vipkeylogger | b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77

General

Target

b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe
Size

718KB
MD5

4e4fb45c99a574849a086232116f8bfc
SHA1

ee52062d05ff64cb7fc57bc647535929cbe856d9
SHA256

b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77
SHA512

2ec98860cba067f2a60fe0e9819b390bbec6536ddbf2b06a5a9a65b8a450dba013a763b00f2a850444d92532233ec5c2c825163ea38755830c9303fea3350ef7
SSDEEP

12288:Aoe7DH/meETdAAHOPaLsegLyjR0SxJxycahXjIC72:g7DQAC0aLoL8RNrycahTt72

Score

10^/10

vipkeylogger collection discovery keylogger persistence stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7965348925:AAGe8wdrvk9A3lxr1GIjGigodJ_zZ7prhfs/sendMessage?chat_id=6848903538

Signatures

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger
Vipkeylogger family
vipkeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows UpdateHelper = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Support\\UpdateHelper.exe"	b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
5	checkip.dyndns.org
16	reallyfreegeoip.org
17	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2588 set thread context of 1856	2588	b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe	84

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 1 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	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1856	AddInProcess32.exe
1856	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1856	AddInProcess32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 1856	2588	b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe	84
PID 2588 wrote to memory of 1856	2588	b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe	84
PID 2588 wrote to memory of 1856	2588	b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe	84
PID 2588 wrote to memory of 1856	2588	b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe	84
PID 2588 wrote to memory of 1856	2588	b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe	84
PID 2588 wrote to memory of 1856	2588	b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe	84
PID 2588 wrote to memory of 1856	2588	b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe	84
PID 2588 wrote to memory of 1856	2588	b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe
"C:\Users\Admin\AppData\Local\Temp\b541d2f2c3ea6e6f3cb26bba9bf36a0034a01cbb225e794c94ff957d09991e77.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.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:1856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1856-1-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1856-2-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

Filesize
4KB

Download
memory/1856-3-0x0000000005530000-0x0000000005AD4000-memory.dmp

Filesize
5.6MB

Download
memory/1856-4-0x0000000004F80000-0x000000000501C000-memory.dmp

Filesize
624KB

Download
memory/1856-5-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/1856-6-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

Filesize
4KB

Download
memory/1856-7-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/1856-8-0x0000000006250000-0x0000000006412000-memory.dmp

Filesize
1.8MB

Download
memory/1856-9-0x00000000060F0000-0x0000000006140000-memory.dmp

Filesize
320KB

Download
memory/1856-10-0x0000000006950000-0x0000000006E7C000-memory.dmp

Filesize
5.2MB

Download
memory/1856-11-0x00000000064C0000-0x0000000006552000-memory.dmp

Filesize
584KB

Download
memory/1856-12-0x0000000006430000-0x000000000643A000-memory.dmp

Filesize
40KB

Download
memory/1856-13-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/1856-14-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/1856-15-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download
memory/1856-16-0x0000000074EF0000-0x00000000756A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads