Analysis
-
max time kernel
138s -
max time network
133s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
26-01-2022 16:03
Static task
static1
Behavioral task
behavioral1
Sample
cen3.dll
Resource
win7-en-20211208
General
-
Target
cen3.dll
-
Size
548KB
-
MD5
19005bd8addce657424ca555c7a2403f
-
SHA1
8227fbd80c01eb1c1af4156b31acba4eab324735
-
SHA256
982c0bd21a4500fc6e377135ebee2a28f03b06116f06f2a104bef5fdacf11100
-
SHA512
ccb234b74512f7112a2bc91feb3a3b05f1f9f6da269c18d4081bafe03586b84f778b144f1e8b76bad542575de77365bd020789d77fd37138a5d2e59af24e24b5
Malware Config
Extracted
qakbot
403.10
tr
1643025272
103.143.8.71:6881
37.210.172.200:2222
136.143.11.232:443
190.73.3.148:2222
78.101.147.76:61202
82.152.39.39:443
65.100.174.110:995
65.100.174.110:443
111.125.245.116:995
117.248.109.38:21
31.215.99.178:443
103.142.10.177:443
39.49.110.129:995
86.97.246.244:1194
68.204.7.158:443
217.128.93.27:2222
144.86.28.125:443
94.59.253.222:2222
120.150.218.241:995
185.249.85.209:443
69.14.172.24:443
94.200.181.154:995
182.191.92.203:995
24.95.61.62:443
86.97.246.244:2222
89.137.52.44:443
70.163.1.219:443
220.255.25.1:2222
24.178.196.158:2222
103.139.242.30:993
96.80.109.57:995
209.210.95.228:32100
180.233.150.134:995
149.135.101.20:443
38.70.253.226:2222
24.222.20.254:443
83.110.2.97:443
78.87.44.54:995
86.108.46.251:443
74.15.2.252:2222
102.65.38.67:443
37.203.225.248:443
75.139.7.190:2083
24.53.49.240:443
80.14.196.176:2222
94.60.254.81:443
86.98.32.228:443
130.164.129.3:443
176.67.56.94:443
31.167.160.170:443
31.35.28.29:443
32.221.231.1:443
71.74.12.34:443
96.21.251.127:2222
41.86.42.158:995
41.228.22.180:443
93.48.80.198:995
45.9.20.200:443
86.98.47.119:61200
96.246.158.154:995
89.114.156.182:995
67.209.195.198:443
75.156.151.34:443
89.101.97.139:443
182.56.101.61:443
128.106.122.39:443
31.215.226.115:2222
76.25.142.196:443
173.21.10.71:2222
142.186.63.108:2222
60.54.102.15:443
73.151.236.31:443
73.136.32.202:443
5.32.41.46:443
78.180.191.206:995
109.12.111.14:443
40.134.247.125:995
31.215.99.6:443
217.164.76.107:2078
80.6.192.58:443
63.143.92.99:995
27.5.4.194:2078
86.133.23.70:443
116.86.26.140:995
90.8.56.248:2222
101.50.120.112:995
67.165.206.193:993
100.1.119.41:443
31.215.29.238:443
186.64.87.207:443
190.206.211.182:443
218.101.110.3:995
103.139.242.30:990
136.232.34.70:443
73.67.152.98:2222
47.158.25.67:443
187.189.86.168:443
72.252.201.34:995
72.252.201.34:990
70.51.153.245:2222
108.4.67.252:443
70.45.174.173:443
72.252.201.34:993
217.165.109.189:32101
114.79.148.170:443
197.89.105.165:443
182.176.180.73:443
75.188.35.168:443
27.223.92.142:995
200.75.131.234:443
71.163.110.53:995
75.168.192.223:2222
107.77.232.51:443
201.172.31.135:80
83.110.98.231:995
96.37.113.36:993
78.191.27.236:995
78.96.235.245:443
23.229.117.237:443
91.185.131.89:61202
76.169.147.192:32103
114.143.84.25:61202
92.98.33.251:995
23.233.146.92:443
75.169.58.229:32100
184.100.174.73:443
50.237.134.22:995
36.234.184.238:995
65.100.174.110:8443
59.12.216.39:443
103.139.242.30:22
190.45.79.111:443
176.24.150.197:443
106.51.48.170:50001
111.119.252.178:995
73.59.201.174:443
-
salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1528 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\Pbeokyoi explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pbeokyoi\e5c5bb4f = c232785aa0fa949e08a13ac44b05a0b2210d6aafabef7db9a083169c285e0421986b60e0abe6456fbd1614 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pbeokyoi\d05a6b01 = a0050bd684a500e6b789e1e3f4135a5e090693b6a878d536514f6cdee78bd3f26b7b8d60e8313c54890a6e0d5cf8025912e862490d4387deb2a139e3c57127820a416f946213c184041eca64d063 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pbeokyoi\af1304f7 = f7cf638b858ee9789d26d63aaa6d97a648271b7a3596443e2deea991289fcb264791e50dc4cc351f96bab63f3b460eb0f8c13af13cd66f0262f2559a788524e0cb58c894e50e096f61c7c4e191293d7117ea2fe8ec2a0503387dab60850034d45da2b6a8cfc153aa73500a4e explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pbeokyoi\2230b3dc = 9de411e5b793c6bf6ae19ac2aeffc8e7b636fabd4a8c90a3618505a103cf3cea3300be1a681447e64800a8077be1ffed explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pbeokyoi\af1304f7 = f7cf748b858edc994a333246cb85086e8adb867788f4ccd3fbf37a15b7ebd2de971d7972f75651df56a9de250a967b9531de40f216c570cca419a2b3ca058805222d1d6ebe4df291fabf3d969c6c501e461760e8bcf99f explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pbeokyoi\9a8cd4b9 = c18287573f662d4d3298cfda6c69c6e7ed7ce481c8bc0b08f35bd9be2aecd6e68d71d44bc305e95c664bb5728e3d4ba41c21d5872226cc4306bdb7b95c74a8097fa4169c5606801278a3ccf81afc2f88af7e7805571392612df4489cee04f1375a11f864ae68580e1ef4d5f96ab0528d282ae0b8d1557078fe5493c24aec3df85dfbf89af750862ed7149ee01a54ecaf936a1c78bbe37e40e2d08d8dbf76e7cb7f61b3e540ec141fef786b7615ec69 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pbeokyoi\98cdf4c5 = a627bbd7e98e71d5e2a99b3fe8d6167b381bb68ba394a0acb190f8116d3970480bcfde1dd1fa8f0ac60fc90accc25b explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pbeokyoi\207193a0 = d8237950c0a72055499b1849cc4595ba825b9e3335d629ff9440e6d33f3d026d277e007f21dd88f7af2b017655cf3a303f40b1a31595f5475ce8bd8c4194d5ff228ac76b1949c505e763e4d7ce1923c146f0144bd095735e874d2a497fb36b6c72b6076b30f032 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Pbeokyoi\5d79dc2a = e48f554a98591cd97b93e70f943d6d explorer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 520 regsvr32.exe 1528 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 520 regsvr32.exe 1528 regsvr32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
regsvr32.exeregsvr32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 288 wrote to memory of 520 288 regsvr32.exe regsvr32.exe PID 288 wrote to memory of 520 288 regsvr32.exe regsvr32.exe PID 288 wrote to memory of 520 288 regsvr32.exe regsvr32.exe PID 288 wrote to memory of 520 288 regsvr32.exe regsvr32.exe PID 288 wrote to memory of 520 288 regsvr32.exe regsvr32.exe PID 288 wrote to memory of 520 288 regsvr32.exe regsvr32.exe PID 288 wrote to memory of 520 288 regsvr32.exe regsvr32.exe PID 520 wrote to memory of 1176 520 regsvr32.exe explorer.exe PID 520 wrote to memory of 1176 520 regsvr32.exe explorer.exe PID 520 wrote to memory of 1176 520 regsvr32.exe explorer.exe PID 520 wrote to memory of 1176 520 regsvr32.exe explorer.exe PID 520 wrote to memory of 1176 520 regsvr32.exe explorer.exe PID 520 wrote to memory of 1176 520 regsvr32.exe explorer.exe PID 1176 wrote to memory of 1820 1176 explorer.exe schtasks.exe PID 1176 wrote to memory of 1820 1176 explorer.exe schtasks.exe PID 1176 wrote to memory of 1820 1176 explorer.exe schtasks.exe PID 1176 wrote to memory of 1820 1176 explorer.exe schtasks.exe PID 1872 wrote to memory of 1512 1872 taskeng.exe regsvr32.exe PID 1872 wrote to memory of 1512 1872 taskeng.exe regsvr32.exe PID 1872 wrote to memory of 1512 1872 taskeng.exe regsvr32.exe PID 1872 wrote to memory of 1512 1872 taskeng.exe regsvr32.exe PID 1872 wrote to memory of 1512 1872 taskeng.exe regsvr32.exe PID 1512 wrote to memory of 1528 1512 regsvr32.exe regsvr32.exe PID 1512 wrote to memory of 1528 1512 regsvr32.exe regsvr32.exe PID 1512 wrote to memory of 1528 1512 regsvr32.exe regsvr32.exe PID 1512 wrote to memory of 1528 1512 regsvr32.exe regsvr32.exe PID 1512 wrote to memory of 1528 1512 regsvr32.exe regsvr32.exe PID 1512 wrote to memory of 1528 1512 regsvr32.exe regsvr32.exe PID 1512 wrote to memory of 1528 1512 regsvr32.exe regsvr32.exe PID 1528 wrote to memory of 1160 1528 regsvr32.exe explorer.exe PID 1528 wrote to memory of 1160 1528 regsvr32.exe explorer.exe PID 1528 wrote to memory of 1160 1528 regsvr32.exe explorer.exe PID 1528 wrote to memory of 1160 1528 regsvr32.exe explorer.exe PID 1528 wrote to memory of 1160 1528 regsvr32.exe explorer.exe PID 1528 wrote to memory of 1160 1528 regsvr32.exe explorer.exe PID 1160 wrote to memory of 1904 1160 explorer.exe reg.exe PID 1160 wrote to memory of 1904 1160 explorer.exe reg.exe PID 1160 wrote to memory of 1904 1160 explorer.exe reg.exe PID 1160 wrote to memory of 1904 1160 explorer.exe reg.exe PID 1160 wrote to memory of 340 1160 explorer.exe reg.exe PID 1160 wrote to memory of 340 1160 explorer.exe reg.exe PID 1160 wrote to memory of 340 1160 explorer.exe reg.exe PID 1160 wrote to memory of 340 1160 explorer.exe reg.exe
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\cen3.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\cen3.dll2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn vvforivugo /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\cen3.dll\"" /SC ONCE /Z /ST 17:06 /ET 17:184⤵
- Creates scheduled task(s)
-
C:\Windows\system32\taskeng.exetaskeng.exe {944DB3C8-48DF-490E-B09A-20FF57CC530E} 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\cen3.dll"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\cen3.dll"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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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\Zdkihgbwo" /d "0"5⤵
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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\Nnhmloicarsj" /d "0"5⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\cen3.dllMD5
19005bd8addce657424ca555c7a2403f
SHA18227fbd80c01eb1c1af4156b31acba4eab324735
SHA256982c0bd21a4500fc6e377135ebee2a28f03b06116f06f2a104bef5fdacf11100
SHA512ccb234b74512f7112a2bc91feb3a3b05f1f9f6da269c18d4081bafe03586b84f778b144f1e8b76bad542575de77365bd020789d77fd37138a5d2e59af24e24b5
-
\??\PIPE\wkssvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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\Users\Admin\AppData\Local\Temp\cen3.dllMD5
19005bd8addce657424ca555c7a2403f
SHA18227fbd80c01eb1c1af4156b31acba4eab324735
SHA256982c0bd21a4500fc6e377135ebee2a28f03b06116f06f2a104bef5fdacf11100
SHA512ccb234b74512f7112a2bc91feb3a3b05f1f9f6da269c18d4081bafe03586b84f778b144f1e8b76bad542575de77365bd020789d77fd37138a5d2e59af24e24b5
-
memory/288-55-0x000007FEFC4A1000-0x000007FEFC4A3000-memory.dmpFilesize
8KB
-
memory/520-56-0x0000000076921000-0x0000000076923000-memory.dmpFilesize
8KB
-
memory/520-57-0x0000000000170000-0x0000000000171000-memory.dmpFilesize
4KB
-
memory/520-58-0x0000000010000000-0x0000000010091000-memory.dmpFilesize
580KB
-
memory/1160-72-0x00000000000C0000-0x00000000000E1000-memory.dmpFilesize
132KB
-
memory/1176-59-0x00000000000F0000-0x00000000000F2000-memory.dmpFilesize
8KB
-
memory/1176-61-0x0000000074D11000-0x0000000074D13000-memory.dmpFilesize
8KB
-
memory/1176-62-0x00000000000C0000-0x00000000000E1000-memory.dmpFilesize
132KB
-
memory/1528-71-0x0000000000130000-0x0000000000131000-memory.dmpFilesize
4KB