Analysis
-
max time kernel
151s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
12-07-2022 06:52
Static task
static1
Behavioral task
behavioral1
Sample
102755.dll
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
102755.dll
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
TXRTN_4654211.lnk
Resource
win7-20220414-en
Behavioral task
behavioral4
Sample
TXRTN_4654211.lnk
Resource
win10v2004-20220414-en
Behavioral task
behavioral5
Sample
WindowsCodecs.dll
Resource
win7-20220414-en
Behavioral task
behavioral6
Sample
WindowsCodecs.dll
Resource
win10v2004-20220414-en
Behavioral task
behavioral7
Sample
calc.exe
Resource
win7-20220414-en
Behavioral task
behavioral8
Sample
calc.exe
Resource
win10v2004-20220414-en
General
-
Target
WindowsCodecs.dll
-
Size
4KB
-
MD5
491e9489c9e11f8b9d3d77239559a194
-
SHA1
f5df8d4edfdc22646c106259c21abe8d79195e31
-
SHA256
6e3661049bde832369781afa1d9034315442b1e4b87aa92d571cbe73186997c5
-
SHA512
ef0bd113fe6b64d7673b33cce559bdc0cfc99c81baac78c4a15b00b7eeb07470aa36e0f29a695b615fe149858a23733015c467948d889ffbee9a1fc916e2ceae
Malware Config
Extracted
qakbot
403.780
obama200
1657548298
172.115.177.204:2222
89.101.97.139:443
186.90.153.162:2222
38.70.253.226:2222
120.150.218.241:995
72.252.157.93:995
72.252.157.93:993
94.36.193.176:2222
47.23.89.60:993
89.211.209.234:2222
76.25.142.196:443
46.100.25.239:61202
24.158.23.166:995
69.14.172.24:443
92.132.132.81:2222
37.34.253.233:443
93.48.80.198:995
174.80.15.101:2083
24.178.196.158:2222
197.89.20.137:443
66.230.104.103:443
177.94.65.26:32101
208.107.221.224:443
100.38.242.113:995
24.55.67.176:443
40.134.246.185:995
24.139.72.117:443
74.14.5.179:2222
67.209.195.198:443
148.64.96.100:443
217.128.122.65:2222
196.203.37.215:80
47.180.172.159:443
32.221.224.140:995
117.248.109.38:21
70.46.220.114:443
176.45.218.138:995
94.59.15.180:2222
84.241.8.23:32103
81.158.239.251:2078
179.158.105.44:443
104.34.212.7:32103
41.228.22.180:443
217.165.157.202:995
109.12.111.14:443
67.165.206.193:993
111.125.245.116:995
1.161.79.116:443
1.161.79.116:995
81.193.30.90:443
103.133.11.10:995
174.69.215.101:443
173.21.10.71:2222
197.94.75.223:443
45.46.53.140:2222
96.37.113.36:993
120.61.3.142:443
182.52.159.24:443
190.252.242.69:443
187.172.164.12:443
201.172.23.72:2222
70.51.137.244:2222
37.208.131.49:50010
173.174.216.62:443
103.246.242.202:443
72.252.157.93:990
63.143.92.99:995
106.51.48.188:50001
182.191.92.203:995
86.97.246.166:1194
121.7.223.45:2222
67.69.166.79:2222
47.156.129.52:443
82.41.63.217:443
37.186.58.99:995
45.241.254.69:993
39.49.41.221:995
88.240.59.52:443
39.44.60.200:995
86.97.10.37:443
86.98.157.114:993
39.52.59.221:995
39.41.16.210:995
86.97.246.166:2222
86.213.75.30:2078
39.57.56.11:995
24.43.99.75:443
101.50.67.155:995
108.56.213.219:995
189.253.167.141:443
5.32.41.45:443
177.189.180.214:32101
39.53.124.57:995
80.11.74.81:2222
41.84.224.109:443
103.116.178.85:995
209.15.76.228:443
184.97.29.26:443
102.65.60.92:443
39.52.221.9:995
-
salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 816 regsvr32.exe -
Drops file in System32 directory 1 IoCs
Processes:
powershell.exedescription ioc process File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Modifies data under HKEY_USERS 2 IoCs
Processes:
powershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = d0aed815cd95d801 powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
regsvr32.exeexplorer.exepowershell.exepid process 940 regsvr32.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1400 powershell.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe 1476 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
regsvr32.exepid process 940 regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1400 powershell.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeexplorer.exetaskeng.exepowershell.exeregsvr32.exedescription pid process target process PID 1756 wrote to memory of 888 1756 regsvr32.exe regsvr32.exe PID 1756 wrote to memory of 888 1756 regsvr32.exe regsvr32.exe PID 1756 wrote to memory of 888 1756 regsvr32.exe regsvr32.exe PID 1756 wrote to memory of 888 1756 regsvr32.exe regsvr32.exe PID 1756 wrote to memory of 888 1756 regsvr32.exe regsvr32.exe PID 1756 wrote to memory of 888 1756 regsvr32.exe regsvr32.exe PID 1756 wrote to memory of 888 1756 regsvr32.exe regsvr32.exe PID 888 wrote to memory of 940 888 regsvr32.exe regsvr32.exe PID 888 wrote to memory of 940 888 regsvr32.exe regsvr32.exe PID 888 wrote to memory of 940 888 regsvr32.exe regsvr32.exe PID 888 wrote to memory of 940 888 regsvr32.exe regsvr32.exe PID 888 wrote to memory of 940 888 regsvr32.exe regsvr32.exe PID 888 wrote to memory of 940 888 regsvr32.exe regsvr32.exe PID 888 wrote to memory of 940 888 regsvr32.exe regsvr32.exe PID 940 wrote to memory of 1476 940 regsvr32.exe explorer.exe PID 940 wrote to memory of 1476 940 regsvr32.exe explorer.exe PID 940 wrote to memory of 1476 940 regsvr32.exe explorer.exe PID 940 wrote to memory of 1476 940 regsvr32.exe explorer.exe PID 940 wrote to memory of 1476 940 regsvr32.exe explorer.exe PID 940 wrote to memory of 1476 940 regsvr32.exe explorer.exe PID 1476 wrote to memory of 1956 1476 explorer.exe schtasks.exe PID 1476 wrote to memory of 1956 1476 explorer.exe schtasks.exe PID 1476 wrote to memory of 1956 1476 explorer.exe schtasks.exe PID 1476 wrote to memory of 1956 1476 explorer.exe schtasks.exe PID 432 wrote to memory of 1400 432 taskeng.exe powershell.exe PID 432 wrote to memory of 1400 432 taskeng.exe powershell.exe PID 432 wrote to memory of 1400 432 taskeng.exe powershell.exe PID 1400 wrote to memory of 1948 1400 powershell.exe regsvr32.exe PID 1400 wrote to memory of 1948 1400 powershell.exe regsvr32.exe PID 1400 wrote to memory of 1948 1400 powershell.exe regsvr32.exe PID 1400 wrote to memory of 1948 1400 powershell.exe regsvr32.exe PID 1400 wrote to memory of 1948 1400 powershell.exe regsvr32.exe PID 1948 wrote to memory of 816 1948 regsvr32.exe regsvr32.exe PID 1948 wrote to memory of 816 1948 regsvr32.exe regsvr32.exe PID 1948 wrote to memory of 816 1948 regsvr32.exe regsvr32.exe PID 1948 wrote to memory of 816 1948 regsvr32.exe regsvr32.exe PID 1948 wrote to memory of 816 1948 regsvr32.exe regsvr32.exe PID 1948 wrote to memory of 816 1948 regsvr32.exe regsvr32.exe PID 1948 wrote to memory of 816 1948 regsvr32.exe regsvr32.exe
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\WindowsCodecs.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\WindowsCodecs.dll2⤵
- Suspicious use of WriteProcessMemory
PID:888 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe 102755.dll3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:940 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 08:55 /tn fveeryvhz /ET 09:06 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAMQAwADIANwA1ADUALgBkAGwAbAAiAA==" /SC ONCE5⤵
- Creates scheduled task(s)
PID:1956
-
C:\Windows\system32\taskeng.exetaskeng.exe {F2A9614E-B49B-40B6-9415-E8C39864C1EF} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:432 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAMQAwADIANwA1ADUALgBkAGwAbAAiAA==2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\system32\regsvr32.exe"C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\102755.dll3⤵
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\SysWOW64\regsvr32.exeC:\Users\Admin\AppData\Local\Temp\102755.dll4⤵
- Loads dropped DLL
PID:816
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\102755.dllFilesize
686KB
MD5628bb6106d55dc762ce439e5c33b06a4
SHA13888ef542fb1299258f83b0cd62f71d8887691e6
SHA256c0ba083bff21c52e20f97ffb1d20ada082e328d6a4f5561c10f4944f9187d375
SHA5121180a907bf5b06095d04cba610fa3571b325096b772aaec23b3cb1441200dd04ba3c824b8dfe3252e870c15a2967e8f37aea9f84f843ef27b302fe92dc760683
-
\Users\Admin\AppData\Local\Temp\102755.dllFilesize
686KB
MD5628bb6106d55dc762ce439e5c33b06a4
SHA13888ef542fb1299258f83b0cd62f71d8887691e6
SHA256c0ba083bff21c52e20f97ffb1d20ada082e328d6a4f5561c10f4944f9187d375
SHA5121180a907bf5b06095d04cba610fa3571b325096b772aaec23b3cb1441200dd04ba3c824b8dfe3252e870c15a2967e8f37aea9f84f843ef27b302fe92dc760683
-
memory/816-91-0x00000000005C0000-0x00000000005E2000-memory.dmpFilesize
136KB
-
memory/816-81-0x0000000000000000-mapping.dmp
-
memory/816-86-0x0000000000860000-0x000000000090E000-memory.dmpFilesize
696KB
-
memory/816-87-0x00000000005C0000-0x00000000005E2000-memory.dmpFilesize
136KB
-
memory/816-88-0x00000000005C0000-0x00000000005E2000-memory.dmpFilesize
136KB
-
memory/816-89-0x00000000005C0000-0x00000000005E2000-memory.dmpFilesize
136KB
-
memory/816-90-0x0000000000270000-0x00000000002AF000-memory.dmpFilesize
252KB
-
memory/888-55-0x0000000000000000-mapping.dmp
-
memory/888-56-0x00000000750C1000-0x00000000750C3000-memory.dmpFilesize
8KB
-
memory/940-60-0x0000000000330000-0x0000000000352000-memory.dmpFilesize
136KB
-
memory/940-65-0x0000000000280000-0x0000000000300000-memory.dmpFilesize
512KB
-
memory/940-69-0x0000000000330000-0x0000000000352000-memory.dmpFilesize
136KB
-
memory/940-64-0x0000000000330000-0x0000000000352000-memory.dmpFilesize
136KB
-
memory/940-63-0x0000000000280000-0x0000000000300000-memory.dmpFilesize
512KB
-
memory/940-62-0x0000000000330000-0x0000000000352000-memory.dmpFilesize
136KB
-
memory/940-61-0x0000000000330000-0x0000000000352000-memory.dmpFilesize
136KB
-
memory/940-59-0x00000000009E0000-0x0000000000A8E000-memory.dmpFilesize
696KB
-
memory/940-57-0x0000000000000000-mapping.dmp
-
memory/1400-83-0x0000000001274000-0x0000000001277000-memory.dmpFilesize
12KB
-
memory/1400-76-0x000007FEF2CA0000-0x000007FEF37FD000-memory.dmpFilesize
11.4MB
-
memory/1400-77-0x0000000001274000-0x0000000001277000-memory.dmpFilesize
12KB
-
memory/1400-84-0x000000000127B000-0x000000000129A000-memory.dmpFilesize
124KB
-
memory/1400-75-0x000007FEF3800000-0x000007FEF4223000-memory.dmpFilesize
10.1MB
-
memory/1400-73-0x0000000000000000-mapping.dmp
-
memory/1476-72-0x0000000000080000-0x00000000000A2000-memory.dmpFilesize
136KB
-
memory/1476-70-0x0000000000080000-0x00000000000A2000-memory.dmpFilesize
136KB
-
memory/1476-68-0x0000000074521000-0x0000000074523000-memory.dmpFilesize
8KB
-
memory/1476-66-0x0000000000000000-mapping.dmp
-
memory/1756-54-0x000007FEFBD21000-0x000007FEFBD23000-memory.dmpFilesize
8KB
-
memory/1948-78-0x0000000000000000-mapping.dmp
-
memory/1956-71-0x0000000000000000-mapping.dmp