6b64fd587440fa51d7e67f59a1a04b3407ca57923f6aa82e9ea12ecb95e704ce

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
01/05/2024, 03:52

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General

Target
DiscordChatExporter.Core.pdb
Size 93KB
Sample240501-ee43nsfb41
SHA256 46d0b6576f725ec687759df680d6ae3fc42cc8cc9145bb84ff92e235d3fb1666
MD5 ab5cb09dfb6b583393d164155ba753fd
SHA1 367d10b9f778cb3f4de596713772333870cb0585
SHA512 2f2c1232d5459b199d38aa939a0c5f17f623466eef4755135d5142f872f71ec7818fb17d3c0f40c0fc2ca7f6517f32877332de52937b11c34fdfa25f65d831eb
SSDEEP 1536:K1T5zQVjVf6WDV9QrqfX6c+DfEVjXMwso6f5nnJvIRdADtEPKwTF:Kvz+z4MVJsfJvcADtk
MD5 SHA1 SHA512 SSDEEP

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
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pdb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pdb	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_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-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pdb_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pdb_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2748	AcroRd32.exe
2748	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2668	1736	cmd.exe	29
PID 1736 wrote to memory of 2668	1736	cmd.exe	29
PID 1736 wrote to memory of 2668	1736	cmd.exe	29
PID 2668 wrote to memory of 2748	2668	rundll32.exe	30
PID 2668 wrote to memory of 2748	2668	rundll32.exe	30
PID 2668 wrote to memory of 2748	2668	rundll32.exe	30
PID 2668 wrote to memory of 2748	2668	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\DiscordChatExporter.Core.pdb
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\DiscordChatExporter.Core.pdb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2668
- - 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.Core.pdb"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2748

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 3d7bb65c23af28f862ba8dd1fe977ef22e4ec005d7dabcb1b4ef2760caf57e6b
MD5 6c00c90d73cc20dab47226294cf51f53
SHA1 8ebfdf09cc22c0f7c62ff1199b8173a6ae303633
SHA512 7f059f0e44fb82a38566806bcc94980c2ce95728a756f0086374650ce3a52675648a066a604105d4179e130c41467c2a81974d854ebfed471dcbea327e318c4d
MD5 SHA1 SHA512

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