Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
27/02/2025, 04:49
Static task
static1
Behavioral task
behavioral1
Sample
c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe
Resource
win10v2004-20250217-en
General
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Target
c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe
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Size
69KB
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MD5
f9cfc6fac38c86c06d19d94ff668c1a7
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SHA1
568c7ea9e093d61785141de0e7f70c415e6142d8
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SHA256
c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d
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SHA512
5b516dbd1be4816e8901d7a97ae40663902be714cfb902e792b06054a8b536459fb07ac5b341e39e135b45dfa5c7650022b9e54f63ec32b1f2c926cb78e4bc31
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SSDEEP
1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhL:E1oEFlt6vghzwYu7vih9GueIh9j2IoHM
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 1684 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1684 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" c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.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 c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2420 wrote to memory of 1684 2420 c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe 30 PID 2420 wrote to memory of 1684 2420 c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe 30 PID 2420 wrote to memory of 1684 2420 c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe 30 PID 2420 wrote to memory of 1684 2420 c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe"C:\Users\Admin\AppData\Local\Temp\c2d2300f333ff4213bfe6377a8c8d254075c7aec9d207be9379de3fc74800d5d.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:1684
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
69KB
MD5bdc5897f3786e9b203b5716b0f5d95d6
SHA16cf7b0bc8812d25091d4d3708ce7c7f2ce11590f
SHA25661acc8b0fdf1ea4a1bb5f30b2167f3dedf41e21a33e8b4ee31ca149403b7e51d
SHA512a037f4eef31b089cb834bc6dfcc83c8b8c3715e33d7c9208abfd6df14d146e822e63c5a7930d2c0a3d06e226c3f2e7fc193e47d5219dac704aaadfd33022d65e