blihanstealer | e6207c7e7f27ebe3e08bd40bdcac92d18e6a2e764770b3f7e4f8b143bc490615

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, 04:58

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General

Target

e6207c7e7f27ebe3e08bd40bdcac92d18e6a2e764770b3f7e4f8b143bc490615N.exe
Size

70KB
MD5

425ee094f78186ee5b9778b89433bb00
SHA1

5be97e5d19b93cd2164cb5f3020cdefa3a2b3397
SHA256

e6207c7e7f27ebe3e08bd40bdcac92d18e6a2e764770b3f7e4f8b143bc490615
SHA512

77062ef1a7652f026f1e19988a536fdd0b37941a3eef91b2cce33c03ef13c1b5682bf41b8a60aac12845374667cad8165ccb8e5681e0c0db549572f215e85248
SSDEEP

1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhJ:E1oEFlt6vghzwYu7vih9GueIh9j2IoHM

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
2688	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2688	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"	e6207c7e7f27ebe3e08bd40bdcac92d18e6a2e764770b3f7e4f8b143bc490615N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	e6207c7e7f27ebe3e08bd40bdcac92d18e6a2e764770b3f7e4f8b143bc490615N.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	e6207c7e7f27ebe3e08bd40bdcac92d18e6a2e764770b3f7e4f8b143bc490615N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2688	2236	e6207c7e7f27ebe3e08bd40bdcac92d18e6a2e764770b3f7e4f8b143bc490615N.exe	30
PID 2236 wrote to memory of 2688	2236	e6207c7e7f27ebe3e08bd40bdcac92d18e6a2e764770b3f7e4f8b143bc490615N.exe	30
PID 2236 wrote to memory of 2688	2236	e6207c7e7f27ebe3e08bd40bdcac92d18e6a2e764770b3f7e4f8b143bc490615N.exe	30
PID 2236 wrote to memory of 2688	2236	e6207c7e7f27ebe3e08bd40bdcac92d18e6a2e764770b3f7e4f8b143bc490615N.exe	30

C:\Users\Admin\AppData\Local\Temp\e6207c7e7f27ebe3e08bd40bdcac92d18e6a2e764770b3f7e4f8b143bc490615N.exe
"C:\Users\Admin\AppData\Local\Temp\e6207c7e7f27ebe3e08bd40bdcac92d18e6a2e764770b3f7e4f8b143bc490615N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2688

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
74da73131bd1e63d7a354e1a576c7d62

SHA1
832169c60be8713a524b5ec95747c3c8eb10c0b1

SHA256
96cea40634c4cbc43127c8a34c82ccb68ba73fa7119b7850d7afcdd78b530724

SHA512
d9606dc9c99d59182158f2740bb57a2023fdef32fcb99931988bbb97616f57a61ecc404296202ddd734294fbd5a000fe506762f129a016f7a2555397aa5dbbc5

Download Submit
memory/2236-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2236-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2236-6-0x0000000000220000-0x000000000022E000-memory.dmp

Filesize
56KB

Download
memory/2688-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads