stealc | e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb

General

Target

e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.exe
Size

5.0MB
MD5

1d8685567ae19efab18791b3768db057
SHA1

961ec97e73fe3a60c72893a452cfcfd5c9200582
SHA256

e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb
SHA512

d6ff022fba08b20c45c0b6384157426555a89d0d4c55105e1b0d7b13fd57ae475ea89aaa02d6463d89b5514693a02b12313be4944b2f8cd1e97e883de299fb91
SSDEEP

49152:Q4UCK8hp5IrdmSheyJLJTDJK7lgygHPXC2U8E:Qp8hp5IBDe6LJTDsWygvdK

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.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	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.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.

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	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.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
1132	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
884	1132	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	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.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	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1132	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.exe
1132	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 884	1132	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.exe	31
PID 1132 wrote to memory of 884	1132	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.exe	31
PID 1132 wrote to memory of 884	1132	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.exe	31
PID 1132 wrote to memory of 884	1132	e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.exe	31

C:\Users\Admin\AppData\Local\Temp\e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.exe
"C:\Users\Admin\AppData\Local\Temp\e262d8fac48c3b1aa5b5f71de25241d9cbcb00a75491059d89ae1f515d8a31fb.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:1132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1132 -s 432
  2⤵
  - Program crash
  PID:884

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/1132-3-0x0000000001120000-0x0000000001618000-memory.dmp

Filesize
5.0MB

Download
memory/1132-2-0x0000000001121000-0x000000000136A000-memory.dmp

Filesize
2.3MB

Download
memory/1132-1-0x00000000777D0000-0x00000000777D2000-memory.dmp

Filesize
8KB

Download
memory/1132-0-0x0000000001120000-0x0000000001618000-memory.dmp

Filesize
5.0MB

Download
memory/1132-4-0x0000000001120000-0x0000000001618000-memory.dmp

Filesize
5.0MB

Download
memory/1132-6-0x0000000001121000-0x000000000136A000-memory.dmp

Filesize
2.3MB

Download
memory/1132-5-0x0000000001120000-0x0000000001618000-memory.dmp

Filesize
5.0MB

Download
memory/1132-7-0x0000000001120000-0x0000000001618000-memory.dmp

Filesize
5.0MB

Download
memory/1132-8-0x0000000001120000-0x0000000001618000-memory.dmp

Filesize
5.0MB

Download
memory/1132-9-0x0000000001120000-0x0000000001618000-memory.dmp

Filesize
5.0MB

Download
memory/1132-10-0x0000000001120000-0x0000000001618000-memory.dmp

Filesize
5.0MB

Download
memory/1132-11-0x0000000001120000-0x0000000001618000-memory.dmp

Filesize
5.0MB

Download
memory/1132-12-0x0000000001120000-0x0000000001618000-memory.dmp

Filesize
5.0MB

Download
memory/1132-13-0x0000000001121000-0x000000000136A000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads