771a233f35d5aca0d9d7b0621fa3ea9d8f816f6a1741813f6c781f07e50c77f9

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
23/12/2023, 11:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

DiscordChatExporter.pdb
Size

56KB
MD5

9161e10bbaa3d4d75a50992ac825b504
SHA1

1f33d009202bc6d93b7929444117b838167f74ea
SHA256

a98b4d9020edd92036688f7806f94d10533c92fdb7a9f048f092baff414a983d
SHA512

f464c9491e7217bbb8a99b966d7fb2f75cec522d713f0f21a8d673556537626e6197ada6eb421ad7e7a58cc8b0b99bf7e748ca235f17d76efdb9fe4010ef4408
SSDEEP

1536:dyETJLS8EAIhpNNT5uGyd84mYul2hP7htuZj8FlQqD4tghYW6T:EeLRl4pNjuGyd8BYul2xvxw

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pdb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pdb_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2828	AcroRd32.exe
2828	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2680	2856	cmd.exe	29
PID 2856 wrote to memory of 2680	2856	cmd.exe	29
PID 2856 wrote to memory of 2680	2856	cmd.exe	29
PID 2680 wrote to memory of 2828	2680	rundll32.exe	30
PID 2680 wrote to memory of 2828	2680	rundll32.exe	30
PID 2680 wrote to memory of 2828	2680	rundll32.exe	30
PID 2680 wrote to memory of 2828	2680	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\DiscordChatExporter.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\DiscordChatExporter.pdb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\DiscordChatExporter.pdb"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2828

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:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
0b511e2810c47210d6352df97c16a660

SHA1
ee8c87b2d791d7ef372689b2774ec8972c7a4384

SHA256
127171ed07122812926fb2da9e59f618d5b16b0891419f77673ada238236aa02

SHA512
43fbbeca021be50f745ae1cce9149dcb1195f2aa32b0bf3c4ebabe373c1acac1410d66f04c8a471afefb20fe7648712f706ce4059b6b1218502ba9b2266f3f84

Download Submit