4d4a9dd8b239d394f1998b481cdf83f869be2af2d8d568fcb47648d0d42bb71c

Analysis

max time kernel
144s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 05:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$SYSDIR/$SYSDIR/$_1_.exe
Size

53KB
MD5

874577528befed676900d88050fcc4ab
SHA1

418618ad890702b307734b25df7f78fa43fb3a60
SHA256

5596504f8ec18128105418f6ec2490a242ed6732eae435b7514d4ad073dbcc42
SHA512

fb0e113abc158d8dfd1aa5af907598694ed92d940ffc257e6484796e8dc6c4c12b14d28193cdceaf173a5360b7a117ee572ad58465e1baf9dd5f66e1d56d8e22
SSDEEP

768:KHJd0TpH2+bQ2dUWVX9Hfv1JMWmtLEJOyuBxG0D3mjfS3XJVJRn35qlXF3pm0Efd:KpgpHzb9dZVX9fHMvG0D3XJt5q9VSf2k

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2668	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
1596	$_1_.exe
2668	Au_.exe
2668	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
behavioral9/files/0x0006000000019639-2.dat	nsis_installer_1
behavioral9/files/0x0006000000019639-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 2668	1596	$_1_.exe	30
PID 1596 wrote to memory of 2668	1596	$_1_.exe	30
PID 1596 wrote to memory of 2668	1596	$_1_.exe	30
PID 1596 wrote to memory of 2668	1596	$_1_.exe	30

C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$SYSDIR\$_1_.exe
"C:\Users\Admin\AppData\Local\Temp\$SYSDIR\$SYSDIR\$_1_.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1596
- 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:2668

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\nse2ADA.tmp\validate.ini

Filesize
509B

MD5
c8fe61aa4bc5c05f7fe4b3bf73f01b3b

SHA1
7fe194edc585595bcdd153a46e90bfdb82c6e007

SHA256
31434ee48571c94e61fbf48e629056004043b184e1f38b80f83b5cc3bbc77852

SHA512
b555948657e992b943602a03d666abcbe8e1c8b5574ed5758f9536dbf5981db247a3a492047249612ade06df6b7ed3959949dfaea38d75fef11b71bbcd14b374

Download Submit
C:\Users\Admin\AppData\Local\Temp\nse2ADA.tmp\validate.ini

Filesize
530B

MD5
0f3c046f3112bf7a07f2550210489e44

SHA1
6e1e508fac682f79431e3e5fea2a5ca203b1adcf

SHA256
d3eab0a2e9c4874f8511710178784ae2a7f109971ba27997074d5480050fe7be

SHA512
1f5c4b674182a0c77580f38c9c8eeb2e92c201001657097a686bb1ef1b6451f77f634aa86cb7bbdd60de34158ea67da21428e230762b0f97b493df02ae24f300

Download Submit
\Users\Admin\AppData\Local\Temp\nse2ADA.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

Download Submit
\Users\Admin\AppData\Local\Temp\nse2ADA.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

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

Filesize
53KB

MD5
874577528befed676900d88050fcc4ab

SHA1
418618ad890702b307734b25df7f78fa43fb3a60

SHA256
5596504f8ec18128105418f6ec2490a242ed6732eae435b7514d4ad073dbcc42

SHA512
fb0e113abc158d8dfd1aa5af907598694ed92d940ffc257e6484796e8dc6c4c12b14d28193cdceaf173a5360b7a117ee572ad58465e1baf9dd5f66e1d56d8e22

Download Submit