Analysis
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max time kernel
132s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
20-12-2023 14:49
Static task
static1
Behavioral task
behavioral1
Sample
cd4cd4b6f9f57e11804ee88b201a5cf3.dll
Resource
win7-20231129-en
General
-
Target
cd4cd4b6f9f57e11804ee88b201a5cf3.dll
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Size
444KB
-
MD5
cd4cd4b6f9f57e11804ee88b201a5cf3
-
SHA1
5d0efe6eb574447462b0816236ed8cf67a5ce3a4
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SHA256
59349f84fdba586a899eb9e509a4720cb8b95b971b8a30d092bbfd97ba5a72bd
-
SHA512
c1c6017714a60a8eb1a49a342fdf930cce78a3bd0cb59651e355677398de4892fcebd1e81503b405cc71978e876daddad5a3bfce4e83c0477954ee706672f316
-
SSDEEP
12288:Sm/vYhQYM37FtcPdXcYU/PSi0ouri3YbRTx4Psci:V/QhQPxUUPSi0trYYbRTxWsci
Malware Config
Extracted
qakbot
402.363
tr
1632817399
105.198.236.99:443
140.82.49.12:443
37.210.152.224:995
89.101.97.139:443
81.241.252.59:2078
27.223.92.142:995
81.250.153.227:2222
73.151.236.31:443
47.22.148.6:443
122.11.220.212:2222
120.151.47.189:443
199.27.127.129:443
216.201.162.158:443
136.232.34.70:443
76.25.142.196:443
181.118.183.94:443
120.150.218.241:995
185.250.148.74:443
95.77.223.148:443
75.66.88.33:443
45.46.53.140:2222
173.25.166.81:443
103.148.120.144:443
173.21.10.71:2222
186.18.205.199:995
71.74.12.34:443
67.165.206.193:993
47.40.196.233:2222
68.204.7.158:443
24.229.150.54:995
109.12.111.14:443
177.130.82.197:2222
72.252.201.69:443
24.55.112.61:443
24.139.72.117:443
187.156.138.172:443
71.80.168.245:443
105.157.55.133:995
82.77.137.101:995
173.234.155.233:443
75.188.35.168:443
5.238.149.235:61202
73.77.87.137:443
182.176.112.182:443
96.37.113.36:993
162.244.227.34:443
92.59.35.196:2222
196.218.227.241:995
68.207.102.78:443
2.188.27.77:443
189.210.115.207:443
181.163.96.53:443
75.107.26.196:465
185.250.148.74:2222
68.186.192.69:443
-
salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures
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Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 772 regsvr32.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
rundll32.exepid process 1276 rundll32.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
rundll32.exepid process 1276 rundll32.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exedescription pid process target process PID 1868 wrote to memory of 1276 1868 rundll32.exe rundll32.exe PID 1868 wrote to memory of 1276 1868 rundll32.exe rundll32.exe PID 1868 wrote to memory of 1276 1868 rundll32.exe rundll32.exe PID 1868 wrote to memory of 1276 1868 rundll32.exe rundll32.exe PID 1868 wrote to memory of 1276 1868 rundll32.exe rundll32.exe PID 1868 wrote to memory of 1276 1868 rundll32.exe rundll32.exe PID 1868 wrote to memory of 1276 1868 rundll32.exe rundll32.exe PID 1276 wrote to memory of 2388 1276 rundll32.exe explorer.exe PID 1276 wrote to memory of 2388 1276 rundll32.exe explorer.exe PID 1276 wrote to memory of 2388 1276 rundll32.exe explorer.exe PID 1276 wrote to memory of 2388 1276 rundll32.exe explorer.exe PID 1276 wrote to memory of 2388 1276 rundll32.exe explorer.exe PID 1276 wrote to memory of 2388 1276 rundll32.exe explorer.exe PID 2388 wrote to memory of 2556 2388 explorer.exe schtasks.exe PID 2388 wrote to memory of 2556 2388 explorer.exe schtasks.exe PID 2388 wrote to memory of 2556 2388 explorer.exe schtasks.exe PID 2388 wrote to memory of 2556 2388 explorer.exe schtasks.exe PID 2756 wrote to memory of 1932 2756 taskeng.exe regsvr32.exe PID 2756 wrote to memory of 1932 2756 taskeng.exe regsvr32.exe PID 2756 wrote to memory of 1932 2756 taskeng.exe regsvr32.exe PID 2756 wrote to memory of 1932 2756 taskeng.exe regsvr32.exe PID 2756 wrote to memory of 1932 2756 taskeng.exe regsvr32.exe PID 1932 wrote to memory of 772 1932 regsvr32.exe regsvr32.exe PID 1932 wrote to memory of 772 1932 regsvr32.exe regsvr32.exe PID 1932 wrote to memory of 772 1932 regsvr32.exe regsvr32.exe PID 1932 wrote to memory of 772 1932 regsvr32.exe regsvr32.exe PID 1932 wrote to memory of 772 1932 regsvr32.exe regsvr32.exe PID 1932 wrote to memory of 772 1932 regsvr32.exe regsvr32.exe PID 1932 wrote to memory of 772 1932 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cd4cd4b6f9f57e11804ee88b201a5cf3.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cd4cd4b6f9f57e11804ee88b201a5cf3.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn hzhudvbz /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\cd4cd4b6f9f57e11804ee88b201a5cf3.dll\"" /SC ONCE /Z /ST 20:29 /ET 20:414⤵
- Creates scheduled task(s)
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C:\Windows\system32\taskeng.exetaskeng.exe {CB1A17C1-4DCA-48ED-8266-0E48B1FAA68D} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\cd4cd4b6f9f57e11804ee88b201a5cf3.dll"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\cd4cd4b6f9f57e11804ee88b201a5cf3.dll"3⤵
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\cd4cd4b6f9f57e11804ee88b201a5cf3.dllFilesize
444KB
MD5cd4cd4b6f9f57e11804ee88b201a5cf3
SHA15d0efe6eb574447462b0816236ed8cf67a5ce3a4
SHA25659349f84fdba586a899eb9e509a4720cb8b95b971b8a30d092bbfd97ba5a72bd
SHA512c1c6017714a60a8eb1a49a342fdf930cce78a3bd0cb59651e355677398de4892fcebd1e81503b405cc71978e876daddad5a3bfce4e83c0477954ee706672f316
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memory/1276-0-0x0000000010000000-0x0000000010081000-memory.dmpFilesize
516KB
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memory/1276-2-0x0000000010000000-0x0000000010081000-memory.dmpFilesize
516KB
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memory/1276-4-0x00000000001B0000-0x00000000001B1000-memory.dmpFilesize
4KB
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memory/1276-7-0x0000000010000000-0x0000000010081000-memory.dmpFilesize
516KB
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memory/2388-5-0x00000000000B0000-0x00000000000B2000-memory.dmpFilesize
8KB
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memory/2388-6-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB
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memory/2388-10-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB
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memory/2388-11-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB
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memory/2388-12-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB
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memory/2388-14-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB