stealc | 9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd

General

Target

9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.exe
Size

2.8MB
MD5

8ac493709bef2d5d54806dc396b5eb86
SHA1

05c3f2642e32d8b5e914461d5a34631c556cd54f
SHA256

9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd
SHA512

a2d6329b03584a3d2e27760ebe64ba034dbc5da8395ea4fc9d0250381e8b5362439104235b9e12ce07456a35de3ee528182f2c6619d8cf98dc03c76844224b79
SSDEEP

49152:Mai4BWOITj4/+1TpYBkw20OZUpxjBwkG0O5R+f:44BDI++1TpYTvlwkbcR+

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__	9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.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	9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.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
2252	9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
244	2252	WerFault.exe	82

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	9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.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	9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2252	9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.exe
2252	9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.exe
2252	9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.exe
2252	9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.exe

C:\Users\Admin\AppData\Local\Temp\9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.exe
"C:\Users\Admin\AppData\Local\Temp\9dd239d9aaaf8124c9a1de4d4eaadd43742e90e7664da7251bf2ad6ab2b0f2fd.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
PID:2252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 1484
  2⤵
  - Program crash
  PID:244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2252 -ip 2252
1⤵
PID:3304

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/2252-0-0x0000000000C30000-0x0000000001127000-memory.dmp

Filesize
5.0MB

Download
memory/2252-1-0x0000000077654000-0x0000000077656000-memory.dmp

Filesize
8KB

Download
memory/2252-2-0x0000000000C31000-0x0000000000C48000-memory.dmp

Filesize
92KB

Download
memory/2252-3-0x0000000000C30000-0x0000000001127000-memory.dmp

Filesize
5.0MB

Download
memory/2252-4-0x0000000000C30000-0x0000000001127000-memory.dmp

Filesize
5.0MB

Download
memory/2252-5-0x0000000000C30000-0x0000000001127000-memory.dmp

Filesize
5.0MB

Download
memory/2252-6-0x0000000000C30000-0x0000000001127000-memory.dmp

Filesize
5.0MB

Download
memory/2252-7-0x0000000000C30000-0x0000000001127000-memory.dmp

Filesize
5.0MB

Download
memory/2252-8-0x0000000000C30000-0x0000000001127000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads