99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
27-08-2023 20:48

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General

Target

99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363.exe
Size

25KB
MD5

128339ccdffd5f13b5f2b504459cd47e
SHA1

19ade7065e098d044315d69816d5ee90bc55acca
SHA256

99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363
SHA512

073f5d3e1a9cc0d7757e5a8f094bc6a1230d66787a940d219dda231fde1ae64e308b9ecb5395124877668cdca9164f77878f9a1409f2db3d69d2870bf301476a
SSDEEP

384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvN0m:8Q3LotOPNSQVwVVxGKEvKHrV+m

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1504	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"	99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363.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	99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363.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	1856	99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363.exe
Token: SeDebugPrivilege	1504	spoolsv.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 1504	1856	99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363.exe	83
PID 1856 wrote to memory of 1504	1856	99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363.exe	83
PID 1856 wrote to memory of 1504	1856	99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363.exe	83

C:\Users\Admin\AppData\Local\Temp\99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363.exe
"C:\Users\Admin\AppData\Local\Temp\99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1856
- 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:1504

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
349KB

MD5
bc51b7a08a8f6f614c92873bacfe6e80

SHA1
f4c0d1a95c238241d4cb462f13e210e29693181e

SHA256
182e88313f6bb10f510acb8cb883e5727cd66a3aad75ee56b566a388acfbbbf9

SHA512
b2c085268abfa865bdc1fcc6edc3c4a5b90651a56fe99a236fe75023a0ae3cc18ac99343c244f9c9c95c63264a6eb10cc17a1251a3fb60bede7fd8c2864873fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\IP75c8hgTRKky9Y.exe

Filesize
25KB

MD5
8de091e82fc9af7f8cdc1b60d9c5de48

SHA1
696315145af60c9157e6359ee8516e0055d23564

SHA256
93842ec912a73e51a3a2693c138b3d0934c07ceea4f1099da61a245e45eb4a3d

SHA512
7068f38ef90981c6808ada3955d8e5c4154f4f7fca20e885c71e0d2a894ca5a3b08112f8ad62760724540760b701a20cfe3424ee71a6e680f16b21b130e4917b

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