4338c9a123bf015cf41b11546cde0a3a03bcbfee2a5ee759f9e7d6573da29e05

Analysis

max time kernel
84s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22/09/2024, 15:13

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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 2336 set thread context of 3036	2336	FYI.PDF.exe	29

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 7 IoCs

pid	Process
3036	svchost.exe
3036	svchost.exe
3036	svchost.exe
3036	svchost.exe
3036	svchost.exe
3036	svchost.exe
3036	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2336	FYI.PDF.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
2336	FYI.PDF.exe
2336	FYI.PDF.exe
2336	FYI.PDF.exe
2336	FYI.PDF.exe
2336	FYI.PDF.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
2336	FYI.PDF.exe
2336	FYI.PDF.exe
2336	FYI.PDF.exe
2336	FYI.PDF.exe
2336	FYI.PDF.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 3036	2336	FYI.PDF.exe	29
PID 2336 wrote to memory of 3036	2336	FYI.PDF.exe	29
PID 2336 wrote to memory of 3036	2336	FYI.PDF.exe	29
PID 2336 wrote to memory of 3036	2336	FYI.PDF.exe	29
PID 2336 wrote to memory of 3036	2336	FYI.PDF.exe	29

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:2336
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\FYI.PDF.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3036

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

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Downloads

memory/2336-2-0x0000000003E90000-0x0000000004290000-memory.dmp

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memory/3036-3-0x0000000000400000-0x0000000000447000-memory.dmp

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memory/3036-4-0x0000000000400000-0x0000000000447000-memory.dmp

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memory/3036-5-0x0000000000400000-0x0000000000447000-memory.dmp

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memory/3036-6-0x00000000009E0000-0x0000000000CE3000-memory.dmp

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memory/3036-7-0x0000000000400000-0x0000000000447000-memory.dmp

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