blihanstealer | f5324bea64fd0d995a75d4f966adc8525601e2730259d910150fb1a1fa560f22

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
24/03/2025, 06:03

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General

Target

f5324bea64fd0d995a75d4f966adc8525601e2730259d910150fb1a1fa560f22N.exe
Size

83KB
MD5

dfd474496753081ef3a55a8ace53fa20
SHA1

67128f93bfc3ebcdc180fe9674054444730d9b0f
SHA256

f5324bea64fd0d995a75d4f966adc8525601e2730259d910150fb1a1fa560f22
SHA512

4d93a3615c6a52ed9c8de398e9226f0063484dd0719b364f82603c5860d08d9db23d7ba9c00a4883098f4de274d729c1624306ac917779e45b7a36c340692faf
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbIKv8hIbHZI:NAoglOwvl4ulkP6vghzwYu7vih9GueIp

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
2500	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2500	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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f5324bea64fd0d995a75d4f966adc8525601e2730259d910150fb1a1fa560f22N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f5324bea64fd0d995a75d4f966adc8525601e2730259d910150fb1a1fa560f22N.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	f5324bea64fd0d995a75d4f966adc8525601e2730259d910150fb1a1fa560f22N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2500	2152	f5324bea64fd0d995a75d4f966adc8525601e2730259d910150fb1a1fa560f22N.exe	30
PID 2152 wrote to memory of 2500	2152	f5324bea64fd0d995a75d4f966adc8525601e2730259d910150fb1a1fa560f22N.exe	30
PID 2152 wrote to memory of 2500	2152	f5324bea64fd0d995a75d4f966adc8525601e2730259d910150fb1a1fa560f22N.exe	30
PID 2152 wrote to memory of 2500	2152	f5324bea64fd0d995a75d4f966adc8525601e2730259d910150fb1a1fa560f22N.exe	30

C:\Users\Admin\AppData\Local\Temp\f5324bea64fd0d995a75d4f966adc8525601e2730259d910150fb1a1fa560f22N.exe
"C:\Users\Admin\AppData\Local\Temp\f5324bea64fd0d995a75d4f966adc8525601e2730259d910150fb1a1fa560f22N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2500

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
83KB

MD5
f89d3626a0a87415c6f5c4b8c82451ad

SHA1
35fee56ca84a6e693c9eb91c5ea451c1084d1a1e

SHA256
d40ff2c00b0723d94132c03a54a0145f49d2d3d5dbf82f97220940a43691dcd6

SHA512
c31a54ff11462ba83bd00eee8edc32643086511ebd3fa1921aad2985361f4290ce19d90ea4f622e3c20930d203a8ac965cc797cf4393a1148f8c61b5e62eb9e5

Download Submit
memory/2152-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2152-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2500-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2500-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads