5a2421a99391c5deb961e8f6dbbb5a660531192c2fa279061d6d637bb9656947

Analysis

max time kernel
144s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-10-2024 05:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$SYSDIR/$SYSDIR/$_1_.exe
Size

52KB
MD5

f56dd8937e7790a77ed66cf939a98cef
SHA1

3f36412df3de2b669bcc5d698eb941477c52fba1
SHA256

752f5e5833cc5dd1f3d5f4b2a93aea034aaa254f4da432c85b6f5d387631b11c
SHA512

9ae4d54b54f10fd0da6c5ef3dfdff3a484887b2af3ec50a374cedca22cc36a2a9f45f850f9cc3cc623fbb23368dfdaf4692ac3c5dc16a1d547aec69f08e7bcea
SSDEEP

1536:UoLDYsacy7mHMowHjXJF5rcFqzN3bqTANJQwBEAr:UoPyys5jXJF5rxl2sHQw2Ar

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2512	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2528	$_1_.exe
2512	Au_.exe
2512	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	$_1_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral23/files/0x0005000000018792-2.dat	nsis_installer_1
behavioral23/files/0x0005000000018792-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2512	2528	$_1_.exe	30
PID 2528 wrote to memory of 2512	2528	$_1_.exe	30
PID 2528 wrote to memory of 2512	2528	$_1_.exe	30
PID 2528 wrote to memory of 2512	2528	$_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:2528
- 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:2512

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\nsjE7A4.tmp\validate.ini

Filesize
457B

MD5
9853b643199143e55b53ba189daf6e56

SHA1
217e5e6a0bc80ab9ffc9e7b25c2d78f36938b691

SHA256
c1f0e3ccba7c75426057058d398ae6dd78305b4aba675b79508077a6576e328e

SHA512
7642f6d20b8a7093d992c4ba2fa8aab1a0a347837a6758be61ca05beda0ed9bfc8d4871f1f75c08a140b4aba50f46ae2cfd007138e13c1d77b0b9d8076dfb0a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjE7A4.tmp\validate.ini

Filesize
530B

MD5
55716ae9e661a8dbf4ed78cbcc835877

SHA1
42e15736cde2dfdec21c06f621edb017462d89ac

SHA256
7f0340aa0bde8a91ac839ef024583d430d84ca067c0960c491824697ae1aa827

SHA512
d94edabdb24780858511d66c040decad4b4ea6a1a9fe0b8a6047e5ccc0094ab8d7867dbef6b870aa1a3dfef294a37de64135eae4f479024a65e8361d7953deab

Download Submit
\Users\Admin\AppData\Local\Temp\nsjE7A4.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

Download Submit
\Users\Admin\AppData\Local\Temp\nsjE7A4.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
52KB

MD5
f56dd8937e7790a77ed66cf939a98cef

SHA1
3f36412df3de2b669bcc5d698eb941477c52fba1

SHA256
752f5e5833cc5dd1f3d5f4b2a93aea034aaa254f4da432c85b6f5d387631b11c

SHA512
9ae4d54b54f10fd0da6c5ef3dfdff3a484887b2af3ec50a374cedca22cc36a2a9f45f850f9cc3cc623fbb23368dfdaf4692ac3c5dc16a1d547aec69f08e7bcea

Download Submit