blihanstealer | 24092aa07fb04b5693d440e357e997dd8151bd0c1681afffe5b5b125aa36598b

Analysis

max time kernel
119s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
23/03/2025, 19:11

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General

Target

24092aa07fb04b5693d440e357e997dd8151bd0c1681afffe5b5b125aa36598b.exe
Size

77KB
MD5

253e48dbfc9ee67105f1418809b215de
SHA1

60f1b4a4ebd41fa67748faadafb2919b63c88796
SHA256

24092aa07fb04b5693d440e357e997dd8151bd0c1681afffe5b5b125aa36598b
SHA512

7061a8bb99b7a391c87df698500a265bdbecf0c2bdcd29a4c1465e17595006f0e98e9bea6a35acc92aab16b50578ab0ec09e3f22e43eb2ee329bb5da67d841df
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbRJhhqHihI1:NAoglOwvl4ulkP6vghzwYu7vih9GueID

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
2328	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2328	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-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	24092aa07fb04b5693d440e357e997dd8151bd0c1681afffe5b5b125aa36598b.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	24092aa07fb04b5693d440e357e997dd8151bd0c1681afffe5b5b125aa36598b.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	24092aa07fb04b5693d440e357e997dd8151bd0c1681afffe5b5b125aa36598b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5980 wrote to memory of 2328	5980	24092aa07fb04b5693d440e357e997dd8151bd0c1681afffe5b5b125aa36598b.exe	85
PID 5980 wrote to memory of 2328	5980	24092aa07fb04b5693d440e357e997dd8151bd0c1681afffe5b5b125aa36598b.exe	85
PID 5980 wrote to memory of 2328	5980	24092aa07fb04b5693d440e357e997dd8151bd0c1681afffe5b5b125aa36598b.exe	85

C:\Users\Admin\AppData\Local\Temp\24092aa07fb04b5693d440e357e997dd8151bd0c1681afffe5b5b125aa36598b.exe
"C:\Users\Admin\AppData\Local\Temp\24092aa07fb04b5693d440e357e997dd8151bd0c1681afffe5b5b125aa36598b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5980
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2328

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
78KB

MD5
9edb272d7dc1d7ad6b09f7cf120e9d91

SHA1
5d39249bdda0bb796312e3233aa9fc26af8e7a72

SHA256
c759a7a23993607166d2f621310ae7672ec7b66eb093959da77b9564f9862852

SHA512
3ef151f9b868d9f4de36a907aa7697b66e57d325856138c9a60f758172b38b9b41eee9002674d401ecdd1fa2552fefb45adf56a5d1ae54d53cee54162d26020a

Download Submit
memory/2328-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/5980-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/5980-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads