4338c9a123bf015cf41b11546cde0a3a03bcbfee2a5ee759f9e7d6573da29e05

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/09/2024, 15:13

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
FYI.PDF.exe
Size 1.3MB
Sample240922-slqqhswbme
SHA256 4338c9a123bf015cf41b11546cde0a3a03bcbfee2a5ee759f9e7d6573da29e05
MD5 6d47f56575ff95f02444e4bbe4f7adf4
SHA1 88bab208d562366b49541c4fc3aef4c5fcfacfda
SHA512 5075e2b34415934e259d12e04ce74a1c2d87e056276a77932bb8c5169d89a5cde25872c504f3ddff2fc7beb3b6b3144dc7c64304a117ef7ad4a3956113b9844f
SSDEEP 24576:uRmJkcoQricOIQxiZY1iaCZDLe21WzBdQlkgmq7Ko8ss:7JZoQrbTFZY1iaCRe2YbQlkgso81
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1160 set thread context of 1016	1160	FYI.PDF.exe	86

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FYI.PDF.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1016	svchost.exe
1016	svchost.exe
1016	svchost.exe
1016	svchost.exe
1016	svchost.exe
1016	svchost.exe
1016	svchost.exe
1016	svchost.exe
1016	svchost.exe
1016	svchost.exe
1016	svchost.exe
1016	svchost.exe
1016	svchost.exe
1016	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1160	FYI.PDF.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1160	FYI.PDF.exe
1160	FYI.PDF.exe
1160	FYI.PDF.exe
1160	FYI.PDF.exe
1160	FYI.PDF.exe
1160	FYI.PDF.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
1160	FYI.PDF.exe
1160	FYI.PDF.exe
1160	FYI.PDF.exe
1160	FYI.PDF.exe
1160	FYI.PDF.exe
1160	FYI.PDF.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 1016	1160	FYI.PDF.exe	86
PID 1160 wrote to memory of 1016	1160	FYI.PDF.exe	86
PID 1160 wrote to memory of 1016	1160	FYI.PDF.exe	86
PID 1160 wrote to memory of 1016	1160	FYI.PDF.exe	86

C:\Users\Admin\AppData\Local\Temp\FYI.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\FYI.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\FYI.PDF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1016-3-0x0000000000400000-0x0000000000447000-memory.dmp

Download

memory/1016-5-0x0000000000400000-0x0000000000447000-memory.dmp

Download

memory/1016-6-0x0000000001800000-0x0000000001B4A000-memory.dmp

Download

memory/1016-7-0x0000000000400000-0x0000000000447000-memory.dmp

Download

memory/1160-2-0x0000000004410000-0x0000000004810000-memory.dmp

Download

memory/1160-4-0x0000000004410000-0x0000000004810000-memory.dmp

Download