537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
09/10/2023, 13:23

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General

Target

537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea.exe
Size

25KB
MD5

854a692300b867c8a833e87f60843eff
SHA1

de8cdca747efab14edeec17fc71d3111592f44aa
SHA256

537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea
SHA512

50acb85c7cd317b9cbef9efdd478cd6ad45ba0bdb9588d6cf209d073c239f30ad49f7338e4f8fefe7785aed657d9d20d5e4d946b6e53e78ba158b83af752ab0d
SSDEEP

384:KnTBn5ksyDKVH2PNInugsTHTixQYucSJcO9d+biE9K/mKHT1z0:KBnyZDKMPN+wDYucG9EvKHTC

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3036	spoolsv.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
T1552.001

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\spoolsv.exe"	537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\spoolsv.exe"	spoolsv.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea.exe
File created	C:\Windows\spoolsv.exe	spoolsv.exe

NTFS ADS 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\https:\www.google.com	537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\https:\www.google.com	spoolsv.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea.exe
Token: SeDebugPrivilege	3036	spoolsv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 3036	1632	537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea.exe	28
PID 1632 wrote to memory of 3036	1632	537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea.exe	28
PID 1632 wrote to memory of 3036	1632	537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea.exe	28
PID 1632 wrote to memory of 3036	1632	537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea.exe	28

C:\Users\Admin\AppData\Local\Temp\537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea.exe
"C:\Users\Admin\AppData\Local\Temp\537aebdeec02a576049970e7e09272256325580066afa6aaf78886ea4bf779ea.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\spoolsv.exe
  "C:\Windows\spoolsv.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - NTFS ADS
  - Suspicious use of AdjustPrivilegeToken
  PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\GsUvGGaQcy67TM3.exe

Filesize
25KB

MD5
83f058970a44d4a443ce514f3da55167

SHA1
3c0f42af5f51dbe0b6f877398d22155a7378155f

SHA256
e0380c1241a678b451bb3093a614c729f81e94c3046ae3d84be5b962dd3440bb

SHA512
1c9fbca45769924de26e490f1d27aa57ecf3b9a8d2407716ddca15c5c31650bb0a59b9f47c4363d212825ee8976e4a443139d84d5e2dbc0ac1a19a927ab0b489

Download Submit
C:\Windows\spoolsv.exe

Filesize
25KB

MD5
a1211ced2ed68ff60b804ccd12971b22

SHA1
48a9490672c5dcc2e06ca345bc6116107b60f673

SHA256
25595722313f14e0e90b11aa0efee287f11d36138bd3466443798e55211298f5

SHA512
1d63e09ed2c817528b196fed7d8c2bee7a0fb4ef965d48d70129338997b8eaa4c284a2b6661a71dc3a9f0601cdd2e7ef92e0c7499f89aa8385e15d3022898f7f

Download Submit
C:\Windows\spoolsv.exe

Filesize
25KB

MD5
a1211ced2ed68ff60b804ccd12971b22

SHA1
48a9490672c5dcc2e06ca345bc6116107b60f673

SHA256
25595722313f14e0e90b11aa0efee287f11d36138bd3466443798e55211298f5

SHA512
1d63e09ed2c817528b196fed7d8c2bee7a0fb4ef965d48d70129338997b8eaa4c284a2b6661a71dc3a9f0601cdd2e7ef92e0c7499f89aa8385e15d3022898f7f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads