blihanstealer | e96c39e2e39407695c120a317ff6a7eb159041989ab1a1e6d689ce1f23860cff

Analysis

max time kernel
119s
max time network
105s
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, 00:48

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General

Target

e96c39e2e39407695c120a317ff6a7eb159041989ab1a1e6d689ce1f23860cff.exe
Size

71KB
MD5

1712579bbf8f1918816a8934f2282c8d
SHA1

0ee95c429e1ea88431cb7d65fe469a5817a9528e
SHA256

e96c39e2e39407695c120a317ff6a7eb159041989ab1a1e6d689ce1f23860cff
SHA512

40a36152483da9d1159a9e3951827ac869361b4b504ea44fa203008339556d1b7457e33b6952ea62ed4e2663ec6c32acce961f825b3d9df9614ed72ec4ed756e
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIj:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVF

Score

10^/10

blihanstealer discovery persistence stealer trojan

Malware Config

Signatures

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

Deletes itself 1 IoCs

pid	Process
3140	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3140	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-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	e96c39e2e39407695c120a317ff6a7eb159041989ab1a1e6d689ce1f23860cff.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	e96c39e2e39407695c120a317ff6a7eb159041989ab1a1e6d689ce1f23860cff.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e96c39e2e39407695c120a317ff6a7eb159041989ab1a1e6d689ce1f23860cff.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 3140	2028	e96c39e2e39407695c120a317ff6a7eb159041989ab1a1e6d689ce1f23860cff.exe	86
PID 2028 wrote to memory of 3140	2028	e96c39e2e39407695c120a317ff6a7eb159041989ab1a1e6d689ce1f23860cff.exe	86
PID 2028 wrote to memory of 3140	2028	e96c39e2e39407695c120a317ff6a7eb159041989ab1a1e6d689ce1f23860cff.exe	86

C:\Users\Admin\AppData\Local\Temp\e96c39e2e39407695c120a317ff6a7eb159041989ab1a1e6d689ce1f23860cff.exe
"C:\Users\Admin\AppData\Local\Temp\e96c39e2e39407695c120a317ff6a7eb159041989ab1a1e6d689ce1f23860cff.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3140

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
71KB

MD5
5a95205fbf657a9979ce536c25257191

SHA1
13c229affd9ca51c824f163536bb3fe569fbc0e9

SHA256
ae7349ee4c88bc11316f56c238872adb73f937c08710e6185e1f82e834098a93

SHA512
00f0e0c4dbca6491cd921c063249aa7c6982e4835b11ad171d97f390b7eeef261b91e83168d1ee63091e189edb0f4e53d5264e97dc921040f50f9d8ea47f150f

Download Submit
memory/2028-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2028-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3140-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads