Analysis Overview
SHA256
b3ea2eb443529e63babd54926a44d3d269a564972beca227ad47ccc59e767da9
Threat Level: Known bad
The file 46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-14 17:46
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-14 17:46
Reported
2024-07-14 17:48
Platform
win7-20240704-en
Max time kernel
145s
Max time network
149s
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\devguids.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\{69E95BF7-C33A-4383-BC4A-61E2D945B5D1}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69E95BF7-C33A-4383-BC4A-61E2D945B5D1}\WpadDecision = "0" | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-1b-c5-8d-86-5d\WpadDecisionReason = "1" | C:\Windows\SysWOW64\devguids.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\devguids.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69E95BF7-C33A-4383-BC4A-61E2D945B5D1}\WpadDecisionTime = e08df7cc15d6da01 | C:\Windows\SysWOW64\devguids.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69E95BF7-C33A-4383-BC4A-61E2D945B5D1}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\devguids.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69E95BF7-C33A-4383-BC4A-61E2D945B5D1}\52-1b-c5-8d-86-5d | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-1b-c5-8d-86-5d\WpadDecisionTime = e08df7cc15d6da01 | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-1b-c5-8d-86-5d\WpadDecision = "0" | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0092000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\devguids.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-1b-c5-8d-86-5d | C:\Windows\SysWOW64\devguids.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\devguids.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\devguids.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69E95BF7-C33A-4383-BC4A-61E2D945B5D1} | C:\Windows\SysWOW64\devguids.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\devguids.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\devguids.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\devguids.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\devguids.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\devguids.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\devguids.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\devguids.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe"
C:\Windows\SysWOW64\devguids.exe
"C:\Windows\SysWOW64\devguids.exe"
C:\Windows\SysWOW64\devguids.exe
"C:\Windows\SysWOW64\devguids.exe"
Network
| Country | Destination | Domain | Proto |
| LT | 212.122.71.196:995 | tcp | |
| LT | 212.122.71.196:995 | tcp | |
| TH | 58.9.168.7:990 | tcp | |
| TH | 58.9.168.7:990 | tcp | |
| US | 73.183.131.231:990 | tcp | |
| US | 73.183.131.231:990 | tcp |
Files
memory/2704-0-0x00000000003A0000-0x00000000003B2000-memory.dmp
memory/2704-1-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2780-2-0x0000000000400000-0x000000000045A000-memory.dmp
memory/2704-4-0x00000000003A0000-0x00000000003B2000-memory.dmp
memory/2780-5-0x0000000000400000-0x0000000000415000-memory.dmp
memory/3036-6-0x0000000000400000-0x000000000045A000-memory.dmp
memory/2724-7-0x0000000000400000-0x000000000045A000-memory.dmp
memory/2780-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2724-10-0x0000000000400000-0x000000000045A000-memory.dmp
memory/2724-11-0x0000000000400000-0x0000000000415000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-14 17:46
Reported
2024-07-14 17:48
Platform
win10v2004-20240709-en
Max time kernel
143s
Max time network
152s
Command Line
Signatures
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\wcssource.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\wcssource.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\wcssource.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\wcssource.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\wcssource.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\wcssource.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\wcssource.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4640 wrote to memory of 4184 | N/A | C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe |
| PID 4640 wrote to memory of 4184 | N/A | C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe |
| PID 4640 wrote to memory of 4184 | N/A | C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe |
| PID 3000 wrote to memory of 2556 | N/A | C:\Windows\SysWOW64\wcssource.exe | C:\Windows\SysWOW64\wcssource.exe |
| PID 3000 wrote to memory of 2556 | N/A | C:\Windows\SysWOW64\wcssource.exe | C:\Windows\SysWOW64\wcssource.exe |
| PID 3000 wrote to memory of 2556 | N/A | C:\Windows\SysWOW64\wcssource.exe | C:\Windows\SysWOW64\wcssource.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\46dc2c76f068aec1a2c932c6305a5cd1_JaffaCakes118.exe"
C:\Windows\SysWOW64\wcssource.exe
"C:\Windows\SysWOW64\wcssource.exe"
C:\Windows\SysWOW64\wcssource.exe
"C:\Windows\SysWOW64\wcssource.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 173.3.29.123:7080 | tcp | |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| ZA | 105.185.141.205:80 | tcp | |
| IE | 52.111.236.23:443 | tcp | |
| US | 207.255.210.196:80 | tcp | |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| AR | 190.211.207.11:443 | tcp | |
| TR | 85.104.59.244:20 | tcp |
Files
memory/4640-0-0x00000000021A0000-0x00000000021B2000-memory.dmp
memory/4640-1-0x0000000000400000-0x0000000000415000-memory.dmp
memory/4184-2-0x0000000000400000-0x000000000045A000-memory.dmp
memory/4184-4-0x0000000000400000-0x0000000000415000-memory.dmp
memory/4640-5-0x00000000021A0000-0x00000000021B2000-memory.dmp
memory/3000-6-0x0000000000400000-0x000000000045A000-memory.dmp
memory/2556-7-0x0000000000400000-0x000000000045A000-memory.dmp
memory/4184-9-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2556-10-0x0000000000400000-0x000000000045A000-memory.dmp
memory/2556-11-0x0000000000400000-0x0000000000415000-memory.dmp