Overview
overview
10Static
static
Claim_Letter.lnk
windows7-x64
3Claim_Letter.lnk
windows10-2004-x64
3about/alsoOr.bat
windows7-x64
1about/alsoOr.bat
windows10-2004-x64
1about/firstFirst.dll
windows7-x64
10about/firstFirst.dll
windows10-2004-x64
10about/theseOr.js
windows7-x64
3about/theseOr.js
windows10-2004-x64
1Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2022, 08:52
Static task
static1
Behavioral task
behavioral1
Sample
Claim_Letter.lnk
Resource
win7-20220812-en
windows7-x64
Behavioral task
behavioral2
Sample
Claim_Letter.lnk
Resource
win10v2004-20220812-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
about/alsoOr.bat
Resource
win7-20220812-en
windows7-x64
Behavioral task
behavioral4
Sample
about/alsoOr.bat
Resource
win10v2004-20220812-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
about/firstFirst.dll
Resource
win7-20220901-en
windows7-x64
Behavioral task
behavioral6
Sample
about/firstFirst.dll
Resource
win10v2004-20220901-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
about/theseOr.js
Resource
win7-20220812-en
windows7-x64
Behavioral task
behavioral8
Sample
about/theseOr.js
Resource
win10v2004-20220901-en
windows10-2004-x64
General
-
Target
about/firstFirst.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 3672 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 32 schtasks.exe -
Modifies data under HKEY_USERS 51 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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 Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Yzkyzmiq\dd9dca68 = 5f1b130e1162416a41ee1882eae7ed839cde767f4ac8b546e09a5fc5695f6dd38ce012029c56f5 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Yzkyzmiq\1829e287 = e83350eebf947ae5e48ab7e3776af347898968883137b29a59a0b43b5c127a21a4e5d8dd2562c77e1273b54c explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Yzkyzmiq\ea433a5a = a379892422ac532150e2abe8e71104eb71e4883757c5adbc8fa48d027a60754f9789f1a1bfd68dfa60170daba923c44bb8f6dadb689d90b71255b0d5e7c47ceb76508b3ed38efe4750 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Yzkyzmiq\67608d71 = a65865367c36933038899f6cb536728ba02b3803a9 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Yzkyzmiq\a09585e2 = aae10329e8a35167f4f9b5261419737687246551c8058c5d592b5bb4254ad05a0886fbdf0913207cc0b3589f28c9fb12f9cd851d71a4285a081e9fa80574707b32c1eadad7ba explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Yzkyzmiq\ea433a5a = a3799e2422ac605a03f2c368aeab80a3fb9fa21d0d5438b60261b74787290b5a4029ab872ce773728d698326f109d591cc099678d1c44a923deb23fc8972146fb91abac0ceaa4541a8ffe468998afcfeb16c93be9d2180cd4d68de92b8f1 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Yzkyzmiq\950a55ac = e041645147e170f44ddb0a2cf9b132ae129561737362e2f9ad642caf324e8535f28e8e5fc07ffc0d88 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\Yzkyzmiq\6521ad0d = f73aacee70e7928271b49a02c88032fb1ff9f182c6f3f166476c1c3ee2d0322e0e5e9a2dc67ae960e486519fd60214455efca550b489cfc7c2c2937b4176d1cd2767fca4d07b explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\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\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Yzkyzmiq explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Yzkyzmiq\dfdcea14 = 7470aa27acab92dfa82555e5e7ab3816c49384a6b86301d4fdbd63810446fa96af78c66be06c28bb07500e0413bf4128d720d58787c64ca1431511ef525d6d7ceef123204da5e020585581f0f5a8d30799c65c00bd92c1d4e2676fd3a44d36b4243e2af2088a2dbb2746b7 explorer.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2260 regsvr32.exe 2260 regsvr32.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe 4220 explorer.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2260 regsvr32.exe 3672 regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4132 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2976 wrote to memory of 2260 2976 regsvr32.exe 85 PID 2976 wrote to memory of 2260 2976 regsvr32.exe 85 PID 2976 wrote to memory of 2260 2976 regsvr32.exe 85 PID 2260 wrote to memory of 4220 2260 regsvr32.exe 86 PID 2260 wrote to memory of 4220 2260 regsvr32.exe 86 PID 2260 wrote to memory of 4220 2260 regsvr32.exe 86 PID 2260 wrote to memory of 4220 2260 regsvr32.exe 86 PID 2260 wrote to memory of 4220 2260 regsvr32.exe 86 PID 4220 wrote to memory of 32 4220 explorer.exe 87 PID 4220 wrote to memory of 32 4220 explorer.exe 87 PID 4220 wrote to memory of 32 4220 explorer.exe 87 PID 4132 wrote to memory of 4456 4132 powershell.exe 107 PID 4132 wrote to memory of 4456 4132 powershell.exe 107 PID 4456 wrote to memory of 3672 4456 regsvr32.exe 108 PID 4456 wrote to memory of 3672 4456 regsvr32.exe 108 PID 4456 wrote to memory of 3672 4456 regsvr32.exe 108 PID 3672 wrote to memory of 4384 3672 regsvr32.exe 109 PID 3672 wrote to memory of 4384 3672 regsvr32.exe 109 PID 3672 wrote to memory of 4384 3672 regsvr32.exe 109 PID 3672 wrote to memory of 4384 3672 regsvr32.exe 109 PID 3672 wrote to memory of 4384 3672 regsvr32.exe 109
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\about\firstFirst.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\about\firstFirst.dll2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2260 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4220 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 09:07 /tn wkaisdcnos /ET 09:18 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAYQBiAG8AdQB0AFwAZgBpAHIAcwB0AEYAaQByAHMAdAAuAGQAbABsACIA" /SC ONCE4⤵
- Creates scheduled task(s)
PID:32
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-
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAYQBiAG8AdQB0AFwAZgBpAHIAcwB0AEYAaQByAHMAdAAuAGQAbABsACIA1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4132 -
C:\Windows\system32\regsvr32.exe"C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\about\firstFirst.dll2⤵
- Suspicious use of WriteProcessMemory
PID:4456 -
C:\Windows\SysWOW64\regsvr32.exeC:\Users\Admin\AppData\Local\Temp\about\firstFirst.dll3⤵
- Loads dropped DLL
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Modifies data under HKEY_USERS
PID:4384
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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