636cd57e68d6fcedff87bf195e1d8e4bafa94f80bb16f9288358f0d7790de41c

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
08/10/2023, 21:23

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General

Target

636cd57e68d6fcedff87bf195e1d8e4bafa94f80bb16f9288358f0d7790de41c.exe
Size

26KB
MD5

5361642dc7ff47872beccac34327aba7
SHA1

563fede7361b8cf49f11dac4ac13c7c4e35b4807
SHA256

636cd57e68d6fcedff87bf195e1d8e4bafa94f80bb16f9288358f0d7790de41c
SHA512

06c44c71f6d7603aa182ee64980b3da09366c3288aec6de47f80e3743c379280faed17fc9d8d7c3c0def84106f926ef9f9db0163ffb249d8d9cbfe23e66a3962
SSDEEP

384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvO:8Q3LotOPNSQVwVVxGKEvKHrVO

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2304	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"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\spoolsv = "C:\\Windows\\spoolsv.exe"	636cd57e68d6fcedff87bf195e1d8e4bafa94f80bb16f9288358f0d7790de41c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	636cd57e68d6fcedff87bf195e1d8e4bafa94f80bb16f9288358f0d7790de41c.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	1728	636cd57e68d6fcedff87bf195e1d8e4bafa94f80bb16f9288358f0d7790de41c.exe
Token: SeDebugPrivilege	2304	spoolsv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2304	1728	636cd57e68d6fcedff87bf195e1d8e4bafa94f80bb16f9288358f0d7790de41c.exe	28
PID 1728 wrote to memory of 2304	1728	636cd57e68d6fcedff87bf195e1d8e4bafa94f80bb16f9288358f0d7790de41c.exe	28
PID 1728 wrote to memory of 2304	1728	636cd57e68d6fcedff87bf195e1d8e4bafa94f80bb16f9288358f0d7790de41c.exe	28
PID 1728 wrote to memory of 2304	1728	636cd57e68d6fcedff87bf195e1d8e4bafa94f80bb16f9288358f0d7790de41c.exe	28

C:\Users\Admin\AppData\Local\Temp\636cd57e68d6fcedff87bf195e1d8e4bafa94f80bb16f9288358f0d7790de41c.exe
"C:\Users\Admin\AppData\Local\Temp\636cd57e68d6fcedff87bf195e1d8e4bafa94f80bb16f9288358f0d7790de41c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728
- 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:2304

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\3108930468\zmstage.exe.orig

Filesize
3.7MB

MD5
e7c8cccfe1ffce3112270cfcfbcb9880

SHA1
272fcdd5b5556724ad69edf2ef58dfe8d40b1b65

SHA256
29b610e9cc2dba0cad9aad6c4f1096f6237465c794ca5a6751b9ee8a803cea68

SHA512
08163c2a27b56e6795ad79f8afe3cf45b162cf6b0f91dec0ced2c69ef276a5b8ab524eb5a92ea95eb1ed6985b9448234c767f32f98dd64ad464f179240e64378

Download Submit
C:\Users\Admin\AppData\Local\Temp\zbCoiz4OhIvMCxP.exe

Filesize
26KB

MD5
8c06660ba87d9567d76ea10d9f1156de

SHA1
14f9db312c545f945b964799325c30ad7b64c501

SHA256
a87925aa06184239eb64e80d8a677c087af5c7089e5103f63c3f67e496d262b8

SHA512
a8a3ab2933a3e8011c31959c2de3e6eb55e722eb338d5789c25e7639e3446ff65055deb3ca25df860d963868374616a3014b5a43fcc4a44208c599b536ad6e47

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