Analysis
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max time kernel
150s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04-04-2024 18:42
Static task
static1
Behavioral task
behavioral1
Sample
Tax_Document/IVIEWERS.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Tax_Document/IVIEWERS.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
Tax_Document/Tax_Document.exe
Resource
win7-20240221-en
General
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Target
Tax_Document/Tax_Document.exe
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Size
186KB
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MD5
df33c821c06835a1349cbe3b0c65f24c
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SHA1
5ddbb84801115d8e495b14c3963f6b174b5801f2
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SHA256
0263663c5375289fa2550d0cff3553dfc160a767e718a9c38efc0da3d7a4b626
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SHA512
13a9eff075b12b6ef398e103eda806ceed737665d35955c8882defd63ef0c9e25ecfe856ebf5560cbb61a02821ddcf9993290138fa8cdb0150ebbe0b7a1e6195
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SSDEEP
3072:IUiDZK+VBulx0QtCggULGWtf5Ju+uaxObQPEoSlpcm8Cy/V:wZjz2NqWtfHduaxOEPJAcmgV
Malware Config
Extracted
darkgate
seal1
193.142.146.203
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anti_analysis
false
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anti_debug
false
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anti_vm
false
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c2_port
80
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check_disk
false
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check_ram
false
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check_xeon
false
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crypter_au3
false
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crypter_dll
false
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crypter_raw_stub
false
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internal_mutex
AVUHIwtf
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minimum_disk
100
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minimum_ram
4096
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ping_interval
6
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rootkit
false
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startup_persistence
false
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username
seal1
Signatures
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Detect DarkGate stealer 9 IoCs
resource yara_rule behavioral4/memory/3536-2-0x0000000010000000-0x0000000010281000-memory.dmp family_darkgate_v6 behavioral4/memory/3536-5-0x0000000010000000-0x0000000010281000-memory.dmp family_darkgate_v6 behavioral4/memory/1624-6-0x0000000000150000-0x00000000001C2000-memory.dmp family_darkgate_v6 behavioral4/memory/1624-7-0x0000000000150000-0x00000000001C2000-memory.dmp family_darkgate_v6 behavioral4/memory/1624-9-0x0000000000150000-0x00000000001C2000-memory.dmp family_darkgate_v6 behavioral4/memory/1624-11-0x0000000000150000-0x00000000001C2000-memory.dmp family_darkgate_v6 behavioral4/memory/1624-12-0x0000000000150000-0x00000000001C2000-memory.dmp family_darkgate_v6 behavioral4/memory/1624-13-0x0000000000150000-0x00000000001C2000-memory.dmp family_darkgate_v6 behavioral4/memory/1624-14-0x0000000000150000-0x00000000001C2000-memory.dmp family_darkgate_v6 -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 3536 Tax_Document.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Tax_Document.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Tax_Document.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1624 Tax_Document.exe 1624 Tax_Document.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1624 Tax_Document.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3536 Tax_Document.exe 3536 Tax_Document.exe 3536 Tax_Document.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3536 wrote to memory of 1624 3536 Tax_Document.exe 94 PID 3536 wrote to memory of 1624 3536 Tax_Document.exe 94 PID 3536 wrote to memory of 1624 3536 Tax_Document.exe 94 PID 3536 wrote to memory of 1624 3536 Tax_Document.exe 94 PID 3536 wrote to memory of 1624 3536 Tax_Document.exe 94 PID 3536 wrote to memory of 1624 3536 Tax_Document.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\Tax_Document\Tax_Document.exe"C:\Users\Admin\AppData\Local\Temp\Tax_Document\Tax_Document.exe"1⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3536 -
C:\Users\Admin\AppData\Local\Temp\Tax_Document\Tax_Document.exe"C:\Users\Admin\AppData\Local\Temp\Tax_Document\Tax_Document.exe"2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:1624
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