91359945ae33bd05c2d0673e93f3a8cd2320933332a28eb04fdaabe87f97fea4

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 02:11

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General

Target

uninstall.exe
Size

285KB
MD5

d01b7c3c658f2b4e3c835ae619799302
SHA1

90113ed9c86981fe55129f481d1855262f690888
SHA256

6ec741735df5c5cfa6e5478b533e88ad4e734266134db68afd39b189018fde57
SHA512

b15d079107af7538e451e01017603d766cbbf262ddaef63baf9e00029a6ea74c3ce3411457bd7081a9fbaf0326d778e6d03b671eff0b0bdbb6deb76d70ce5e42
SSDEEP

6144:Ee34bIpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1Q:60eZHkwuPikQ7lKH5p5H9x1Q

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1260	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
1260	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
behavioral14/files/0x000a000000023ba8-3.dat	nsis_installer_1
behavioral14/files/0x000a000000023ba8-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 1260	208	uninstall.exe	84
PID 208 wrote to memory of 1260	208	uninstall.exe	84
PID 208 wrote to memory of 1260	208	uninstall.exe	84

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:208
- 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:1260

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsd8E66.tmp\aminsis.dll

Filesize
559KB

MD5
51ba1095f0ae45a2d444bea506cb9ad4

SHA1
038a5d53d055a6d440bd2c8864c2f51db206c5e5

SHA256
b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539

SHA512
f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361

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C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
285KB

MD5
d01b7c3c658f2b4e3c835ae619799302

SHA1
90113ed9c86981fe55129f481d1855262f690888

SHA256
6ec741735df5c5cfa6e5478b533e88ad4e734266134db68afd39b189018fde57

SHA512
b15d079107af7538e451e01017603d766cbbf262ddaef63baf9e00029a6ea74c3ce3411457bd7081a9fbaf0326d778e6d03b671eff0b0bdbb6deb76d70ce5e42

Download Submit