dbba3496d1815443593121454493f1bd43352fe4dd854c1ba4c18bb1ab71759c

Analysis

max time kernel
144s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/10/2024, 12:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$SYSDIR/$SYSDIR/$_14_.exe
Size

47KB
MD5

479a89a0977993dba8621d317de95125
SHA1

87051ff038084a4a37ec49f0ffe5978117a3da1d
SHA256

0e957437d9a2579a5e02b84ddb0094c0e3517644ecd5a15716dbeb942b4aeaa8
SHA512

427356c9d5451bb3b9f43a151ade7ad8c4f006ab11bb69f5b59415340cce17286abd4761fc72170825fc7df38a5fc839038e2627b32793a095d83a91ecafe7b1
SSDEEP

768:O1cVhpQI2EQK0iPDh84nScF15GYbWjXO3XJDJRnS5KtMbbX8rDRMMQ05UomKBAg3:MQpQ5EP0ijnRTXJO5V/8/5Q0F+2

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2152	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2684	$_14_.exe
2152	Au_.exe
2152	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	$_14_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral5/files/0x0006000000016d9f-6.dat	nsis_installer_1
behavioral5/files/0x0006000000016d9f-6.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2152	2684	$_14_.exe	30
PID 2684 wrote to memory of 2152	2684	$_14_.exe	30
PID 2684 wrote to memory of 2152	2684	$_14_.exe	30
PID 2684 wrote to memory of 2152	2684	$_14_.exe	30

C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$SYSDIR\$_14_.exe
"C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$SYSDIR\$_14_.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- 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\$SYSDIR\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2152

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsjDAD8.tmp\validate.ini

Filesize
457B

MD5
6dd30a5511de7a02a96ae4ddf883124b

SHA1
072d778655e7f76c09d948f8208c38e371eafc17

SHA256
118cca8dd4a33ecde9bcfd744f251870100960066c7534a94154722ed50cb54b

SHA512
5625a72168b9ed2336a2a4cba55bb75694eb26e0e3075cf59abb57ab2572f3ceb71c51fdfbee45030b01931659dfefa79deb64404fd1a91a059e9c02971d2943

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjDAD8.tmp\validate.ini

Filesize
530B

MD5
4ae29f83d25d8e90b6e0b0aa88a7d27f

SHA1
3317315169d378b9e068564e12d74f65c5d06785

SHA256
745177aa3c0568b82a0bed1779ee4f82ced540d0f757fc9a81f9a44b77a529a5

SHA512
b994241435d8ce5cb1bbd65a710a33d8f358cf2234b3667aa3e8e92c636bcffb0d448ef2979e8efce073a7334701940c79c385d59c0b9a007f8177eecb99d246

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

Filesize
47KB

MD5
479a89a0977993dba8621d317de95125

SHA1
87051ff038084a4a37ec49f0ffe5978117a3da1d

SHA256
0e957437d9a2579a5e02b84ddb0094c0e3517644ecd5a15716dbeb942b4aeaa8

SHA512
427356c9d5451bb3b9f43a151ade7ad8c4f006ab11bb69f5b59415340cce17286abd4761fc72170825fc7df38a5fc839038e2627b32793a095d83a91ecafe7b1

Download Submit
\Users\Admin\AppData\Local\Temp\nsjDAD8.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

Download Submit
\Users\Admin\AppData\Local\Temp\nsjDAD8.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit