Analysis Overview
SHA256
c6a767ba8c7fbd15990e376a2ecf6acd3933770982b7c591d35cce684770e719
Threat Level: Known bad
The file 675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-22 13:03
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 13:03
Reported
2024-05-22 13:13
Platform
win7-20240221-en
Max time kernel
134s
Max time network
154s
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\unpackser.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\Connections | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DF0CEC56-E98F-44C4-995D-69849CDD7EE8}\WpadDecisionTime = 0029018649acda01 | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DF0CEC56-E98F-44C4-995D-69849CDD7EE8}\WpadDecision = "0" | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DF0CEC56-E98F-44C4-995D-69849CDD7EE8}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DF0CEC56-E98F-44C4-995D-69849CDD7EE8}\fa-c9-7a-3d-a3-5a | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DF0CEC56-E98F-44C4-995D-69849CDD7EE8} | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-c9-7a-3d-a3-5a | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DF0CEC56-E98F-44C4-995D-69849CDD7EE8}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-c9-7a-3d-a3-5a\WpadDecisionReason = "1" | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-c9-7a-3d-a3-5a\WpadDecisionTime = 0029018649acda01 | C:\Windows\SysWOW64\unpackser.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-c9-7a-3d-a3-5a\WpadDecision = "0" | C:\Windows\SysWOW64\unpackser.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\unpackser.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\unpackser.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\unpackser.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\unpackser.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\unpackser.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe
--1bd4794c
C:\Windows\SysWOW64\unpackser.exe
"C:\Windows\SysWOW64\unpackser.exe"
C:\Windows\SysWOW64\unpackser.exe
--dc4b0d04
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/1280-0-0x0000000000220000-0x0000000000231000-memory.dmp
memory/1280-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1280-4-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1280-3-0x0000000000220000-0x0000000000231000-memory.dmp
memory/2200-5-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2200-6-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2620-7-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2200-10-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2616-11-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2616-12-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2616-13-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 13:03
Reported
2024-05-22 13:12
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
147s
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\IE | C:\Windows\SysWOW64\randomlines.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\randomlines.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\randomlines.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\SysWOW64\randomlines.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\randomlines.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\randomlines.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\randomlines.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\randomlines.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomlines.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomlines.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomlines.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomlines.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomlines.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomlines.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomlines.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomlines.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\randomlines.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3544 wrote to memory of 3456 | N/A | C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe |
| PID 3544 wrote to memory of 3456 | N/A | C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe |
| PID 3544 wrote to memory of 3456 | N/A | C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe |
| PID 4948 wrote to memory of 3508 | N/A | C:\Windows\SysWOW64\randomlines.exe | C:\Windows\SysWOW64\randomlines.exe |
| PID 4948 wrote to memory of 3508 | N/A | C:\Windows\SysWOW64\randomlines.exe | C:\Windows\SysWOW64\randomlines.exe |
| PID 4948 wrote to memory of 3508 | N/A | C:\Windows\SysWOW64\randomlines.exe | C:\Windows\SysWOW64\randomlines.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\675911f7a4b5931ad9cc0a34ceb5cc86_JaffaCakes118.exe
--1bd4794c
C:\Windows\SysWOW64\randomlines.exe
"C:\Windows\SysWOW64\randomlines.exe"
C:\Windows\SysWOW64\randomlines.exe
--42aa5852
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 23.62.61.129:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 129.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| NL | 23.62.61.129:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| BO | 200.58.171.51:80 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| MX | 189.196.140.187:80 | tcp | |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| KR | 222.104.222.145:443 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| MY | 115.132.227.247:443 | tcp | |
| CO | 190.85.206.228:80 | tcp |
Files
memory/3544-0-0x00000000005B0000-0x00000000005C1000-memory.dmp
memory/3544-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3544-3-0x00000000005B0000-0x00000000005C1000-memory.dmp
memory/3456-4-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4948-5-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3456-8-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3508-10-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3508-11-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3508-14-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3508-15-0x0000000000400000-0x0000000000421000-memory.dmp