Analysis
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max time kernel
149s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2024 19:49
Static task
static1
Behavioral task
behavioral1
Sample
3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe
Resource
win7-20241023-en
General
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Target
3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe
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Size
524KB
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MD5
43fbab667475e2717bbfa907ac2b6786
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SHA1
8d5af9836a8713aeed86424189d2cdb8b4318a8d
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SHA256
3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061
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SHA512
620ed0f8bbe926d4cce8474f4f70e29011bbcef2e3f7be74a6590d134a34f2781f478c4283626f9b53d8cf9054ae3ac83b1ff4d3ccdd67b94c6c24d43f79c474
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SSDEEP
12288:irOj+Ri3AgFdNfsuqW8BDSkiqD7hWw+OwZkT:UQ3AgFsuqBXDPj
Malware Config
Extracted
njrat
v4.0
HacKed
103.186.117.182:7788
Windows
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reg_key
Windows
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splitter
|-F-|
Signatures
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Njrat family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4952 powershell.exe 4972 powershell.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 772 set thread context of 3864 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 94 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 220 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 4952 powershell.exe 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 4972 powershell.exe 4952 powershell.exe 4972 powershell.exe -
Suspicious use of AdjustPrivilegeToken 32 IoCs
description pid Process Token: SeDebugPrivilege 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeDebugPrivilege 4952 powershell.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: 33 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe Token: SeIncBasePriorityPrivilege 3864 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 772 wrote to memory of 4952 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 88 PID 772 wrote to memory of 4952 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 88 PID 772 wrote to memory of 4952 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 88 PID 772 wrote to memory of 4972 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 90 PID 772 wrote to memory of 4972 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 90 PID 772 wrote to memory of 4972 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 90 PID 772 wrote to memory of 220 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 92 PID 772 wrote to memory of 220 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 92 PID 772 wrote to memory of 220 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 92 PID 772 wrote to memory of 3864 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 94 PID 772 wrote to memory of 3864 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 94 PID 772 wrote to memory of 3864 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 94 PID 772 wrote to memory of 3864 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 94 PID 772 wrote to memory of 3864 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 94 PID 772 wrote to memory of 3864 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 94 PID 772 wrote to memory of 3864 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 94 PID 772 wrote to memory of 3864 772 3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe"C:\Users\Admin\AppData\Local\Temp\3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4952
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GhImdAUxyGDCFQ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GhImdAUxyGDCFQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD7EE.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:220
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C:\Users\Admin\AppData\Local\Temp\3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe"C:\Users\Admin\AppData\Local\Temp\3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe"2⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3864
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5f7054167d648df03f92a314ee1fbea3a
SHA1e4dc20fa8957b13b79f76f56bddd19ead48e4c25
SHA256dda78ae0abe43fd5785427f2fccb5b68904859132ecba68bab097a8f706268ef
SHA5125975a043dffe5acd0d2ac8061ee49c928637563d13e8ff9af55ec196c7a4d297c53a9df493d25c43776253d0715fc748c141b9b1d5efc0650c065db1f636f940
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD55492ec64658088f2df4436d23a52ebca
SHA1dab9202cad46d19c68a7ecf6379c32125a53d818
SHA2569a531ed30a101e40d19bd5e46780ac8560995ee7879cf1f957e3f14bbcadb139
SHA51289ad557620958629b054c5c26f3630b7fe7b64c43315ee1e696633eef8c15fecc9ac60e9835804104c1d884792824af7e8c072e93e975d4cd4b7808c2bb5b761