81f6200687b7e2a44192b974bc449d1e02cb1b740ffcf01e299efa0d52f4d63c

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
14-10-2023 01:05

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General

Target

81f6200687b7e2a44192b974bc449d1e02cb1b740ffcf01e299efa0d52f4d63c.exe
Size

25KB
MD5

5115ffcb7e417a54280cf874605c8b2e
SHA1

5cd4640a58e1cc131d4b95f5a6956fdd3f8e5aed
SHA256

81f6200687b7e2a44192b974bc449d1e02cb1b740ffcf01e299efa0d52f4d63c
SHA512

de4934ea2c282186178c4385e37ed3476ae4bf4cc5e7fc84432016c82fdf974b0ecb7ac0560d48f5ba19f99438681d533ba626b113e732d822299c8c42bfdaf7
SSDEEP

384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvq:8Q3LotOPNSQVwVVxGKEvKHrVq

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2292	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"	81f6200687b7e2a44192b974bc449d1e02cb1b740ffcf01e299efa0d52f4d63c.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	81f6200687b7e2a44192b974bc449d1e02cb1b740ffcf01e299efa0d52f4d63c.exe
File created	C:\Windows\spoolsv.exe	spoolsv.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	2588	81f6200687b7e2a44192b974bc449d1e02cb1b740ffcf01e299efa0d52f4d63c.exe
Token: SeDebugPrivilege	2292	spoolsv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 2292	2588	81f6200687b7e2a44192b974bc449d1e02cb1b740ffcf01e299efa0d52f4d63c.exe	28
PID 2588 wrote to memory of 2292	2588	81f6200687b7e2a44192b974bc449d1e02cb1b740ffcf01e299efa0d52f4d63c.exe	28
PID 2588 wrote to memory of 2292	2588	81f6200687b7e2a44192b974bc449d1e02cb1b740ffcf01e299efa0d52f4d63c.exe	28
PID 2588 wrote to memory of 2292	2588	81f6200687b7e2a44192b974bc449d1e02cb1b740ffcf01e299efa0d52f4d63c.exe	28

C:\Users\Admin\AppData\Local\Temp\81f6200687b7e2a44192b974bc449d1e02cb1b740ffcf01e299efa0d52f4d63c.exe
"C:\Users\Admin\AppData\Local\Temp\81f6200687b7e2a44192b974bc449d1e02cb1b740ffcf01e299efa0d52f4d63c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2588
- 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:2292

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\706054706\zmstage.exe.orig

Filesize
3.7MB

MD5
42aecae9aba27b176c0955ec14ebed4c

SHA1
a056ef66b46a1d7b47540485dffb01833c90724a

SHA256
ee48d2ad6efa69444f17941f87071ad5103d2fdc142d67e1bbfb142fb36b50b5

SHA512
a2af770a9c7a2c91a6671862d624e867e63b44a13aeb4eadc4e6ac74704031bcaa0ccf69eb943c72fa326d6e380e9162bf9c610922afb2c89d170dc56b2cd8b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Jq42DU6xdGZMKyA.exe

Filesize
25KB

MD5
dec951c62688d2dc7ceb15f0e0a51a0d

SHA1
5ec4691c6f3f6a7f8dbbbb8515c24050c5638aab

SHA256
b9cce1b936552a687727db416034c28fa3bf8a7a0ae7334e70a33ee1907aa305

SHA512
971b736b35c1a792f2bf62269fc3dec4f56a6e0e02f7437d58e808a4da31ae365f3b52b56abcf7f13ff72985dbefda8e353b6f20fbd43df57a10cf4403327c42

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