c6fc72284a7ed951f7fd4678e900643581c2ba0259b344613e05c2d9ae626ce5

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 07:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

uninstall.exe
Size

285KB
MD5

a26975d733f4a416d679461b63fb3935
SHA1

e78442e64da558c51026e189c9c3855dff5a1c8b
SHA256

819f8a1aa3355c4c8b548e9c4eebe4e70ae3e023e6596ade64b0348c394bf73f
SHA512

eb1d77b89973528b62e8ceb64cdca9e19e16f6292682f432afa7be18ab1f4759ce29d9e08f4ca0dcc27e37931cc3b6b3b8031e96a5da05db677ab619a832eb61
SSDEEP

6144:Ee34EGpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1l:xOeZHkwuPikQ7lKH5p5H9x1l

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2320	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
2492	uninstall.exe
2320	Au_.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral13/files/0x000500000001941a-2.dat	nsis_installer_1
behavioral13/files/0x000500000001941a-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2320	2492	uninstall.exe	30
PID 2492 wrote to memory of 2320	2492	uninstall.exe	30
PID 2492 wrote to memory of 2320	2492	uninstall.exe	30
PID 2492 wrote to memory of 2320	2492	uninstall.exe	30

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nsyB51D.tmp\aminsis.dll

Filesize
559KB

MD5
51ba1095f0ae45a2d444bea506cb9ad4

SHA1
038a5d53d055a6d440bd2c8864c2f51db206c5e5

SHA256
b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539

SHA512
f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361

Download Submit
\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
285KB

MD5
a26975d733f4a416d679461b63fb3935

SHA1
e78442e64da558c51026e189c9c3855dff5a1c8b

SHA256
819f8a1aa3355c4c8b548e9c4eebe4e70ae3e023e6596ade64b0348c394bf73f

SHA512
eb1d77b89973528b62e8ceb64cdca9e19e16f6292682f432afa7be18ab1f4759ce29d9e08f4ca0dcc27e37931cc3b6b3b8031e96a5da05db677ab619a832eb61

Download Submit