Overview
overview
10Static
static
8client/202...st.exe
windows7-x64
10client/202...st.exe
windows10-2004-x64
10client/202...-2.doc
windows7-x64
10client/202...-2.doc
windows10-2004-x64
10client/202...on.exe
windows7-x64
10client/202...on.exe
windows10-2004-x64
10client/202...ro.exe
windows7-x64
10client/202...ro.exe
windows10-2004-x64
10client/gpu...3C.exe
windows7-x64
10client/gpu...3C.exe
windows10-2004-x64
10client/gpu...rt.exe
windows7-x64
10client/gpu...rt.exe
windows10-2004-x64
10dc/gpuheal...rt.exe
windows7-x64
10dc/gpuheal...rt.exe
windows10-2004-x64
10Analysis
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max time kernel
139s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20-12-2022 19:37
Behavioral task
behavioral1
Sample
client/2020-01-14-Trickbot-gtag-mor75-retrieved-by-Emotet-infected-host.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
client/2020-01-14-Trickbot-gtag-mor75-retrieved-by-Emotet-infected-host.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
client/2020-01-14-Word-doc-with-macro-for-Emotet-epoch-2.doc
Resource
win7-20220901-en
Behavioral task
behavioral4
Sample
client/2020-01-14-Word-doc-with-macro-for-Emotet-epoch-2.doc
Resource
win10v2004-20221111-en
Behavioral task
behavioral5
Sample
client/2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
client/2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral7
Sample
client/2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe
Resource
win7-20221111-en
Behavioral task
behavioral8
Sample
client/2020-01-14-initial-Emotet-binary-retrieved-by-Word-macro.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral9
Sample
client/gpuhealth/GƆCCKX ↀↂ;;;;;;;;;;;;;;;;;;;ж;;;;;;;;;;;яЫФЦйвЫФв003423C.exe
Resource
win7-20220901-en
Behavioral task
behavioral10
Sample
client/gpuhealth/GƆCCKX ↀↂ;;;;;;;;;;;;;;;;;;;ж;;;;;;;;;;;яЫФЦйвЫФв003423C.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral11
Sample
client/gpuhealth/syrecrt.exe
Resource
win7-20220812-en
Behavioral task
behavioral12
Sample
client/gpuhealth/syrecrt.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral13
Sample
dc/gpuhealth/syrecrt.exe
Resource
win7-20221111-en
General
-
Target
client/2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe
-
Size
496KB
-
MD5
b63535fb171eb493b69f2f3b16abe387
-
SHA1
9516de4b4c9de9b996a5d262f4ec633b4ed74bb1
-
SHA256
c2030bc67f28a570054486b23de2b7a1bccb90fc9cfbf698b8bc380bb03adeb2
-
SHA512
0c89c501d2d6f9dd91c38f8b695c537ba9cf227aad4057792344d328df83db395412fd17db8d9a63c571161df7f2dde4260e58c157f4c98b69e2e317a354fd0b
-
SSDEEP
6144:9iSzpqgWJwaLWQt4f4GijqIM48RUl1PZ3e6yIXqn3BTZe87aPqn3BTZeW7BeI1Dn:9hDa9Y4GDNO1h3etVBU83BUWUODn
Malware Config
Extracted
emotet
Epoch2
66.7.242.50:8080
72.186.137.156:80
197.89.27.26:8080
91.250.96.22:8080
37.187.72.193:8080
104.131.44.150:8080
167.71.10.37:8080
78.24.219.147:8080
159.65.25.128:8080
95.128.43.213:8080
179.13.185.19:80
186.86.247.171:443
110.142.38.16:80
201.173.217.124:443
169.239.182.217:8080
211.63.71.72:8080
104.131.11.150:8080
190.55.181.54:443
209.146.22.34:443
64.53.242.181:8080
190.220.19.82:443
66.34.201.20:7080
27.109.153.201:8090
46.105.131.69:443
110.36.217.66:8080
120.151.135.224:80
73.217.39.73:80
87.230.19.21:8080
47.180.91.213:80
73.11.153.178:8080
45.33.49.124:443
209.141.54.221:8080
121.88.5.176:443
31.31.77.83:443
79.159.249.152:80
178.237.139.83:8080
180.92.239.110:8080
201.229.45.222:8080
173.21.26.90:80
200.116.145.225:443
221.165.123.72:80
217.160.182.191:8080
47.6.15.79:80
60.231.217.199:8080
91.205.215.66:443
182.176.132.213:8090
181.143.126.170:80
70.169.53.234:80
176.106.183.253:8080
92.222.216.44:8080
87.106.136.232:8080
103.86.49.11:8080
5.196.74.210:8080
78.142.114.69:80
105.247.123.133:8080
47.6.15.79:443
98.174.166.205:80
110.143.84.202:80
95.213.236.64:8080
2.237.76.249:80
45.51.40.140:80
91.73.197.90:80
78.186.5.109:443
120.150.246.241:80
195.244.215.206:80
58.171.42.66:8080
190.117.126.169:80
37.157.194.134:443
192.241.255.77:8080
190.12.119.180:443
190.117.226.104:80
116.48.142.21:443
200.21.90.5:443
62.75.187.192:8080
41.60.200.34:80
70.46.247.81:80
85.67.10.190:80
223.197.185.60:80
190.146.205.227:8080
62.138.26.28:8080
5.32.55.214:80
108.191.2.72:80
59.103.164.174:80
178.153.176.124:80
78.189.180.107:80
87.106.139.101:8080
210.6.85.121:80
47.156.70.145:80
173.91.11.142:80
31.172.240.91:8080
88.249.120.205:80
37.139.21.175:8080
115.95.6.218:443
206.81.10.215:8080
105.27.155.182:80
209.97.168.52:8080
205.185.117.108:8080
24.164.79.147:8080
188.0.135.237:80
139.130.242.43:80
46.105.131.87:80
189.203.177.41:443
149.202.153.252:8080
98.156.206.153:80
160.16.215.66:8080
201.184.105.242:443
98.30.113.161:80
5.154.58.24:80
173.66.96.135:80
206.189.112.148:8080
70.175.171.251:80
190.53.135.159:21
24.105.202.216:443
89.211.186.227:443
108.179.206.219:8080
139.130.241.252:443
50.116.86.205:8080
181.126.70.117:80
24.94.237.248:80
62.75.141.82:80
183.102.238.69:465
177.239.160.121:80
104.236.246.93:8080
47.153.183.211:80
Signatures
-
Drops file in System32 directory 1 IoCs
Processes:
mailboxspecial.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat mailboxspecial.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies data under HKEY_USERS 21 IoCs
Processes:
mailboxspecial.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections mailboxspecial.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" mailboxspecial.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0016000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mailboxspecial.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{45564D45-DC34-4BF7-905B-D4BF666B9D77}\WpadDecisionTime = f067aa1eb314d901 mailboxspecial.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-11-fd-6f-3c-8f\WpadDecisionTime = f067aa1eb314d901 mailboxspecial.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{45564D45-DC34-4BF7-905B-D4BF666B9D77}\WpadDecision = "0" mailboxspecial.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{45564D45-DC34-4BF7-905B-D4BF666B9D77}\5e-11-fd-6f-3c-8f mailboxspecial.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings mailboxspecial.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mailboxspecial.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix mailboxspecial.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" mailboxspecial.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{45564D45-DC34-4BF7-905B-D4BF666B9D77} mailboxspecial.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{45564D45-DC34-4BF7-905B-D4BF666B9D77}\WpadDecisionReason = "1" mailboxspecial.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" mailboxspecial.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad mailboxspecial.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-11-fd-6f-3c-8f mailboxspecial.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-11-fd-6f-3c-8f\WpadDecisionReason = "1" mailboxspecial.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-11-fd-6f-3c-8f\WpadDecision = "0" mailboxspecial.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings mailboxspecial.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mailboxspecial.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{45564D45-DC34-4BF7-905B-D4BF666B9D77}\WpadNetworkName = "Network 2" mailboxspecial.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
mailboxspecial.exepid process 1096 mailboxspecial.exe 1096 mailboxspecial.exe 1096 mailboxspecial.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
2020-01-14-follow-up-Emotet-binary-after-initial-infection.exepid process 1284 2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe2020-01-14-follow-up-Emotet-binary-after-initial-infection.exemailboxspecial.exemailboxspecial.exepid process 1784 2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe 1284 2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe 1496 mailboxspecial.exe 1096 mailboxspecial.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
2020-01-14-follow-up-Emotet-binary-after-initial-infection.exemailboxspecial.exedescription pid process target process PID 1784 wrote to memory of 1284 1784 2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe 2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe PID 1784 wrote to memory of 1284 1784 2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe 2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe PID 1784 wrote to memory of 1284 1784 2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe 2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe PID 1784 wrote to memory of 1284 1784 2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe 2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe PID 1496 wrote to memory of 1096 1496 mailboxspecial.exe mailboxspecial.exe PID 1496 wrote to memory of 1096 1496 mailboxspecial.exe mailboxspecial.exe PID 1496 wrote to memory of 1096 1496 mailboxspecial.exe mailboxspecial.exe PID 1496 wrote to memory of 1096 1496 mailboxspecial.exe mailboxspecial.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\client\2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe"C:\Users\Admin\AppData\Local\Temp\client\2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\client\2020-01-14-follow-up-Emotet-binary-after-initial-infection.exe--b517906e2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
-
C:\Windows\SysWOW64\mailboxspecial.exe"C:\Windows\SysWOW64\mailboxspecial.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\mailboxspecial.exe--994333172⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
-
memory/1096-74-0x0000000000000000-mapping.dmp
-
memory/1096-76-0x0000000000610000-0x0000000000627000-memory.dmpFilesize
92KB
-
memory/1284-60-0x0000000000000000-mapping.dmp
-
memory/1284-63-0x0000000000370000-0x0000000000387000-memory.dmpFilesize
92KB
-
memory/1496-69-0x0000000000350000-0x0000000000367000-memory.dmpFilesize
92KB
-
memory/1784-54-0x00000000762F1000-0x00000000762F3000-memory.dmpFilesize
8KB
-
memory/1784-55-0x00000000003C0000-0x00000000003D7000-memory.dmpFilesize
92KB
-
memory/1784-62-0x0000000000270000-0x0000000000281000-memory.dmpFilesize
68KB