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Analysis
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max time kernel
67s -
max time network
52s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
30/04/2024, 01:02
Behavioral task
behavioral1
Sample
a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral2
Sample
a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe
Resource
win11-20240419-en
General
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Target
a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe
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Size
266KB
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MD5
48d52fa4fd184426f853fbee40eda70d
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SHA1
f3bfa0316d0b2d0816e29e3a763d5e94deca8b69
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SHA256
a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d
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SHA512
6c3916379e85365f79f49b1f0f8bf77179666f968de75aaa4791ca713cd34bee7254ebb45e92469488444d20eb03638a620dd37bc8e8ac1789c56bcc1dec9e97
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SSDEEP
6144:SXzKdNY49u8rVqJxaHWgykV4dPMvc+/cv1fz01net:ha4ABCHzyxd2/m01
Malware Config
Signatures
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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-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe -
Executes dropped EXE 2 IoCs
pid Process 4908 ITS SB App Switch.exe 3392 ITS SB App Switch.exe -
resource yara_rule behavioral1/memory/540-0-0x00000000003F0000-0x0000000000490000-memory.dmp upx behavioral1/memory/540-14-0x00000000003F0000-0x0000000000490000-memory.dmp upx behavioral1/memory/540-15-0x00000000003F0000-0x0000000000490000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 540 a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe 540 a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe 540 a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe 540 a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 540 wrote to memory of 4908 540 a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe 85 PID 540 wrote to memory of 4908 540 a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe 85 PID 540 wrote to memory of 4908 540 a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe 85 PID 540 wrote to memory of 3392 540 a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe 86 PID 540 wrote to memory of 3392 540 a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe 86 PID 540 wrote to memory of 3392 540 a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe"C:\Users\Admin\AppData\Local\Temp\a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"2⤵
- Executes dropped EXE
PID:4908
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C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"2⤵
- Executes dropped EXE
PID:3392
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
87KB
MD5368332fca74f48697d842c5f4698ae1d
SHA10275153a1e62bd0eca0b02168895517ed66aac56
SHA2563a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59
SHA512fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5