25f0e5eb5e7033418196af4e256525735e1b5674e04d687ac12cd72d127261b3

Analysis

max time kernel
0s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 00:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

45444c17a2bb69430114f1b708008c4e.exe
Size

123KB
MD5

45444c17a2bb69430114f1b708008c4e
SHA1

c90e05e1feab8c47eddd2aa006b1849e4a76be13
SHA256

25f0e5eb5e7033418196af4e256525735e1b5674e04d687ac12cd72d127261b3
SHA512

02c5a3ca1fc616dace3f1330273ec873e9f5f32178c0b35ad9e35df6b3532dc52ec4e025820440f0ead72e3ee1480555f8b97aea18d7e61cb02297a636f8ebb9
SSDEEP

3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLCrSBD:OVYrJrOSsRwcp/p

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3864	iaccess32.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/668-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/668-6-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4908-28-0x0000000010000000-0x0000000010047000-memory.dmp	upx
behavioral2/memory/3864-4-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/3864-58-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	45444c17a2bb69430114f1b708008c4e.exe
File created	C:\Windows\tmlpcert2007	iaccess32.exe

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

System Information Discovery
T1082

Runs regedit.exe 1 IoCs

pid	Process
4560	regedit.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
668	45444c17a2bb69430114f1b708008c4e.exe
3864	iaccess32.exe
3864	iaccess32.exe
3864	iaccess32.exe
3864	iaccess32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 668 wrote to memory of 3864	668	45444c17a2bb69430114f1b708008c4e.exe	15
PID 668 wrote to memory of 3864	668	45444c17a2bb69430114f1b708008c4e.exe	15
PID 668 wrote to memory of 3864	668	45444c17a2bb69430114f1b708008c4e.exe	15

C:\Users\Admin\AppData\Local\Temp\45444c17a2bb69430114f1b708008c4e.exe
"C:\Users\Admin\AppData\Local\Temp\45444c17a2bb69430114f1b708008c4e.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:668
- C:\Windows\iaccess32.exe
  C:\Windows\iaccess32.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:3864
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
    3⤵
    PID:4908
- - C:\Windows\SysWOW64\regedit.exe
    "C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
    3⤵
    - Runs regedit.exe
    PID:4560

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:2280

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

memory/668-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/668-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3864-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3864-58-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4908-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download