70033a2b131c5d3ae450eee9d4e6a368f75e49951e5851189540f9c9b7fcc9e7

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 02:54

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General

Target

MainInstallerAutoEmbedded.exe
Size

796KB
MD5

7fc6bc14a74dc69773587af10132d8c9
SHA1

9d98b268eaa7f4ad208bde39944fdb1ab201e076
SHA256

e288d49f6011dcd3f893e54ceafda9b6b491543966521c483064a7df43e5bdd2
SHA512

a738205fb26bf259e70b1cacfd10f9168d381778ef90a49847b8d332d93b471cbdcf6357a3d2dfb2e41a4666cba98dd9dc2867a20d472636e5fc8080cc073742
SSDEEP

24576:P7yrmq17YLUAl1+O50aT+1bXkS/EZQM7G7ZQ51bmtfWR163i95cVmB:jgbyLV1ILT/ES46S5Bmted6VmB

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

SetupAuto.exe

pid process

2484 SetupAuto.exe
Loads dropped DLL 3 IoCs

Processes:

MainInstallerAutoEmbedded.exeSetupAuto.exe

pid process

2720 MainInstallerAutoEmbedded.exe
2720 MainInstallerAutoEmbedded.exe
2484 SetupAuto.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2484	SetupAuto.exe

pid	process
2720	MainInstallerAutoEmbedded.exe
2720	MainInstallerAutoEmbedded.exe
2484	SetupAuto.exe

NSIS installer 2 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\SetupAuto.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\SetupAuto.exe	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

SetupAuto.exe

pid process

2484 SetupAuto.exe

pid	process
2484	SetupAuto.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

MainInstallerAutoEmbedded.exe

description	pid	process	target process
PID 2720 wrote to memory of 2484	2720	MainInstallerAutoEmbedded.exe	SetupAuto.exe
PID 2720 wrote to memory of 2484	2720	MainInstallerAutoEmbedded.exe	SetupAuto.exe
PID 2720 wrote to memory of 2484	2720	MainInstallerAutoEmbedded.exe	SetupAuto.exe
PID 2720 wrote to memory of 2484	2720	MainInstallerAutoEmbedded.exe	SetupAuto.exe
PID 2720 wrote to memory of 2484	2720	MainInstallerAutoEmbedded.exe	SetupAuto.exe
PID 2720 wrote to memory of 2484	2720	MainInstallerAutoEmbedded.exe	SetupAuto.exe
PID 2720 wrote to memory of 2484	2720	MainInstallerAutoEmbedded.exe	SetupAuto.exe

C:\Users\Admin\AppData\Local\Temp\MainInstallerAutoEmbedded.exe
"C:\Users\Admin\AppData\Local\Temp\MainInstallerAutoEmbedded.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2720

C:\Users\Admin\AppData\Local\Temp\SetupAuto.exe
C:\Users\Admin\AppData\Local\Temp\SetupAuto.exe /PID=0 /NOTIFY=0 /FFR=1 /FFP=0
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
PID:2484

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsy9657.tmp\ioSpecial.ini
Filesize
694B

MD5
02dffcb4d3668596774fcaae80ec9ef9

SHA1
04c2b9efaa6f1f4c22ba3f70fbfa2ca2114285e6

SHA256
6379a35b4c6a831652eac3d398b750684bb19032ea6a742687cf99c4f78a4a57

SHA512
803fad27b654c8e204074d9824c16a645a64d255ea8053c5ec1e0a10166b5740cbdb3227d24fcd63cf3faad48605e1b13b80d9418483e6662573b37a17bed5cb

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\Users\Admin\AppData\Local\Temp\SetupAuto.exe
Filesize
512KB

MD5
ff0198fd1f59b71c1deec34b6b0b0c07

SHA1
cae622ad91a3bab0996589e3bf905c9d4eeb6059

SHA256
f552d818f17841efb7f06803ecd2479fe5c9b2a0d3c4dad2c9d90b42e2e9d7d5

SHA512
96795276eefcde81b0ad4ac85f4aaec368cb93bd9e9912c343316912f1502f3a22d845af3ba75ea5aa92b1936028558d48c11a77d331d49bd77f58b886868ccc

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\Users\Admin\AppData\Local\Temp\nst9464.tmp\System.dll
Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

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\Users\Admin\AppData\Local\Temp\nsy9657.tmp\InstallOptions.dll
Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

Download Submit