vipkeylogger | 83fe4ec313f8afce83ba4afe2634b81bbf93aa71a33f1d3c9d34bfedba32aa90

General

Target

Payment_Advice.exe
Size

790KB
MD5

0279c0c1f0798bf1f7fbe610bb8c45e5
SHA1

8caa2af8e1107aa9d12c24e30169d987e65ce7ae
SHA256

85934bd9ea8427058f9e56a4441068c0f7dbac8746ff49e89c792448e6b0a3db
SHA512

5176b0e7c4984152cc467dbeaf6db2d7f7cf3f55d38c68270272c21d8511dddfbc7a6d76d10f3a6d4d71768bd85bcc639b6bf6e24d480c67bbb02c468ba33f07
SSDEEP

12288:0lxgTghZfm0Cu+e3JWH3BkOdHk13b8In5T6dJ3NDh/fP/zv5VHakl6YmbXGV:mEg/fj1UXGOdc3QI5Oz3vnzv7i

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot6107929879:AAHV6JwXs7rcYzMGLe3_opR5_gdKAC16Ye4/sendMessage?chat_id=6311012313

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
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.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
25	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4020 set thread context of 1072	4020	Payment_Advice.exe	98

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1072	Payment_Advice.exe
1072	Payment_Advice.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1072	Payment_Advice.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 1072	4020	Payment_Advice.exe	98
PID 4020 wrote to memory of 1072	4020	Payment_Advice.exe	98
PID 4020 wrote to memory of 1072	4020	Payment_Advice.exe	98
PID 4020 wrote to memory of 1072	4020	Payment_Advice.exe	98
PID 4020 wrote to memory of 1072	4020	Payment_Advice.exe	98
PID 4020 wrote to memory of 1072	4020	Payment_Advice.exe	98
PID 4020 wrote to memory of 1072	4020	Payment_Advice.exe	98
PID 4020 wrote to memory of 1072	4020	Payment_Advice.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment_Advice.exe

C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.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:1072

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

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment_Advice.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1072-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1072-21-0x0000000007410000-0x000000000793C000-memory.dmp

Filesize
5.2MB

Download
memory/1072-20-0x0000000006BB0000-0x0000000006C00000-memory.dmp

Filesize
320KB

Download
memory/1072-19-0x0000000006D10000-0x0000000006ED2000-memory.dmp

Filesize
1.8MB

Download
memory/1072-18-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1072-17-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1072-16-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1072-14-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/4020-5-0x00000000053E0000-0x00000000053EA000-memory.dmp

Filesize
40KB

Download
memory/4020-10-0x0000000002CE0000-0x0000000002D6C000-memory.dmp

Filesize
560KB

Download
memory/4020-9-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/4020-8-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/4020-7-0x0000000006680000-0x000000000669C000-memory.dmp

Filesize
112KB

Download
memory/4020-15-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/4020-6-0x0000000005680000-0x000000000571C000-memory.dmp

Filesize
624KB

Download
memory/4020-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/4020-4-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/4020-3-0x0000000005420000-0x00000000054B2000-memory.dmp

Filesize
584KB

Download
memory/4020-2-0x00000000059D0000-0x0000000005F74000-memory.dmp

Filesize
5.6MB

Download
memory/4020-1-0x0000000000A60000-0x0000000000B2C000-memory.dmp

Filesize
816KB

Download

Analysis

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