558e3327ff438b57d187561ff840813f5087392a0bcbd26c918645d9dde26f19

General

Target

6b8579744d4f9a2200a1e090181e4d6e.exe
Size

409KB
MD5

6b8579744d4f9a2200a1e090181e4d6e
SHA1

130a983fc16bdcb13b4a119a30e0162304f540f0
SHA256

558e3327ff438b57d187561ff840813f5087392a0bcbd26c918645d9dde26f19
SHA512

aa8078e1ff3a13f317acb9766ccb1ce03f7285f78431988710691cb2c3a590adbd0f97a8ccb88f77c180c8f31585aef118d0a60d6e247dbf02cb38e4bbad8e8e

Score

10^/10

discovery spyware stealer

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1360 created 3856 1360 WerFault.exe 6b8579744d4f9a2200a1e090181e4d6e.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

3116 3856 WerFault.exe 6b8579744d4f9a2200a1e090181e4d6e.exe

description	pid	process	target process
PID 1360 created 3856	1360	WerFault.exe	6b8579744d4f9a2200a1e090181e4d6e.exe

pid	pid_target	process	target process
3116	3856	WerFault.exe	6b8579744d4f9a2200a1e090181e4d6e.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

WerFault.exe

pid process

3116 WerFault.exe
3116 WerFault.exe

pid	process
3116	WerFault.exe
3116	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

6b8579744d4f9a2200a1e090181e4d6e.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	3856	6b8579744d4f9a2200a1e090181e4d6e.exe
Token: SeRestorePrivilege	3116	WerFault.exe
Token: SeBackupPrivilege	3116	WerFault.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WerFault.exe

description	pid	process	target process
PID 1360 wrote to memory of 3856	1360	WerFault.exe	6b8579744d4f9a2200a1e090181e4d6e.exe
PID 1360 wrote to memory of 3856	1360	WerFault.exe	6b8579744d4f9a2200a1e090181e4d6e.exe

C:\Users\Admin\AppData\Local\Temp\6b8579744d4f9a2200a1e090181e4d6e.exe
"C:\Users\Admin\AppData\Local\Temp\6b8579744d4f9a2200a1e090181e4d6e.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 1132
  2⤵
  - Program crash
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3856 -ip 3856
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1360

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/3856-133-0x00000000004D0000-0x00000000004FB000-memory.dmp

Filesize
172KB

Download
memory/3856-134-0x0000000000920000-0x0000000000959000-memory.dmp

Filesize
228KB

Download
memory/3856-135-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/3856-137-0x0000000004DC2000-0x0000000004DC3000-memory.dmp

Filesize
4KB

Download
memory/3856-136-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

Filesize
4KB

Download
memory/3856-138-0x0000000004DC3000-0x0000000004DC4000-memory.dmp

Filesize
4KB

Download
memory/3856-139-0x0000000004DD0000-0x0000000005374000-memory.dmp

Filesize
5.6MB

Download
memory/3856-140-0x0000000005380000-0x0000000005998000-memory.dmp

Filesize
6.1MB

Download
memory/3856-141-0x0000000004C50000-0x0000000004C62000-memory.dmp

Filesize
72KB

Download
memory/3856-142-0x0000000004C70000-0x0000000004D7A000-memory.dmp

Filesize
1.0MB

Download
memory/3856-143-0x00000000059A0000-0x00000000059DC000-memory.dmp

Filesize
240KB

Download
memory/3856-144-0x0000000004C00000-0x0000000004DC6000-memory.dmp

Filesize
1.8MB

Download
memory/3856-145-0x0000000005CA0000-0x0000000005D16000-memory.dmp

Filesize
472KB

Download
memory/3856-146-0x0000000005D20000-0x0000000005DB2000-memory.dmp

Filesize
584KB

Download
memory/3856-147-0x0000000005E20000-0x0000000005E3E000-memory.dmp

Filesize
120KB

Download
memory/3856-148-0x0000000005FC0000-0x0000000006026000-memory.dmp

Filesize
408KB

Download
memory/3856-149-0x00000000066F0000-0x00000000068B2000-memory.dmp

Filesize
1.8MB

Download
memory/3856-150-0x00000000068C0000-0x0000000006DEC000-memory.dmp

Filesize
5.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads