Analysis
-
max time kernel
141s -
max time network
122s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
24-12-2021 16:00
Static task
static1
Behavioral task
behavioral1
Sample
e3bd055c72e253d86dc95a25c64132f60d6fa87f7e94777993c240f423c7a884.dll
Resource
win7-en-20211208
General
-
Target
e3bd055c72e253d86dc95a25c64132f60d6fa87f7e94777993c240f423c7a884.dll
-
Size
1.8MB
-
MD5
3293dbd446a77c00bbd6088034d70b6c
-
SHA1
66410a5a2555787689aadaa426b22287c2d37f92
-
SHA256
e3bd055c72e253d86dc95a25c64132f60d6fa87f7e94777993c240f423c7a884
-
SHA512
d5b699360284f524747123d3cecd3054d61c27ebda7dcf4a95700bf7c12eaddcd590028bf18073ff2f1bb2830d0eb297ff15cbad0d6dcda9276907cca2966bc3
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 384 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\Jwsiyjwawagxe\e68ccdc9 = 31adfdc4f2457d7d5d02084ad05f6797e4f173eb3f607c17e7ba56829171ee7aec2b1fca31a98b97827c3e75ce5bb5200b76f56b3ddb836a040033f460325b73349b2a7c8874c65bf6e7fa378b1533b196f0a3a895a346b70c065f2ae1177ac69c296a559cbda5164638d989bae8 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Jwsiyjwawagxe\d1523dfb = 81377b5284dc0a36ebd54d72f5a196d2ad explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Jwsiyjwawagxe\69ee5a9e = 661a02d59e11d5408cbce5eab99017e6b7a61a28de6c7a07e0ad7fc064d968c51657f761a70f8a3840d68ee57222561f835315bf8c5d7d220c50ef52852568ef057de15c4a04113546c27854350098d4075aac4d58fefe31f7 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Jwsiyjwawagxe\99c5a23f = d45b789153f1a4af6e618fdeb01d5baf477f4c13 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Jwsiyjwawagxe\14e61514 = 816f36e51ce09aa223db17a190ed12a44de927cf4ce5993e15171175d204ee78e191768a3a9d2fe0b061e82ee32877a3a3673f33302a5ec169a5dd29a30585a75ba688c8af8207b7ceecc06d2e82d5b744e1348b20f944b7917b300df9693a09ee explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Jwsiyjwawagxe\ac5a7271 = 56cd261d9838c79355356f6b1d87eef41da8edd6751abdeb4a15db731f970a74d2792de8c0ea59d89c24902db8086535 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Jwsiyjwawagxe\6baf7ae2 = bd14a801f2d3a814b42261643b50b49b34e8f6ac2b898d57684ab43ee8e4ef80e785764a23509adebaf1c66fb4fe89efb685c0d6d485d1fd395eb456854660dd345bc26a9a45cb71219f743e2266836d3027c9edd65a14b66004b80bb9bc05363948ef2f7b67f3e12e explorer.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Jwsiyjwawagxe explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Jwsiyjwawagxe\e68ccdc9 = 31adeac4f24548c0624c9db5a1f832824f7061c8c4fd6ff219a09b539f9995a029be3f2f9491fe591aba6ba0ee58b5c54611cfa6e59ec7595e053f193ddbd75f229ab3fe78a7fee4b9f9ac5c8ca575fe6151a9012875d1ebfc explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Jwsiyjwawagxe\d3131d87 = 53d103445c6758f6423c54105ee2c63b4f0bee0e8669d8b2389f4ed9b16b30c9bf5b85810371d5381b6b3acec3fed37273f82228d443be3b8e077ef5de42e8d3f208d7498c3d00bbd941abe67d1bdc51bd739ea0208c2d65bf90c1d63dcae8f1b309b31a202cf145c52189 explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 3064 regsvr32.exe 3064 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 3064 regsvr32.exe 384 regsvr32.exe -
Suspicious use of FindShellTrayWindow 40 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe 384 regsvr32.exe -
Suspicious use of SendNotifyMessage 20 IoCs
Processes:
regsvr32.exepid process 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe 3064 regsvr32.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
regsvr32.exeregsvr32.exeexplorer.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 2720 wrote to memory of 3064 2720 regsvr32.exe regsvr32.exe PID 2720 wrote to memory of 3064 2720 regsvr32.exe regsvr32.exe PID 2720 wrote to memory of 3064 2720 regsvr32.exe regsvr32.exe PID 3064 wrote to memory of 3848 3064 regsvr32.exe explorer.exe PID 3064 wrote to memory of 3848 3064 regsvr32.exe explorer.exe PID 3064 wrote to memory of 3848 3064 regsvr32.exe explorer.exe PID 3064 wrote to memory of 3848 3064 regsvr32.exe explorer.exe PID 3064 wrote to memory of 3848 3064 regsvr32.exe explorer.exe PID 3848 wrote to memory of 3964 3848 explorer.exe schtasks.exe PID 3848 wrote to memory of 3964 3848 explorer.exe schtasks.exe PID 3848 wrote to memory of 3964 3848 explorer.exe schtasks.exe PID 884 wrote to memory of 384 884 regsvr32.exe regsvr32.exe PID 884 wrote to memory of 384 884 regsvr32.exe regsvr32.exe PID 884 wrote to memory of 384 884 regsvr32.exe regsvr32.exe PID 384 wrote to memory of 1448 384 regsvr32.exe explorer.exe PID 384 wrote to memory of 1448 384 regsvr32.exe explorer.exe PID 384 wrote to memory of 1448 384 regsvr32.exe explorer.exe PID 384 wrote to memory of 1448 384 regsvr32.exe explorer.exe PID 384 wrote to memory of 1448 384 regsvr32.exe explorer.exe PID 1448 wrote to memory of 1236 1448 explorer.exe reg.exe PID 1448 wrote to memory of 1236 1448 explorer.exe reg.exe PID 1448 wrote to memory of 2832 1448 explorer.exe reg.exe PID 1448 wrote to memory of 2832 1448 explorer.exe reg.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\e3bd055c72e253d86dc95a25c64132f60d6fa87f7e94777993c240f423c7a884.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\e3bd055c72e253d86dc95a25c64132f60d6fa87f7e94777993c240f423c7a884.dll2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- 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 yuhdqlf /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\e3bd055c72e253d86dc95a25c64132f60d6fa87f7e94777993c240f423c7a884.dll\"" /SC ONCE /Z /ST 19:03 /ET 19:154⤵
- Creates scheduled task(s)
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\??\c:\windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\e3bd055c72e253d86dc95a25c64132f60d6fa87f7e94777993c240f423c7a884.dll"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\e3bd055c72e253d86dc95a25c64132f60d6fa87f7e94777993c240f423c7a884.dll"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- 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\Rayvnlzbva" /d "0"4⤵
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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\Kamuu" /d "0"4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\e3bd055c72e253d86dc95a25c64132f60d6fa87f7e94777993c240f423c7a884.dllMD5
3293dbd446a77c00bbd6088034d70b6c
SHA166410a5a2555787689aadaa426b22287c2d37f92
SHA256e3bd055c72e253d86dc95a25c64132f60d6fa87f7e94777993c240f423c7a884
SHA512d5b699360284f524747123d3cecd3054d61c27ebda7dcf4a95700bf7c12eaddcd590028bf18073ff2f1bb2830d0eb297ff15cbad0d6dcda9276907cca2966bc3
-
C:\Windows\System32\CatRoot2\dberr.txtMD5
b5a1711c9c1bda5e0aaf381977ad02ae
SHA110a51e6bf43b16ed2f277aa92385c3bdf5ce89ed
SHA256374f75419e37d8a7e4d7fcd59cc1fc15199f5625994f73f72dd3504af1caf146
SHA5129fd58aca59d3c8e9f08a9a6c41e221dc57c130005606e45e7e7a7ac74c3815836040b4e1fab877adcf7e2c2ffaccb77452fb9968e5cfe624a4f546a7f7f56b69
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\Users\Admin\AppData\Local\Temp\e3bd055c72e253d86dc95a25c64132f60d6fa87f7e94777993c240f423c7a884.dllMD5
3293dbd446a77c00bbd6088034d70b6c
SHA166410a5a2555787689aadaa426b22287c2d37f92
SHA256e3bd055c72e253d86dc95a25c64132f60d6fa87f7e94777993c240f423c7a884
SHA512d5b699360284f524747123d3cecd3054d61c27ebda7dcf4a95700bf7c12eaddcd590028bf18073ff2f1bb2830d0eb297ff15cbad0d6dcda9276907cca2966bc3
-
memory/384-128-0x0000000003210000-0x0000000003211000-memory.dmpFilesize
4KB
-
memory/384-125-0x0000000000000000-mapping.dmp
-
memory/1236-130-0x0000000000000000-mapping.dmp
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memory/1448-129-0x0000000000000000-mapping.dmp
-
memory/1448-134-0x0000000002550000-0x0000000002571000-memory.dmpFilesize
132KB
-
memory/1448-133-0x00000000029B0000-0x00000000029B1000-memory.dmpFilesize
4KB
-
memory/1448-132-0x00000000029B0000-0x00000000029B1000-memory.dmpFilesize
4KB
-
memory/2832-131-0x0000000000000000-mapping.dmp
-
memory/3064-117-0x0000000003040000-0x00000000030EE000-memory.dmpFilesize
696KB
-
memory/3064-116-0x0000000000000000-mapping.dmp
-
memory/3064-118-0x0000000010000000-0x00000000101DC000-memory.dmpFilesize
1.9MB
-
memory/3848-120-0x0000000002AA0000-0x0000000002AC1000-memory.dmpFilesize
132KB
-
memory/3848-119-0x0000000000000000-mapping.dmp
-
memory/3848-123-0x0000000002E90000-0x0000000002E91000-memory.dmpFilesize
4KB
-
memory/3848-122-0x0000000002E90000-0x0000000002E91000-memory.dmpFilesize
4KB
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memory/3964-121-0x0000000000000000-mapping.dmp