Analysis Overview
SHA256
bd70f3abf0cb69a990396673cddb6e128c394ff84cc7992fd0689bd7d889ad9f
Threat Level: Known bad
The file bdbfbb101b25104192bc5031631d7ac1_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
njRAT/Bladabindi
Loads dropped DLL
Checks computer location settings
Drops startup file
Executes dropped EXE
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-24 01:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-24 01:31
Reported
2024-08-24 01:33
Platform
win7-20240729-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
njRAT/Bladabindi
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Server.sfx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Server.sfx.exe | N/A |
| N/A | N/A | C:\Server.sfx.exe | N/A |
| N/A | N/A | C:\Server.sfx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Server.sfx.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\bdbfbb101b25104192bc5031631d7ac1_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bdbfbb101b25104192bc5031631d7ac1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bdbfbb101b25104192bc5031631d7ac1_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\start.bat" "
C:\Server.sfx.exe
Server.sfx -pQWEtyfyiGBUYYUKNIUVDUWTG929393 -dc:\
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe
"C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe"
C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
"C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
C:\Windows\system32\taskeng.exe
taskeng.exe {1DC1D15C-0732-46AF-9B90-46DA418C6C82} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.56.1:5522 | tcp | |
| N/A | 192.168.56.1:5522 | tcp | |
| N/A | 192.168.56.1:5522 | tcp | |
| N/A | 192.168.56.1:5522 | tcp | |
| N/A | 192.168.56.1:5522 | tcp | |
| N/A | 192.168.56.1:5522 | tcp |
Files
C:\start.bat
| MD5 | 51857f7f625604a7ea3ad0c0850e3c3f |
| SHA1 | 0729ddb6ed84f67b841f45c396f608b465d7445b |
| SHA256 | 2d011cb82c507fd12a6786ae9c1fe66c1b2e29023a64478771bb7eaae91e4b92 |
| SHA512 | 19f7335f5b753321280c28ce931c0f36d599dffaa0226e5e927b101d2ae795754ac7cf60e4c9f2001aab4bca66dcb9eb0d386496518edf395ce8f319d407b48c |
C:\Server.sfx.exe
| MD5 | 77cb828ea0de00c7bfedd1ea32d48f29 |
| SHA1 | 1904b96592b0703f60b02731697fb52077653be6 |
| SHA256 | b40a23be5b1ee7d6b274738402dfd774444dbc085f1ce32136cd045db4c7eb92 |
| SHA512 | 47290addd51cbcdb3acb22babc8687351de71747607179b22da04f14dbc3655ab165adf28c5152f047c82b7d246fbeca61f1d66de4407851fafea828d796adae |
\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe
| MD5 | 1a4e08d1f66a74324b10e9d26e2daab0 |
| SHA1 | 6488ef5766133506f995aa94e2fc43bbbd09568b |
| SHA256 | 162ef53257f742814b5ae0c6b3abb6434d7ed5d6a239e96bc92523cf58a2568e |
| SHA512 | 9dc8f925f8a5430f5605041d41b5eea04d093632dce04ffc9e7adc75c95a97ed838c0d233b0f071f1bb75e45009a7dca09f4352dd5d0c0e22f8aecbdef5c82ec |
memory/2712-34-0x0000000000230000-0x0000000000242000-memory.dmp
memory/3000-42-0x0000000000A80000-0x0000000000A92000-memory.dmp
memory/1744-47-0x0000000000070000-0x0000000000082000-memory.dmp
memory/2236-49-0x0000000000FD0000-0x0000000000FE2000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-24 01:31
Reported
2024-08-24 01:33
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
njRAT/Bladabindi
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\bdbfbb101b25104192bc5031631d7ac1_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation | C:\Server.sfx.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Server.sfx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .." | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\bdbfbb101b25104192bc5031631d7ac1_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Server.sfx.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Dllhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bdbfbb101b25104192bc5031631d7ac1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bdbfbb101b25104192bc5031631d7ac1_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\start.bat" "
C:\Server.sfx.exe
Server.sfx -pQWEtyfyiGBUYYUKNIUVDUWTG929393 -dc:\
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe
"C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe"
C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
"C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| N/A | 192.168.56.1:5522 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| N/A | 192.168.56.1:5522 | tcp | |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| N/A | 192.168.56.1:5522 | tcp | |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| N/A | 192.168.56.1:5522 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| N/A | 192.168.56.1:5522 | tcp | |
| N/A | 192.168.56.1:5522 | tcp |
Files
C:\start.bat
| MD5 | 51857f7f625604a7ea3ad0c0850e3c3f |
| SHA1 | 0729ddb6ed84f67b841f45c396f608b465d7445b |
| SHA256 | 2d011cb82c507fd12a6786ae9c1fe66c1b2e29023a64478771bb7eaae91e4b92 |
| SHA512 | 19f7335f5b753321280c28ce931c0f36d599dffaa0226e5e927b101d2ae795754ac7cf60e4c9f2001aab4bca66dcb9eb0d386496518edf395ce8f319d407b48c |
C:\Server.sfx.exe
| MD5 | 77cb828ea0de00c7bfedd1ea32d48f29 |
| SHA1 | 1904b96592b0703f60b02731697fb52077653be6 |
| SHA256 | b40a23be5b1ee7d6b274738402dfd774444dbc085f1ce32136cd045db4c7eb92 |
| SHA512 | 47290addd51cbcdb3acb22babc8687351de71747607179b22da04f14dbc3655ab165adf28c5152f047c82b7d246fbeca61f1d66de4407851fafea828d796adae |
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Server.exe
| MD5 | 1a4e08d1f66a74324b10e9d26e2daab0 |
| SHA1 | 6488ef5766133506f995aa94e2fc43bbbd09568b |
| SHA256 | 162ef53257f742814b5ae0c6b3abb6434d7ed5d6a239e96bc92523cf58a2568e |
| SHA512 | 9dc8f925f8a5430f5605041d41b5eea04d093632dce04ffc9e7adc75c95a97ed838c0d233b0f071f1bb75e45009a7dca09f4352dd5d0c0e22f8aecbdef5c82ec |
memory/3852-19-0x0000000000BE0000-0x0000000000BF2000-memory.dmp
memory/3852-20-0x00000000055B0000-0x000000000564C000-memory.dmp
memory/3852-21-0x0000000005EE0000-0x0000000006484000-memory.dmp
memory/3852-22-0x00000000059D0000-0x0000000005A62000-memory.dmp
memory/4440-34-0x0000000004E10000-0x0000000004E1A000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Server.exe.log
| MD5 | 25d1b50e7c0d451f3d850eb54d27ca05 |
| SHA1 | a238807715c70a335f54e80d4855644b21a9e870 |
| SHA256 | 650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5 |
| SHA512 | 4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5 |