e1f705a150f56a760af68e717f90cd553bf7eaba7861e7fe6596ba76d06b3f7f

Analysis

max time kernel
95s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2024, 12:12

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General

Target

$0/uninstall.exe
Size

83KB
MD5

71c085dade61786f05adc685d4f74b01
SHA1

8b58d09e5c47a14edf983277bfff8ea6db313d4c
SHA256

cd2ed594c06c16d66b534e6aaf76afb99c0dcbf77f4906ceba9c29495d300af2
SHA512

add86e11840a0a69b3e4ba51756e672f58b9f363436c2fd7fb8b549b7f1fae0198093980b8bf93a984a920eb37703cf9af3280e11e0907ae202a8bd441a7999e
SSDEEP

1536:+EkjY1zy214Qay0DGkJ7qAELVigJP7Fcpw/1q792sX7Ia12/DzJF:1kjAJ4dDGkJ+AI0M7Ko1qRka0/xF

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4768	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
4768	Au_.exe
4768	Au_.exe

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 1 IoCs

installer

resource	yara_rule
behavioral4/files/0x0007000000023426-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4532 wrote to memory of 4768	4532	uninstall.exe	84
PID 4532 wrote to memory of 4768	4532	uninstall.exe	84
PID 4532 wrote to memory of 4768	4532	uninstall.exe	84

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4532
- 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\$0\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nst5C98.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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C:\Users\Admin\AppData\Local\Temp\nst5C98.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

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C:\Users\Admin\AppData\Local\Temp\nst5C98.tmp\ioSpecial.ini

Filesize
619B

MD5
0d88d5f0777008be35a2e75b8b77eecf

SHA1
02044d47e5a43e3ac8b519fb7e6b8bea9802c00d

SHA256
be27f6db0ad72245c53fa4eab1cca2419f2bbd321d8a42641fcb9a85272cbf68

SHA512
9ddd0466f023813ad96c57a7e273947fdc1149fe7f6e6be2104eb69cd92f577f471fe72e68b00dbef1420dc8cf7c50ac341a4e386b84cf56f63f110164b38b51

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

Filesize
83KB

MD5
71c085dade61786f05adc685d4f74b01

SHA1
8b58d09e5c47a14edf983277bfff8ea6db313d4c

SHA256
cd2ed594c06c16d66b534e6aaf76afb99c0dcbf77f4906ceba9c29495d300af2

SHA512
add86e11840a0a69b3e4ba51756e672f58b9f363436c2fd7fb8b549b7f1fae0198093980b8bf93a984a920eb37703cf9af3280e11e0907ae202a8bd441a7999e

Download Submit