4cda9294318176fa939660b79446f70f9110ca9f241be92c6b0d8cc7d2321d95

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12-10-2023 13:12

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General

Target

4cda9294318176fa939660b79446f70f9110ca9f241be92c6b0d8cc7d2321d95.exe
Size

25KB
MD5

7fc7b67dca3c23b24a5ff3d24d37ba74
SHA1

0c460be79d140930e5c88dbd7a1c96cc8930596e
SHA256

4cda9294318176fa939660b79446f70f9110ca9f241be92c6b0d8cc7d2321d95
SHA512

27ae9dd792cb4cc6f709d30787a2fbf83a15d601f7b67f5211065d4d0440e12e5ab2c8e7b45212c80943c123bb2c3bf7afdbb0d6a240e4238aacb1939ccc462b
SSDEEP

384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvNV:8Q3LotOPNSQVwVVxGKEvKHrV3

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2592	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"	4cda9294318176fa939660b79446f70f9110ca9f241be92c6b0d8cc7d2321d95.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	4cda9294318176fa939660b79446f70f9110ca9f241be92c6b0d8cc7d2321d95.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	1956	4cda9294318176fa939660b79446f70f9110ca9f241be92c6b0d8cc7d2321d95.exe
Token: SeDebugPrivilege	2592	spoolsv.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2592	1956	4cda9294318176fa939660b79446f70f9110ca9f241be92c6b0d8cc7d2321d95.exe	28
PID 1956 wrote to memory of 2592	1956	4cda9294318176fa939660b79446f70f9110ca9f241be92c6b0d8cc7d2321d95.exe	28
PID 1956 wrote to memory of 2592	1956	4cda9294318176fa939660b79446f70f9110ca9f241be92c6b0d8cc7d2321d95.exe	28
PID 1956 wrote to memory of 2592	1956	4cda9294318176fa939660b79446f70f9110ca9f241be92c6b0d8cc7d2321d95.exe	28

C:\Users\Admin\AppData\Local\Temp\4cda9294318176fa939660b79446f70f9110ca9f241be92c6b0d8cc7d2321d95.exe
"C:\Users\Admin\AppData\Local\Temp\4cda9294318176fa939660b79446f70f9110ca9f241be92c6b0d8cc7d2321d95.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956
- 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:2592

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\406645895\zmstage.exe.orig

Filesize
3.7MB

MD5
4f7a82d424d6f49cb2a44a42bced0a0f

SHA1
68e2f631b674434911dbdcd19daa9e00f3bb19be

SHA256
efed400b1f70fb3e67c41e4f60d3430942c69134fce92e63c27681155aaf0336

SHA512
54328c710fa2b4350f86ec144c2f8929bc143f86ce2288e7ee8d213d29a380172c763fda15bf56b07431d789fff1863750ca5782d2dc32995a96578bcd7e4a96

Download Submit
C:\Users\Admin\AppData\Local\Temp\U7EEZjY0o8AtCsE.exe

Filesize
25KB

MD5
21d0b963ecdbe79dfd710381cdbbfd1b

SHA1
44dc79f152d319cc08f3dec7060215c6ecca84ec

SHA256
4e6fae5d2ef8d0c5b2cab50efb751399ddecb37a113a578a4d592880b41134b1

SHA512
925850d70e141e3f4ee7c1ca86286b68e3bc57668fccd6fe41ac66986020fb9f52fe1a4ffe296001c21bb8ae349f89a14609e0cbc12def20f01673f37b643665

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