blihanstealer | 6cfe758a4fe98f6e5c44e58fd89212b1b355c25f41fb61d8673f8148f4d4883b

General

Target
2026-05-05_5b8f5f5ce6119ecd37b481c19f0d621e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 300KB
Sample260505-l37l2act21
SHA256 6cfe758a4fe98f6e5c44e58fd89212b1b355c25f41fb61d8673f8148f4d4883b
MD5 5b8f5f5ce6119ecd37b481c19f0d621e
SHA1 a22e35e6cb3da5aaef7c5d36b40815074a9c72be
SHA512 5329b190f32898c27a12ec8d97c42213dbbb70cd051e6308638de111ecede98923bea11a7a71a2afd14cb019ae0c42bf62445498bd3fa2984b6916269419b6e3
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahN3:W9nvWDKW1Lgbdl0TBBvjc/oVM6
TLSH
T19064AE1275C1C1B3C462003145E6DB3D9A7B7C210BF9D2D7BBDC9A6A2E512D0E63A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery blihanstealer 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

Family: BlihanStealer
Blihan is a stealer written in C++.
trojan stealer blihanstealer

Detects executables built or packed with MPress PE compressor 6 IoCs

resource	yara_rule
behavioral2/memory/1924-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0016000000027002-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5772-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1924-6-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1564-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5772-10-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5772	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5772	microsofthelp.exe
1564	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-1-5-21-600123060-2148212387-2211176695-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-05-05_5b8f5f5ce6119ecd37b481c19f0d621e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-05-05_5b8f5f5ce6119ecd37b481c19f0d621e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.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	2026-05-05_5b8f5f5ce6119ecd37b481c19f0d621e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 5772	1924	2026-05-05_5b8f5f5ce6119ecd37b481c19f0d621e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	78

C:\Users\Admin\AppData\Local\Temp\2026-05-05_5b8f5f5ce6119ecd37b481c19f0d621e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-05_5b8f5f5ce6119ecd37b481c19f0d621e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1924
- 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:5772

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1564

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

Modify Registry

1

T1112

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 300KB
SHA256 685806462d301de300ce270bbed13812fc223a569be7a060002bc22b2a386969
MD5 71eefbb202bb128e6bb69d40ade5f764
SHA1 ec86a9066815a226e08daa84ac0516027b373f4a
SHA512 35630b0444170379af8ccb5f27408e3069215565aff36bd8c3ddcb079444f86ddaf5f896ae22e19285f11b8cc4c2c0f86b417e2d70251167da5ded7ed3712a69
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahN7:W9nvWDKW1Lgbdl0TBBvjc/oVM6
TLSH
T14764AE1275C1C1B3C466003145E6DB3D9A7B7C210BF9D2D7BBDC9A6A2E512D0E63A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1564-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/1924-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/1924-6-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/5772-5-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/5772-10-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/5772-9-0x0000000002500000-0x000000000254A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads