Analysis Overview
SHA256
3a5d3ccbe1161064dd4900cbd8ca11797b13b9692fc66d3a632e53767b4fdc34
Threat Level: Known bad
The file 3a5d3ccbe1161064dd4900cbd8ca11797b13b9692fc66d3a632e53767b4fdc34 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-17 13:45
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-17 13:45
Reported
2024-04-17 13:48
Platform
win7-20240319-en
Max time kernel
148s
Max time network
155s
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\cmpminimum.exe | N/A |
Enumerates physical storage devices
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{31018324-B16F-4AD0-A541-ABF4E8F6EE31}\WpadDecisionTime = 30c971a0cd90da01 | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{31018324-B16F-4AD0-A541-ABF4E8F6EE31}\WpadDecision = "0" | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-95-62-b8-0a-63 | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{31018324-B16F-4AD0-A541-ABF4E8F6EE31}\b2-95-62-b8-0a-63 | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-95-62-b8-0a-63\WpadDecisionTime = 30c971a0cd90da01 | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0029000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-95-62-b8-0a-63\WpadDecisionReason = "1" | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-95-62-b8-0a-63\WpadDecision = "0" | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{31018324-B16F-4AD0-A541-ABF4E8F6EE31} | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{31018324-B16F-4AD0-A541-ABF4E8F6EE31}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{31018324-B16F-4AD0-A541-ABF4E8F6EE31}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmpminimum.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe
"C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe"
C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe
--34872623
C:\Windows\SysWOW64\cmpminimum.exe
"C:\Windows\SysWOW64\cmpminimum.exe"
C:\Windows\SysWOW64\cmpminimum.exe
--1e89131a
Network
| Country | Destination | Domain | Proto |
| PE | 190.117.206.153:443 | tcp | |
| PE | 190.117.206.153:443 | tcp | |
| PK | 203.99.187.137:443 | tcp | |
| PK | 203.99.187.137:443 | tcp | |
| CU | 200.55.168.82:20 | tcp | |
| CU | 200.55.168.82:20 | tcp |
Files
memory/2212-1-0x00000000001C0000-0x00000000001D0000-memory.dmp
memory/2212-0-0x00000000001F0000-0x0000000000206000-memory.dmp
memory/2368-6-0x0000000000240000-0x0000000000256000-memory.dmp
memory/1744-11-0x0000000000300000-0x0000000000316000-memory.dmp
memory/2512-16-0x00000000001D0000-0x00000000001E6000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-17 13:45
Reported
2024-04-17 13:48
Platform
win10v2004-20240226-en
Max time kernel
155s
Max time network
169s
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\History\History.IE5 | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\pinkengine.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\Content\CachePrefix | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\pinkengine.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\pinkengine.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\pinkengine.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe
"C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe"
C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe
--34872623
C:\Windows\SysWOW64\pinkengine.exe
"C:\Windows\SysWOW64\pinkengine.exe"
C:\Windows\SysWOW64\pinkengine.exe
--b6bde18a
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2268 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| GB | 216.58.201.106:443 | tcp | |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| PE | 190.117.206.153:443 | tcp | |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| PK | 203.99.187.137:443 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| CU | 200.55.168.82:20 | tcp | |
| US | 70.32.94.58:8080 | tcp | |
| GB | 213.138.100.98:8080 | tcp |
Files
memory/3628-0-0x00000000022D0000-0x00000000022E6000-memory.dmp
memory/3628-5-0x00000000022C0000-0x00000000022D0000-memory.dmp
memory/2732-6-0x00000000020A0000-0x00000000020B6000-memory.dmp
memory/4744-11-0x00000000005F0000-0x0000000000606000-memory.dmp