7fed26cb1381219906f60ae0b64cdc3aa7f769d6c7c30efff089df9ea811cfd0

Analysis

max time kernel
104s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 13:38

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General

Target

Documents.pdf.exe
Size

958KB
MD5

84fc846346048b8cde6b4354f476bb1e
SHA1

1c79724304ec950e551b750a5c3c5f5e28b9b40b
SHA256

7fed26cb1381219906f60ae0b64cdc3aa7f769d6c7c30efff089df9ea811cfd0
SHA512

9fbdf9cadc7eb364c20bb1b701ca890f1a9605e21ee74839ad423714ecb1f6e8754a7aba6565f7cbfe845f1c7ad652afaa81b6ef6e8745d2741822c4d4966d9e
SSDEEP

12288:vtb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgaTTwFhSSs6A:vtb20pkaCqT5TBWgNQ7anwnRs6A

Score

6^/10

collection discovery

Malware Config

Signatures

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
15	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4816 set thread context of 4348	4816	Documents.pdf.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	Documents.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4348	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4816	Documents.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4348	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4816	Documents.pdf.exe
4816	Documents.pdf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4816	Documents.pdf.exe
4816	Documents.pdf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 4348	4816	Documents.pdf.exe	82
PID 4816 wrote to memory of 4348	4816	Documents.pdf.exe	82
PID 4816 wrote to memory of 4348	4816	Documents.pdf.exe	82
PID 4816 wrote to memory of 4348	4816	Documents.pdf.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Documents.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Documents.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:4816
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Documents.pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4348-7-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4348-8-0x0000000073E1E000-0x0000000073E1F000-memory.dmp

Filesize
4KB

Download
memory/4348-9-0x0000000005A90000-0x0000000006034000-memory.dmp

Filesize
5.6MB

Download
memory/4348-10-0x0000000005430000-0x00000000054CC000-memory.dmp

Filesize
624KB

Download
memory/4348-11-0x0000000073E10000-0x00000000745C0000-memory.dmp

Filesize
7.7MB

Download
memory/4348-12-0x00000000065D0000-0x0000000006620000-memory.dmp

Filesize
320KB

Download
memory/4348-13-0x00000000068F0000-0x0000000006AB2000-memory.dmp

Filesize
1.8MB

Download
memory/4348-14-0x0000000073E1E000-0x0000000073E1F000-memory.dmp

Filesize
4KB

Download
memory/4348-15-0x0000000006840000-0x00000000068D2000-memory.dmp

Filesize
584KB

Download
memory/4348-16-0x0000000006810000-0x000000000681A000-memory.dmp

Filesize
40KB

Download
memory/4348-17-0x0000000073E10000-0x00000000745C0000-memory.dmp

Filesize
7.7MB

Download
memory/4816-6-0x0000000001090000-0x0000000001490000-memory.dmp

Filesize
4.0MB

Download