stealc | 74a6fa03981a6b2d72a3806802d27c2524fdff0b8f15d735346a7f380db5fc69

Analysis

max time kernel
148s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/09/2026, 10:32

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General

Target
74a6fa03981a6b2d72a3806802d27c2524fdff0b8f15d735346a7f380db5fc69.exe
Size 1.3MB
Sample260910-mk32kaar9z
SHA256 74a6fa03981a6b2d72a3806802d27c2524fdff0b8f15d735346a7f380db5fc69
MD5 5d68834f005bf67a46fdf1a7de4bbdce
SHA1 42adc27dd55edd780d3f7131db8ea34f9dd1c395
SHA512 bff280d93e0debe66310dcf4aad4bf7a85a056cf4faec2f8964bc1654b57ba24248b1bab53a5c0ff263e40e85d515c4f3cba097412341f1bf4698544cb57ebbc
SSDEEP 24576:Pooan5xrl9YoyhA+U1Ih6a+ruOU3X+rwOnF6wb:PRan5dleo0AjICa+JYwb
TLSH
T10E556C5267836D83D81F7B7928FBB19A45B26662E3181253C133773A3EB013E35C6798
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery stealc stealer

Malware Config

Extracted

Family

stealc

https://cloud-flare-authenticator.click

rc4.plain

Signatures

Family: Stealc
Stealc is an infostealer written in C++.
stealer stealc

Detects Stealc stealer Version 3 1 IoCs

resource	yara_rule
behavioral2/files/0x000e00000001c4be-2.dat	family_stealc_v3

Executes dropped EXE 1 IoCs

pid	Process
4596	RtlEx64.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	RtlEx64.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 4596	4900	74a6fa03981a6b2d72a3806802d27c2524fdff0b8f15d735346a7f380db5fc69.exe	88

C:\Users\Admin\AppData\Local\Temp\74a6fa03981a6b2d72a3806802d27c2524fdff0b8f15d735346a7f380db5fc69.exe
"C:\Users\Admin\AppData\Local\Temp\74a6fa03981a6b2d72a3806802d27c2524fdff0b8f15d735346a7f380db5fc69.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4900
- C:\Users\Admin\AppData\Local\Realtek\RtlEx64.exe
  "C:\Users\Admin\AppData\Local\Realtek\RtlEx64.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4596

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

RtlEx64.exe

Path C:\Users\Admin\AppData\Local\Realtek\RtlEx64.exe
Size 632KB
SHA256 257872d77d13a9ce22501a9500cbc94f2072b83d6f9324d8d4b633e93533f9da
MD5 385459deadee82a3a87f7fa8159aaa80
SHA1 c6d24e1215291b113b8b8c642c04cae2d9b3c95e
SHA512 4a769a971beecf74a959325083f827c050c3c1cb69a990337cc9afe4022b37d0cc843a6ac03eed4b3ccf264d1c4d02568b7cf34ee166e5404bfb84deac6fb711
SSDEEP 12288:VEfdCzg427+2sC3z0o0ARU0Gem4zM6XddoyxBlDetAqxSv+keH:uVQglq8310ARU0Xm4PdoybGkC
TLSH
T167D4C012F5A0907AF17246358969EB519B7D7C700B2097CF67C005EA6E702D0AF37BAB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4900-3-0x00007FF7BEF40000-0x00007FF7BEF4E000-memory.dmp

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