Analysis Overview
SHA256
03ecef991175f232bdf1326550ac5c554c6298108d163d5d74782d2074ea1aea
Threat Level: Known bad
The file 1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-04 09:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-04 09:54
Reported
2024-05-04 09:56
Platform
win7-20240221-en
Max time kernel
148s
Max time network
152s
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\groupmore.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\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3e-e3-d0-4c-ca-45\WpadDecisionTime = b0f7231a099eda01 | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB2EAF90-A9C8-4D33-81CC-68495072DB13}\WpadDecisionTime = f0af4659099eda01 | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB2EAF90-A9C8-4D33-81CC-68495072DB13}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB2EAF90-A9C8-4D33-81CC-68495072DB13}\WpadDecision = "0" | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3e-e3-d0-4c-ca-45 | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB2EAF90-A9C8-4D33-81CC-68495072DB13}\3e-e3-d0-4c-ca-45 | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3e-e3-d0-4c-ca-45\WpadDecision = "0" | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB2EAF90-A9C8-4D33-81CC-68495072DB13}\WpadDecisionTime = b0f7231a099eda01 | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3e-e3-d0-4c-ca-45\WpadDecisionTime = f0af4659099eda01 | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB2EAF90-A9C8-4D33-81CC-68495072DB13} | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB2EAF90-A9C8-4D33-81CC-68495072DB13}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3e-e3-d0-4c-ca-45\WpadDecisionReason = "1" | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3e-e3-d0-4c-ca-45\WpadDetectedUrl | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\groupmore.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\groupmore.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\groupmore.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\groupmore.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\groupmore.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\groupmore.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\groupmore.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe
--b707efc8
C:\Windows\SysWOW64\groupmore.exe
"C:\Windows\SysWOW64\groupmore.exe"
C:\Windows\SysWOW64\groupmore.exe
--a87c8e0a
Network
| Country | Destination | Domain | Proto |
| US | 104.236.137.72:8080 | tcp | |
| US | 104.236.137.72:8080 | tcp | |
| DE | 172.104.233.225:8080 | tcp | |
| DE | 172.104.233.225:8080 | tcp | |
| DE | 81.169.140.14:443 | tcp | |
| DE | 81.169.140.14:443 | tcp | |
| PL | 213.189.36.51:8080 | tcp | |
| PL | 213.189.36.51:8080 | tcp | |
| DE | 87.106.77.40:7080 | tcp |
Files
memory/3016-0-0x00000000000F0000-0x0000000000107000-memory.dmp
memory/3016-5-0x0000000000090000-0x00000000000A1000-memory.dmp
memory/2952-6-0x00000000000B0000-0x00000000000C7000-memory.dmp
memory/2952-11-0x0000000000090000-0x00000000000A1000-memory.dmp
memory/2500-17-0x00000000000F0000-0x0000000000101000-memory.dmp
memory/2500-12-0x0000000000110000-0x0000000000127000-memory.dmp
memory/2952-18-0x0000000000C20000-0x0000000000C6F000-memory.dmp
memory/2556-19-0x0000000000270000-0x0000000000287000-memory.dmp
memory/2556-24-0x0000000000210000-0x0000000000221000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-04 09:54
Reported
2024-05-04 09:56
Platform
win10v2004-20240419-en
Max time kernel
133s
Max time network
141s
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\runrun.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\runrun.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\runrun.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\SysWOW64\runrun.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\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\runrun.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\runrun.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\runrun.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\runrun.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\runrun.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\runrun.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\runrun.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\runrun.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\runrun.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\runrun.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\runrun.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\runrun.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\runrun.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\runrun.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\runrun.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2852 wrote to memory of 4360 | N/A | C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe |
| PID 2852 wrote to memory of 4360 | N/A | C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe |
| PID 2852 wrote to memory of 4360 | N/A | C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe |
| PID 976 wrote to memory of 2772 | N/A | C:\Windows\SysWOW64\runrun.exe | C:\Windows\SysWOW64\runrun.exe |
| PID 976 wrote to memory of 2772 | N/A | C:\Windows\SysWOW64\runrun.exe | C:\Windows\SysWOW64\runrun.exe |
| PID 976 wrote to memory of 2772 | N/A | C:\Windows\SysWOW64\runrun.exe | C:\Windows\SysWOW64\runrun.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\1231b5eec3313cfa095756fa5aaf1b19_JaffaCakes118.exe
--b707efc8
C:\Windows\SysWOW64\runrun.exe
"C:\Windows\SysWOW64\runrun.exe"
C:\Windows\SysWOW64\runrun.exe
--c3ed9952
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 104.236.137.72:8080 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| DE | 172.104.233.225:8080 | tcp | |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| DE | 81.169.140.14:443 | tcp | |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 49.15.97.104.in-addr.arpa | udp |
| PL | 213.189.36.51:8080 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.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 | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| DE | 87.106.77.40:7080 | tcp | |
| IE | 86.42.166.147:80 | tcp |
Files
memory/2852-0-0x00000000012D0000-0x00000000012E7000-memory.dmp
memory/2852-5-0x00000000012B0000-0x00000000012C1000-memory.dmp
memory/4360-6-0x00000000006A0000-0x00000000006B7000-memory.dmp
memory/4360-11-0x0000000000680000-0x0000000000691000-memory.dmp
memory/976-13-0x0000000001520000-0x0000000001537000-memory.dmp
memory/976-18-0x00000000011D0000-0x00000000011E1000-memory.dmp
memory/4360-19-0x0000000000EA0000-0x0000000000EEF000-memory.dmp
C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\8049f5751f521006eea6c344abdeca4a_54631303-6cba-4b22-b333-215df416769a
| MD5 | f730d90525420c3cc17e473d8c01f71c |
| SHA1 | d1a3493df7b5f92e4df5a65b0ef3dc24a8744d63 |
| SHA256 | d7cba870504d6fca4e8bc2a965f8de5586e0af5886780deba265275e53d929f9 |
| SHA512 | 09d865e1087ac655cc246665399febadd0c32415aa21370db6d9b8129ccaf1109d39e24f724fbce35dffebea8bada6e1a99e544ce4c09e2c990e026c00697645 |
memory/2772-21-0x0000000001140000-0x0000000001157000-memory.dmp
memory/2772-26-0x00000000010C0000-0x00000000010D1000-memory.dmp