stealc | 9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc

General

Target

9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.exe
Size

1.7MB
MD5

63d56ec7806909b5e466a9c679587392
SHA1

9ffd484caff8b521e312bc7c6c32b20fc8202f16
SHA256

9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc
SHA512

819b0eb2ace1a81f14d8627b6bb07694d4733385499ea7573ba9814a3307be0097abc2f66c4cd1e2300a64e300b181e3823c89a7e79bcaead9fe15d012fd7984
SSDEEP

49152:qI7AtoN7BgdPAzrkLxmhnYk7G9laS1rnRw:qYeoxido32x4Ys8lF1r

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__	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.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\VideoBiosVersion	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.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
1660	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1704	1660	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	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.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	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1660	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.exe
1660	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 1704	1660	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.exe	31
PID 1660 wrote to memory of 1704	1660	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.exe	31
PID 1660 wrote to memory of 1704	1660	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.exe	31
PID 1660 wrote to memory of 1704	1660	9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.exe	31

C:\Users\Admin\AppData\Local\Temp\9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.exe
"C:\Users\Admin\AppData\Local\Temp\9814685cd4825b5d33a3506b50360e72144649073d3021439831ca8fa756eefc.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:1660
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 432
  2⤵
  - Program crash
  PID:1704

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/1660-0-0x0000000000810000-0x0000000000E97000-memory.dmp

Filesize
6.5MB

Download
memory/1660-1-0x0000000077AB0000-0x0000000077AB2000-memory.dmp

Filesize
8KB

Download
memory/1660-2-0x0000000000811000-0x0000000000828000-memory.dmp

Filesize
92KB

Download
memory/1660-3-0x0000000000810000-0x0000000000E97000-memory.dmp

Filesize
6.5MB

Download
memory/1660-4-0x0000000000810000-0x0000000000E97000-memory.dmp

Filesize
6.5MB

Download
memory/1660-5-0x0000000000810000-0x0000000000E97000-memory.dmp

Filesize
6.5MB

Download
memory/1660-6-0x0000000000810000-0x0000000000E97000-memory.dmp

Filesize
6.5MB

Download
memory/1660-7-0x0000000000810000-0x0000000000E97000-memory.dmp

Filesize
6.5MB

Download
memory/1660-8-0x0000000000810000-0x0000000000E97000-memory.dmp

Filesize
6.5MB

Download
memory/1660-9-0x0000000000810000-0x0000000000E97000-memory.dmp

Filesize
6.5MB

Download
memory/1660-10-0x0000000000810000-0x0000000000E97000-memory.dmp

Filesize
6.5MB

Download
memory/1660-11-0x0000000000810000-0x0000000000E97000-memory.dmp

Filesize
6.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads