38c2ea46ee7490f1c6fc686828c643a5576a58774f2bd75711aaba280e8ff058

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2024 09:34

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General

Target

uninstall.exe
Size

285KB
MD5

e91fe75411f7716a092a8510bbe6318c
SHA1

29f14266092a9a7d3aa6535a6ab505566e4d25f0
SHA256

bb5799b8ede402fdddb4270f4e56eb1962cbb21348652025b3ebdf7509395ff7
SHA512

96f31721e7050b45c9fd32641fcab26e9b6e60a8858bd6587ebdca063d948898bccf6eb20d6ab2b949c6758a018153be904cc520269a68332811e1cd375b3eff
SSDEEP

6144:Ee34KIpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1b:L0eZHkwuPikQ7lKH5p5H9x1b

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3920	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
3920	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/0x000a000000023bd5-3.dat	nsis_installer_1
behavioral14/files/0x000a000000023bd5-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 3920	1600	uninstall.exe	84
PID 1600 wrote to memory of 3920	1600	uninstall.exe	84
PID 1600 wrote to memory of 3920	1600	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:1600
- 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:3920

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\nsrFDF8.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
e91fe75411f7716a092a8510bbe6318c

SHA1
29f14266092a9a7d3aa6535a6ab505566e4d25f0

SHA256
bb5799b8ede402fdddb4270f4e56eb1962cbb21348652025b3ebdf7509395ff7

SHA512
96f31721e7050b45c9fd32641fcab26e9b6e60a8858bd6587ebdca063d948898bccf6eb20d6ab2b949c6758a018153be904cc520269a68332811e1cd375b3eff

Download Submit