105cecd049c1be5820d6286611dfc37a8c7e511543b0edddbf74c6b6914b96ac

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-01-2025 05:58

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General

Target

stealc.exe
Size

240KB
MD5

59fc531c4c9545c0d888b47ec924745b
SHA1

9a73838a17aad50b8aa80c1ca63923eb7b61bff1
SHA256

105cecd049c1be5820d6286611dfc37a8c7e511543b0edddbf74c6b6914b96ac
SHA512

8ecb640f1d5d1de31d00e515c5c882d0843f4ce7b8567cf083c0f630eac0860674a17ea70e7175aab19c4aa7f1c41f0f2739dc7bdf54c2c865ba69a30a832beb
SSDEEP

3072:smJdEu+qhhl0lPy1wiKaVEnS/MscMYIDIHBiDp2uUXeU8nWwmdaNRCHeP3KqX+n:mutRv1wE1cMZkgN2ubUHwmdGCot+

Score

6^/10

discovery

Malware Config

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2584	2280	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	stealc.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	stealc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	stealc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2280	stealc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2584	2280	stealc.exe	31
PID 2280 wrote to memory of 2584	2280	stealc.exe	31
PID 2280 wrote to memory of 2584	2280	stealc.exe	31
PID 2280 wrote to memory of 2584	2280	stealc.exe	31

C:\Users\Admin\AppData\Local\Temp\stealc.exe
"C:\Users\Admin\AppData\Local\Temp\stealc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 744
  2⤵
  - Program crash
  PID:2584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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