stealc | 9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506

General

Target

9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.exe
Size

2.7MB
MD5

31c6811614e6b7a92d67610651f5a98a
SHA1

77ef9f47c7f5898e8a9726425c9052fff2305b19
SHA256

9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506
SHA512

107ab76eebf4c3fa9608786a0545f88e6c4ba083b0869a2e4cd76eb3161530beef228a4c0788ffcc6b77f852442c256908cdf5fc52aa464c2a22ba7bc558338d
SSDEEP

49152:7waI9SBXtQBz02lS3FarZpeB9CrF/SpqO:7waI9SB9Az02lS1QpS9CrF/6qO

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__	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.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	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.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
2372	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2664	2372	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	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2372	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.exe
2372	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2664	2372	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.exe	32
PID 2372 wrote to memory of 2664	2372	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.exe	32
PID 2372 wrote to memory of 2664	2372	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.exe	32
PID 2372 wrote to memory of 2664	2372	9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.exe	32

C:\Users\Admin\AppData\Local\Temp\9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.exe
"C:\Users\Admin\AppData\Local\Temp\9dec0dc2187f00a04677d49d7da3ad45be58142f62e68e3195192465797e9506.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:2372
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 932
  2⤵
  - Program crash
  PID:2664

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/2372-0-0x00000000011C0000-0x00000000016B0000-memory.dmp

Filesize
4.9MB

Download
memory/2372-1-0x0000000077620000-0x0000000077622000-memory.dmp

Filesize
8KB

Download
memory/2372-2-0x00000000011C1000-0x00000000011D8000-memory.dmp

Filesize
92KB

Download
memory/2372-3-0x00000000011C0000-0x00000000016B0000-memory.dmp

Filesize
4.9MB

Download
memory/2372-4-0x00000000011C0000-0x00000000016B0000-memory.dmp

Filesize
4.9MB

Download
memory/2372-5-0x00000000011C0000-0x00000000016B0000-memory.dmp

Filesize
4.9MB

Download
memory/2372-6-0x00000000011C0000-0x00000000016B0000-memory.dmp

Filesize
4.9MB

Download
memory/2372-7-0x00000000011C0000-0x00000000016B0000-memory.dmp

Filesize
4.9MB

Download
memory/2372-8-0x00000000011C0000-0x00000000016B0000-memory.dmp

Filesize
4.9MB

Download
memory/2372-9-0x00000000011C0000-0x00000000016B0000-memory.dmp

Filesize
4.9MB

Download
memory/2372-10-0x00000000011C0000-0x00000000016B0000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads