13ae59f3427f0c1a1e7977d4
SHA2561cbd5c3072fd99bff1408bc1f8a3b09206322de8b83b743a57efa24adefdb44f
SHA512c5165a9e1f8185a94256bb67cf89d035f743e461795f0444208ee116df53bec5633673527cf52727462a8c543286c2f05f74dcc16078e5a1d2689ea434876546