a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65

Analysis

max time kernel
121s
max time network
105s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03-12-2022 15:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe
Size

133KB
MD5

9554bf61d3869a210a22cd8adbae4d65
SHA1

cfd958d825c6eb2520262773a766051cc28338f5
SHA256

a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65
SHA512

92cd2701cdc09f1521eac29f85a34bf307f0b3f80f692a51372c85ac4ea85a8418145ff804817a946c52b40f4e6ef29689ccc9309e65e281e061a72251ddc0ea
SSDEEP

3072:oEpjuktkk1uu4A0QMsZ8QpJH0eiiVWv8NqVFQuIGZ+JHW:D5hB0dc8QPI0Wv8NqV2ulZ+J

Score

10^/10

persistence spyware stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\7F0C3\\400D5.exe"	a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1128-57-0x0000000000400000-0x000000000048E000-memory.dmp	upx
behavioral1/memory/1448-58-0x0000000000400000-0x000000000048E000-memory.dmp	upx
behavioral1/memory/1312-62-0x0000000000400000-0x000000000048E000-memory.dmp	upx

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
T1081

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 1128	1448	a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe	27
PID 1448 wrote to memory of 1128	1448	a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe	27
PID 1448 wrote to memory of 1128	1448	a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe	27
PID 1448 wrote to memory of 1128	1448	a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe	27
PID 1448 wrote to memory of 1312	1448	a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe	29
PID 1448 wrote to memory of 1312	1448	a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe	29
PID 1448 wrote to memory of 1312	1448	a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe	29
PID 1448 wrote to memory of 1312	1448	a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe	29

C:\Users\Admin\AppData\Local\Temp\a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe
"C:\Users\Admin\AppData\Local\Temp\a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe
  C:\Users\Admin\AppData\Local\Temp\a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe startC:\Program Files (x86)\LP\D5F7\2C1.exe%C:\Program Files (x86)\LP\D5F7
  2⤵
  PID:1128
- C:\Users\Admin\AppData\Local\Temp\a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe
  C:\Users\Admin\AppData\Local\Temp\a798796412e0ea1b1ba6e95b40e6f824e4dc12911f34313aa190e58decd6bc65.exe startC:\Program Files (x86)\C3AD5\lvvm.exe%C:\Program Files (x86)\C3AD5
  2⤵
  PID:1312

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1128-55-0x0000000000000000-mapping.dmp

Download
memory/1128-57-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1312-60-0x0000000000000000-mapping.dmp

Download
memory/1312-62-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1448-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

Filesize
8KB

Download
memory/1448-58-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/1448-59-0x0000000002700000-0x000000000278E000-memory.dmp

Filesize
568KB

Download