Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
26/02/2025, 20:57
Static task
static1
Behavioral task
behavioral1
Sample
26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe
Resource
win10v2004-20250217-en
General
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Target
26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe
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Size
56KB
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MD5
0a083f31fc3ed7f8d0772aeb4b84dba5
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SHA1
f12a74a6754f7fbad6b96b1b281928f4a322b4fb
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SHA256
26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae
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SHA512
00f4078f6f5373df4f17abcdc34c03c1ef92d12a55b40021e598047029f46ecce9968deeb040c9f76b87e087432b76bb9535906c5f1aa1af20386a60ae64310d
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SSDEEP
1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbRJhhqHihIho7hl:E1oEFlt6vghzwYu7vih9GueIh9j2IoHN
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 2752 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 2752 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.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 26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2288 wrote to memory of 2752 2288 26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe 28 PID 2288 wrote to memory of 2752 2288 26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe 28 PID 2288 wrote to memory of 2752 2288 26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe 28 PID 2288 wrote to memory of 2752 2288 26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.exe"C:\Users\Admin\AppData\Local\Temp\26a9e26286604b01a798573f56a9d50d693b9db54bd509c7963721ec120ebbae.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:2752
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
57KB
MD59656fb6f2c69910b61e1274db2db6619
SHA1b227cef73dbf2caf5be958d0babedbed36203bb7
SHA2566dd80b80a4b64a7f702c7d8e5a3eb8288a18dc90f9701b97d4041ba0c4d7b23c
SHA512233d3818e4291805890c798f33153d4227ef9a8f6040448eccda60bb3b540a54b533a25330c8cd44b0a7e48f90c14a0ab2d7453d84b00ed4b41aeca3a21e5c99