blihanstealer | 5ad1fc50c1462e1daaf50cf97a565c89cf4a2f1c0fc3a103775a86f098ec7322

General

Target
2026-09-30_950785a80d38fa87d657d08f950ec7da_elex_qilin_rhadamanthys_wannacry.exe
Size 382KB
Sample260930-lfn66sweja
SHA256 5ad1fc50c1462e1daaf50cf97a565c89cf4a2f1c0fc3a103775a86f098ec7322
MD5 950785a80d38fa87d657d08f950ec7da
SHA1 7a03e2df2385c438c4fa6408796567efcd74dd97
SHA512 99d4c939085ecf44f53ed6d6ed6e3d753d986b5c27a824ad68a1ab64cb731f230bdd37b8238294b4c309d1e2e25396f09f5214db98341736cc27d1e377f09f36
SSDEEP 6144:Y9nXgeM7iNEkgiOb31kiEC3J+d9nutEGOlJ:Ytge3jgR1qC3YdQt
TLSH
T1C8847C12AE94C4F3E85300B20694A77D9A77FC34199DDA43D3D9DE7928E0600CA9D3AF
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery downloader blihanstealer snojan stormser persistence stealer trojan worm

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

Family: BlihanStealer
Blihan is a stealer written in C++.
trojan stealer blihanstealer
Family: Snojan
Snojan is a downloader used to drop and execute other malware.
downloader snojan
Family: Stormser, StormDDoS, StormAttack, Stormer
Stormser aka StormDDoS, StormAttack, and Stormer is a Windows worm written in C++.
worm stormser

Detects Stormser aka Storm DDoS and StormAttack 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000001b6ed-4.dat	family_stormser

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/5080-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000600000001b6ed-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5080-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5648-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5268-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
5268	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5268	microsofthelp.exe
5648	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-1-5-21-650287814-2715975232-1279715623-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-09-30_950785a80d38fa87d657d08f950ec7da_elex_qilin_rhadamanthys_wannacry.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-09-30_950785a80d38fa87d657d08f950ec7da_elex_qilin_rhadamanthys_wannacry.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	2026-09-30_950785a80d38fa87d657d08f950ec7da_elex_qilin_rhadamanthys_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 5268	5080	2026-09-30_950785a80d38fa87d657d08f950ec7da_elex_qilin_rhadamanthys_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-30_950785a80d38fa87d657d08f950ec7da_elex_qilin_rhadamanthys_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-30_950785a80d38fa87d657d08f950ec7da_elex_qilin_rhadamanthys_wannacry.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5080
- 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:5268

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5648

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 382KB
SHA256 8144962d101934c848c9727517cb7b528a0089a09318bf8eb4903e564efe4ea2
MD5 9cd7311b268dbb0f8762e107063b0aeb
SHA1 bbcad495bef97d81e057c431439518b94f81bef4
SHA512 f1740566e9668af4c15d1137ccbfd6e20abbbfa4b2cbc02302442f585d9d6981e787324239006755e9c02234b33ffc591a54c475925421bcae169ccb37737c6d
SSDEEP 6144:Y9nXgeM7iNEkgiOb31kiEC3J+d9nutEGOlJ:Ytge3jgR1qC3YdQt
TLSH
T1E0847C12AE94C4F3E85300B20694A77D9A77FC34199DDA47D3D9DE7928E0600CA9D3AF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/5080-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/5080-5-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/5268-9-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/5648-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads