Analysis
-
max time kernel
152s -
max time network
104s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
30-09-2021 15:18
Static task
static1
Behavioral task
behavioral1
Sample
2827b5836bd6d608b09e676ab834e5fd.dll
Resource
win7v20210408
General
-
Target
2827b5836bd6d608b09e676ab834e5fd.dll
-
Size
457KB
-
MD5
2827b5836bd6d608b09e676ab834e5fd
-
SHA1
bb30b4959b886447a7558853c42a8c00080d28eb
-
SHA256
17394b97a421b4ab7486925a3378dfc010723b1f51a993817983bcbde10872f1
-
SHA512
962670844b0a49edd55bf583ba7a2ab7b2da2e1482659a343860b1031cae34b456116140e7031ca994eba272c69ba0bac44ebc15afe4365360eed775014f4ef0
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
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 512 regsvr32.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 10 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qlegeyuyuezoc explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qlegeyuyuezoc\ae5466bd = 24e28c73ad9b9fedc36d3f0c4fa418bda9c49cc8f3263c7c885f2e746110922c83a4450bda6aea5f2e39ac7dbed47621cbd3e52ad8db07173092f1d14fbafbf4036d98e63d2218f0cc032f250884665d277123c6bf46b9d8c42d7ff74441a1c4ceb94f810c80ba4a09ac264ee871ced6989ce3ec335db0f1b84d98ddc4426a8f15ab1cb648e6a3f77f401b66bc039169e2fa096c0027775b26d214b77c066104754ed3f51e0522abd21511cb568da5c7d99b51543eb7a37101f70b9ff9bbe5 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qlegeyuyuezoc\14a921a4 = a0cae433de84a932a80705feca2a88192190 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qlegeyuyuezoc\d11d094b = d12120af87026ff7287d175e68e977a7f501da5ef855b6b3737248d59db93ed826cb3aaeca5dfafdb9fe904b7e7ce40a63904302b67b4db00128351fce5b0091ebab21d42040f115e6b3c362bc93113d60c20c explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qlegeyuyuezoc\16e801d8 = f02275bbd2cc4a69e5cb38c50b54b3a44f209321a07353c6c1c25a65a5a89656fc1b58ad86bca90fa1d623716a6af5da7bbf9817b1 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qlegeyuyuezoc\e482d905 = e3d81eac9e26b2c3e4cfb872ce9cdd22016568f7d956464b38a4c1c92831615caa930683c1f222619508572fb411550d77527129ba6cc0b601f45d89dfc1bfafcff8b45999ca608a5213a52e380cb6ea518103c0661cc7c687a98abaf218cec72d6c232f332942a9e3808ce13a48 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qlegeyuyuezoc\9bcbb6f3 = b301a1098a3dfcd71cdf13e93ec99cc86e3bf75db4 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qlegeyuyuezoc\ac1546c1 = 85466d14ab9b8420df17f81348276ab628758708dde1d62720af25bb18f3e6cb6382385f2187f87b03b34f03ba20695611519fc239314a00ee32a46f1466702440c238882f322896354576d93c0d731bd3895394ce333de3783fc4aa4f6c930a5df458a7b5345dd50428e5aa94496411 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qlegeyuyuezoc\69a16e2e = 3e5a417c20cad397a941f6de0fac3db23ceba3cba2bdb7203f explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Qlegeyuyuezoc\9bcbb6f3 = b301b6098a3dc93cc9bc810011552e8b9a89677cb9f1639528df292c5982b1a5d3eeb7fffde35b3f189c explorer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 1656 rundll32.exe 512 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 1656 rundll32.exe 512 regsvr32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 1072 wrote to memory of 1656 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 1656 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 1656 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 1656 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 1656 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 1656 1072 rundll32.exe rundll32.exe PID 1072 wrote to memory of 1656 1072 rundll32.exe rundll32.exe PID 1656 wrote to memory of 1924 1656 rundll32.exe explorer.exe PID 1656 wrote to memory of 1924 1656 rundll32.exe explorer.exe PID 1656 wrote to memory of 1924 1656 rundll32.exe explorer.exe PID 1656 wrote to memory of 1924 1656 rundll32.exe explorer.exe PID 1656 wrote to memory of 1924 1656 rundll32.exe explorer.exe PID 1656 wrote to memory of 1924 1656 rundll32.exe explorer.exe PID 1924 wrote to memory of 2044 1924 explorer.exe schtasks.exe PID 1924 wrote to memory of 2044 1924 explorer.exe schtasks.exe PID 1924 wrote to memory of 2044 1924 explorer.exe schtasks.exe PID 1924 wrote to memory of 2044 1924 explorer.exe schtasks.exe PID 1620 wrote to memory of 828 1620 taskeng.exe regsvr32.exe PID 1620 wrote to memory of 828 1620 taskeng.exe regsvr32.exe PID 1620 wrote to memory of 828 1620 taskeng.exe regsvr32.exe PID 1620 wrote to memory of 828 1620 taskeng.exe regsvr32.exe PID 1620 wrote to memory of 828 1620 taskeng.exe regsvr32.exe PID 828 wrote to memory of 512 828 regsvr32.exe regsvr32.exe PID 828 wrote to memory of 512 828 regsvr32.exe regsvr32.exe PID 828 wrote to memory of 512 828 regsvr32.exe regsvr32.exe PID 828 wrote to memory of 512 828 regsvr32.exe regsvr32.exe PID 828 wrote to memory of 512 828 regsvr32.exe regsvr32.exe PID 828 wrote to memory of 512 828 regsvr32.exe regsvr32.exe PID 828 wrote to memory of 512 828 regsvr32.exe regsvr32.exe PID 512 wrote to memory of 1104 512 regsvr32.exe explorer.exe PID 512 wrote to memory of 1104 512 regsvr32.exe explorer.exe PID 512 wrote to memory of 1104 512 regsvr32.exe explorer.exe PID 512 wrote to memory of 1104 512 regsvr32.exe explorer.exe PID 512 wrote to memory of 1104 512 regsvr32.exe explorer.exe PID 512 wrote to memory of 1104 512 regsvr32.exe explorer.exe PID 1104 wrote to memory of 1680 1104 explorer.exe reg.exe PID 1104 wrote to memory of 1680 1104 explorer.exe reg.exe PID 1104 wrote to memory of 1680 1104 explorer.exe reg.exe PID 1104 wrote to memory of 1680 1104 explorer.exe reg.exe PID 1104 wrote to memory of 756 1104 explorer.exe reg.exe PID 1104 wrote to memory of 756 1104 explorer.exe reg.exe PID 1104 wrote to memory of 756 1104 explorer.exe reg.exe PID 1104 wrote to memory of 756 1104 explorer.exe reg.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2827b5836bd6d608b09e676ab834e5fd.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2827b5836bd6d608b09e676ab834e5fd.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn gbkzluhb /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\2827b5836bd6d608b09e676ab834e5fd.dll\"" /SC ONCE /Z /ST 17:20 /ET 17:324⤵
- Creates scheduled task(s)
-
C:\Windows\system32\taskeng.exetaskeng.exe {7F6CE455-5C01-4F19-BCBD-D91A61185C70} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\2827b5836bd6d608b09e676ab834e5fd.dll"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\2827b5836bd6d608b09e676ab834e5fd.dll"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\reg.exeC:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Uyieviiifntu" /d "0"5⤵
-
C:\Windows\system32\reg.exeC:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Rqrwhsnrm" /d "0"5⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\2827b5836bd6d608b09e676ab834e5fd.dllMD5
2827b5836bd6d608b09e676ab834e5fd
SHA1bb30b4959b886447a7558853c42a8c00080d28eb
SHA25617394b97a421b4ab7486925a3378dfc010723b1f51a993817983bcbde10872f1
SHA512962670844b0a49edd55bf583ba7a2ab7b2da2e1482659a343860b1031cae34b456116140e7031ca994eba272c69ba0bac44ebc15afe4365360eed775014f4ef0
-
\Users\Admin\AppData\Local\Temp\2827b5836bd6d608b09e676ab834e5fd.dllMD5
2827b5836bd6d608b09e676ab834e5fd
SHA1bb30b4959b886447a7558853c42a8c00080d28eb
SHA25617394b97a421b4ab7486925a3378dfc010723b1f51a993817983bcbde10872f1
SHA512962670844b0a49edd55bf583ba7a2ab7b2da2e1482659a343860b1031cae34b456116140e7031ca994eba272c69ba0bac44ebc15afe4365360eed775014f4ef0
-
memory/512-82-0x0000000000180000-0x0000000000181000-memory.dmpFilesize
4KB
-
memory/512-77-0x0000000010000000-0x0000000010082000-memory.dmpFilesize
520KB
-
memory/512-73-0x0000000000000000-mapping.dmp
-
memory/756-84-0x0000000000000000-mapping.dmp
-
memory/828-70-0x0000000000000000-mapping.dmp
-
memory/828-71-0x000007FEFBC41000-0x000007FEFBC43000-memory.dmpFilesize
8KB
-
memory/1104-78-0x0000000000000000-mapping.dmp
-
memory/1104-83-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB
-
memory/1656-66-0x00000000001C0000-0x00000000001C1000-memory.dmpFilesize
4KB
-
memory/1656-62-0x0000000010000000-0x0000000010021000-memory.dmpFilesize
132KB
-
memory/1656-60-0x0000000000000000-mapping.dmp
-
memory/1656-63-0x0000000010000000-0x0000000010082000-memory.dmpFilesize
520KB
-
memory/1656-61-0x0000000075201000-0x0000000075203000-memory.dmpFilesize
8KB
-
memory/1680-81-0x0000000000000000-mapping.dmp
-
memory/1924-69-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB
-
memory/1924-67-0x0000000074831000-0x0000000074833000-memory.dmpFilesize
8KB
-
memory/1924-64-0x0000000000000000-mapping.dmp
-
memory/2044-68-0x0000000000000000-mapping.dmp