3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3

General

Target

3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3.exe
Size

25KB
MD5

4b8261a668e8b609703769edddcb4c97
SHA1

55850fc5db482729a97926a604761b89b2f4f696
SHA256

3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3
SHA512

a138dc8da89284b3a440b883abc56a3700997cb6ff10ca3ca3b57f22ea807a31bf88f7f7d09e1f73d7d5b129523b180a2e915bb4372f8d84fb7b707db944a5fd
SSDEEP

384:fJ1mIUcCgKY2mPNIrJwIhn7ytQtJUMTNOt894boE9K/mKHboI3:Xm55gKGPNSHftJDhEvKHbo6

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1240	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"	3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3.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	3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3.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	3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3.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	2944	3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3.exe
Token: SeDebugPrivilege	1240	spoolsv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 1240	2944	3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3.exe	28
PID 2944 wrote to memory of 1240	2944	3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3.exe	28
PID 2944 wrote to memory of 1240	2944	3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3.exe	28
PID 2944 wrote to memory of 1240	2944	3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3.exe	28

C:\Users\Admin\AppData\Local\Temp\3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3.exe
"C:\Users\Admin\AppData\Local\Temp\3b1d2a8456dfefabf62680e9bebf780608fab73c29b7fbd47643630e75e136a3.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2944
- 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:1240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\98W28NGdcgBfCWr.exe

Filesize
25KB

MD5
b039bcb420ee88b762f2b7f8c00c5aa3

SHA1
41ebd2be61251c7f6685fd530a384a4c6830d656

SHA256
67858a6e07897ce72e12a999c10397bf2beabdce66fc8ad61a837a9e5590363f

SHA512
05ec42cf2ac091154cb09a3de26f44fac624034eaa2c56eb1602d1790e1624562f4f0d11fab37d3733c9177acb1be4ccd9b9cd16327eef06b6c268a441f012c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\98W28NGdcgBfCWr.exe

Filesize
25KB

MD5
b039bcb420ee88b762f2b7f8c00c5aa3

SHA1
41ebd2be61251c7f6685fd530a384a4c6830d656

SHA256
67858a6e07897ce72e12a999c10397bf2beabdce66fc8ad61a837a9e5590363f

SHA512
05ec42cf2ac091154cb09a3de26f44fac624034eaa2c56eb1602d1790e1624562f4f0d11fab37d3733c9177acb1be4ccd9b9cd16327eef06b6c268a441f012c9

Download Submit
C:\Windows\spoolsv.exe

Filesize
25KB

MD5
9ba0942ba2b766b43b832ad20b186324

SHA1
4352dd8ee4fcf525400ba6d8cd31ef296f421790

SHA256
b788302ea044a0843019e224643d5af1935d420ba716e783b28750b9301c0f4c

SHA512
9d485424f423342f6135da72a2e396f6215320cf7849deb3d6a24da0d72b1d3d937a3d6a38023607d8bb760948b5e37c5ff4c743e4246d25c259e5f0ecef6b0b

Download Submit
C:\Windows\spoolsv.exe

Filesize
25KB

MD5
9ba0942ba2b766b43b832ad20b186324

SHA1
4352dd8ee4fcf525400ba6d8cd31ef296f421790

SHA256
b788302ea044a0843019e224643d5af1935d420ba716e783b28750b9301c0f4c

SHA512
9d485424f423342f6135da72a2e396f6215320cf7849deb3d6a24da0d72b1d3d937a3d6a38023607d8bb760948b5e37c5ff4c743e4246d25c259e5f0ecef6b0b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads