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Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
17/01/2024, 17:54
Static task
static1
Behavioral task
behavioral1
Sample
633c2616fcd3a0b3774556615072b801.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
633c2616fcd3a0b3774556615072b801.exe
Resource
win10v2004-20231215-en
General
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Target
633c2616fcd3a0b3774556615072b801.exe
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Size
200KB
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MD5
633c2616fcd3a0b3774556615072b801
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SHA1
84132978d3952c72dc3a86d95ddd788f537e78f7
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SHA256
5181ab8ffd12b09e974dafdb618d572a60f5a95a09c26b5531cafd64595a4048
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SHA512
a90baf7f86855672827d383326c37773e81a3954b5761fed03845e5c4ded20baa5779fbd357bde2a231eddf45042966691021540ae6400433efd7ae537d994df
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SSDEEP
3072:MCJ59W+4OiJg+3L+/PoHTkxtGCgPFhfJUkq11zQQWzUURb:5J57Via+3L+oHwxtGPJcRQQJUR
Malware Config
Extracted
njrat
0.7d
HacKed
fadlfreh.hopto.org:3973
2e36917ee12f744b21767673c17c8221
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reg_key
2e36917ee12f744b21767673c17c8221
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2368 netsh.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation 633c2616fcd3a0b3774556615072b801.exe Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation Windows.exe -
Executes dropped EXE 2 IoCs
pid Process 3104 Windows.exe 3528 Microsoft .exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2e36917ee12f744b21767673c17c8221 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .." Microsoft .exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\2e36917ee12f744b21767673c17c8221 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .." Microsoft .exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 17 IoCs
description pid Process Token: SeDebugPrivilege 3528 Microsoft .exe Token: 33 3528 Microsoft .exe Token: SeIncBasePriorityPrivilege 3528 Microsoft .exe Token: 33 3528 Microsoft .exe Token: SeIncBasePriorityPrivilege 3528 Microsoft .exe Token: 33 3528 Microsoft .exe Token: SeIncBasePriorityPrivilege 3528 Microsoft .exe Token: 33 3528 Microsoft .exe Token: SeIncBasePriorityPrivilege 3528 Microsoft .exe Token: 33 3528 Microsoft .exe Token: SeIncBasePriorityPrivilege 3528 Microsoft .exe Token: 33 3528 Microsoft .exe Token: SeIncBasePriorityPrivilege 3528 Microsoft .exe Token: 33 3528 Microsoft .exe Token: SeIncBasePriorityPrivilege 3528 Microsoft .exe Token: 33 3528 Microsoft .exe Token: SeIncBasePriorityPrivilege 3528 Microsoft .exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1796 wrote to memory of 3104 1796 633c2616fcd3a0b3774556615072b801.exe 96 PID 1796 wrote to memory of 3104 1796 633c2616fcd3a0b3774556615072b801.exe 96 PID 1796 wrote to memory of 3104 1796 633c2616fcd3a0b3774556615072b801.exe 96 PID 3104 wrote to memory of 3528 3104 Windows.exe 98 PID 3104 wrote to memory of 3528 3104 Windows.exe 98 PID 3104 wrote to memory of 3528 3104 Windows.exe 98 PID 3528 wrote to memory of 2368 3528 Microsoft .exe 99 PID 3528 wrote to memory of 2368 3528 Microsoft .exe 99 PID 3528 wrote to memory of 2368 3528 Microsoft .exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.exe"C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1796 -
C:\Users\Admin\AppData\Local\Temp\Windows.exe"C:\Users\Admin\AppData\Local\Temp\Windows.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3104 -
C:\Users\Admin\AppData\Local\Temp\Microsoft .exe"C:\Users\Admin\AppData\Local\Temp\Microsoft .exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Microsoft .exe" "Microsoft .exe" ENABLE4⤵
- Modifies Windows Firewall
PID:2368
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
200KB
MD5633c2616fcd3a0b3774556615072b801
SHA184132978d3952c72dc3a86d95ddd788f537e78f7
SHA2565181ab8ffd12b09e974dafdb618d572a60f5a95a09c26b5531cafd64595a4048
SHA512a90baf7f86855672827d383326c37773e81a3954b5761fed03845e5c4ded20baa5779fbd357bde2a231eddf45042966691021540ae6400433efd7ae537d994df