435e26dc2571c48f92f6ea75b025f24a279c8a86b721f1e48434a6df412ba7a7

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 06:57

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General

Target

uninstall.exe
Size

285KB
MD5

d0f23148f77bbcb390b2682b1f2b25a4
SHA1

09a518970407d4c5a29871bbca3644b7ffb91ffc
SHA256

75539d384e86a40b8a58b2bf88fe2b5492f79a63b78ad28f03935f91fdc091a3
SHA512

77cd8de9d692c311f40a511f9967299417130246faa3b3cae2bc78c1d561d1a9f6c9feee6da86e34c14bc465e0aea2e56a8ef2ab2d35770b360418231a5af2a1
SSDEEP

6144:Ee343upeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x15:emeZHkwuPikQ7lKH5p5H9x15

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3808	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
3808	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/0x0009000000023426-3.dat	nsis_installer_1
behavioral14/files/0x0009000000023426-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 3808	3144	uninstall.exe	82
PID 3144 wrote to memory of 3808	3144	uninstall.exe	82
PID 3144 wrote to memory of 3808	3144	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:3144
- 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:3808

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\nsz7928.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
d0f23148f77bbcb390b2682b1f2b25a4

SHA1
09a518970407d4c5a29871bbca3644b7ffb91ffc

SHA256
75539d384e86a40b8a58b2bf88fe2b5492f79a63b78ad28f03935f91fdc091a3

SHA512
77cd8de9d692c311f40a511f9967299417130246faa3b3cae2bc78c1d561d1a9f6c9feee6da86e34c14bc465e0aea2e56a8ef2ab2d35770b360418231a5af2a1

Download Submit