969bdb79501e09836ba8a170453825ea26381d97503356cbf5f67410bf96a912

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 02:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8854b2365cef342cb18c6d0c6e7a85ef.exe
Size

356KB
MD5

8854b2365cef342cb18c6d0c6e7a85ef
SHA1

8b406a50058330322cdd0dd2c4f5b245f5660a36
SHA256

969bdb79501e09836ba8a170453825ea26381d97503356cbf5f67410bf96a912
SHA512

bab5409e744a0242ccf5fb4abb422180cf7cab8b27bb7ac783eaaa6854022a26b8e58a81c7f3044bd2a272f991796884c138998ddd54d04c45b5e36e5d77ed3f
SSDEEP

6144:qa3kdF60F55G0Tpg1Y+aPET0VcI9+TVS0tQ5Ue9ISPBARQ2XDA+iXeoS:XUdw080KqBPEPIYTVZ2Ue9LPGeRuoS

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\beep.sys	8854b2365cef342cb18c6d0c6e7a85ef.exe

Deletes itself 1 IoCs

pid	Process
4876	icwupda.exe

Executes dropped EXE 1 IoCs

pid	Process
4876	icwupda.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Internet Explorer\Connection Wizard\icwupda.exe	8854b2365cef342cb18c6d0c6e7a85ef.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
640	8854b2365cef342cb18c6d0c6e7a85ef.exe
640	8854b2365cef342cb18c6d0c6e7a85ef.exe
640	8854b2365cef342cb18c6d0c6e7a85ef.exe
640	8854b2365cef342cb18c6d0c6e7a85ef.exe
640	8854b2365cef342cb18c6d0c6e7a85ef.exe
640	8854b2365cef342cb18c6d0c6e7a85ef.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4876	icwupda.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 3276	4876	icwupda.exe	88
PID 4876 wrote to memory of 3276	4876	icwupda.exe	88

C:\Users\Admin\AppData\Local\Temp\8854b2365cef342cb18c6d0c6e7a85ef.exe
"C:\Users\Admin\AppData\Local\Temp\8854b2365cef342cb18c6d0c6e7a85ef.exe"
1⤵
- Drops file in Drivers directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:640

C:\Program Files (x86)\Internet Explorer\Connection Wizard\icwupda.exe
"C:\Program Files (x86)\Internet Explorer\Connection Wizard\icwupda.exe"
1⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" %1
  2⤵
  PID:3276

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

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Internet Explorer\Connection Wizard\icwupda.exe

Filesize
356KB

MD5
8854b2365cef342cb18c6d0c6e7a85ef

SHA1
8b406a50058330322cdd0dd2c4f5b245f5660a36

SHA256
969bdb79501e09836ba8a170453825ea26381d97503356cbf5f67410bf96a912

SHA512
bab5409e744a0242ccf5fb4abb422180cf7cab8b27bb7ac783eaaa6854022a26b8e58a81c7f3044bd2a272f991796884c138998ddd54d04c45b5e36e5d77ed3f

Download Submit
memory/640-0-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/640-1-0x00000000007B0000-0x00000000007B1000-memory.dmp

Filesize
4KB

Download
memory/640-9-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4876-8-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/4876-10-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4876-12-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/4876-14-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4876-17-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4876-18-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4876-22-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download