nwh_stealer | d5b932857da5f0975c557882c3f5f119210c2591810d8faf152d397298794d64

General

Target
Loader.exe
Size 6.8MB
Sample261110-ej4byagt5w
SHA256 d5b932857da5f0975c557882c3f5f119210c2591810d8faf152d397298794d64
MD5 8152fb6c79279b731a296b83b96dc8cb
SHA1 cb290b5790e878f8584a4761c98362a9793e943b
SHA512 b9e74fb85197691c4a2b9483e879a16311147f0d0405b1910e81f5e9c79b26278f706a1bb009aaf7aa9b8fec33216933058a4ce1a7e01bf2ed60581997c1037a
SSDEEP 24576:oBmjWxWFFQ9BtlIB8s8obhbRn01oxBOr4GnslZrgPWFHPxJ2lcqX3N6kQhbTkPxz:oBmjWxuFQ9BD
TLSH
T1D876BFB03644B8FAF91E82B7D6556DBE13723353574A98CE5070F2C117932A7FE2A848
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

credential_access discovery nwh_stealer spyware stealer

Malware Config

Extracted

Family

nwh_stealer

C2

https://seall-vernous.com:443

Attributes

ddr
https://t.me/gerj_threuh

Signatures

Family: NWHStealer
NWHStealer is a Windows infostealer written in Rust.
stealer nwh_stealer

Detects NWHStealer 2 IoCs

resource	yara_rule
behavioral4/memory/4508-0-0x0000023693FF0000-0x000002369427D000-memory.dmp	family_nwhstealer
behavioral4/files/0x001a00000002b442-10.dat	family_nwhstealer

Executes dropped EXE 1 IoCs

pid	Process
3076	7c3fe891.exe

Loads dropped DLL 1 IoCs

pid	Process
3076	7c3fe891.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	7c3fe891.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	7c3fe891.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	7c3fe891.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	7c3fe891.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4728	chrome.exe
4728	chrome.exe
4860	msedge.exe
4860	msedge.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 3076	4508	Loader.exe	83
PID 3076 wrote to memory of 4728	3076	7c3fe891.exe	84
PID 3076 wrote to memory of 4728	3076	7c3fe891.exe	84
PID 3076 wrote to memory of 4860	3076	7c3fe891.exe	85
PID 3076 wrote to memory of 4860	3076	7c3fe891.exe	85
PID 3076 wrote to memory of 4052	3076	7c3fe891.exe	86
PID 3076 wrote to memory of 4052	3076	7c3fe891.exe	86

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Users\Admin\AppData\Local\Temp\5cfbd8f3\fd25\7c3fe891.exe
  "C:\Users\Admin\AppData\Local\Temp\5cfbd8f3\fd25\7c3fe891.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Reads the TCP/IP host and domain name from the registry
  - Checks processor information in registry
  - Suspicious use of WriteProcessMemory
  PID:3076
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --headless --incognito
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4728
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --headless --disable-gpu
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4860
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" --headless --disable-gpu
    3⤵
    PID:4052

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:396

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:2464

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

7c3fe891.exe

Path C:\Users\Admin\AppData\Local\Temp\5cfbd8f3\fd25\7c3fe891.exe
Size 2.5MB
SHA256 6fe757e42638b12dcb3c18268bddeda8e7fb37bd95121e9364bf0d9a0bc76d35
MD5 3d022c5a8d7f337b13beb403caf454b9
SHA1 e740a5212244ab760b522427e05a46ccea50162c
SHA512 3d9981e51746ad54078c7ae380ac9d165ce58f9a560b381241e110b8eb21ee39287a9bc0f9a6662c5323d6a4de317d6bdbcb586bb3a373db2496d29ea254d7d2
SSDEEP 49152:QavY1Sn5eVNoji3YIi1g1VwkCGU3vRctwPe0TP4ztxpsZUyMWsdG1:DY1abJIig1VwkNU/mIzb4bpc
TLSH
T14EC59E0AF1538AD5CC6BC4BC838F7131EA357D69CA282E9F17D14B613E45B902725BCA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

VCRUNTIME140.dll

Path C:\Users\Admin\AppData\Local\Temp\5cfbd8f3\fd25\VCRUNTIME140.dll
Size 120KB
SHA256 51cfa6010c09f7c9f3a77769f870e60a3058864b0a8db8cb987b28e9a375cf64
MD5 9b55f2814624b60bd3ab4678ec68a314
SHA1 96a08928a12f8f65e7be36edb8bcd6780db460e6
SHA512 f5f79ab0e0692879484102876cdb83659a8ad17ce6fe7830729c1c5a02a9075ab26f6e46d8fcc2c44a52b70eefc0d1cd804bb0d8c02b20966e6223fdd679ec39
SSDEEP 1536:a9pCUgtBAVcxStMXcfG8VwfmpcGLOI5Dv+vecbeQ6N7l9gEeza/yLzt:qyA+3EOfmpcGSWOecbeQ6Nx9Mqsp
TLSH
T1C7C37B4272B802FBC16BD274C292EE67EBB6B50687605BDF07AA86650F537D06D3C341
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4508-0-0x0000023693FF0000-0x000002369427D000-memory.dmp

Download

memory/4508-13-0x00007FF7FE1E0000-0x00007FF7FE25E000-memory.dmp