Analysis
-
max time kernel
149s -
max time network
125s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
14-04-2021 14:25
Behavioral task
behavioral1
Sample
documents-172432862.xlsb
Resource
win7v20210410
Behavioral task
behavioral2
Sample
documents-172432862.xlsb
Resource
win10v20210410
Behavioral task
behavioral3
Sample
documents-1762652855.xlsb
Resource
win7v20210408
General
-
Target
documents-1762652855.xlsb
-
Size
94KB
-
MD5
15184e360c4f2597a120edb0ec3b1529
-
SHA1
e1c61283e9ceaceef3918bab4395ab6762f8c2fa
-
SHA256
f14dc38347bc80f5f0690d6d1306a24d133bfaafb21007ad5e935000f21ebca9
-
SHA512
edcfd7bd9545344f581e4023de15cfd9fc90324f5b63c0880d26f1e371664fc8248c6da481825a4070c2714ac66a936dcc683a6fc3c4a36ef9ab5e2d4ac002dd
Malware Config
Extracted
qakbot
tr
1618398298
47.196.192.184:443
216.201.162.158:443
136.232.34.70:443
71.41.184.10:3389
140.82.49.12:443
45.63.107.192:2222
45.63.107.192:443
149.28.98.196:443
45.32.211.207:443
144.202.38.185:443
45.77.115.208:2222
45.77.115.208:8443
207.246.116.237:995
45.77.117.108:443
149.28.99.97:443
149.28.99.97:995
149.28.98.196:995
45.32.211.207:995
45.32.211.207:2222
149.28.98.196:2222
45.32.211.207:8443
144.202.38.185:2222
144.202.38.185:995
149.28.101.90:995
149.28.101.90:8443
149.28.101.90:443
149.28.101.90:2222
45.77.115.208:443
45.77.115.208:995
207.246.77.75:995
207.246.77.75:443
207.246.77.75:2222
207.246.77.75:8443
207.246.116.237:443
207.246.116.237:8443
207.246.116.237:2222
45.77.117.108:995
45.77.117.108:2222
45.77.117.108:8443
195.6.1.154:2222
105.198.236.101:443
105.198.236.99:443
188.26.91.212:443
81.97.154.100:443
78.63.226.32:443
45.63.107.192:995
149.28.99.97:2222
115.133.243.6:443
27.223.92.142:995
76.25.142.196:443
75.118.1.141:443
24.117.107.120:443
173.21.10.71:2222
73.151.236.31:443
67.165.206.193:993
71.74.12.34:443
108.14.4.202:443
98.252.118.134:443
47.22.148.6:443
72.252.201.69:443
75.67.192.125:443
189.210.115.207:443
75.137.47.174:443
151.205.102.42:443
98.192.185.86:443
24.43.22.221:993
190.85.91.154:443
24.55.112.61:443
86.220.62.251:2222
71.163.222.243:443
97.69.160.4:2222
24.229.150.54:995
90.65.236.181:2222
72.240.200.181:2222
67.8.103.21:443
73.25.124.140:2222
24.152.219.253:995
109.12.111.14:443
86.190.41.156:443
24.139.72.117:443
71.187.170.235:443
24.226.156.153:443
186.31.46.121:443
197.45.110.165:995
50.244.112.106:443
96.61.23.88:995
45.46.53.140:2222
50.29.166.232:995
95.77.223.148:443
94.59.106.186:2078
83.110.109.164:2222
64.121.114.87:443
144.139.47.206:443
96.37.113.36:993
222.153.174.162:995
172.78.56.208:443
77.27.207.217:995
24.95.61.62:443
77.211.30.202:995
92.59.35.196:2222
106.51.52.111:995
184.189.122.72:443
195.12.154.8:443
68.186.192.69:443
75.136.40.155:443
71.117.132.169:443
96.21.251.127:2222
71.199.192.62:443
70.168.130.172:995
83.196.56.65:2222
81.214.126.173:2222
82.12.157.95:995
209.210.187.52:995
209.210.187.52:443
67.6.12.4:443
189.222.59.177:443
174.104.22.30:443
142.117.191.18:2222
189.146.183.105:443
213.60.147.140:443
196.221.207.137:995
108.46.145.30:443
187.250.238.164:995
2.7.116.188:2222
195.43.173.70:443
106.250.150.98:443
45.67.231.247:443
83.110.103.152:443
83.110.9.71:2222
78.97.207.104:443
59.90.246.200:443
80.227.5.69:443
125.63.101.62:443
86.236.77.68:2222
109.106.69.138:2222
84.72.35.226:443
217.133.54.140:32100
197.161.154.132:443
89.137.211.239:995
74.222.204.82:995
122.148.156.131:995
156.223.110.23:443
144.139.166.18:443
202.185.166.181:443
76.94.200.148:995
71.63.120.101:443
196.151.252.84:443
202.188.138.162:443
74.68.144.202:443
69.58.147.82:2078
Signatures
-
Process spawned unexpected child process 5 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exerundll32.exerundll32.exerundll32.exerundll32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1844 3204 rundll32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2212 3204 rundll32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2512 3204 rundll32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3872 3204 rundll32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1584 3204 rundll32.exe EXCEL.EXE -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exeregsvr32.exepid process 2104 rundll32.exe 2104 rundll32.exe 1852 regsvr32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2184 1852 WerFault.exe regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3204 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
rundll32.exeWerFault.exepid process 2104 rundll32.exe 2104 rundll32.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe 2184 WerFault.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
rundll32.exepid process 2104 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 2184 WerFault.exe Token: SeBackupPrivilege 2184 WerFault.exe Token: SeDebugPrivilege 2184 WerFault.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3204 EXCEL.EXE 3204 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
EXCEL.EXErundll32.exerundll32.exeexplorer.exeregsvr32.exedescription pid process target process PID 3204 wrote to memory of 1844 3204 EXCEL.EXE rundll32.exe PID 3204 wrote to memory of 1844 3204 EXCEL.EXE rundll32.exe PID 3204 wrote to memory of 2212 3204 EXCEL.EXE rundll32.exe PID 3204 wrote to memory of 2212 3204 EXCEL.EXE rundll32.exe PID 3204 wrote to memory of 2512 3204 EXCEL.EXE rundll32.exe PID 3204 wrote to memory of 2512 3204 EXCEL.EXE rundll32.exe PID 3204 wrote to memory of 3872 3204 EXCEL.EXE rundll32.exe PID 3204 wrote to memory of 3872 3204 EXCEL.EXE rundll32.exe PID 3872 wrote to memory of 2104 3872 rundll32.exe rundll32.exe PID 3872 wrote to memory of 2104 3872 rundll32.exe rundll32.exe PID 3872 wrote to memory of 2104 3872 rundll32.exe rundll32.exe PID 2104 wrote to memory of 3312 2104 rundll32.exe explorer.exe PID 2104 wrote to memory of 3312 2104 rundll32.exe explorer.exe PID 2104 wrote to memory of 3312 2104 rundll32.exe explorer.exe PID 2104 wrote to memory of 3312 2104 rundll32.exe explorer.exe PID 2104 wrote to memory of 3312 2104 rundll32.exe explorer.exe PID 3204 wrote to memory of 1584 3204 EXCEL.EXE rundll32.exe PID 3204 wrote to memory of 1584 3204 EXCEL.EXE rundll32.exe PID 3312 wrote to memory of 2508 3312 explorer.exe schtasks.exe PID 3312 wrote to memory of 2508 3312 explorer.exe schtasks.exe PID 3312 wrote to memory of 2508 3312 explorer.exe schtasks.exe PID 2496 wrote to memory of 1852 2496 regsvr32.exe regsvr32.exe PID 2496 wrote to memory of 1852 2496 regsvr32.exe regsvr32.exe PID 2496 wrote to memory of 1852 2496 regsvr32.exe regsvr32.exe
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\documents-1762652855.xlsb"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3204 -
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\wiroe.oer1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1844 -
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\wiroe.oer2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2212 -
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\wiroe.oer3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2512 -
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\wiroe.oer4,DllRegisterServer2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3872 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\wiroe.oer4,DllRegisterServer3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ayparnsxhc /tr "regsvr32.exe -s \"C:\Users\Admin\wiroe.oer4\"" /SC ONCE /Z /ST 14:31 /ET 14:435⤵
- Creates scheduled task(s)
PID:2508 -
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\wiroe.oer5,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1584
-
\??\c:\windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\wiroe.oer4"1⤵
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\wiroe.oer4"2⤵
- Loads dropped DLL
PID:1852 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 5963⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2184
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
MD5
9a1256e56a53b4ee225b88c795cf8b4e
SHA1f3f2c2e5987b809a60f573e08566d97f89d5961d
SHA256cceb5bfb51dbc76aa43e439cad1cbb0ec00c53f4d7332b1a35e43eaa88add30c
SHA5120d460d2e3f084a310f068dfc9b9cebb0a32b56b8477c6773d0f11f00914da208241d69bca958a9f85668269ef05b80c2746ea0fefe5fae23054d96cdae662919
-
MD5
90a0f382c22eb594b311db90fafc85f6
SHA18da5e90239c17cbfa2e20bb9a4d8873a6acef7f3
SHA2560e8ef860377113af0c34318e2feb61983a01c5a4c8ab0594763a4f0d75c45c08
SHA51236a0e01a54d93ad7f4da5a5975d953edc3ad70d3cd3b3c31c83d6a71fed1f236a969ee85150957119072b3105232fd8ebbe442ab938533c4883148d64e9f3a01
-
MD5
9a1256e56a53b4ee225b88c795cf8b4e
SHA1f3f2c2e5987b809a60f573e08566d97f89d5961d
SHA256cceb5bfb51dbc76aa43e439cad1cbb0ec00c53f4d7332b1a35e43eaa88add30c
SHA5120d460d2e3f084a310f068dfc9b9cebb0a32b56b8477c6773d0f11f00914da208241d69bca958a9f85668269ef05b80c2746ea0fefe5fae23054d96cdae662919
-
MD5
9a1256e56a53b4ee225b88c795cf8b4e
SHA1f3f2c2e5987b809a60f573e08566d97f89d5961d
SHA256cceb5bfb51dbc76aa43e439cad1cbb0ec00c53f4d7332b1a35e43eaa88add30c
SHA5120d460d2e3f084a310f068dfc9b9cebb0a32b56b8477c6773d0f11f00914da208241d69bca958a9f85668269ef05b80c2746ea0fefe5fae23054d96cdae662919
-
MD5
90a0f382c22eb594b311db90fafc85f6
SHA18da5e90239c17cbfa2e20bb9a4d8873a6acef7f3
SHA2560e8ef860377113af0c34318e2feb61983a01c5a4c8ab0594763a4f0d75c45c08
SHA51236a0e01a54d93ad7f4da5a5975d953edc3ad70d3cd3b3c31c83d6a71fed1f236a969ee85150957119072b3105232fd8ebbe442ab938533c4883148d64e9f3a01