Analysis Overview
SHA256
6d7aff70a84d9237bde3b149ff04532cafb29b6f358886b5038a737af5934d1f
Threat Level: Known bad
The file 2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Modifies data under HKEY_USERS
Suspicious use of UnmapMainImage
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-15 16:39
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-15 16:39
Reported
2023-02-15 16:39
Platform
win10v2004-20221111-en
Max time kernel
26s
Max time network
29s
Command Line
Signatures
Emotet
Enumerates physical storage devices
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-1-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-1-of-2.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe"
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
--a1bda328
C:\Windows\SysWOW64\gluesmall.exe
"C:\Windows\SysWOW64\gluesmall.exe"
C:\Windows\SysWOW64\gluesmall.exe
--c5604b28
Network
Files
memory/4424-132-0x0000000002160000-0x0000000002171000-memory.dmp
memory/4424-133-0x0000000000400000-0x000000000042C000-memory.dmp
memory/3376-134-0x0000000000000000-mapping.dmp
memory/4424-135-0x0000000002160000-0x0000000002171000-memory.dmp
memory/4424-136-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3376-137-0x0000000000400000-0x000000000042C000-memory.dmp
memory/116-138-0x0000000000000000-mapping.dmp
memory/3376-139-0x0000000000400000-0x0000000000414000-memory.dmp
memory/116-140-0x0000000000400000-0x000000000042C000-memory.dmp
memory/116-141-0x0000000000400000-0x000000000042C000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-15 16:39
Reported
2023-02-15 16:42
Platform
win7-20221111-en
Max time kernel
158s
Max time network
164s
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\redistbit.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-de-de-26-22-3d\WpadDecisionReason = "1" | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-de-de-26-22-3d\WpadDecision = "0" | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AE254A0-F732-484A-97FB-E0C90807DC4B}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AE254A0-F732-484A-97FB-E0C90807DC4B}\WpadDecision = "0" | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AE254A0-F732-484A-97FB-E0C90807DC4B}\WpadNetworkName = "Network 2" | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0048000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AE254A0-F732-484A-97FB-E0C90807DC4B} | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AE254A0-F732-484A-97FB-E0C90807DC4B}\WpadDecisionTime = 80d47c8a6441d901 | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-de-de-26-22-3d | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AE254A0-F732-484A-97FB-E0C90807DC4B}\52-de-de-26-22-3d | C:\Windows\SysWOW64\redistbit.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-de-de-26-22-3d\WpadDecisionTime = 80d47c8a6441d901 | C:\Windows\SysWOW64\redistbit.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\redistbit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\redistbit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\redistbit.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-1-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-1-of-2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\redistbit.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\redistbit.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe"
C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
--a1bda328
C:\Windows\SysWOW64\redistbit.exe
"C:\Windows\SysWOW64\redistbit.exe"
C:\Windows\SysWOW64\redistbit.exe
--5132896a
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 | |
| KR | 222.104.222.145:443 | tcp |
Files
memory/1104-54-0x0000000075631000-0x0000000075633000-memory.dmp
memory/2036-55-0x0000000000000000-mapping.dmp
memory/1104-56-0x0000000000230000-0x000000000023D000-memory.dmp
memory/1104-58-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2036-59-0x0000000000430000-0x0000000000441000-memory.dmp
memory/2036-60-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1456-61-0x0000000000000000-mapping.dmp
memory/564-62-0x00000000002E0000-0x00000000002F1000-memory.dmp
memory/2036-63-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1456-64-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1456-66-0x0000000000400000-0x000000000042C000-memory.dmp