blihanstealer | dc239fcffb6049e7a3f0c9ce4d060835236964dd6baa5788191673c3a47e2c2c

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/03/2025, 08:20

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General

Target

dc239fcffb6049e7a3f0c9ce4d060835236964dd6baa5788191673c3a47e2c2cN.exe
Size

65KB
MD5

2abe3e15faeb75eafa6006424d537dd0
SHA1

875740a75eb76c2b4d07b9ab3b7cf4d9ae9526f3
SHA256

dc239fcffb6049e7a3f0c9ce4d060835236964dd6baa5788191673c3a47e2c2c
SHA512

72b902471f3574cd1140a4850abe501fb72270a68952cb740781496b512bec2be2c021c28fd22af25b7cd16978d5d13097d75459e9a6671307440949b6b3be8f
SSDEEP

1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+uhIehXehXhHhS:E1oEFlt6vghzwYu7vih9GueIh9j2IoHv

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
1772	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1772	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"	dc239fcffb6049e7a3f0c9ce4d060835236964dd6baa5788191673c3a47e2c2cN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	dc239fcffb6049e7a3f0c9ce4d060835236964dd6baa5788191673c3a47e2c2cN.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	dc239fcffb6049e7a3f0c9ce4d060835236964dd6baa5788191673c3a47e2c2cN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 1772	2976	dc239fcffb6049e7a3f0c9ce4d060835236964dd6baa5788191673c3a47e2c2cN.exe	30
PID 2976 wrote to memory of 1772	2976	dc239fcffb6049e7a3f0c9ce4d060835236964dd6baa5788191673c3a47e2c2cN.exe	30
PID 2976 wrote to memory of 1772	2976	dc239fcffb6049e7a3f0c9ce4d060835236964dd6baa5788191673c3a47e2c2cN.exe	30
PID 2976 wrote to memory of 1772	2976	dc239fcffb6049e7a3f0c9ce4d060835236964dd6baa5788191673c3a47e2c2cN.exe	30

C:\Users\Admin\AppData\Local\Temp\dc239fcffb6049e7a3f0c9ce4d060835236964dd6baa5788191673c3a47e2c2cN.exe
"C:\Users\Admin\AppData\Local\Temp\dc239fcffb6049e7a3f0c9ce4d060835236964dd6baa5788191673c3a47e2c2cN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1772

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
65KB

MD5
c679d5e1f50b539eb67b6f78eb82ff7c

SHA1
63b025a6211ce6c05eca9b539e02eb1cb32976b9

SHA256
2bc67a627bf43103b72431f5f44f58e9d9805cb932927f34c3c0cc7af3b05f10

SHA512
a8e137b965a07b8d3b4541daf8dfc8825ca889e6b1317f7b74faff44121c20d5e80d3ee98fa9484aec28414322098a9f2bec058fc4cee78e8d91f62f7aa483c4

Download Submit
memory/1772-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2976-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2976-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads