3c707acf9107ff56f664d2fd5592b6a601e30eb625e9d4a4b63ef8f8b52eea39

Analysis

max time kernel
98s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 04:21

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General

Target

uninstall.exe
Size

285KB
MD5

b60e672d36019eb707e475b93e3093ba
SHA1

d0e21f8c40fe81718e1cb91cc3853dfb68dd8690
SHA256

31ad0ddae066932c113880ae069504bc6303cacd69f01f191e72e4c1d247eff8
SHA512

ae2aef1c58a95c851d17100357b19fe05da48f61b61f20964be75cb98621867caf34446767311c30f919e6203fde5a02b488d5de0b45e2a31b714f5fe17eb13a
SSDEEP

6144:Ee34bonpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1W:60eZHkwuPikQ7lKH5p5H9x1W

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5088	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
5088	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/0x0007000000023cae-3.dat	nsis_installer_1
behavioral14/files/0x0007000000023cae-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 5088	3984	uninstall.exe	84
PID 3984 wrote to memory of 5088	3984	uninstall.exe	84
PID 3984 wrote to memory of 5088	3984	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:3984
- 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:5088

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\nsfB95E.tmp\aminsis.dll

Filesize
559KB

MD5
51ba1095f0ae45a2d444bea506cb9ad4

SHA1
038a5d53d055a6d440bd2c8864c2f51db206c5e5

SHA256
b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539

SHA512
f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361

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

Filesize
285KB

MD5
b60e672d36019eb707e475b93e3093ba

SHA1
d0e21f8c40fe81718e1cb91cc3853dfb68dd8690

SHA256
31ad0ddae066932c113880ae069504bc6303cacd69f01f191e72e4c1d247eff8

SHA512
ae2aef1c58a95c851d17100357b19fe05da48f61b61f20964be75cb98621867caf34446767311c30f919e6203fde5a02b488d5de0b45e2a31b714f5fe17eb13a

Download Submit