0cc49cea4423f5d35e9297c3f24c0131924e19dd9dad425019fbc89349b2dd4c

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 20:47

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General

Target

uninstall.exe
Size

295KB
MD5

32fc5a1bdb707d6c3293bacd90b20797
SHA1

26bd0f29816a323a4374121530b5cdaca338bd5d
SHA256

43ea3166b3b168bcc58861c172a21cd07711a0284a4927788cbe9053b594976c
SHA512

b4701e0717d0467bac45d05f2e36512f0f9436036a3e349c668bd5921ae86b151b5e5bd4624706fb5b30d865642db8ddf0f52dfffc94e8bb4e150cf88fea7d77
SSDEEP

6144:Ee34mojKTK0HVkUEYA2q5NbrWN83gQwwDuzMn6yDkvE39kojTxDtEw:vojeKuVnvon+N83LwwiAn6KkM33nxD1

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2312	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
276	uninstall.exe
2312	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
behavioral17/files/0x000500000001a4af-2.dat	nsis_installer_1
behavioral17/files/0x000500000001a4af-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 276 wrote to memory of 2312	276	uninstall.exe	31
PID 276 wrote to memory of 2312	276	uninstall.exe	31
PID 276 wrote to memory of 2312	276	uninstall.exe	31
PID 276 wrote to memory of 2312	276	uninstall.exe	31

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:276
- 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:2312

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

\Users\Admin\AppData\Local\Temp\nstF854.tmp\aminsis.dll

Filesize
567KB

MD5
f346047b13f37f79c462e59a6319faa1

SHA1
ce9e7cb9719000a69b463fe024c81229e322279f

SHA256
e78e0e61707cabec8383f1e74da9db8e0fa123a3a7b36f0080d70fbaed6f7453

SHA512
429209cc489ba9ac2d62055b128efb3cded3e31f966c7cdb1aee592ec7a54ab090526705fa2519498d92eb4bc2efa141cd83adc6c251b793388ad1208b172167

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

Filesize
295KB

MD5
32fc5a1bdb707d6c3293bacd90b20797

SHA1
26bd0f29816a323a4374121530b5cdaca338bd5d

SHA256
43ea3166b3b168bcc58861c172a21cd07711a0284a4927788cbe9053b594976c

SHA512
b4701e0717d0467bac45d05f2e36512f0f9436036a3e349c668bd5921ae86b151b5e5bd4624706fb5b30d865642db8ddf0f52dfffc94e8bb4e150cf88fea7d77

Download Submit