Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
04-07-2022 12:13
Static task
static1
Behavioral task
behavioral1
Sample
jopa.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
jopa.exe
Resource
win10v2004-20220414-en
General
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Target
jopa.exe
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Size
346KB
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MD5
c54c1e78c781a6c95919a012c30c0c32
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SHA1
9ad3a3a9ba4f5fa997298c893e085dd77f635b0b
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SHA256
c4e8a78d7af808b4fe0fa7d8c7da2b2e6a364264621ccf520578c9d5d05baa5a
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SHA512
975e318b4c18e9b0590de04e2c3762a7a70ee9313d8335a2bb46b0a1307887aeb52567463542dbcf09c9b35bed3a624bab1b18d43f6beddca1ce9d0384ddee94
Malware Config
Extracted
njrat
im523
gay
2.tcp.eu.ngrok.io:11696
b40c8069f7901ea328823f37ffd1b3b2
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reg_key
b40c8069f7901ea328823f37ffd1b3b2
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splitter
|'|'|
Extracted
njrat
im523
NEXT
109.197.196.135:9991
413491cbe232876548b9b7cd8a1b451d
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reg_key
413491cbe232876548b9b7cd8a1b451d
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splitter
|'|'|
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
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suricata: ET MALWARE njrat ver 0.7d Malware CnC Callback (Capture)
suricata: ET MALWARE njrat ver 0.7d Malware CnC Callback (Capture)
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ModiLoader Second Stage 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\tmpBA0E.tmp.exe modiloader_stage2 C:\Users\Admin\AppData\Local\Temp\tmpBA0E.tmp.exe modiloader_stage2 -
Executes dropped EXE 5 IoCs
Processes:
Server.exeSeer.exedllhost.exetmpBA0E.tmp.exetmpDB32.tmp.exepid process 4968 Server.exe 4280 Seer.exe 3152 dllhost.exe 984 tmpBA0E.tmp.exe 4340 tmpDB32.tmp.exe -
Modifies Windows Firewall 1 TTPs 2 IoCs
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Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
jopa.exeSeer.exedllhost.exeServer.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation jopa.exe Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation Seer.exe Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation dllhost.exe Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation Server.exe -
Drops startup file 4 IoCs
Processes:
dllhost.exeServer.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\413491cbe232876548b9b7cd8a1b451d.exe dllhost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b40c8069f7901ea328823f37ffd1b3b2.exe Server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b40c8069f7901ea328823f37ffd1b3b2.exe Server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\413491cbe232876548b9b7cd8a1b451d.exe dllhost.exe -
Adds Run key to start application 2 TTPs 6 IoCs
Processes:
tmpBA0E.tmp.exeServer.exedllhost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tmpBA0E.tmp.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmpBA0E.tmp.exe" tmpBA0E.tmp.exe Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b40c8069f7901ea328823f37ffd1b3b2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .." Server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b40c8069f7901ea328823f37ffd1b3b2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .." Server.exe Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\413491cbe232876548b9b7cd8a1b451d = "\"C:\\Users\\Admin\\AppData\\Roaming\\dllhost.exe\" .." dllhost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\413491cbe232876548b9b7cd8a1b451d = "\"C:\\Users\\Admin\\AppData\\Roaming\\dllhost.exe\" .." dllhost.exe Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows\CurrentVersion\Run tmpBA0E.tmp.exe -
Drops autorun.inf file 1 TTPs 5 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
Processes:
Server.exedllhost.exedescription ioc process File created D:\autorun.inf Server.exe File created C:\autorun.inf dllhost.exe File created D:\autorun.inf dllhost.exe File created C:\autorun.inf Server.exe File opened for modification C:\autorun.inf Server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Server.exepid process 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe 4968 Server.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
Server.exedllhost.exepid process 4968 Server.exe 3152 dllhost.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
Server.exedllhost.exeexplorer.exedescription pid process Token: SeDebugPrivilege 4968 Server.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: SeDebugPrivilege 3152 dllhost.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: SeShutdownPrivilege 3684 explorer.exe Token: SeCreatePagefilePrivilege 3684 explorer.exe Token: SeShutdownPrivilege 3684 explorer.exe Token: SeCreatePagefilePrivilege 3684 explorer.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe Token: 33 3152 dllhost.exe Token: SeIncBasePriorityPrivilege 3152 dllhost.exe Token: 33 4968 Server.exe Token: SeIncBasePriorityPrivilege 4968 Server.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
jopa.exeServer.exeSeer.exedllhost.exedescription pid process target process PID 3192 wrote to memory of 4968 3192 jopa.exe Server.exe PID 3192 wrote to memory of 4968 3192 jopa.exe Server.exe PID 3192 wrote to memory of 4968 3192 jopa.exe Server.exe PID 3192 wrote to memory of 4280 3192 jopa.exe Seer.exe PID 3192 wrote to memory of 4280 3192 jopa.exe Seer.exe PID 3192 wrote to memory of 4280 3192 jopa.exe Seer.exe PID 4968 wrote to memory of 452 4968 Server.exe netsh.exe PID 4968 wrote to memory of 452 4968 Server.exe netsh.exe PID 4968 wrote to memory of 452 4968 Server.exe netsh.exe PID 4280 wrote to memory of 3152 4280 Seer.exe dllhost.exe PID 4280 wrote to memory of 3152 4280 Seer.exe dllhost.exe PID 4280 wrote to memory of 3152 4280 Seer.exe dllhost.exe PID 3152 wrote to memory of 756 3152 dllhost.exe netsh.exe PID 3152 wrote to memory of 756 3152 dllhost.exe netsh.exe PID 3152 wrote to memory of 756 3152 dllhost.exe netsh.exe PID 3152 wrote to memory of 984 3152 dllhost.exe tmpBA0E.tmp.exe PID 3152 wrote to memory of 984 3152 dllhost.exe tmpBA0E.tmp.exe PID 3152 wrote to memory of 984 3152 dllhost.exe tmpBA0E.tmp.exe PID 4968 wrote to memory of 4340 4968 Server.exe tmpDB32.tmp.exe PID 4968 wrote to memory of 4340 4968 Server.exe tmpDB32.tmp.exe PID 4968 wrote to memory of 4340 4968 Server.exe tmpDB32.tmp.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\jopa.exe"C:\Users\Admin\AppData\Local\Temp\jopa.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Server.exe"C:\Users\Admin\AppData\Local\Temp\Server.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE3⤵
- Modifies Windows Firewall
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C:\Users\Admin\AppData\Local\Temp\tmpDB32.tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmpDB32.tmp.exe"3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\Seer.exe"C:\Users\Admin\AppData\Local\Temp\Seer.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\dllhost.exe"C:\Users\Admin\AppData\Roaming\dllhost.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Drops autorun.inf file
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\dllhost.exe" "dllhost.exe" ENABLE4⤵
- Modifies Windows Firewall
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C:\Users\Admin\AppData\Local\Temp\tmpBA0E.tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmpBA0E.tmp.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
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C:\Windows\explorer.exeexplorer.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\Seer.exeFilesize
37KB
MD573196f394725a9623d84a512cdddf6ce
SHA14d24d92f70b2cbce52b1b173162b8f504ee7752f
SHA256ee4ab4017c6e9c0883b2c1e42d0f0264f178ad2c6416e07d77169fdf94d1b1a4
SHA5129c7d00237665f6a1df06217d156cbf07e499f60a7b4eb807b2df107f7392d710cb2439d524827b50492578c652ba20b81f95e4e0eee9f144330847f041971ed6
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C:\Users\Admin\AppData\Local\Temp\Seer.exeFilesize
37KB
MD573196f394725a9623d84a512cdddf6ce
SHA14d24d92f70b2cbce52b1b173162b8f504ee7752f
SHA256ee4ab4017c6e9c0883b2c1e42d0f0264f178ad2c6416e07d77169fdf94d1b1a4
SHA5129c7d00237665f6a1df06217d156cbf07e499f60a7b4eb807b2df107f7392d710cb2439d524827b50492578c652ba20b81f95e4e0eee9f144330847f041971ed6
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C:\Users\Admin\AppData\Local\Temp\Server.exeFilesize
37KB
MD5c416df61c2d1b3d75fa5983e282542ce
SHA1e1a98256b16e7a1666871133091743ee11e4a171
SHA2564a6cc991136caa150891fc6dea2eed91cc9c6b40030bee9120e1b8b504ab570e
SHA512ec0b63312f058e46b1106731a87aca84ffe196b4c88c433df7399611fc51a07518cc77c21764d289eb81a13b095c1505e1685591335103818916f33beba82c77
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C:\Users\Admin\AppData\Local\Temp\Server.exeFilesize
37KB
MD5c416df61c2d1b3d75fa5983e282542ce
SHA1e1a98256b16e7a1666871133091743ee11e4a171
SHA2564a6cc991136caa150891fc6dea2eed91cc9c6b40030bee9120e1b8b504ab570e
SHA512ec0b63312f058e46b1106731a87aca84ffe196b4c88c433df7399611fc51a07518cc77c21764d289eb81a13b095c1505e1685591335103818916f33beba82c77
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C:\Users\Admin\AppData\Local\Temp\tmpBA0E.tmp.exeFilesize
397KB
MD55cc71bb72dfa08129a2d52c5d4304555
SHA180630df164be23af18e7a2bc3b61d41d95121283
SHA256bceed71f2dd96f73d106bc1f3d81f185a787ad1cddedefb9d2068ffd0b6447dc
SHA512735e3741de37981815ce79367f1c357affc7500c7e5e175bd6b075059a7528688eed7d25736e2e0758cddd6801194389bf96ea25e255424d260f02a94c8d5499
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C:\Users\Admin\AppData\Local\Temp\tmpBA0E.tmp.exeFilesize
397KB
MD55cc71bb72dfa08129a2d52c5d4304555
SHA180630df164be23af18e7a2bc3b61d41d95121283
SHA256bceed71f2dd96f73d106bc1f3d81f185a787ad1cddedefb9d2068ffd0b6447dc
SHA512735e3741de37981815ce79367f1c357affc7500c7e5e175bd6b075059a7528688eed7d25736e2e0758cddd6801194389bf96ea25e255424d260f02a94c8d5499
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C:\Users\Admin\AppData\Local\Temp\tmpDB32.tmp.exeFilesize
37KB
MD573196f394725a9623d84a512cdddf6ce
SHA14d24d92f70b2cbce52b1b173162b8f504ee7752f
SHA256ee4ab4017c6e9c0883b2c1e42d0f0264f178ad2c6416e07d77169fdf94d1b1a4
SHA5129c7d00237665f6a1df06217d156cbf07e499f60a7b4eb807b2df107f7392d710cb2439d524827b50492578c652ba20b81f95e4e0eee9f144330847f041971ed6
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C:\Users\Admin\AppData\Local\Temp\tmpDB32.tmp.exeFilesize
37KB
MD573196f394725a9623d84a512cdddf6ce
SHA14d24d92f70b2cbce52b1b173162b8f504ee7752f
SHA256ee4ab4017c6e9c0883b2c1e42d0f0264f178ad2c6416e07d77169fdf94d1b1a4
SHA5129c7d00237665f6a1df06217d156cbf07e499f60a7b4eb807b2df107f7392d710cb2439d524827b50492578c652ba20b81f95e4e0eee9f144330847f041971ed6
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C:\Users\Admin\AppData\Roaming\dllhost.exeFilesize
37KB
MD573196f394725a9623d84a512cdddf6ce
SHA14d24d92f70b2cbce52b1b173162b8f504ee7752f
SHA256ee4ab4017c6e9c0883b2c1e42d0f0264f178ad2c6416e07d77169fdf94d1b1a4
SHA5129c7d00237665f6a1df06217d156cbf07e499f60a7b4eb807b2df107f7392d710cb2439d524827b50492578c652ba20b81f95e4e0eee9f144330847f041971ed6
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C:\Users\Admin\AppData\Roaming\dllhost.exeFilesize
37KB
MD573196f394725a9623d84a512cdddf6ce
SHA14d24d92f70b2cbce52b1b173162b8f504ee7752f
SHA256ee4ab4017c6e9c0883b2c1e42d0f0264f178ad2c6416e07d77169fdf94d1b1a4
SHA5129c7d00237665f6a1df06217d156cbf07e499f60a7b4eb807b2df107f7392d710cb2439d524827b50492578c652ba20b81f95e4e0eee9f144330847f041971ed6
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memory/452-138-0x0000000000000000-mapping.dmp
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memory/756-145-0x0000000000000000-mapping.dmp
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memory/984-147-0x0000000000000000-mapping.dmp
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memory/3152-139-0x0000000000000000-mapping.dmp
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memory/3152-146-0x00000000729F0000-0x0000000072FA1000-memory.dmpFilesize
5.7MB
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memory/3152-143-0x00000000729F0000-0x0000000072FA1000-memory.dmpFilesize
5.7MB
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memory/4280-136-0x00000000729F0000-0x0000000072FA1000-memory.dmpFilesize
5.7MB
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memory/4280-142-0x00000000729F0000-0x0000000072FA1000-memory.dmpFilesize
5.7MB
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memory/4280-133-0x0000000000000000-mapping.dmp
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memory/4340-150-0x0000000000000000-mapping.dmp
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memory/4340-153-0x00000000729F0000-0x0000000072FA1000-memory.dmpFilesize
5.7MB
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memory/4340-154-0x00000000729F0000-0x0000000072FA1000-memory.dmpFilesize
5.7MB
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memory/4968-144-0x00000000729F0000-0x0000000072FA1000-memory.dmpFilesize
5.7MB
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memory/4968-137-0x00000000729F0000-0x0000000072FA1000-memory.dmpFilesize
5.7MB
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memory/4968-130-0x0000000000000000-mapping.dmp