stealc | 4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576

General

Target

4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe
Size

1.8MB
MD5

63b2dc9e3700b2288fc1d866c09ed31e
SHA1

643f0878c1ef68c706b835cfc419c6901e172e58
SHA256

4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576
SHA512

dfdc0d3b646833e1774ee3af5bb5650d95d1347803b19f661d84af40283c9e2e9b94508dbc874db0ec9242026f46a848c256bffcafebc0c6ce8831fe9e8ead75
SSDEEP

49152:gRNUuzRAWrnNu2Nmk3DSUoUYF3fGbk68+i2wk:oNUjWnNu2VeUv+UkL2

Score

10^/10

stealc reno defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes

url_path
/c4becf79229cb002.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe

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 1 IoCs

pid	Process
1804	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	1804	WerFault.exe	29

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	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.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	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1804	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe
1804	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 2728	1804	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe	32
PID 1804 wrote to memory of 2728	1804	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe	32
PID 1804 wrote to memory of 2728	1804	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe	32
PID 1804 wrote to memory of 2728	1804	4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe	32

C:\Users\Admin\AppData\Local\Temp\4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe
"C:\Users\Admin\AppData\Local\Temp\4ce402fb39704cc6b6b996c4d5cff8f41232482b90b63346b61972cbebedb576.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 928
  2⤵
  - Program crash
  PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

5

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1804-0-0x0000000000E70000-0x0000000001514000-memory.dmp

Filesize
6.6MB

Download
memory/1804-1-0x0000000077A90000-0x0000000077A92000-memory.dmp

Filesize
8KB

Download
memory/1804-2-0x0000000000E71000-0x0000000000E88000-memory.dmp

Filesize
92KB

Download
memory/1804-3-0x0000000000E70000-0x0000000001514000-memory.dmp

Filesize
6.6MB

Download
memory/1804-4-0x0000000000E70000-0x0000000001514000-memory.dmp

Filesize
6.6MB

Download
memory/1804-5-0x0000000000E70000-0x0000000001514000-memory.dmp

Filesize
6.6MB

Download
memory/1804-6-0x0000000000E70000-0x0000000001514000-memory.dmp

Filesize
6.6MB

Download
memory/1804-7-0x0000000000E70000-0x0000000001514000-memory.dmp

Filesize
6.6MB

Download
memory/1804-8-0x0000000000E70000-0x0000000001514000-memory.dmp

Filesize
6.6MB

Download
memory/1804-9-0x0000000000E70000-0x0000000001514000-memory.dmp

Filesize
6.6MB

Download
memory/1804-10-0x0000000000E70000-0x0000000001514000-memory.dmp

Filesize
6.6MB

Download
memory/1804-11-0x0000000000E70000-0x0000000001514000-memory.dmp

Filesize
6.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads