vipkeylogger | 49039b4b47513f22a7e396b57a73abe02b0032a09089e8fa68c94c0eae655d6b

General

Target

file.exe
Size

742KB
MD5

3b2a532f5145a1e1a1d04daf8119caf1
SHA1

850db92a1aea8c8a7ba5a940c9f9ab19c31ce9a4
SHA256

49039b4b47513f22a7e396b57a73abe02b0032a09089e8fa68c94c0eae655d6b
SHA512

6d99963c39a895ff0dc6ca306fee30ea97c097320d2cb8718be402414e77e4a2ed542be7b674fe3a354a3523bd5737d0c357621a2af341ad9e78c5cc0e1a337c
SSDEEP

12288:C4doaeP1x88nMuJYvYExLntAtRozVeGv5zW/H+ao1aFzJLrujKw+/ZY:hdFeP1HMEYtLkweY5MLbzJX+D

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.aruzen.co.in
Port:
587
Username:
[email protected]
Password:
Pawsad-xovwut-2zoxso
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-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.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
22	reallyfreegeoip.org
23	reallyfreegeoip.org
19	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4272 set thread context of 1244	4272	file.exe	97

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2488	4272	WerFault.exe	82

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1244	file.exe
1244	file.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1244	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 1244	4272	file.exe	97
PID 4272 wrote to memory of 1244	4272	file.exe	97
PID 4272 wrote to memory of 1244	4272	file.exe	97
PID 4272 wrote to memory of 1244	4272	file.exe	97
PID 4272 wrote to memory of 1244	4272	file.exe	97
PID 4272 wrote to memory of 1244	4272	file.exe	97
PID 4272 wrote to memory of 1244	4272	file.exe	97
PID 4272 wrote to memory of 1244	4272	file.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.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:1244
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 1204
  2⤵
  - Program crash
  PID:2488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4272 -ip 4272
1⤵
PID:3628

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\file.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1244-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1244-20-0x0000000006D90000-0x0000000006DE0000-memory.dmp

Filesize
320KB

Download
memory/1244-19-0x0000000006F10000-0x00000000070D2000-memory.dmp

Filesize
1.8MB

Download
memory/1244-18-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1244-17-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1244-15-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1244-14-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4272-10-0x0000000006570000-0x00000000065FE000-memory.dmp

Filesize
568KB

Download
memory/4272-9-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4272-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/4272-8-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/4272-7-0x0000000005290000-0x00000000052A4000-memory.dmp

Filesize
80KB

Download
memory/4272-6-0x0000000005090000-0x000000000512C000-memory.dmp

Filesize
624KB

Download
memory/4272-5-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4272-16-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/4272-4-0x0000000004DF0000-0x0000000004DFA000-memory.dmp

Filesize
40KB

Download
memory/4272-3-0x0000000004E30000-0x0000000004EC2000-memory.dmp

Filesize
584KB

Download
memory/4272-2-0x00000000053E0000-0x0000000005984000-memory.dmp

Filesize
5.6MB

Download
memory/4272-1-0x0000000000340000-0x0000000000400000-memory.dmp

Filesize
768KB

Download

Analysis

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