stealc | 99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31

Analysis

max time kernel
133s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2024 04:03

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General

Target

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
Size

2.3MB
MD5

ebe33b40ce854edd8e39259a1b980a65
SHA1

db07d27d6ee753c4b0f60ee50c0e052a12095ca3
SHA256

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31
SHA512

62948eb0ae2c92118d6f121fee737926e31a2301ad5cc7a2a1442975113b5edae2310f98b08937cc9d9f790e9ef7af162bacdcb65996d1b090c99bbb3a18bb00
SSDEEP

49152:vj2rggBXww93BEYE5aPdlWqwjvBrIV5O3/Nz872I:vj4gCyx5aaqwb54561872

Score

10^/10

stealc jony discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

jony

http://85.28.47.4

Attributes

url_path
/920475a59bac849d.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
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 NtSetInformationThreadHideFromDebugger 15 IoCs

Processes:

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe

pid	process
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2676 1148 WerFault.exe 99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe

pid	pid_target	process	target process
2676	1148	WerFault.exe	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.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

Processes:

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe

pid process

1148 99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
1148 99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe

pid process

1148 99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe

C:\Users\Admin\AppData\Local\Temp\99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe
"C:\Users\Admin\AppData\Local\Temp\99e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 880
2⤵
- Program crash
PID:2676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1148 -ip 1148
1⤵
PID:4844

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1148-0-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-1-0x000000007F4E0000-0x000000007F8B1000-memory.dmp

Filesize
3.8MB

Download
memory/1148-2-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-3-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-4-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-5-0x000000007F4E0000-0x000000007F8B1000-memory.dmp

Filesize
3.8MB

Download
memory/1148-6-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-7-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-8-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-9-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-10-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-11-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-12-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-13-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-14-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-15-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-16-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download
memory/1148-17-0x00000000008F0000-0x00000000014C3000-memory.dmp

Filesize
11.8MB

Download