stealc | 3123af93014a5a5c49aa6fd2118f6805041af178c222be27e30b2fd477085c19

Resubmissions

09-08-2024 21:57

240809-1t1vfs1cpm 10

06-08-2024 13:01

06-08-2024 12:52

06-08-2024 12:29

06-08-2024 12:26

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
09-08-2024 21:57

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General

Target

1/08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe
Size

161KB
MD5

855da30648c0d4f4e2497470ece750bf
SHA1

4f45dae1b578ddd47a0d62b59e5fbc9a4f11e58a
SHA256

08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65
SHA512

948b66613c1e494e445a8fb7eff553345385ca0cd468c500397ea7c3bd02bc6163930759b057f98c9245c118205e0166023fee4e13135ef677947619d184d393
SSDEEP

3072:/9gyPX977bb+Vnh9N47rL74qBlslaubyAWEktPZsZ:/yMZPb+Vnh9CLtkauehEkf

Score

10^/10

stealc hello discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

hello

http://85.28.47.70

Attributes

url_path
/570d5d5e8678366c.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
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

Processes:

WerFault.exe

pid pid_target process target process

2868 2552 WerFault.exe 08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe

pid	pid_target	process	target process
2868	2552	WerFault.exe	08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe

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

Processes:

08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.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

Processes:

08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe

pid process

2552 08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe

pid	process
2552	08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe

description	pid	process	target process
PID 2552 wrote to memory of 2868	2552	08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe	WerFault.exe
PID 2552 wrote to memory of 2868	2552	08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe	WerFault.exe
PID 2552 wrote to memory of 2868	2552	08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe	WerFault.exe
PID 2552 wrote to memory of 2868	2552	08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\1\08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe
"C:\Users\Admin\AppData\Local\Temp\1\08b7620610fc30c54e5cc095a54ae6d2949f68b0f224c285283e1612c254ef65.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 608
  2⤵
  - Program crash
  PID:2868

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

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Downloads

memory/2552-0-0x0000000000B60000-0x0000000000D9C000-memory.dmp

Filesize
2.2MB

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