Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
24/04/2023, 00:35
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target file.exe
- Size 37KB
- Sample230424-axcc6agh27
- SHA256 049362a1eec3af3e554c23e6c825187b8105bb85f8de0c2836020a3cb923accc
- MD5 d6b26973059fe1e452cd9ed47a0bb27a
- SHA1 aec324424edfb1c2869252db3ec435f580087769
- SHA512 31914a221f307a4de9e57faa2c2f48ca3aa69ebabd83a0a9d5015e3cd610c4fd107736a6a732a556c8fe4690894e68314578b53fb16e09ebc013c2bdaa76187d
- SSDEEP 768:zm23pLGv8P6a58iWXrM+rMRa8Nuzf3Gt:C23pLGkya58XI+gRJNIf3
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
njrat
Version
-
im523
Botnet
-
HacKed
C2
-
37.46.117.90:38624
Mutex
-
6a3980628c5455a9a64039b37ae9ceb0
Attributes
-
reg_key
6a3980628c5455a9a64039b37ae9ceb0
-
splitter
|'|'|
Signatures
- Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 116 netsh.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation file.exe - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6a3980628c5455a9a64039b37ae9ceb0.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6a3980628c5455a9a64039b37ae9ceb0.exe server.exe - Executes dropped EXE 1 IoCs
pid Process 1228 server.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6a3980628c5455a9a64039b37ae9ceb0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\6a3980628c5455a9a64039b37ae9ceb0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe 1228 server.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1228 server.exe - Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe Token: 33 1228 server.exe Token: SeIncBasePriorityPrivilege 1228 server.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4976 wrote to memory of 1228 4976 file.exe 86 PID 4976 wrote to memory of 1228 4976 file.exe 86 PID 4976 wrote to memory of 1228 4976 file.exe 86 PID 1228 wrote to memory of 116 1228 server.exe 89 PID 1228 wrote to memory of 116 1228 server.exe 89 PID 1228 wrote to memory of 116 1228 server.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:116
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\server.exe
- Size 37KB
- SHA256 049362a1eec3af3e554c23e6c825187b8105bb85f8de0c2836020a3cb923accc
- MD5 d6b26973059fe1e452cd9ed47a0bb27a
- SHA1 aec324424edfb1c2869252db3ec435f580087769
- SHA512 31914a221f307a4de9e57faa2c2f48ca3aa69ebabd83a0a9d5015e3cd610c4fd107736a6a732a556c8fe4690894e68314578b53fb16e09ebc013c2bdaa76187d
- SSDEEP 768:zm23pLGv8P6a58iWXrM+rMRa8Nuzf3Gt:C23pLGkya58XI+gRJNIf3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\server.exe
- Size 37KB
- SHA256 049362a1eec3af3e554c23e6c825187b8105bb85f8de0c2836020a3cb923accc
- MD5 d6b26973059fe1e452cd9ed47a0bb27a
- SHA1 aec324424edfb1c2869252db3ec435f580087769
- SHA512 31914a221f307a4de9e57faa2c2f48ca3aa69ebabd83a0a9d5015e3cd610c4fd107736a6a732a556c8fe4690894e68314578b53fb16e09ebc013c2bdaa76187d
- SSDEEP 768:zm23pLGv8P6a58iWXrM+rMRa8Nuzf3Gt:C23pLGkya58XI+gRJNIf3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\server.exe
- Size 37KB
- SHA256 049362a1eec3af3e554c23e6c825187b8105bb85f8de0c2836020a3cb923accc
- MD5 d6b26973059fe1e452cd9ed47a0bb27a
- SHA1 aec324424edfb1c2869252db3ec435f580087769
- SHA512 31914a221f307a4de9e57faa2c2f48ca3aa69ebabd83a0a9d5015e3cd610c4fd107736a6a732a556c8fe4690894e68314578b53fb16e09ebc013c2bdaa76187d
- SSDEEP 768:zm23pLGv8P6a58iWXrM+rMRa8Nuzf3Gt:C23pLGkya58XI+gRJNIf3
- MD5 SHA1 SHA512 SSDEEP