Analysis
-
max time kernel
144s -
max time network
120s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
22-12-2021 17:29
Static task
static1
Behavioral task
behavioral1
Sample
1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dll
Resource
win7-en-20211208
General
-
Target
1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dll
-
Size
1.8MB
-
MD5
18395aac0377ac8ce575344f6717bcb9
-
SHA1
f5af9d161d5369fb0270a671d5505805a3140204
-
SHA256
1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd
-
SHA512
ac3a524b37a396b878ee131704213e32cf14044892ab49cae9ce8a4721dfb28e590787d03e5b93bd1b0706d762e95557c48827c29521b130ed2983d540a31868
Malware Config
Extracted
qakbot
403.10
cullinan
1640170781
14.96.108.245:61202
182.191.92.203:995
136.232.34.70:443
93.48.80.198:995
140.82.49.12:443
32.221.229.7:443
24.152.219.253:995
31.35.28.29:443
96.37.113.36:993
190.39.205.165:443
79.173.195.234:443
39.49.66.100:995
103.139.242.30:22
79.167.192.206:995
45.9.20.200:2211
24.95.61.62:443
37.210.226.125:61202
103.139.242.30:995
70.163.1.219:443
103.143.8.71:6881
76.169.147.192:32103
136.143.11.232:443
63.153.187.104:443
24.53.49.240:443
94.200.181.154:995
149.135.101.20:443
67.209.195.198:443
209.210.95.228:32100
96.80.109.57:995
80.14.196.176:2222
38.70.253.226:2222
24.222.20.254:443
102.65.38.67:443
217.128.93.27:2222
106.51.48.170:50001
218.101.110.3:995
82.152.39.39:443
24.178.196.158:2222
74.15.2.252:2222
103.142.10.177:443
217.165.123.47:61200
89.101.97.139:443
120.150.218.241:995
117.248.109.38:21
190.73.3.148:2222
105.106.30.144:443
186.64.87.213:443
96.21.251.127:2222
111.125.245.116:995
182.176.180.73:443
188.159.111.126:443
178.153.86.181:443
31.215.70.105:443
73.151.236.31:443
121.175.104.13:32100
182.56.66.96:443
41.228.22.180:443
217.164.247.241:2222
103.139.242.30:990
173.21.10.71:2222
59.6.7.83:61200
121.175.104.13:443
76.25.142.196:443
71.74.12.34:443
94.60.254.81:443
201.172.31.95:80
187.162.59.232:995
65.100.174.110:8443
100.1.119.41:443
70.51.134.181:2222
79.160.207.214:443
40.134.247.125:995
70.224.68.92:443
105.198.236.99:995
173.25.166.81:443
176.205.152.44:443
108.4.67.252:443
109.12.111.14:443
24.55.112.61:443
50.237.134.22:995
189.174.46.65:995
75.188.35.168:443
187.189.86.168:443
114.79.148.170:443
176.24.150.197:443
95.5.133.68:995
86.98.52.117:443
200.54.14.34:80
72.252.201.34:995
103.139.242.30:443
103.139.242.30:465
103.139.242.30:993
78.101.89.174:2222
78.101.89.174:443
73.5.119.219:443
23.233.146.92:443
89.137.52.44:443
74.5.148.57:443
68.186.192.69:443
50.33.112.74:995
70.93.80.154:995
75.169.58.229:32100
63.143.92.99:995
217.39.100.89:443
46.9.77.245:995
173.71.147.134:995
75.110.250.187:443
185.249.85.205:443
65.100.174.110:443
82.78.212.133:443
83.110.107.123:443
59.88.168.108:443
65.128.74.102:443
67.165.206.193:993
68.204.7.158:443
78.101.82.198:995
80.6.192.58:443
41.97.234.150:995
114.79.145.28:443
188.54.96.91:443
50.238.6.36:443
217.165.11.65:61200
103.143.8.71:995
2.178.67.97:61202
86.198.237.51:2222
88.253.171.236:995
187.172.146.123:443
92.167.4.71:2222
189.30.244.252:995
194.36.28.26:443
84.199.230.66:443
14.96.67.177:443
182.56.57.23:995
87.70.118.51:443
93.48.58.123:2222
69.46.15.180:443
23.82.128.108:443
5.36.7.212:443
200.75.131.234:443
82.77.137.101:995
187.201.90.81:443
201.172.31.95:443
216.238.72.121:443
216.238.71.31:995
-
salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1828 regsvr32.exe -
Drops file in System32 directory 2 IoCs
Processes:
regsvr32.exeregsvr32.exedescription ioc process File opened for modification C:\Windows\System32\CatRoot2\dberr.txt regsvr32.exe File opened for modification C:\Windows\System32\CatRoot2\dberr.txt 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\Ilwjbakvouye\95737339 = 9dea42001c7bfdfc76f095296b6e9a1fb56d27d67ed389934823f09991ed742f1c43a3fe3a57c5119c979ad3b1c203acfa2a59f159b6a9cdedd1c1 explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ilwjbakvouye explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ilwjbakvouye\a2ad830b = 2a4f4fbc6c593d67298c7fef1c16026b42d5b3e18b1cc6e7860d6feb9e54bdbe97f73ae98e4be3c07f69e794c1c1c1472ff7b6ccf9a66b7969d08b1e7a7d94710689fb42f2 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ilwjbakvouye\dfa5cc81 = 0ff40d225f2319afdb8a38a005f69be57af7765522419a4272351c887630cfac08af082751eaa40f47b7e27be6b96cc41b864103d9ba633f4ac0 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ilwjbakvouye\ea3a1ccf = 4f0e8800b6c42ee1e2734b21534f7b3491d70809435a7a3924dc0292dc3e0426908bf175c98e99dcc48db1ab5d1b0fbaa32bc45654a1288c70d01fa741 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ilwjbakvouye\1850c412 = 1c6ff50554fc4a81c8c23344f206fa6e089ddf5675eaa59ab898626e5b429bb7cc15c14cdd5d4cd1e7afbf8c5f22c34aa1d26c10d37295b1156c904cb492f2fff414e160130cb8f6171386a531277ddba88c9c33 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ilwjbakvouye\95737339 = 9dea55001c7bc80ed983ae7ce0d00e5f5c79ffc11e0dc4964aa37a2483937d4642a03fb7a717 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ilwjbakvouye\a0eca377 = eeb89c0a8d6ea66341546875def83f34604f04ddb8547eef2b3d6296bddbbdcd0573b679e1f004218fd2422a36a32307b2dc7c4cee232f531cdf65042120a70d04371a1d70636b0cf6fa284517311eaa85185662cf4ee31d32d74cbd63550a6438bff81f0de3caacae37 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ilwjbakvouye\1a11e46e = a3c746e27a37db7aba351572020218a9dd8a5e25fb2da8c624cd328ff92a9d6ba9400ec7985e56856c97f40067a46586969a9e31d7e70461d018cb explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Ilwjbakvouye\6719abe4 = 1c8645f7899d49dec429435c7dd5e61684258c73ecec59c472681f1319e228833d8d49c0db5e61a7cb9754d2ffab1e5e9e4170922cc863cac8cbfcd6 explorer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 1580 regsvr32.exe 1828 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 1580 regsvr32.exe 1828 regsvr32.exe -
Suspicious use of FindShellTrayWindow 40 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe -
Suspicious use of SendNotifyMessage 20 IoCs
Processes:
regsvr32.exepid process 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe 1580 regsvr32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
regsvr32.exeregsvr32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 968 wrote to memory of 1580 968 regsvr32.exe regsvr32.exe PID 968 wrote to memory of 1580 968 regsvr32.exe regsvr32.exe PID 968 wrote to memory of 1580 968 regsvr32.exe regsvr32.exe PID 968 wrote to memory of 1580 968 regsvr32.exe regsvr32.exe PID 968 wrote to memory of 1580 968 regsvr32.exe regsvr32.exe PID 968 wrote to memory of 1580 968 regsvr32.exe regsvr32.exe PID 968 wrote to memory of 1580 968 regsvr32.exe regsvr32.exe PID 1580 wrote to memory of 572 1580 regsvr32.exe explorer.exe PID 1580 wrote to memory of 572 1580 regsvr32.exe explorer.exe PID 1580 wrote to memory of 572 1580 regsvr32.exe explorer.exe PID 1580 wrote to memory of 572 1580 regsvr32.exe explorer.exe PID 1580 wrote to memory of 572 1580 regsvr32.exe explorer.exe PID 1580 wrote to memory of 572 1580 regsvr32.exe explorer.exe PID 572 wrote to memory of 1456 572 explorer.exe schtasks.exe PID 572 wrote to memory of 1456 572 explorer.exe schtasks.exe PID 572 wrote to memory of 1456 572 explorer.exe schtasks.exe PID 572 wrote to memory of 1456 572 explorer.exe schtasks.exe PID 1508 wrote to memory of 1448 1508 taskeng.exe regsvr32.exe PID 1508 wrote to memory of 1448 1508 taskeng.exe regsvr32.exe PID 1508 wrote to memory of 1448 1508 taskeng.exe regsvr32.exe PID 1508 wrote to memory of 1448 1508 taskeng.exe regsvr32.exe PID 1508 wrote to memory of 1448 1508 taskeng.exe regsvr32.exe PID 1448 wrote to memory of 1828 1448 regsvr32.exe regsvr32.exe PID 1448 wrote to memory of 1828 1448 regsvr32.exe regsvr32.exe PID 1448 wrote to memory of 1828 1448 regsvr32.exe regsvr32.exe PID 1448 wrote to memory of 1828 1448 regsvr32.exe regsvr32.exe PID 1448 wrote to memory of 1828 1448 regsvr32.exe regsvr32.exe PID 1448 wrote to memory of 1828 1448 regsvr32.exe regsvr32.exe PID 1448 wrote to memory of 1828 1448 regsvr32.exe regsvr32.exe PID 1828 wrote to memory of 1736 1828 regsvr32.exe explorer.exe PID 1828 wrote to memory of 1736 1828 regsvr32.exe explorer.exe PID 1828 wrote to memory of 1736 1828 regsvr32.exe explorer.exe PID 1828 wrote to memory of 1736 1828 regsvr32.exe explorer.exe PID 1828 wrote to memory of 1736 1828 regsvr32.exe explorer.exe PID 1828 wrote to memory of 1736 1828 regsvr32.exe explorer.exe PID 1736 wrote to memory of 452 1736 explorer.exe reg.exe PID 1736 wrote to memory of 452 1736 explorer.exe reg.exe PID 1736 wrote to memory of 452 1736 explorer.exe reg.exe PID 1736 wrote to memory of 452 1736 explorer.exe reg.exe PID 1736 wrote to memory of 1976 1736 explorer.exe reg.exe PID 1736 wrote to memory of 1976 1736 explorer.exe reg.exe PID 1736 wrote to memory of 1976 1736 explorer.exe reg.exe PID 1736 wrote to memory of 1976 1736 explorer.exe reg.exe
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dll1⤵
- Suspicious use of WriteProcessMemory
PID:968 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dll2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1580 -
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 bymwxkgvlr /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dll\"" /SC ONCE /Z /ST 18:32 /ET 18:444⤵
- Creates scheduled task(s)
PID:1456
-
C:\Windows\system32\taskeng.exetaskeng.exe {3F1C9469-6F49-4013-9AA1-F052686C18C4} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dll"2⤵
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dll"3⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:1736 -
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\Oqkylrdzvna" /d "0"5⤵PID:452
-
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\Nutietnzxut" /d "0"5⤵PID:1976
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dllMD5
18395aac0377ac8ce575344f6717bcb9
SHA1f5af9d161d5369fb0270a671d5505805a3140204
SHA2561992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd
SHA512ac3a524b37a396b878ee131704213e32cf14044892ab49cae9ce8a4721dfb28e590787d03e5b93bd1b0706d762e95557c48827c29521b130ed2983d540a31868
-
C:\Windows\System32\CatRoot2\dberr.txtMD5
c53a8e5c79da2521fe536b7e802ec824
SHA1a84f5150a164082367a17956c8cc42546df339de
SHA256043d4e57d809ff7132f49ac770ac62b3b342370864ea691af55701fb239e5327
SHA512df38bbda817fa080864774c6efab8e01ca6b5695d5494a6d23e5c7123a9e7b4dd5efdcb2f36755c4a9a6f6187c89aab92c1ccb21ed9bfe87e88c6e4ba9972c12
-
\??\PIPE\wkssvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
-
\Users\Admin\AppData\Local\Temp\1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dllMD5
18395aac0377ac8ce575344f6717bcb9
SHA1f5af9d161d5369fb0270a671d5505805a3140204
SHA2561992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd
SHA512ac3a524b37a396b878ee131704213e32cf14044892ab49cae9ce8a4721dfb28e590787d03e5b93bd1b0706d762e95557c48827c29521b130ed2983d540a31868
-
memory/452-78-0x0000000000000000-mapping.dmp
-
memory/572-59-0x00000000000B0000-0x00000000000B2000-memory.dmpFilesize
8KB
-
memory/572-60-0x0000000000000000-mapping.dmp
-
memory/572-62-0x0000000074201000-0x0000000074203000-memory.dmpFilesize
8KB
-
memory/572-64-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB
-
memory/968-54-0x000007FEFB801000-0x000007FEFB803000-memory.dmpFilesize
8KB
-
memory/1448-65-0x0000000000000000-mapping.dmp
-
memory/1456-63-0x0000000000000000-mapping.dmp
-
memory/1580-58-0x0000000010000000-0x00000000101DC000-memory.dmpFilesize
1.9MB
-
memory/1580-57-0x0000000000770000-0x0000000000771000-memory.dmpFilesize
4KB
-
memory/1580-56-0x0000000074F11000-0x0000000074F13000-memory.dmpFilesize
8KB
-
memory/1580-55-0x0000000000000000-mapping.dmp
-
memory/1736-73-0x0000000000000000-mapping.dmp
-
memory/1736-77-0x00000000003B0000-0x00000000003D1000-memory.dmpFilesize
132KB
-
memory/1828-68-0x0000000000000000-mapping.dmp
-
memory/1976-79-0x0000000000000000-mapping.dmp