blihanstealer | e39ce64dd6383d79bd21f6f3e82bc732abb3d69a560059947cc44fb46035e1b5

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, 04:56

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General

Target

e39ce64dd6383d79bd21f6f3e82bc732abb3d69a560059947cc44fb46035e1b5.exe
Size

43KB
MD5

cb984a9c62df922ba4ff574b18633871
SHA1

ed30bbfc62137c3c299dab19e8296dca516b9d7e
SHA256

e39ce64dd6383d79bd21f6f3e82bc732abb3d69a560059947cc44fb46035e1b5
SHA512

08a25cd6e4e92a3d9199cf2e62656de0b5140e14a67a5a145f60f4ad67d1d3f921a2e99edd2aedef1907ef204cdb5a711a6ad994dadf91947e1b8f7ab30dfc22
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6If:e6q10k0EFjed6rqJ+6vghzwYu7vih9GT

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
2400	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2400	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	e39ce64dd6383d79bd21f6f3e82bc732abb3d69a560059947cc44fb46035e1b5.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	e39ce64dd6383d79bd21f6f3e82bc732abb3d69a560059947cc44fb46035e1b5.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	e39ce64dd6383d79bd21f6f3e82bc732abb3d69a560059947cc44fb46035e1b5.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 2400	800	e39ce64dd6383d79bd21f6f3e82bc732abb3d69a560059947cc44fb46035e1b5.exe	28
PID 800 wrote to memory of 2400	800	e39ce64dd6383d79bd21f6f3e82bc732abb3d69a560059947cc44fb46035e1b5.exe	28
PID 800 wrote to memory of 2400	800	e39ce64dd6383d79bd21f6f3e82bc732abb3d69a560059947cc44fb46035e1b5.exe	28
PID 800 wrote to memory of 2400	800	e39ce64dd6383d79bd21f6f3e82bc732abb3d69a560059947cc44fb46035e1b5.exe	28

C:\Users\Admin\AppData\Local\Temp\e39ce64dd6383d79bd21f6f3e82bc732abb3d69a560059947cc44fb46035e1b5.exe
"C:\Users\Admin\AppData\Local\Temp\e39ce64dd6383d79bd21f6f3e82bc732abb3d69a560059947cc44fb46035e1b5.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:800
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2400

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
43KB

MD5
d17f7d836299ff85327a7fceca90ea58

SHA1
d2ce766635c39c68251f36e31b3cd8c0e40d4836

SHA256
88b192da0f29235fed6b718cf6b9b877d519b243808f5c40ffb346c43058de3b

SHA512
ee9ba194d1faba36ddc80f7b3a8456942432b24c09e0a157b847f517b36921e3d6e7a5d317a585f67c6288165e086601c0e6d01045b7fbde11cab9b2cebd7a06

Download Submit
memory/800-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/800-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2400-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads