Analysis
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max time kernel
149s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26/02/2025, 21:02
Static task
static1
Behavioral task
behavioral1
Sample
287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7.exe
Resource
win10v2004-20250217-en
General
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Target
287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7.exe
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Size
42KB
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MD5
cbaf0531545da076b6194e7fc4e1000a
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SHA1
cfa06c0c3b3e617b268cd65fcb57b58dabbec6a4
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SHA256
287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7
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SHA512
bd8a3ac4ac586393a680bc9065b1c957b5853b3c9587c0d7600e8f4c0e2f4721414f5d57fa55023fa7f201ceede6e318dfe57387e5526b1b8dd16fc6ff6b030a
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SSDEEP
768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6Iv:e6q10k0EFjed6rqJ+6vghzwYu7vih9GT
Malware Config
Extracted
blihanstealer
pomdfghrt
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user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; CIBA; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)
Signatures
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BlihanStealer
Blihan is a stealer written in C++.
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Blihanstealer family
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Deletes itself 1 IoCs
pid Process 2156 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2156 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2288 wrote to memory of 2156 2288 287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7.exe 30 PID 2288 wrote to memory of 2156 2288 287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7.exe 30 PID 2288 wrote to memory of 2156 2288 287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7.exe 30 PID 2288 wrote to memory of 2156 2288 287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7.exe"C:\Users\Admin\AppData\Local\Temp\287a09036e3e773ae9fe9721a1650be793c34b4804ee4636c05c1795e890a6a7.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:2156
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
42KB
MD5a5e76af347a273353795f307ad6c37b4
SHA1dfea46bb2cac2a5ef2c887d71aa43ecb15b6cb55
SHA2569148b042fe1796ac82eb639e5aee5c730a366084a60f54ca6fcc7e46abfab4f8
SHA5127f5c13656bf41ffe4ee9d98684b7f7c0f2585f0ccbcb37ffd22e452a8c07ad2e5573ec82867c7b18f5c69ca6310db4c0381d00739c73f1edb798bb0b29a21a85