Analysis
-
max time kernel
143s -
max time network
118s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
07-11-2021 08:01
Static task
static1
Behavioral task
behavioral1
Sample
b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll
Resource
win7-en-20211014
General
-
Target
b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll
-
Size
1.6MB
-
MD5
4f7a4448b2e7d0618b86ee1eb62469e9
-
SHA1
c5854232e23a72caa5a719dfb1badb58a98cac3a
-
SHA256
b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529
-
SHA512
40ca8de592e8cb4ff50e3fd5a82dc1a6695cc137efee27883e20f560dd47ed0b59c2fdb7a5c6fe71f94088abce3c69760b17bba9f480aa3b5fac44bdba6d49fc
Malware Config
Extracted
qakbot
402.363
tr
1634541613
120.150.218.241:995
24.119.214.7:443
103.143.8.71:443
81.241.252.59:2078
81.250.153.227:2222
174.54.193.186:443
73.52.50.32:443
39.49.122.240:995
86.220.112.26:2222
103.82.211.39:465
78.191.38.33:995
216.201.162.158:443
181.118.183.94:443
66.177.215.152:0
208.78.220.143:443
94.200.181.154:443
136.232.34.70:443
136.143.11.232:443
81.213.59.22:443
103.82.211.39:990
38.70.253.226:2222
98.203.26.168:443
199.27.127.129:443
31.167.109.100:443
93.48.58.123:2222
136.232.254.46:995
65.100.174.110:995
176.45.53.222:443
220.255.25.28:2222
91.178.126.51:995
37.210.155.239:995
105.198.236.99:995
117.215.228.151:443
129.208.61.171:995
115.96.64.9:995
196.207.140.40:995
76.25.142.196:443
24.231.209.2:2222
146.66.238.74:443
140.82.49.12:443
103.82.211.39:995
65.100.174.110:443
103.142.10.177:443
41.86.42.158:995
71.74.12.34:443
174.76.17.43:443
96.37.113.36:993
173.25.162.221:443
89.137.52.44:443
189.135.16.92:443
67.165.206.193:993
86.8.177.143:443
73.151.236.31:443
213.60.210.85:443
173.21.10.71:2222
89.101.97.139:443
45.46.53.140:2222
75.188.35.168:443
109.12.111.14:443
187.75.66.160:995
86.152.43.219:443
39.33.163.183:995
47.40.196.233:2222
187.149.227.40:443
167.248.117.81:443
78.105.213.151:995
197.89.6.10:443
41.228.22.180:443
116.193.136.10:443
122.179.158.212:443
103.148.120.144:443
77.57.204.78:443
182.176.180.73:443
103.82.211.39:993
63.143.92.99:995
117.202.161.73:2222
72.173.78.211:443
187.156.169.68:443
65.100.174.110:8443
189.146.41.71:443
68.204.7.158:443
65.100.174.110:6881
69.30.186.190:443
189.147.159.42:443
190.117.91.214:443
181.4.53.6:465
201.172.31.95:80
72.252.201.69:995
174.206.106.137:443
39.40.37.70:32100
187.172.199.200:443
24.139.72.117:443
24.229.150.54:995
2.222.167.138:443
37.117.191.19:2222
39.52.206.119:995
80.6.192.58:443
27.223.92.142:995
68.186.192.69:443
122.60.71.201:995
173.22.178.66:443
50.194.160.233:32100
50.194.160.233:465
24.55.112.61:443
2.221.12.60:443
201.68.60.118:995
50.194.160.233:995
65.100.174.110:32103
123.201.44.86:6881
177.76.251.27:995
67.230.44.194:443
109.200.192.84:443
73.230.205.91:443
27.59.32.229:443
189.252.137.204:32101
136.232.254.46:443
95.159.33.115:995
115.96.62.113:443
85.60.147.26:2078
75.131.217.182:443
85.60.147.26:2222
129.35.116.77:990
68.117.229.117:443
83.110.201.195:443
103.250.38.115:443
117.198.158.234:443
185.250.148.74:443
82.43.184.158:443
111.125.245.116:443
124.123.42.115:2222
189.252.166.130:32101
82.178.55.68:443
187.149.255.245:443
72.252.32.47:443
24.231.209.2:8443
105.242.94.246:995
24.231.209.2:50000
24.231.209.2:1194
24.107.165.50:443
50.194.160.233:993
50.194.160.233:22
24.231.209.2:2083
-
salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1384 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 Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pfcrmruqsymg\f35ccedb = e41c872d366bcd6a5bc52013dab9bdc27c27943144bae9d18f9826d11ad6ec0dacff39049eb222090810f71aad7a96b803e6d6eeb419227aa47526b6e269ac991ddcd17be00e25acf5ee8de9ce18d6c2516a35351b9c1ed7f23a36484de4476a670998 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Pfcrmruqsymg explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pfcrmruqsymg\7c3e598c = 5e23708241a4149105abbf3a6599cad9a2d13abccae091488e7333887bd5c423de492a5357658a24cb990400073e93cf4c9e45d323aedb414460 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pfcrmruqsymg\b98a7163 = 2fdc6b4e8bfa1a39f52d1aebce81c0 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pfcrmruqsymg\7e7f79f0 = b366f16754c2cd633ebab4def5b492bd62f493d787f24d07b783ba47161723e1e7d146ce9a34d056a5e62e43bb372af54a819131c1bec6bf568a20c90f80 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pfcrmruqsymg\8c15a12d = 882c0dc4325a8b3a45dd71fc2b66cd481a4f9e1981ba4f23ec7f6e8dcabf17dc81cb65cb93cc23ae4286ad4c5f3099868d3d22c3555f5f1330310a4c7adda2f17a97826945d0 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pfcrmruqsymg\f35ccedb = e41c902d366bf8cab2d6bca13a64c495bc3f38dcbaf1af43b4128f542627a34f72294012feb029cf7a9046c5620e1621025d2d95203ac6d2eada8e3aee0e090489ea4db88644ea7a9c474bbe70b0 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pfcrmruqsymg\c6c31e95 = 66b508d80ef5c490e5aa531bce48149bd9a7faba22329b21ab0b77dec4f8e9476d60c481479d4106be783ca118a4a6dc599aafe1365a558f14d96f3a5c18f5c8670cfcd49349e8d97fc779a76def699a3192468a99e8d0a86de6b2ce2e2e425d9405822a653c9b6a018ed6c3d181bf29a34100cb51b4ee1c28c8b1852d0111c868fe8327ea48f0 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pfcrmruqsymg\c4823ee9 = 78a1eb63b9d780ed3da17a1eef1c963d293dabb8cb9894dd3ca205cd188bd1ab6d5c39043ca25fbb73106511247a44ede0874414dd594f557f606831958c0044963ae718fec62fe58894ab959b4d36d9d534fedc4dce5b explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pfcrmruqsymg\1361606 = 6a9cac78e3050a2da208464d73b6f6b3b6b61410dc9d672a8823740f2d54ce161df9f5a9b7c69bb24456a63f1a882e0fea6865 explorer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 552 rundll32.exe 1384 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 552 rundll32.exe 1384 regsvr32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 1096 wrote to memory of 552 1096 rundll32.exe rundll32.exe PID 1096 wrote to memory of 552 1096 rundll32.exe rundll32.exe PID 1096 wrote to memory of 552 1096 rundll32.exe rundll32.exe PID 1096 wrote to memory of 552 1096 rundll32.exe rundll32.exe PID 1096 wrote to memory of 552 1096 rundll32.exe rundll32.exe PID 1096 wrote to memory of 552 1096 rundll32.exe rundll32.exe PID 1096 wrote to memory of 552 1096 rundll32.exe rundll32.exe PID 552 wrote to memory of 572 552 rundll32.exe explorer.exe PID 552 wrote to memory of 572 552 rundll32.exe explorer.exe PID 552 wrote to memory of 572 552 rundll32.exe explorer.exe PID 552 wrote to memory of 572 552 rundll32.exe explorer.exe PID 552 wrote to memory of 572 552 rundll32.exe explorer.exe PID 552 wrote to memory of 572 552 rundll32.exe explorer.exe PID 572 wrote to memory of 1908 572 explorer.exe schtasks.exe PID 572 wrote to memory of 1908 572 explorer.exe schtasks.exe PID 572 wrote to memory of 1908 572 explorer.exe schtasks.exe PID 572 wrote to memory of 1908 572 explorer.exe schtasks.exe PID 592 wrote to memory of 1336 592 taskeng.exe regsvr32.exe PID 592 wrote to memory of 1336 592 taskeng.exe regsvr32.exe PID 592 wrote to memory of 1336 592 taskeng.exe regsvr32.exe PID 592 wrote to memory of 1336 592 taskeng.exe regsvr32.exe PID 592 wrote to memory of 1336 592 taskeng.exe regsvr32.exe PID 1336 wrote to memory of 1384 1336 regsvr32.exe regsvr32.exe PID 1336 wrote to memory of 1384 1336 regsvr32.exe regsvr32.exe PID 1336 wrote to memory of 1384 1336 regsvr32.exe regsvr32.exe PID 1336 wrote to memory of 1384 1336 regsvr32.exe regsvr32.exe PID 1336 wrote to memory of 1384 1336 regsvr32.exe regsvr32.exe PID 1336 wrote to memory of 1384 1336 regsvr32.exe regsvr32.exe PID 1336 wrote to memory of 1384 1336 regsvr32.exe regsvr32.exe PID 1384 wrote to memory of 1316 1384 regsvr32.exe explorer.exe PID 1384 wrote to memory of 1316 1384 regsvr32.exe explorer.exe PID 1384 wrote to memory of 1316 1384 regsvr32.exe explorer.exe PID 1384 wrote to memory of 1316 1384 regsvr32.exe explorer.exe PID 1384 wrote to memory of 1316 1384 regsvr32.exe explorer.exe PID 1384 wrote to memory of 1316 1384 regsvr32.exe explorer.exe PID 1316 wrote to memory of 1836 1316 explorer.exe reg.exe PID 1316 wrote to memory of 1836 1316 explorer.exe reg.exe PID 1316 wrote to memory of 1836 1316 explorer.exe reg.exe PID 1316 wrote to memory of 1836 1316 explorer.exe reg.exe PID 1316 wrote to memory of 1268 1316 explorer.exe reg.exe PID 1316 wrote to memory of 1268 1316 explorer.exe reg.exe PID 1316 wrote to memory of 1268 1316 explorer.exe reg.exe PID 1316 wrote to memory of 1268 1316 explorer.exe reg.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:552 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious use of WriteProcessMemory
PID:572 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rrghbqaah /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll\"" /SC ONCE /Z /ST 09:07 /ET 09:194⤵
- Creates scheduled task(s)
PID:1908
-
C:\Windows\system32\taskeng.exetaskeng.exe {74FCE60B-A4BB-4B3B-B95C-354A6B1CEBC8} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:592 -
C:\Windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll"2⤵
- Suspicious use of WriteProcessMemory
PID:1336 -
C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dll"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1316 -
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\Bpuwdix" /d "0"5⤵PID:1836
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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\Yitvpqn" /d "0"5⤵PID:1268
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dllMD5
4f7a4448b2e7d0618b86ee1eb62469e9
SHA1c5854232e23a72caa5a719dfb1badb58a98cac3a
SHA256b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529
SHA51240ca8de592e8cb4ff50e3fd5a82dc1a6695cc137efee27883e20f560dd47ed0b59c2fdb7a5c6fe71f94088abce3c69760b17bba9f480aa3b5fac44bdba6d49fc
-
\Users\Admin\AppData\Local\Temp\b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529.dllMD5
4f7a4448b2e7d0618b86ee1eb62469e9
SHA1c5854232e23a72caa5a719dfb1badb58a98cac3a
SHA256b4abdad039b0eea9b5dae6f28c9945cb18d3603282866fb15c37697d14fff529
SHA51240ca8de592e8cb4ff50e3fd5a82dc1a6695cc137efee27883e20f560dd47ed0b59c2fdb7a5c6fe71f94088abce3c69760b17bba9f480aa3b5fac44bdba6d49fc
-
memory/552-55-0x0000000000000000-mapping.dmp
-
memory/552-56-0x0000000076431000-0x0000000076433000-memory.dmpFilesize
8KB
-
memory/552-57-0x0000000074660000-0x000000007480B000-memory.dmpFilesize
1.7MB
-
memory/552-58-0x0000000000170000-0x0000000000171000-memory.dmpFilesize
4KB
-
memory/552-59-0x0000000074660000-0x0000000074681000-memory.dmpFilesize
132KB
-
memory/552-60-0x0000000074660000-0x000000007480B000-memory.dmpFilesize
1.7MB
-
memory/572-61-0x00000000000B0000-0x00000000000B2000-memory.dmpFilesize
8KB
-
memory/572-66-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB
-
memory/572-64-0x0000000074851000-0x0000000074853000-memory.dmpFilesize
8KB
-
memory/572-62-0x0000000000000000-mapping.dmp
-
memory/1268-83-0x0000000000000000-mapping.dmp
-
memory/1316-81-0x00000000000E0000-0x0000000000101000-memory.dmpFilesize
132KB
-
memory/1316-78-0x0000000000000000-mapping.dmp
-
memory/1336-68-0x000007FEFBB21000-0x000007FEFBB23000-memory.dmpFilesize
8KB
-
memory/1336-67-0x0000000000000000-mapping.dmp
-
memory/1384-73-0x0000000073F10000-0x00000000740BB000-memory.dmpFilesize
1.7MB
-
memory/1384-75-0x0000000073F10000-0x00000000740BB000-memory.dmpFilesize
1.7MB
-
memory/1384-74-0x0000000073F10000-0x0000000073F31000-memory.dmpFilesize
132KB
-
memory/1384-76-0x0000000000170000-0x0000000000171000-memory.dmpFilesize
4KB
-
memory/1384-70-0x0000000000000000-mapping.dmp
-
memory/1836-82-0x0000000000000000-mapping.dmp
-
memory/1908-65-0x0000000000000000-mapping.dmp