Analysis
-
max time kernel
147s -
max time network
56s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
13-10-2021 14:57
Static task
static1
Behavioral task
behavioral1
Sample
3.dll
Resource
win7v20210408
General
-
Target
3.dll
-
Size
1.2MB
-
MD5
678dfde77b44a773f680084f3b810dc5
-
SHA1
469ff8021685b37e1b14b6100e2c45b1e5485aec
-
SHA256
b01460ef8b600ad856760e131bc8e21e63c5e0e718fc7a7bf310e166e19d3c26
-
SHA512
e17c22ec8cc9c9206aa1b39ee6d202be74444de9243406c95406085b8e5736500f3774f7d551042e8ec291d6c2ca18826393b9ae3c17fa34d6f8bfcd7ef534f5
Malware Config
Extracted
qakbot
402.363
tr
1633943125
140.82.49.12:443
89.137.52.44:443
24.107.165.50:443
66.216.193.114:443
75.131.217.182:443
41.86.42.158:995
24.119.214.7:443
67.166.233.75:443
105.198.236.99:443
120.151.47.189:443
2.222.167.138:443
41.228.22.180:443
78.105.213.151:995
5.193.125.67:995
41.86.42.158:443
96.57.188.174:2078
120.150.218.241:995
66.177.215.152:0
122.11.220.212:2222
73.52.50.32:443
63.143.92.99:995
103.142.10.177:443
81.241.252.59:2078
167.248.117.81:443
220.255.25.28:2222
81.213.59.22:443
197.90.242.92:61201
197.89.144.3:443
103.148.120.144:443
181.118.183.94:443
94.200.181.154:443
209.236.35.178:443
67.230.44.194:443
188.50.52.75:995
72.173.78.211:443
93.48.58.123:2222
81.250.153.227:2222
185.250.148.74:443
73.77.87.137:443
84.39.192.102:995
85.109.229.54:995
174.54.193.186:443
136.232.34.70:443
77.31.162.93:443
76.25.142.196:443
39.33.165.65:995
37.210.152.224:995
73.151.236.31:443
173.21.10.71:2222
186.32.163.199:443
73.230.205.91:443
71.74.12.34:443
75.188.35.168:443
181.4.53.6:465
89.101.97.139:443
68.204.7.158:443
45.46.53.140:2222
109.12.111.14:443
203.213.107.174:443
200.232.214.222:995
73.77.87.137:995
47.40.196.233:2222
86.8.177.143:443
67.165.206.193:993
216.201.162.158:443
199.27.127.129:443
209.50.20.255:443
72.27.211.245:995
77.57.204.78:443
27.223.92.142:995
99.227.243.24:993
187.250.159.104:443
187.172.230.218:443
69.30.186.190:443
177.94.34.42:995
24.139.72.117:443
24.229.150.54:995
177.170.201.134:995
72.252.201.69:443
47.22.148.6:443
98.157.235.126:443
124.123.42.115:2222
2.99.100.134:2222
182.176.180.73:443
80.6.192.58:443
40.131.140.155:995
162.244.227.34:443
110.174.64.179:995
202.134.178.157:443
189.136.217.97:995
24.55.112.61:443
66.103.170.104:2222
209.142.97.161:995
74.72.237.54:443
66.177.215.152:50010
131.191.107.34:995
75.75.179.226:443
24.171.50.5:443
49.33.237.65:443
173.25.162.221:443
201.6.246.227:995
66.177.215.152:443
217.17.56.163:2222
202.165.32.158:2222
39.52.229.8:995
42.60.70.14:443
73.140.38.124:443
167.248.100.227:443
63.70.164.200:443
189.131.221.201:443
181.84.114.46:443
167.248.99.149:443
177.94.21.110:995
50.54.32.149:443
189.224.181.39:443
177.94.125.59:995
73.130.180.25:443
217.17.56.163:2078
75.66.88.33:443
206.47.134.234:2222
167.248.54.34:2222
181.4.53.6:443
190.198.206.189:2222
167.248.111.245:443
96.46.103.226:443
73.25.124.140:2222
24.152.219.253:995
68.186.192.69:443
162.210.220.137:443
174.54.58.170:443
103.246.130.114:1194
103.246.130.35:21
103.246.130.2:20
103.246.130.122:20
103.157.122.198:995
4.34.193.180:995
159.2.51.200:2222
187.101.25.96:32100
76.84.230.103:443
174.59.35.191:443
173.63.245.129:443
143.131.13.161:443
75.163.81.130:995
76.84.32.159:443
147.92.51.49:443
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1844 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\Pqsauuseklqh explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pqsauuseklqh\646c2eb2 = c19ea5a642bf5f76b56d226dbb9301ae68de23404d7a22a2167f2c822d92a44f7ad514ae explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pqsauuseklqh\e94f9999 = aba4aa4f1f801700c437f4749fb81b6ae4b7c2ddd0415dbd51cd3de1a2f0c65ab82fdbcda90de8161ba384a7873abd85a53285068e1e324d18e3eb90a758f2 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pqsauuseklqh\dcd049d7 = cc3ca1c53f20987af931fe4828dca67886d8c525309663e1350a0395ececd474827f68240392b3de7cec208704f2724a75ff1a7b931be5cfdea72eb69bc769750aa47318f85887ebdd07af9ebd explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pqsauuseklqh\1b254144 = 2f96be649595c9fd38f3dfae963874570249d45546e52e1bca1cf50413b145903e4c7d3a931acf928c4486 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pqsauuseklqh\9606f66f = 24d362604e3c6572d8e9819a276a8ed209ad1b4636b145507a8900c917371239b8cedf75b3aade03f1407e85a754cd0c2753349f1fffbef5d08bdb9459008fede5c9b798 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pqsauuseklqh\9606f66f = 24d375604e3c5047cb41bf0e0008b542cac51d1e758361ef461cb6fbd0e1c2e7794eb71686b97e087be4b92ddbf14a explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pqsauuseklqh\a3992621 = 4c48aed8e8106d7e94fee1426fef99bdf0c3eb3dc9319d3dd26bc4168843298a9e99f11940476c9015ea88be83be81cacd0690daa07ade83e33d8b6bbf681c950af218b37628a7f394a7d7eaf9c555d462d5954e437aa0be82b4b001a2c2f28dc5396109d78d3efa6fb87f0bb977fb332f6f4ad13d4056aa35f3bcd8165d61de30f935bba99e6c35449921ad377120 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pqsauuseklqh\a1d8065d = e6d4e81195deb8aac44ec79717b35b786b7978b4c6629a1417b4615b5f12bb8b25a9 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pqsauuseklqh\19646138 = ef9ac3bbab8b3d06ccab5c837b6f3a2b0e1797849f5fab047748514d915b65b379904cac4bf094ec4f2a4097de019a9ac83d8fd77a5d4478dbc608ab8ddc79a335468b9454320b3b44dbd3388c17490475ab3e6117c6d0df80dd10d2f6d9836da3636275a9 explorer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 1492 rundll32.exe 1844 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 1492 rundll32.exe 1844 regsvr32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 1972 wrote to memory of 1492 1972 rundll32.exe rundll32.exe PID 1972 wrote to memory of 1492 1972 rundll32.exe rundll32.exe PID 1972 wrote to memory of 1492 1972 rundll32.exe rundll32.exe PID 1972 wrote to memory of 1492 1972 rundll32.exe rundll32.exe PID 1972 wrote to memory of 1492 1972 rundll32.exe rundll32.exe PID 1972 wrote to memory of 1492 1972 rundll32.exe rundll32.exe PID 1972 wrote to memory of 1492 1972 rundll32.exe rundll32.exe PID 1492 wrote to memory of 1344 1492 rundll32.exe explorer.exe PID 1492 wrote to memory of 1344 1492 rundll32.exe explorer.exe PID 1492 wrote to memory of 1344 1492 rundll32.exe explorer.exe PID 1492 wrote to memory of 1344 1492 rundll32.exe explorer.exe PID 1492 wrote to memory of 1344 1492 rundll32.exe explorer.exe PID 1492 wrote to memory of 1344 1492 rundll32.exe explorer.exe PID 1344 wrote to memory of 1632 1344 explorer.exe schtasks.exe PID 1344 wrote to memory of 1632 1344 explorer.exe schtasks.exe PID 1344 wrote to memory of 1632 1344 explorer.exe schtasks.exe PID 1344 wrote to memory of 1632 1344 explorer.exe schtasks.exe PID 1388 wrote to memory of 800 1388 taskeng.exe regsvr32.exe PID 1388 wrote to memory of 800 1388 taskeng.exe regsvr32.exe PID 1388 wrote to memory of 800 1388 taskeng.exe regsvr32.exe PID 1388 wrote to memory of 800 1388 taskeng.exe regsvr32.exe PID 1388 wrote to memory of 800 1388 taskeng.exe regsvr32.exe PID 800 wrote to memory of 1844 800 regsvr32.exe regsvr32.exe PID 800 wrote to memory of 1844 800 regsvr32.exe regsvr32.exe PID 800 wrote to memory of 1844 800 regsvr32.exe regsvr32.exe PID 800 wrote to memory of 1844 800 regsvr32.exe regsvr32.exe PID 800 wrote to memory of 1844 800 regsvr32.exe regsvr32.exe PID 800 wrote to memory of 1844 800 regsvr32.exe regsvr32.exe PID 800 wrote to memory of 1844 800 regsvr32.exe regsvr32.exe PID 1844 wrote to memory of 1376 1844 regsvr32.exe explorer.exe PID 1844 wrote to memory of 1376 1844 regsvr32.exe explorer.exe PID 1844 wrote to memory of 1376 1844 regsvr32.exe explorer.exe PID 1844 wrote to memory of 1376 1844 regsvr32.exe explorer.exe PID 1844 wrote to memory of 1376 1844 regsvr32.exe explorer.exe PID 1844 wrote to memory of 1376 1844 regsvr32.exe explorer.exe PID 1376 wrote to memory of 600 1376 explorer.exe reg.exe PID 1376 wrote to memory of 600 1376 explorer.exe reg.exe PID 1376 wrote to memory of 600 1376 explorer.exe reg.exe PID 1376 wrote to memory of 600 1376 explorer.exe reg.exe PID 1376 wrote to memory of 1068 1376 explorer.exe reg.exe PID 1376 wrote to memory of 1068 1376 explorer.exe reg.exe PID 1376 wrote to memory of 1068 1376 explorer.exe reg.exe PID 1376 wrote to memory of 1068 1376 explorer.exe reg.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3.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 mjndxdsz /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\3.dll\"" /SC ONCE /Z /ST 17:00 /ET 17:124⤵
- Creates scheduled task(s)
-
C:\Windows\system32\taskeng.exetaskeng.exe {1C50CB68-F893-4128-A47A-919A58246FF0} 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\3.dll"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\3.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
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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:\ProgramData\Microsoft\Ibqqovtphhn" /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\Ubiwmlmogai" /d "0"5⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\3.dllMD5
678dfde77b44a773f680084f3b810dc5
SHA1469ff8021685b37e1b14b6100e2c45b1e5485aec
SHA256b01460ef8b600ad856760e131bc8e21e63c5e0e718fc7a7bf310e166e19d3c26
SHA512e17c22ec8cc9c9206aa1b39ee6d202be74444de9243406c95406085b8e5736500f3774f7d551042e8ec291d6c2ca18826393b9ae3c17fa34d6f8bfcd7ef534f5
-
\??\PIPE\wkssvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
-
\Users\Admin\AppData\Local\Temp\3.dllMD5
678dfde77b44a773f680084f3b810dc5
SHA1469ff8021685b37e1b14b6100e2c45b1e5485aec
SHA256b01460ef8b600ad856760e131bc8e21e63c5e0e718fc7a7bf310e166e19d3c26
SHA512e17c22ec8cc9c9206aa1b39ee6d202be74444de9243406c95406085b8e5736500f3774f7d551042e8ec291d6c2ca18826393b9ae3c17fa34d6f8bfcd7ef534f5
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memory/600-87-0x0000000000000000-mapping.dmp
-
memory/800-72-0x0000000000000000-mapping.dmp
-
memory/800-73-0x000007FEFC1D1000-0x000007FEFC1D3000-memory.dmpFilesize
8KB
-
memory/1068-88-0x0000000000000000-mapping.dmp
-
memory/1344-66-0x0000000000340000-0x0000000000342000-memory.dmpFilesize
8KB
-
memory/1344-71-0x0000000000310000-0x0000000000331000-memory.dmpFilesize
132KB
-
memory/1344-67-0x0000000000000000-mapping.dmp
-
memory/1344-69-0x0000000074CE1000-0x0000000074CE3000-memory.dmpFilesize
8KB
-
memory/1376-83-0x0000000000000000-mapping.dmp
-
memory/1376-89-0x0000000000310000-0x0000000000331000-memory.dmpFilesize
132KB
-
memory/1492-60-0x0000000000000000-mapping.dmp
-
memory/1492-64-0x0000000074E50000-0x0000000075022000-memory.dmpFilesize
1.8MB
-
memory/1492-65-0x0000000000130000-0x0000000000131000-memory.dmpFilesize
4KB
-
memory/1492-63-0x0000000074E50000-0x0000000074E71000-memory.dmpFilesize
132KB
-
memory/1492-62-0x0000000074E50000-0x0000000075022000-memory.dmpFilesize
1.8MB
-
memory/1492-61-0x0000000075DA1000-0x0000000075DA3000-memory.dmpFilesize
8KB
-
memory/1632-70-0x0000000000000000-mapping.dmp
-
memory/1844-75-0x0000000000000000-mapping.dmp
-
memory/1844-78-0x0000000074560000-0x0000000074732000-memory.dmpFilesize
1.8MB
-
memory/1844-79-0x0000000074560000-0x0000000074581000-memory.dmpFilesize
132KB
-
memory/1844-80-0x0000000074560000-0x0000000074732000-memory.dmpFilesize
1.8MB
-
memory/1844-81-0x0000000000180000-0x0000000000181000-memory.dmpFilesize
4KB