Analysis Overview
SHA256
8fc1820dae78015bbd07b3a11c1f4310c0c838a33c76935cf74eb71ac91ca053
Threat Level: Known bad
The file 50ce9c75cd29bca309ebe6d244376464_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Emotet
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
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
2024-05-17 18:11
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-17 18:11
Reported
2024-05-17 18:14
Platform
win7-20240419-en
Max time kernel
148s
Max time network
151s
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\malerttexas.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\malerttexas.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37BAAEC5-C191-4C28-BB0F-E325833E4815} | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-47-65-7c-a1-d4 | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-47-65-7c-a1-d4\WpadDecisionTime = d0b787c285a8da01 | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37BAAEC5-C191-4C28-BB0F-E325833E4815}\WpadDecision = "0" | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-47-65-7c-a1-d4\WpadDetectedUrl | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37BAAEC5-C191-4C28-BB0F-E325833E4815}\WpadDecisionTime = d0b787c285a8da01 | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-47-65-7c-a1-d4\WpadDecision = "0" | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37BAAEC5-C191-4C28-BB0F-E325833E4815}\WpadDecisionTime = 101c66e585a8da01 | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37BAAEC5-C191-4C28-BB0F-E325833E4815}\WpadDecisionReason = "1" | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37BAAEC5-C191-4C28-BB0F-E325833E4815}\WpadNetworkName = "Network 3" | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-47-65-7c-a1-d4\WpadDecisionReason = "1" | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{37BAAEC5-C191-4C28-BB0F-E325833E4815}\46-47-65-7c-a1-d4 | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-47-65-7c-a1-d4\WpadDecisionTime = 101c66e585a8da01 | C:\Windows\SysWOW64\malerttexas.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\malerttexas.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\malerttexas.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe
--eef93871
C:\Windows\SysWOW64\malerttexas.exe
"C:\Windows\SysWOW64\malerttexas.exe"
C:\Windows\SysWOW64\malerttexas.exe
--417bffe0
Network
| Country | Destination | Domain | Proto |
| KR | 222.239.249.166:443 | tcp | |
| KR | 222.239.249.166:443 | tcp | |
| MD | 217.26.163.82:7080 | tcp | |
| MD | 217.26.163.82:7080 | tcp | |
| DE | 91.205.173.54:8080 | tcp | |
| DE | 91.205.173.54:8080 | tcp | |
| FR | 163.172.97.112:8080 | tcp | |
| FR | 163.172.97.112:8080 | tcp | |
| PK | 103.205.177.229:80 | tcp | |
| PK | 103.205.177.229:80 | tcp | |
| NL | 176.58.93.123:80 | tcp |
Files
memory/1764-0-0x0000000000260000-0x0000000000274000-memory.dmp
memory/1764-5-0x0000000000250000-0x000000000025F000-memory.dmp
memory/2864-6-0x0000000000230000-0x0000000000244000-memory.dmp
memory/3020-11-0x0000000000460000-0x0000000000474000-memory.dmp
memory/2864-16-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2636-17-0x00000000003C0000-0x00000000003D4000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-17 18:11
Reported
2024-05-17 18:14
Platform
win10v2004-20240426-en
Max time kernel
137s
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\Content.IE5 | C:\Windows\SysWOW64\nicboost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\nicboost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\nicboost.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\nicboost.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\nicboost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SysWOW64\nicboost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\SysWOW64\nicboost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\nicboost.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2372 wrote to memory of 3980 | N/A | C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe |
| PID 2372 wrote to memory of 3980 | N/A | C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe |
| PID 2372 wrote to memory of 3980 | N/A | C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe |
| PID 1372 wrote to memory of 3124 | N/A | C:\Windows\SysWOW64\nicboost.exe | C:\Windows\SysWOW64\nicboost.exe |
| PID 1372 wrote to memory of 3124 | N/A | C:\Windows\SysWOW64\nicboost.exe | C:\Windows\SysWOW64\nicboost.exe |
| PID 1372 wrote to memory of 3124 | N/A | C:\Windows\SysWOW64\nicboost.exe | C:\Windows\SysWOW64\nicboost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\50ce9c75cd29bca309ebe6d244376464_JaffaCakes118.exe
--eef93871
C:\Windows\SysWOW64\nicboost.exe
"C:\Windows\SysWOW64\nicboost.exe"
C:\Windows\SysWOW64\nicboost.exe
--cf343c4d
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| NL | 23.62.61.112:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 112.61.62.23.in-addr.arpa | udp |
| KR | 222.239.249.166:443 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| NL | 23.62.61.112:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| MD | 217.26.163.82:7080 | tcp | |
| DE | 91.205.173.54:8080 | tcp | |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| FR | 163.172.97.112:8080 | tcp | |
| PK | 103.205.177.229:80 | tcp | |
| US | 8.8.8.8:53 | 30.243.111.52.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 |
| NL | 176.58.93.123:80 | tcp | |
| KG | 212.112.113.235:80 | tcp |
Files
memory/2372-0-0x0000000002200000-0x0000000002214000-memory.dmp
memory/2372-5-0x00000000021F0000-0x00000000021FF000-memory.dmp
memory/3980-6-0x00000000021A0000-0x00000000021B4000-memory.dmp
memory/1372-12-0x0000000000DC0000-0x0000000000DD4000-memory.dmp
memory/3980-17-0x0000000000400000-0x0000000000456000-memory.dmp
memory/3124-19-0x0000000000540000-0x0000000000554000-memory.dmp
C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\5ee9f8cddb3ff188c6a99dcf99203008_41e50f4a-4a76-42e1-a3df-51306e426307
| MD5 | aaec799e344163d0d188e0590697cb1e |
| SHA1 | 94aa3e9674f1335e1cdf6dc7b7c7cdbf5c97c65d |
| SHA256 | d627b40c75603106e24782fdb852c180722ae6d472bdb60367bf2708f28f5454 |
| SHA512 | 285e78b5ddc3049b2b167e0c785f410260eecdbb745489e3e5984e118c627e97b7499f8a937a4a6d5da4fe046fb220fc70fd5abc583083909fd005b1ee4f03b0 |