04e6fadc8bdc491c1869b4e6826aaf80b49dfc41cd30744f118580bbc3739edd

Analysis

max time kernel
95s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 11:10

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General

Target

uninstall.exe
Size

285KB
MD5

1e22272c2fda3d0e35b7079461311d5a
SHA1

c0a8fbd2543346fc29cf4af180b27c08ed5f8e9b
SHA256

9d56629719f806ea3d6d85117cc89ea0e58e3e7ce659251f1b3217a1f36a00ed
SHA512

22ecdb8bbf00560191eb3a2a2a613b4a9cada41fa19040288405c3ea994c8af9385bd652ee8a720469d367c11ab00ea4f7d79261bc58d8eae2d95fcbe7ca262a
SSDEEP

6144:Ee34IYi/peZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1S:9XeZHkwuPikQ7lKH5p5H9x1S

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2440	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2440	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/0x000b0000000234e9-3.dat	nsis_installer_1
behavioral14/files/0x000b0000000234e9-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 2440	3908	uninstall.exe	82
PID 3908 wrote to memory of 2440	3908	uninstall.exe	82
PID 3908 wrote to memory of 2440	3908	uninstall.exe	82

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:3908
- 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:2440

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\nsgE233.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
1e22272c2fda3d0e35b7079461311d5a

SHA1
c0a8fbd2543346fc29cf4af180b27c08ed5f8e9b

SHA256
9d56629719f806ea3d6d85117cc89ea0e58e3e7ce659251f1b3217a1f36a00ed

SHA512
22ecdb8bbf00560191eb3a2a2a613b4a9cada41fa19040288405c3ea994c8af9385bd652ee8a720469d367c11ab00ea4f7d79261bc58d8eae2d95fcbe7ca262a

Download Submit