vipkeylogger | 6a16ab57cfe25ae91ede18f58d9f902230730b3d8837c6198b108288a70f6155

General

Target

rrr.exe
Size

1.2MB
MD5

64395b35816e71f0086102af0c70d8cc
SHA1

50024b88a8fec64519f9a5d21771e6152eb1e431
SHA256

befc14389fe2850189bdb079d01b7a58ebb9d7d55e970bb4b729ed4bc20d225d
SHA512

cb4d66b09561494a5783983fb3831ac0ea53b0675fc9fcaba21223c1c856d0bb6b855f5c53be7b457588bef1d8d4c3eeeb0e8f7fb9f5a0e98948d16867ab60be
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCsluS0y0Nsjg85jVD7e7B+9jn5G8Y8Lmw:7JZoQrbTFZY1iaCm/3L0aDi89zozmF

Score

10^/10

vipkeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7045535067:AAFB6Qd5XE98Vho9iunrlrUC41JAx3FhGjY/sendMessage?chat_id=5916042829

Signatures

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2748 set thread context of 2752	2748	rrr.exe	31

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
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 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	rrr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2752	RegSvcs.exe
2752	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2748	rrr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2752	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2752	2748	rrr.exe	31
PID 2748 wrote to memory of 2752	2748	rrr.exe	31
PID 2748 wrote to memory of 2752	2748	rrr.exe	31
PID 2748 wrote to memory of 2752	2748	rrr.exe	31
PID 2748 wrote to memory of 2752	2748	rrr.exe	31
PID 2748 wrote to memory of 2752	2748	rrr.exe	31
PID 2748 wrote to memory of 2752	2748	rrr.exe	31
PID 2748 wrote to memory of 2752	2748	rrr.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\rrr.exe
"C:\Users\Admin\AppData\Local\Temp\rrr.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\rrr.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:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

Browser Information Discovery

1

T1217

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2748-2-0x0000000003DA0000-0x00000000041A0000-memory.dmp

Filesize
4.0MB

Download
memory/2752-3-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2752-5-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2752-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2752-8-0x0000000073C5E000-0x0000000073C5F000-memory.dmp

Filesize
4KB

Download
memory/2752-9-0x0000000073C50000-0x000000007433E000-memory.dmp

Filesize
6.9MB

Download
memory/2752-10-0x0000000073C5E000-0x0000000073C5F000-memory.dmp

Filesize
4KB

Download
memory/2752-11-0x0000000073C50000-0x000000007433E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing