vipkeylogger | a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1

General

Target

a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
Size

791KB
MD5

ca72531e5be781f589e9a3a6790f21bf
SHA1

8cea2052547bdb3cf23cceb3671a7e28a8b2da3b
SHA256

a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1
SHA512

609f89c83144412f182e8ac555c7194843425c2563b2b517d0f0d6d6ff9baa4ee715756d6df5871b3a455c488eef5a5ddfed0651c8ad6bd00dae0934b4c74cde
SSDEEP

24576:N5xLg+D+BlYfXYgZEKBKF4p5WV4EYONV:DxLxD4lbgZEFF4KV4EYO

Score

10^/10

vipkeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7470097193:AAH7g9zj8FQx12YOFkn9mZO_1-BTN4b6gKo/sendMessage?chat_id=6155920142

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
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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.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 1984 set thread context of 2804	1984	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	30

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1984	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
2804	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
2804	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
Token: SeDebugPrivilege	2804	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2804	1984	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	30
PID 1984 wrote to memory of 2804	1984	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	30
PID 1984 wrote to memory of 2804	1984	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	30
PID 1984 wrote to memory of 2804	1984	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	30
PID 1984 wrote to memory of 2804	1984	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	30
PID 1984 wrote to memory of 2804	1984	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	30
PID 1984 wrote to memory of 2804	1984	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe

C:\Users\Admin\AppData\Local\Temp\a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
"C:\Users\Admin\AppData\Local\Temp\a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
  C:\Users\Admin\AppData\Local\Temp\a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2804

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

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1984-8-0x000000001BF20000-0x000000001BFA8000-memory.dmp

Filesize
544KB

Download
memory/1984-17-0x000007FEF6540000-0x000007FEF6F2C000-memory.dmp

Filesize
9.9MB

Download
memory/1984-2-0x000007FEF6540000-0x000007FEF6F2C000-memory.dmp

Filesize
9.9MB

Download
memory/1984-3-0x00000000022F0000-0x0000000002314000-memory.dmp

Filesize
144KB

Download
memory/1984-4-0x000007FEF6540000-0x000007FEF6F2C000-memory.dmp

Filesize
9.9MB

Download
memory/1984-5-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/1984-6-0x0000000002180000-0x0000000002194000-memory.dmp

Filesize
80KB

Download
memory/1984-7-0x000007FEF6540000-0x000007FEF6F2C000-memory.dmp

Filesize
9.9MB

Download
memory/1984-1-0x000000013F990000-0x000000013FA5A000-memory.dmp

Filesize
808KB

Download
memory/1984-0-0x000007FEF6543000-0x000007FEF6544000-memory.dmp

Filesize
4KB

Download
memory/2804-14-0x0000000140000000-0x0000000140046000-memory.dmp

Filesize
280KB

Download
memory/2804-12-0x000007FFFFFD9000-0x000007FFFFFDA000-memory.dmp

Filesize
4KB

Download
memory/2804-10-0x0000000140000000-0x0000000140046000-memory.dmp

Filesize
280KB

Download
memory/2804-9-0x0000000140000000-0x0000000140046000-memory.dmp

Filesize
280KB

Download
memory/2804-11-0x0000000140000000-0x0000000140046000-memory.dmp

Filesize
280KB

Download
memory/2804-18-0x000007FEF6540000-0x000007FEF6F2C000-memory.dmp

Filesize
9.9MB

Download
memory/2804-19-0x000007FEF6540000-0x000007FEF6F2C000-memory.dmp

Filesize
9.9MB

Download
memory/2804-20-0x000007FEF6540000-0x000007FEF6F2C000-memory.dmp

Filesize
9.9MB

Download

Analysis

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