blihanstealer | 54e73e7360b7bee8ca0fe7b2a5ceb2cd68cd95a7f7baf0b0782b72a832ef2190

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/03/2025, 00:36 UTC

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General

Target

54e73e7360b7bee8ca0fe7b2a5ceb2cd68cd95a7f7baf0b0782b72a832ef2190.exe
Size

65KB
MD5

78b1a9e7ab10ac6b6285c44f7191602e
SHA1

9aa1eac52a8e5e3486987262d622c2d8fd966b56
SHA256

54e73e7360b7bee8ca0fe7b2a5ceb2cd68cd95a7f7baf0b0782b72a832ef2190
SHA512

153b4c1467c38f9f7cc48b3f499d7eebf23695bb491130b1b34b166f24f04764209da5f88a81a9a86b3be93ce334e13f9b99ef0862c1dbc43d626ac70c9c7287
SSDEEP

1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhK:E1oEFlt6vghzwYu7vih9GueIh9j2IoH3

Score

10^/10

blihanstealer discovery persistence stealer trojan

Malware Config

Extracted

Family

blihanstealer

Mutex

pomdfghrt

Attributes

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

BlihanStealer
Blihan is a stealer written in C++.
trojan stealer blihanstealer
Blihanstealer family
blihanstealer

Deletes itself 1 IoCs

pid	Process
1864	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1864	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	54e73e7360b7bee8ca0fe7b2a5ceb2cd68cd95a7f7baf0b0782b72a832ef2190.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	54e73e7360b7bee8ca0fe7b2a5ceb2cd68cd95a7f7baf0b0782b72a832ef2190.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	54e73e7360b7bee8ca0fe7b2a5ceb2cd68cd95a7f7baf0b0782b72a832ef2190.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 1864	2080	54e73e7360b7bee8ca0fe7b2a5ceb2cd68cd95a7f7baf0b0782b72a832ef2190.exe	30
PID 2080 wrote to memory of 1864	2080	54e73e7360b7bee8ca0fe7b2a5ceb2cd68cd95a7f7baf0b0782b72a832ef2190.exe	30
PID 2080 wrote to memory of 1864	2080	54e73e7360b7bee8ca0fe7b2a5ceb2cd68cd95a7f7baf0b0782b72a832ef2190.exe	30
PID 2080 wrote to memory of 1864	2080	54e73e7360b7bee8ca0fe7b2a5ceb2cd68cd95a7f7baf0b0782b72a832ef2190.exe	30

C:\Users\Admin\AppData\Local\Temp\54e73e7360b7bee8ca0fe7b2a5ceb2cd68cd95a7f7baf0b0782b72a832ef2190.exe
"C:\Users\Admin\AppData\Local\Temp\54e73e7360b7bee8ca0fe7b2a5ceb2cd68cd95a7f7baf0b0782b72a832ef2190.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
66KB

MD5
6f30d8542a6cee4060a354b23a766a1b

SHA1
98d543d0568bb6d6b5ddddbcbb0996aa3922e73f

SHA256
3457339cccdb92647a9a28bd4308001a085780c1b767441b3554144cffbb338f

SHA512
fb99b47e967cff9fcda9a55b4002296603edfce873ec10b59f3819dc8d527e400cc05f7b686870c4b00d28a2192a124b91d26dac2ce19990d934fb4ac465ba22

Download Submit
memory/1864-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2080-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2080-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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