e962081ec608f3e4c1490afd968e9ff965081d96bf3d93f06bf372787fd8e65c

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 12:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe
Size

670KB
MD5

b8b1e1b26e8cedd59ba92c4d8b4f4a16
SHA1

f3a3b2c99650b3f6d58dc59a69cb87be25eeb437
SHA256

e962081ec608f3e4c1490afd968e9ff965081d96bf3d93f06bf372787fd8e65c
SHA512

3edb0b9e37e7eb8d868b2957645b4b0814ea610ddc0cfb37d409f296c3bd26ca5c843d0407aed36c463a284e2bcad6613cafbb3add855e9d4fba8256b3b57a20
SSDEEP

12288:j+tQY3u4/30tqXRzueOPrWuZDoZH88fgKxNOMfA33sUKpfcsFmcyouSKhK6udcKf:jGQY+ttqXRNOPrWuOZHHfRXA33OpfPFV

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4868-0-0x0000000000400000-0x00000000005AC000-memory.dmp	upx
behavioral2/memory/4868-62-0x0000000000400000-0x00000000005AC000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2484	4868	WerFault.exe	88

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe
Key created	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\IESettingSync	b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4868	b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe
4868	b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4868	b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe
4868	b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe

C:\Users\Admin\AppData\Local\Temp\b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe
"C:\Users\Admin\AppData\Local\Temp\b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe"
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4868
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 2576
  2⤵
  - Program crash
  PID:2484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4868 -ip 4868
1⤵
PID:3488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\index.html

Filesize
9KB

MD5
0001377a012e119110036df1967cc71c

SHA1
e3798ae37f1b8496c21ec9f11c73352933ef9af4

SHA256
40763a862d875de780d02c71a81323aea668798ddefc3aa92b30024d03dfa183

SHA512
797cfea1b380dee9dbf2e3835cb172d04bf1e063d7580c6000425e39f935703bdbb481a13c13343fea4fbc4809c5149dc1441dd6cc014b93007714977cbe56b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\js\jquery-ui.min.1.8.0.js

Filesize
202KB

MD5
a4fdd77e182bd2fabe300a47b5617a35

SHA1
e002b335c75b5edefcd251962f61f53a2ab8e0f2

SHA256
8b59592d67eadc703af6cdd5ba8d077f9f9485d01fb6405555614335f89be99b

SHA512
ddcccde1c129f8f71fb39685abc615c4202b8b3dfc12cedd7d9cca2f97b308fc14b64497826421fa9df3d1cf54bdae9c085051af0a8d393cd3d556a6578d4085

Download Submit
C:\Users\Admin\AppData\Local\Temp\mediaget-installer-tmp\js\jquery.min.1.6.4.js

Filesize
89KB

MD5
219073097031d9c1a95a1291d66f3a10

SHA1
2b7996b01d90b7f424f2a2e6063947461db4b2b2

SHA256
232066e3f6f1351afdaee1acb70c409766641fd5669e0b55ce7c77fac0a857ef

SHA512
9ad2745f96cf79a4d59393cc3fbb3958b244013f6798c12abe41e37fca80df3c7cedab4b47cbd197645c86b31077388ec8f01ea8d67c5feacbef95b1ae7582b5

Download Submit
memory/4868-0-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download
memory/4868-1-0x0000000003490000-0x0000000003491000-memory.dmp

Filesize
4KB

Download
memory/4868-62-0x0000000000400000-0x00000000005AC000-memory.dmp

Filesize
1.7MB

Download