703103bc09f0989ec9214522f8209bb0b6a24751b937bfb8ec0fd0e96c81e9b5

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 08:07

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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

pid	Process
2776	SetupAuto.exe

Loads dropped DLL 3 IoCs

pid	Process
2504	MainInstallerAutoEmbedded.exe
2504	MainInstallerAutoEmbedded.exe
2776	SetupAuto.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral15/files/0x000b00000001225b-7.dat	nsis_installer_1
behavioral15/files/0x000b00000001225b-7.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2776	SetupAuto.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2776	2504	MainInstallerAutoEmbedded.exe	28
PID 2504 wrote to memory of 2776	2504	MainInstallerAutoEmbedded.exe	28
PID 2504 wrote to memory of 2776	2504	MainInstallerAutoEmbedded.exe	28
PID 2504 wrote to memory of 2776	2504	MainInstallerAutoEmbedded.exe	28
PID 2504 wrote to memory of 2776	2504	MainInstallerAutoEmbedded.exe	28
PID 2504 wrote to memory of 2776	2504	MainInstallerAutoEmbedded.exe	28
PID 2504 wrote to memory of 2776	2504	MainInstallerAutoEmbedded.exe	28

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:2504
- 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:2776

Network

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\nsi3959.tmp\ioSpecial.ini

Filesize
694B

MD5
db68385cec28d13ce1d3440a2c5486b6

SHA1
ef90688571957bd17f89858571bd0c219aa1c1dc

SHA256
26ce9fb24639dfab5fcd4cbbeefeca97befa599b430102fb08b9a84c8fece157

SHA512
67a79af9673a73fea290c7cd51440c2e5944024201081b6747de9a2dbcb190e16f047ee1360fd77933950dba3a243cbceb54adb7eaf4154badf925c87a74a372

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C:\Users\Admin\AppData\Local\Temp\nsi3959.tmp\ioSpecial.ini

Filesize
707B

MD5
2e3313d2294d6840d5cc50e65567d7e6

SHA1
2923dedf9cf3aca38c270cc9967ab3e855b94a68

SHA256
e6f591edf5c2d20bb3257fa4fbefe25155e10c860675a63f2c24c4303006a338

SHA512
04c74790c4262c1331ead1bfe897d5e08ecc1fd03fec60d1d402e9d8a6d927dcdf2d428b876a88edbc23389022840cf75d7e92f114b3a89b7b3d88e2f7c7e44a

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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\nsi37D3.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

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\Users\Admin\AppData\Local\Temp\nsi3959.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

Download Submit