43f7829929b19ce4720cd03c558b1492dca2328ae99aa8ea75ba203f37de3c57

General

Target

file-rfjd81347_pdf.exe
Size

589KB
MD5

ab36441008e386cf0087ca356a373bd1
SHA1

45e47082f52e6992d4e4d256ae0ca9ebf4ac0189
SHA256

7501745bfca00a30575e2ea4219b88ef3d4b19ff684deefce5c50d329f9bfc51
SHA512

c8b8e53ed72f79c448150a02c867275dc46fa3ff124d29aa129f54aa3a30321ae6a16342dbbae4bd846351b7c98d3917f0ca64127185b975f6060b22dd9c7987

Score

7^/10

collection persistence spyware stealer

Malware Config

Signatures

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

file-rfjd81347_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file-rfjd81347_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file-rfjd81347_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file-rfjd81347_pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

file-rfjd81347_pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Defender Updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cc3a68ce1dad95ce662e1c51f1568e3a.exe / start"	file-rfjd81347_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

file-rfjd81347_pdf.exe

description pid process target process

PID 1404 set thread context of 2368 1404 file-rfjd81347_pdf.exe file-rfjd81347_pdf.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file-rfjd81347_pdf.exe

pid process

1404 file-rfjd81347_pdf.exe
1404 file-rfjd81347_pdf.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

file-rfjd81347_pdf.exe

pid process

1404 file-rfjd81347_pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file-rfjd81347_pdf.exe

description pid process

Token: SeDebugPrivilege 2368 file-rfjd81347_pdf.exe

description	pid	process	target process
PID 1404 set thread context of 2368	1404	file-rfjd81347_pdf.exe	file-rfjd81347_pdf.exe

pid	process
1404	file-rfjd81347_pdf.exe
1404	file-rfjd81347_pdf.exe

pid	process
1404	file-rfjd81347_pdf.exe

description	pid	process
Token: SeDebugPrivilege	2368	file-rfjd81347_pdf.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

file-rfjd81347_pdf.exe

description	pid	process	target process
PID 1404 wrote to memory of 2368	1404	file-rfjd81347_pdf.exe	file-rfjd81347_pdf.exe
PID 1404 wrote to memory of 2368	1404	file-rfjd81347_pdf.exe	file-rfjd81347_pdf.exe
PID 1404 wrote to memory of 2368	1404	file-rfjd81347_pdf.exe	file-rfjd81347_pdf.exe

outlook_office_path 1 IoCs

Processes:

file-rfjd81347_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file-rfjd81347_pdf.exe

outlook_win_path 1 IoCs

Processes:

file-rfjd81347_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file-rfjd81347_pdf.exe

C:\Users\Admin\AppData\Local\Temp\file-rfjd81347_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\file-rfjd81347_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1404

C:\Users\Admin\AppData\Local\Temp\file-rfjd81347_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\file-rfjd81347_pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2368

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1404-130-0x0000000002270000-0x0000000002279000-memory.dmp

Filesize
36KB

Download
memory/2368-131-0x0000000000000000-mapping.dmp

Download
memory/2368-132-0x00000000006E0000-0x00000000006FC000-memory.dmp

Filesize
112KB

Download
memory/2368-133-0x00000000006E0000-0x00000000006FC000-memory.dmp

Filesize
112KB

Download
memory/2368-134-0x00000000048C0000-0x000000000495C000-memory.dmp

Filesize
624KB

Download
memory/2368-135-0x0000000004A50000-0x0000000004FF4000-memory.dmp

Filesize
5.6MB

Download
memory/2368-136-0x0000000004990000-0x0000000004A22000-memory.dmp

Filesize
584KB

Download
memory/2368-137-0x0000000005070000-0x000000000507A000-memory.dmp

Filesize
40KB

Download
memory/2368-138-0x00000000050A0000-0x00000000050F6000-memory.dmp

Filesize
344KB

Download
memory/2368-139-0x0000000008930000-0x0000000008996000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads