01902c9f0201c3a74b7400324558cf9580057e202c73c097a240bdb90998c7a2

Analysis

max time kernel
149s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 19:16

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General

Target

$SYSDIR/$_1_.exe
Size

49KB
MD5

8b81f3c495662f93b54688be1e8b9040
SHA1

a6bd1b5a430fa821d36ebe04a1a0358d4a598cf1
SHA256

3c1d16bc1dcff51f594de3d2724048cda05182a8d0ac176dcabeaf378df3c520
SHA512

ae61ab02501285e0c6f136d7f5bef2cfd0c2dc48f0fc9274482943b1df8919c41fe65ff768a30aa32cae1ef65739cb86311010ce9cb9f29c01f1b969ef660b93
SSDEEP

768:uHJd0TpH2+bQ2dUWVX9Hfv1JMWmtLEJOyuBxG0D3mjfS3XJWJRn25c7XF3pm0Efh:upgpHzb9dZVX9fHMvG0D3XJn5cjVSf2A

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2724	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2724	Au_.exe
2724	Au_.exe
2724	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	Au_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	$_1_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral6/files/0x00080000000234a1-3.dat	nsis_installer_1
behavioral6/files/0x00080000000234a1-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 2724	4248	$_1_.exe	82
PID 4248 wrote to memory of 2724	4248	$_1_.exe	82
PID 4248 wrote to memory of 2724	4248	$_1_.exe	82

C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$_1_.exe
"C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$_1_.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4248
- 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\$SYSDIR\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2724

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\nsn99D1.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

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C:\Users\Admin\AppData\Local\Temp\nsn99D1.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

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C:\Users\Admin\AppData\Local\Temp\nsn99D1.tmp\validate.ini

Filesize
470B

MD5
1d5aa5af1a05cb43db90fe00d59293b3

SHA1
2f6cea35f2d4abdc479f8a708bdeb4c06acdb1b7

SHA256
013d55ef3fce18eee770d5ef9e74e2248d2166ba85e7f2c30553fa6d10a1708f

SHA512
b727af8ca9a3a281f06b26cdd42f8107536683dd67e5d50a584bac61a580ec4e651a4aa6c9fda123508483302f596cccc680b0bc72db2157da41614b4d2da60a

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C:\Users\Admin\AppData\Local\Temp\nsn99D1.tmp\validate.ini

Filesize
530B

MD5
3c7a286069f712df4aaa513697aac504

SHA1
9f5527b2c5be4168e1810c44e8f91c9d01930f6d

SHA256
8bf81cbcfbf708cdbdd14f9d4e5b094d1c471c1299f69a6046050831cebf72eb

SHA512
3d79ad8fabb81197188e4c2ebe4b5d178aa516e3bf9da03f0aba5b5e738d4503896259d78cc89aae9b79881d28a4e39202643f79064a15ec88838961d5462102

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

Filesize
49KB

MD5
8b81f3c495662f93b54688be1e8b9040

SHA1
a6bd1b5a430fa821d36ebe04a1a0358d4a598cf1

SHA256
3c1d16bc1dcff51f594de3d2724048cda05182a8d0ac176dcabeaf378df3c520

SHA512
ae61ab02501285e0c6f136d7f5bef2cfd0c2dc48f0fc9274482943b1df8919c41fe65ff768a30aa32cae1ef65739cb86311010ce9cb9f29c01f1b969ef660b93

Download Submit