vipkeylogger | f2cb987cd17107f4bc8171971eb158d0fc6d55c0e501b3e17c478afdbbc2e9e4

General

Target

1h5OmzymbyVEzYd.exe
Size

771KB
MD5

223f14d66cc623f727b893be245bfb43
SHA1

b660b092d21a2c75b1f24256a4b4f53a21f38424
SHA256

f2cb987cd17107f4bc8171971eb158d0fc6d55c0e501b3e17c478afdbbc2e9e4
SHA512

b06b49f20f039b85e2177ddf380d67bcf94b460b3337e7ee6b2dfb84e224eae23df835dd69072f55fc56677eb36f1cb827fc04c1ee6a2ceedcddb5ecc6238838
SSDEEP

12288:kYfVG6swecl9j1Qi8HLagXUFNunI5iLdKy5mitqzaISeIrjVB146j6:SweO1Qi8HLayIbyEAcBtIvP

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.bombayintegrated.com
Port:
587
Username:
[email protected]
Password:
WmZBeNSyYIhu
Email To:
[email protected]

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-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1h5OmzymbyVEzYd.exe
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1h5OmzymbyVEzYd.exe
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1h5OmzymbyVEzYd.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
16	checkip.dyndns.org
18	reallyfreegeoip.org
19	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1664 set thread context of 3116	1664	1h5OmzymbyVEzYd.exe	89

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	1h5OmzymbyVEzYd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1h5OmzymbyVEzYd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3116	1h5OmzymbyVEzYd.exe
3116	1h5OmzymbyVEzYd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3116	1h5OmzymbyVEzYd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3116	1h5OmzymbyVEzYd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3116	1h5OmzymbyVEzYd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 3116	1664	1h5OmzymbyVEzYd.exe	89
PID 1664 wrote to memory of 3116	1664	1h5OmzymbyVEzYd.exe	89
PID 1664 wrote to memory of 3116	1664	1h5OmzymbyVEzYd.exe	89
PID 1664 wrote to memory of 3116	1664	1h5OmzymbyVEzYd.exe	89
PID 1664 wrote to memory of 3116	1664	1h5OmzymbyVEzYd.exe	89
PID 1664 wrote to memory of 3116	1664	1h5OmzymbyVEzYd.exe	89
PID 1664 wrote to memory of 3116	1664	1h5OmzymbyVEzYd.exe	89
PID 1664 wrote to memory of 3116	1664	1h5OmzymbyVEzYd.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1h5OmzymbyVEzYd.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1h5OmzymbyVEzYd.exe

C:\Users\Admin\AppData\Local\Temp\1h5OmzymbyVEzYd.exe
"C:\Users\Admin\AppData\Local\Temp\1h5OmzymbyVEzYd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Users\Admin\AppData\Local\Temp\1h5OmzymbyVEzYd.exe
  "C:\Users\Admin\AppData\Local\Temp\1h5OmzymbyVEzYd.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3116

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\1h5OmzymbyVEzYd.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1664-10-0x00000000025F0000-0x000000000267E000-memory.dmp

Filesize
568KB

Download
memory/1664-15-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1664-9-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1664-4-0x0000000004D60000-0x0000000004D6A000-memory.dmp

Filesize
40KB

Download
memory/1664-5-0x0000000005070000-0x000000000510C000-memory.dmp

Filesize
624KB

Download
memory/1664-6-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1664-7-0x0000000005030000-0x000000000504E000-memory.dmp

Filesize
120KB

Download
memory/1664-8-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/1664-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp

Filesize
584KB

Download
memory/1664-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/1664-1-0x00000000002C0000-0x0000000000388000-memory.dmp

Filesize
800KB

Download
memory/1664-2-0x0000000005380000-0x0000000005924000-memory.dmp

Filesize
5.6MB

Download
memory/3116-14-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3116-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3116-16-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3116-17-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3116-18-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/3116-19-0x0000000009130000-0x00000000092F2000-memory.dmp

Filesize
1.8MB

Download
memory/3116-20-0x0000000008F70000-0x0000000008FC0000-memory.dmp

Filesize
320KB

Download

Analysis

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