Analysis
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max time kernel
150s -
max time network
142s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
14-12-2020 17:14
Static task
static1
Behavioral task
behavioral1
Sample
f93f0a6039b2f950fc05ad77515383fd.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
f93f0a6039b2f950fc05ad77515383fd.exe
Resource
win10v20201028
General
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Target
f93f0a6039b2f950fc05ad77515383fd.exe
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Size
23KB
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MD5
f93f0a6039b2f950fc05ad77515383fd
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SHA1
d0d5c0beaaca0e42fbac50ec72dd3da4940778ab
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SHA256
8dffff5dcf24524447213dd02686c1d880c909134f73b9c65c0c8e0a64e9b091
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SHA512
e4be0b88d5444633bf2b2282ac72cc0054e2ac76a3ee690136a0dcff06e5ee9a92b2f2148eb1109652f7c3faab13f2e9f92f49e55904383420b2da5de0ef6b95
Malware Config
Extracted
njrat
0.7d
HacKed
192.168.10.32:8080
c3d68c9fc93fbaa07853ddcb3db39f17
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reg_key
c3d68c9fc93fbaa07853ddcb3db39f17
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
game.exepid process 1288 game.exe -
Modifies Windows Firewall 1 TTPs
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Drops startup file 2 IoCs
Processes:
game.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c3d68c9fc93fbaa07853ddcb3db39f17.exe game.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c3d68c9fc93fbaa07853ddcb3db39f17.exe game.exe -
Loads dropped DLL 1 IoCs
Processes:
f93f0a6039b2f950fc05ad77515383fd.exepid process 932 f93f0a6039b2f950fc05ad77515383fd.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
game.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\c3d68c9fc93fbaa07853ddcb3db39f17 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\game.exe\" .." game.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\c3d68c9fc93fbaa07853ddcb3db39f17 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\game.exe\" .." game.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 31 IoCs
Processes:
game.exedescription pid process Token: SeDebugPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe Token: 33 1288 game.exe Token: SeIncBasePriorityPrivilege 1288 game.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
f93f0a6039b2f950fc05ad77515383fd.exegame.exedescription pid process target process PID 932 wrote to memory of 1288 932 f93f0a6039b2f950fc05ad77515383fd.exe game.exe PID 932 wrote to memory of 1288 932 f93f0a6039b2f950fc05ad77515383fd.exe game.exe PID 932 wrote to memory of 1288 932 f93f0a6039b2f950fc05ad77515383fd.exe game.exe PID 932 wrote to memory of 1288 932 f93f0a6039b2f950fc05ad77515383fd.exe game.exe PID 1288 wrote to memory of 1224 1288 game.exe netsh.exe PID 1288 wrote to memory of 1224 1288 game.exe netsh.exe PID 1288 wrote to memory of 1224 1288 game.exe netsh.exe PID 1288 wrote to memory of 1224 1288 game.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f93f0a6039b2f950fc05ad77515383fd.exe"C:\Users\Admin\AppData\Local\Temp\f93f0a6039b2f950fc05ad77515383fd.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\game.exe"C:\Users\Admin\AppData\Local\Temp\game.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- 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\game.exe" "game.exe" ENABLE3⤵
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\game.exeMD5
f93f0a6039b2f950fc05ad77515383fd
SHA1d0d5c0beaaca0e42fbac50ec72dd3da4940778ab
SHA2568dffff5dcf24524447213dd02686c1d880c909134f73b9c65c0c8e0a64e9b091
SHA512e4be0b88d5444633bf2b2282ac72cc0054e2ac76a3ee690136a0dcff06e5ee9a92b2f2148eb1109652f7c3faab13f2e9f92f49e55904383420b2da5de0ef6b95
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C:\Users\Admin\AppData\Local\Temp\game.exeMD5
f93f0a6039b2f950fc05ad77515383fd
SHA1d0d5c0beaaca0e42fbac50ec72dd3da4940778ab
SHA2568dffff5dcf24524447213dd02686c1d880c909134f73b9c65c0c8e0a64e9b091
SHA512e4be0b88d5444633bf2b2282ac72cc0054e2ac76a3ee690136a0dcff06e5ee9a92b2f2148eb1109652f7c3faab13f2e9f92f49e55904383420b2da5de0ef6b95
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\Users\Admin\AppData\Local\Temp\game.exeMD5
f93f0a6039b2f950fc05ad77515383fd
SHA1d0d5c0beaaca0e42fbac50ec72dd3da4940778ab
SHA2568dffff5dcf24524447213dd02686c1d880c909134f73b9c65c0c8e0a64e9b091
SHA512e4be0b88d5444633bf2b2282ac72cc0054e2ac76a3ee690136a0dcff06e5ee9a92b2f2148eb1109652f7c3faab13f2e9f92f49e55904383420b2da5de0ef6b95
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memory/1224-6-0x0000000000000000-mapping.dmp
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memory/1288-3-0x0000000000000000-mapping.dmp