vipkeylogger | 01679b667028f70b4f50112dd29a1f6fc9636fad7aec2d3e3be9e580901a6bd9

General

Target

LAT00125.exe
Size

863KB
MD5

37767a9344273d94fb212dc6712f6b0c
SHA1

36391e9443a63cea9ed8cfe4cfeb6d138770bb63
SHA256

b6a0e4852c647cd96d0a4b5ad63f3b9c2daa11a8d842c88f166a1a10a853043c
SHA512

bcd7f63d1c32926f3cd975a973fed34f90acecd340515befbeeb9b95f8e1b7cf02d6575412724e3c6e52cf00f909e3963a76e98893cd0bda9505c3ea28459315
SSDEEP

12288:Psjtshl095iCemgRYeJIDdrd+TZLLlNzqUYfFOns:0mhzCuJIprd25L6Uoi

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7585694192:AAGLfsIW_RBiJFpsVE-aHUlOXlAUS1Hay0s/sendMessage?chat_id=6230067815

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-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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
46	checkip.dyndns.org
49	reallyfreegeoip.org
51	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 2500	2796	LAT00125.exe	96

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	LAT00125.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2796	LAT00125.exe
2796	LAT00125.exe
2796	LAT00125.exe
2500	InstallUtil.exe
2500	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	LAT00125.exe
Token: SeDebugPrivilege	2500	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2500	2796	LAT00125.exe	96
PID 2796 wrote to memory of 2500	2796	LAT00125.exe	96
PID 2796 wrote to memory of 2500	2796	LAT00125.exe	96
PID 2796 wrote to memory of 2500	2796	LAT00125.exe	96
PID 2796 wrote to memory of 2500	2796	LAT00125.exe	96
PID 2796 wrote to memory of 2500	2796	LAT00125.exe	96
PID 2796 wrote to memory of 2500	2796	LAT00125.exe	96
PID 2796 wrote to memory of 2500	2796	LAT00125.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\LAT00125.exe
"C:\Users\Admin\AppData\Local\Temp\LAT00125.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:2500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

memory/2500-13-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2500-21-0x0000000006B90000-0x00000000070BC000-memory.dmp

Filesize
5.2MB

Download
memory/2500-20-0x0000000006310000-0x0000000006360000-memory.dmp

Filesize
320KB

Download
memory/2500-19-0x0000000006490000-0x0000000006652000-memory.dmp

Filesize
1.8MB

Download
memory/2500-18-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/2500-17-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/2500-16-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/2796-5-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/2796-15-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/2796-9-0x000000007520E000-0x000000007520F000-memory.dmp

Filesize
4KB

Download
memory/2796-10-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/2796-11-0x0000000006700000-0x000000000671A000-memory.dmp

Filesize
104KB

Download
memory/2796-12-0x0000000006870000-0x0000000006876000-memory.dmp

Filesize
24KB

Download
memory/2796-7-0x0000000005460000-0x000000000546A000-memory.dmp

Filesize
40KB

Download
memory/2796-8-0x0000000075200000-0x00000000759B0000-memory.dmp

Filesize
7.7MB

Download
memory/2796-6-0x0000000004F30000-0x0000000004F56000-memory.dmp

Filesize
152KB

Download
memory/2796-0-0x000000007520E000-0x000000007520F000-memory.dmp

Filesize
4KB

Download
memory/2796-4-0x0000000004FC0000-0x0000000005052000-memory.dmp

Filesize
584KB

Download
memory/2796-3-0x00000000054A0000-0x0000000005A44000-memory.dmp

Filesize
5.6MB

Download
memory/2796-2-0x0000000004C50000-0x0000000004CEC000-memory.dmp

Filesize
624KB

Download
memory/2796-1-0x00000000001E0000-0x00000000002BC000-memory.dmp

Filesize
880KB

Download

Analysis

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