7e2ef463d38b2586633579e0f794753051ee0a8afd31b68c80a683cee88aba5f

Analysis

max time kernel
0s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 11:16

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General

Target

16f0d8d8b884085c9d29b5cceb5e7572.exe
Size

123KB
MD5

16f0d8d8b884085c9d29b5cceb5e7572
SHA1

177cf0cd142199c0e4c9631140f35b4718d55221
SHA256

7e2ef463d38b2586633579e0f794753051ee0a8afd31b68c80a683cee88aba5f
SHA512

d1d8166f1001f45c7c745b382dc05d6cde51869666c5642005c8e5c085078d070436eeeda3229b451aa16538964d02e122f1c5cf6a618dfa9d244796d11b95e3
SSDEEP

3072:NeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLsqhFr6:NVYrJrOSsRwcpk

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
116	iaccess32.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2760-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\iaccess32.exe	16f0d8d8b884085c9d29b5cceb5e7572.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
4832	regedit.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2760	16f0d8d8b884085c9d29b5cceb5e7572.exe
116	iaccess32.exe
116	iaccess32.exe
116	iaccess32.exe
116	iaccess32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 116	2760	16f0d8d8b884085c9d29b5cceb5e7572.exe	19
PID 2760 wrote to memory of 116	2760	16f0d8d8b884085c9d29b5cceb5e7572.exe	19
PID 2760 wrote to memory of 116	2760	16f0d8d8b884085c9d29b5cceb5e7572.exe	19

C:\Users\Admin\AppData\Local\Temp\16f0d8d8b884085c9d29b5cceb5e7572.exe
"C:\Users\Admin\AppData\Local\Temp\16f0d8d8b884085c9d29b5cceb5e7572.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\iaccess32.exe
  C:\Windows\iaccess32.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:116

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
1⤵
PID:3352

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"
1⤵
PID:4384

C:\Windows\SysWOW64\regedit.exe
"C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert2007
1⤵
- Runs regedit.exe
PID:4832

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

memory/116-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/116-56-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2760-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4384-28-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download
memory/4384-58-0x0000000010000000-0x0000000010047000-memory.dmp

Filesize
284KB

Download