stealc | 6f223a1b7ede367a5746bd7f92491b16760f87840924e81d812ac2a1c8e3b17c

Analysis

max time kernel
116s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 10:45

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General

Target

d2ae38a13e9ac87e4c75441cf69280f0N.exe
Size

9.0MB
MD5

d2ae38a13e9ac87e4c75441cf69280f0
SHA1

b0fa6a65ddee7dba5a571b2b1e0653a9c4d8e1fc
SHA256

6f223a1b7ede367a5746bd7f92491b16760f87840924e81d812ac2a1c8e3b17c
SHA512

0d6f06e2785047c60ac1a7234f9f73c82ca75c94e846618fcab189273b5e957f372d17c926ec177f64fb4c2c2299d313ae54f415bc4f77fe0f7a5714364a7799
SSDEEP

196608:hi8k3/Fy8zBczPwl+lUXzcvLLGR8o+lrePyp8P+fCVsKoGjcxB8qWh7b7LVW9aCK:hPk39ewl+licv/+8rYyyP+BxB8qWh7/a

Score

10^/10

stealc 2634oijxwerrr credential_access discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

2634oijxwerrr

http://45.149.172.56

Attributes

url_path
/8de6d2a30c50e042.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	nSHgLA`Et

Executes dropped EXE 1 IoCs

pid	Process
212	nSHgLA`Et

Loads dropped DLL 2 IoCs

pid	Process
212	nSHgLA`Et
212	nSHgLA`Et

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1856 set thread context of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d2ae38a13e9ac87e4c75441cf69280f0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nSHgLA`Et
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	nSHgLA`Et
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	nSHgLA`Et

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3244	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
212	nSHgLA`Et
212	nSHgLA`Et

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86
PID 1856 wrote to memory of 212	1856	d2ae38a13e9ac87e4c75441cf69280f0N.exe	86

C:\Users\Admin\AppData\Local\Temp\d2ae38a13e9ac87e4c75441cf69280f0N.exe
"C:\Users\Admin\AppData\Local\Temp\d2ae38a13e9ac87e4c75441cf69280f0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Users\Admin\AppData\Local\Temp\nSHgLA`Et
  "C:\Users\Admin\AppData\Local\Temp\nSHgLA`Et"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:212
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\nSHgLA`Et" & del "C:\ProgramData\*.dll"" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2820
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 5
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:3244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Local\Temp\nSHgLA`Et

Filesize
38KB

MD5
3992f464696b0eeff236aef93b1fdbd5

SHA1
8dddabaea6b342efc4f5b244420a0af055ae691e

SHA256
0d1a8457014f2eb2563a91d1509dba38f6c418fedf5f241d8579d15a93e40e14

SHA512
27a63b43dc50faf4d9b06e10daa15e83dfb3f3be1bd3af83ea6990bd8ae6d3a6a7fc2f928822db972aaf1305970f4587d768d68cd7e1124bc8f710c1d3ee19a6

Download Submit
memory/212-2-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/212-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/212-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/212-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/212-9-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/212-81-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download