blihanstealer | c2b88ee27072d18d336b9a61a77431c8fae48d0bb8a6f99c206dcfca6e122d77

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/03/2025, 07:53

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General

Target

c2b88ee27072d18d336b9a61a77431c8fae48d0bb8a6f99c206dcfca6e122d77.exe
Size

72KB
MD5

0a2372e3debdb958cce6a4d45e1d085c
SHA1

0c9d185230a8f31a9e42b89388b1f418b5cc8816
SHA256

c2b88ee27072d18d336b9a61a77431c8fae48d0bb8a6f99c206dcfca6e122d77
SHA512

b0337ed815b2721c212e1dd13ba3e70ecccb15a476cc5bee8c4afd69cb1118b3bac7d1b892b1cdccb254bb6d19c5b5e6b2eb8b682a351505d3146b6fcb3bdabb
SSDEEP

1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhn:E1oEFlt6vghzwYu7vih9GueIh9j2IoHC

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
2248	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2248	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"	c2b88ee27072d18d336b9a61a77431c8fae48d0bb8a6f99c206dcfca6e122d77.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	c2b88ee27072d18d336b9a61a77431c8fae48d0bb8a6f99c206dcfca6e122d77.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	c2b88ee27072d18d336b9a61a77431c8fae48d0bb8a6f99c206dcfca6e122d77.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2248	1916	c2b88ee27072d18d336b9a61a77431c8fae48d0bb8a6f99c206dcfca6e122d77.exe	31
PID 1916 wrote to memory of 2248	1916	c2b88ee27072d18d336b9a61a77431c8fae48d0bb8a6f99c206dcfca6e122d77.exe	31
PID 1916 wrote to memory of 2248	1916	c2b88ee27072d18d336b9a61a77431c8fae48d0bb8a6f99c206dcfca6e122d77.exe	31
PID 1916 wrote to memory of 2248	1916	c2b88ee27072d18d336b9a61a77431c8fae48d0bb8a6f99c206dcfca6e122d77.exe	31

C:\Users\Admin\AppData\Local\Temp\c2b88ee27072d18d336b9a61a77431c8fae48d0bb8a6f99c206dcfca6e122d77.exe
"C:\Users\Admin\AppData\Local\Temp\c2b88ee27072d18d336b9a61a77431c8fae48d0bb8a6f99c206dcfca6e122d77.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2248

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
72KB

MD5
eae3cb5da04c287bcd644a2b348c0ef3

SHA1
e844ab58c3bdfd47c5c5eb397d79afe574a37f3a

SHA256
455faf0a2c03fd899d8accfb9360c624abf69581f9af02f19822823fa4ff0ab4

SHA512
45746f097e5a00575bee94a3898736f294275b43b891f4b3724ca137a67efa4ed62737e8f23b5f4a29929a194dfe6704bdc970c8a1f5c078fd473538d8785434

Download Submit
memory/1916-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1916-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2248-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2248-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads