Analysis Overview
SHA256
486ede4ecff9a951261af3d267072bf75a37e7812afd91dc4c30bf5535dede8b
Threat Level: Known bad
The file 2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-14 23:12
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-14 23:12
Reported
2023-02-14 23:14
Platform
win7-20221111-en
Max time kernel
133s
Max time network
145s
Command Line
Signatures
Emotet
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat | C:\Windows\SysWOW64\relatedrep.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09B90CF1-8CF7-4721-9B69-FB5AECBC651D}\8a-41-91-6f-fe-8e | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09B90CF1-8CF7-4721-9B69-FB5AECBC651D} | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09B90CF1-8CF7-4721-9B69-FB5AECBC651D}\WpadNetworkName = "Network 2" | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-41-91-6f-fe-8e\WpadDecisionTime = 50a68937d240d901 | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09B90CF1-8CF7-4721-9B69-FB5AECBC651D}\WpadDecision = "0" | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-41-91-6f-fe-8e | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-41-91-6f-fe-8e\WpadDecisionReason = "1" | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-41-91-6f-fe-8e\WpadDecision = "0" | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09B90CF1-8CF7-4721-9B69-FB5AECBC651D}\WpadDecisionTime = 50a68937d240d901 | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0033000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09B90CF1-8CF7-4721-9B69-FB5AECBC651D}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\relatedrep.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedrep.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedrep.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\relatedrep.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe"
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
--53146567
C:\Windows\SysWOW64\relatedrep.exe
"C:\Windows\SysWOW64\relatedrep.exe"
C:\Windows\SysWOW64\relatedrep.exe
--7823244
Network
| Country | Destination | Domain | Proto |
| BO | 200.58.171.51:80 | tcp | |
| BO | 200.58.171.51:80 | tcp | |
| MX | 189.196.140.187:80 | tcp | |
| MX | 189.196.140.187:80 | tcp | |
| KR | 222.104.222.145:443 | tcp |
Files
memory/948-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp
memory/956-55-0x0000000000000000-mapping.dmp
memory/948-56-0x0000000000260000-0x0000000000271000-memory.dmp
memory/948-58-0x0000000000400000-0x0000000000414000-memory.dmp
memory/956-59-0x0000000000230000-0x0000000000259000-memory.dmp
memory/956-60-0x0000000000400000-0x0000000000429000-memory.dmp
memory/956-63-0x0000000000230000-0x000000000023D000-memory.dmp
memory/556-62-0x0000000000000000-mapping.dmp
memory/956-64-0x0000000000400000-0x0000000000414000-memory.dmp
memory/556-66-0x0000000000400000-0x0000000000429000-memory.dmp
memory/556-67-0x0000000000400000-0x0000000000429000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-14 23:12
Reported
2023-02-14 23:14
Platform
win10v2004-20221111-en
Max time kernel
133s
Max time network
150s
Command Line
Signatures
Emotet
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\xianstarta.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\xianstarta.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\xianstarta.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\xianstarta.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe"
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
--53146567
C:\Windows\SysWOW64\xianstarta.exe
"C:\Windows\SysWOW64\xianstarta.exe"
C:\Windows\SysWOW64\xianstarta.exe
--a3ed074f
Network
| Country | Destination | Domain | Proto |
| BO | 200.58.171.51:80 | tcp | |
| US | 13.89.179.9:443 | tcp | |
| NL | 96.16.53.148:80 | tcp | |
| NL | 96.16.53.148:80 | tcp | |
| NL | 96.16.53.148:80 | tcp | |
| NL | 104.80.225.205:443 | tcp | |
| MX | 189.196.140.187:80 | tcp | |
| KR | 222.104.222.145:443 | tcp | |
| MY | 115.132.227.247:443 | tcp | |
| CO | 190.85.206.228:80 | tcp |
Files
memory/1316-132-0x0000000000000000-mapping.dmp
memory/4488-133-0x0000000002170000-0x0000000002181000-memory.dmp
memory/4488-134-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1316-135-0x00000000004A0000-0x00000000004B1000-memory.dmp
memory/1316-136-0x0000000000400000-0x0000000000429000-memory.dmp
memory/3300-137-0x0000000000000000-mapping.dmp
memory/1316-138-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3300-139-0x0000000000400000-0x0000000000429000-memory.dmp
memory/3300-140-0x0000000000400000-0x0000000000429000-memory.dmp