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-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\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
23	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2564 set thread context of 3880	2564	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	94

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2564	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
3880	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
3880	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe
Token: SeDebugPrivilege	3880	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 3880	2564	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	94
PID 2564 wrote to memory of 3880	2564	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	94
PID 2564 wrote to memory of 3880	2564	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	94
PID 2564 wrote to memory of 3880	2564	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	94
PID 2564 wrote to memory of 3880	2564	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	94
PID 2564 wrote to memory of 3880	2564	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\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:2564
- 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:3880

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\a3313af3a13e7801576cbcd9399e9b73d1a8e8f4940c1d44f0014513e2ce17b1.exe.log

Filesize
1KB

MD5
00e11b196d5ba77191cba469e8925764

SHA1
f1546b803f20c8b4010f862843edc0b0771a681b

SHA256
abfc56372bee93b3c083a66ac449e55f824c5ef64cbb87d656011cc0ff1ec6c1

SHA512
985bd5a4d4f516701e54a4c361dd3a454cb107694cd240336e32365822f49b47f0a2e0cc04ae7866bfd4d142175540bb329f02f3e1b990e9a09c63c2e258f0a7

Download Submit
memory/2564-13-0x00007FFC5B3A0000-0x00007FFC5BE61000-memory.dmp

Filesize
10.8MB

Download
memory/2564-1-0x0000000000220000-0x00000000002EA000-memory.dmp

Filesize
808KB

Download
memory/2564-2-0x00007FFC5B3A0000-0x00007FFC5BE61000-memory.dmp

Filesize
10.8MB

Download
memory/2564-3-0x0000000002EF0000-0x0000000002F14000-memory.dmp

Filesize
144KB

Download
memory/2564-4-0x00007FFC5B3A3000-0x00007FFC5B3A5000-memory.dmp

Filesize
8KB

Download
memory/2564-5-0x00007FFC5B3A0000-0x00007FFC5BE61000-memory.dmp

Filesize
10.8MB

Download
memory/2564-6-0x000000001BEE0000-0x000000001BEF6000-memory.dmp

Filesize
88KB

Download
memory/2564-7-0x0000000002ED0000-0x0000000002EE4000-memory.dmp

Filesize
80KB

Download
memory/2564-8-0x000000001C270000-0x000000001C2F8000-memory.dmp

Filesize
544KB

Download
memory/2564-0-0x00007FFC5B3A3000-0x00007FFC5B3A5000-memory.dmp

Filesize
8KB

Download
memory/3880-9-0x0000000140000000-0x0000000140046000-memory.dmp

Filesize
280KB

Download
memory/3880-14-0x00007FFC5B3A0000-0x00007FFC5BE61000-memory.dmp

Filesize
10.8MB

Download
memory/3880-12-0x00007FFC5B3A0000-0x00007FFC5BE61000-memory.dmp

Filesize
10.8MB

Download
memory/3880-15-0x000000001EB50000-0x000000001ED12000-memory.dmp

Filesize
1.8MB

Download
memory/3880-16-0x000000001C5B0000-0x000000001C600000-memory.dmp

Filesize
320KB

Download
memory/3880-17-0x000000001F250000-0x000000001F778000-memory.dmp

Filesize
5.2MB

Download
memory/3880-18-0x00007FFC5B3A0000-0x00007FFC5BE61000-memory.dmp

Filesize
10.8MB

Download
memory/3880-19-0x000000001C4A0000-0x000000001C5A2000-memory.dmp

Filesize
1.0MB

Download
memory/3880-20-0x00007FFC5B3A0000-0x00007FFC5BE61000-memory.dmp

Filesize
10.8MB

Download

Analysis

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