ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b

Analysis

max time kernel
135s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2022, 22:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe
Size

1.0MB
MD5

61b630f8c0d5d694d92b4ecf9aa4053c
SHA1

8978f4b11014564ea6daa9799b2ff6640e22e77e
SHA256

ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b
SHA512

2acd0a79f03c67f4deeaab487c70d40b65f872eeed42c961eb776c1c9f4f585d44e6ae5c3b22ae676a44a5116f300c1900bd678e041fa65a0ec933ce36bdb7ec
SSDEEP

12288:7XBnuQyPmynSSl46s9bJ3SjLlT5O6r82d+nDdV2m99xgtrSUNzyNYQypND:7XButeynSDxJCw/emNgtrSUNkAD

Score

7^/10

spyware stealer

Malware Config

Signatures

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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{BC21901E-5259-4942-8393-C9729CD68483}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{C4C879FB-F166-4569-818B-0F4C3FCC13D2}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1936 set thread context of 3732	1936	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe	77

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

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

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3732	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe
3732	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3732	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe
3732	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe
3732	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe
3732	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 3732	1936	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe	77
PID 1936 wrote to memory of 3732	1936	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe	77
PID 1936 wrote to memory of 3732	1936	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe	77
PID 1936 wrote to memory of 3732	1936	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe	77
PID 1936 wrote to memory of 3732	1936	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe	77
PID 1936 wrote to memory of 3732	1936	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe	77
PID 1936 wrote to memory of 3732	1936	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe	77
PID 1936 wrote to memory of 3732	1936	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe	77
PID 1936 wrote to memory of 3732	1936	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe	77
PID 1936 wrote to memory of 3732	1936	ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe	77

C:\Users\Admin\AppData\Local\Temp\ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe
"C:\Users\Admin\AppData\Local\Temp\ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe
  "C:\Users\Admin\AppData\Local\Temp\ef5373ac68ecd1c0303a3729d4a08ab20b3abba7a2b05fcdf99866e34e99848b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3732

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:3632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3732-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3732-134-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3732-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3732-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3732-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download