37c156e5943f4e8fd1d92f4b11f465aa8ac52a18523b9284798e6604bf147cfc

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13-10-2023 22:28

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General

Target

37c156e5943f4e8fd1d92f4b11f465aa8ac52a18523b9284798e6604bf147cfc.exe
Size

25KB
MD5

53a93ac7b005122b8c694ddfcc0559c5
SHA1

e4e36ccb51ee21f03976f44a2ea51eb52adf0dc0
SHA256

37c156e5943f4e8fd1d92f4b11f465aa8ac52a18523b9284798e6604bf147cfc
SHA512

58b17d3463ddb669bb2d6d09157c9a19e1718be7dbebbd7848052abd2665e0fb47c97db3d6f843632143a74c1ad1930e47da023b7b14570b274751f6e442e1cb
SSDEEP

384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvMnr:8Q3LotOPNSQVwVVxGKEvKHrVa

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5072	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\spoolsv = "C:\\Windows\\spoolsv.exe"	37c156e5943f4e8fd1d92f4b11f465aa8ac52a18523b9284798e6604bf147cfc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\spoolsv = "C:\\Windows\\spoolsv.exe"	spoolsv.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	spoolsv.exe
File created	C:\Windows\spoolsv.exe	37c156e5943f4e8fd1d92f4b11f465aa8ac52a18523b9284798e6604bf147cfc.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\https:\onsapay.com\loader	spoolsv.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4376	37c156e5943f4e8fd1d92f4b11f465aa8ac52a18523b9284798e6604bf147cfc.exe
Token: SeDebugPrivilege	5072	spoolsv.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 5072	4376	37c156e5943f4e8fd1d92f4b11f465aa8ac52a18523b9284798e6604bf147cfc.exe	86
PID 4376 wrote to memory of 5072	4376	37c156e5943f4e8fd1d92f4b11f465aa8ac52a18523b9284798e6604bf147cfc.exe	86
PID 4376 wrote to memory of 5072	4376	37c156e5943f4e8fd1d92f4b11f465aa8ac52a18523b9284798e6604bf147cfc.exe	86

C:\Users\Admin\AppData\Local\Temp\37c156e5943f4e8fd1d92f4b11f465aa8ac52a18523b9284798e6604bf147cfc.exe
"C:\Users\Admin\AppData\Local\Temp\37c156e5943f4e8fd1d92f4b11f465aa8ac52a18523b9284798e6604bf147cfc.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4376
- 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:5072

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\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
347KB

MD5
56cadec8c76a12eafa14591acfda3aa6

SHA1
033856cc368f6c3029f2b37f2c6543795a42f824

SHA256
8603150099205f620e0d628d3a96426bc4637252796b405166307a4813c99b7e

SHA512
217083b78da8cc1e39e76293e7c992730bd812a7587682fe58d51a601b1811c04830f0d3f56c16d222869196ed5dbbbd185e8722518227c10c0c0771d861cd2b

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C:\Users\Admin\AppData\Local\Temp\n7sX2N40jf3cLqq.exe

Filesize
25KB

MD5
1da1ba75c8ac3a7f6b451289f28c0777

SHA1
2c7713859b041f75e02233ce995ab1a27818f2c5

SHA256
c0e99c6f24428ed48c53a3599b9412b8191cc0f37c25f9754c7c2c226702b000

SHA512
33a10e2f603f9e4b4eb6fc33b9825a84763a90c383efe2a1670ac03722f498cf9e9a29370d3bc209c9c33d1d5050f2d690654e6f3f2646cc815ffd3232640118

Download Submit
C:\Windows\spoolsv.exe

Filesize
25KB

MD5
82071fd2379c64429acf376487fcddff

SHA1
2da42c7eaa62ecee65757b441c939f12b52228fb

SHA256
272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8

SHA512
194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb

Download Submit
C:\Windows\spoolsv.exe

Filesize
25KB

MD5
82071fd2379c64429acf376487fcddff

SHA1
2da42c7eaa62ecee65757b441c939f12b52228fb

SHA256
272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8

SHA512
194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads