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Analysis
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max time kernel
140s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
24/03/2025, 02:40
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-24_c126134648ccd1408fb868b240d68695_.exe
Resource
win7-20240903-en
General
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Target
2025-03-24_c126134648ccd1408fb868b240d68695_.exe
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Size
627KB
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MD5
c126134648ccd1408fb868b240d68695
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SHA1
693870838334230ea02d0606d253696567b8a669
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SHA256
d16e0cf61accda34b867910b529794f438a41231f9c2451f44e3dfdd83721ad3
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SHA512
c121a1d0d8940a1e10d7956f2628f28cf13c0d2b332be6b25ac5579ec64eb609e2b1f1dd5be5ee9f03e90a3ea0f9122d2154c16df22255ddf0f5deab23658f66
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SSDEEP
12288:GTTEy2R/8MnxERV8bpUt+AC0/KVFBMuwE:GTcRUVKpticFBM8
Malware Config
Extracted
buer
https://bankcreditsign.com/
Signatures
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Buer family
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resource yara_rule behavioral2/memory/2948-5-0x0000000040000000-0x000000004005D000-memory.dmp buer behavioral2/memory/2948-4-0x0000000000770000-0x00000000007CE000-memory.dmp buer behavioral2/memory/2948-0-0x0000000000820000-0x0000000000880000-memory.dmp buer -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 220 powershell.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\W: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\Y: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\H: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\V: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\Z: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\E: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\K: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\M: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\N: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\O: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\R: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\S: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\T: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\A: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\B: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\G: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\I: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\J: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\L: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\U: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\X: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\P: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe File opened (read-only) \??\Q: 2025-03-24_c126134648ccd1408fb868b240d68695_.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 2025-03-24_c126134648ccd1408fb868b240d68695_.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 220 powershell.exe 220 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 220 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2948 wrote to memory of 220 2948 2025-03-24_c126134648ccd1408fb868b240d68695_.exe 86 PID 2948 wrote to memory of 220 2948 2025-03-24_c126134648ccd1408fb868b240d68695_.exe 86 PID 2948 wrote to memory of 220 2948 2025-03-24_c126134648ccd1408fb868b240d68695_.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-03-24_c126134648ccd1408fb868b240d68695_.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-24_c126134648ccd1408fb868b240d68695_.exe"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -Command "& {Add-MpPreference -ExclusionPath C:\ProgramData\f6adda36d902ce19f526}"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:220
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82