vipkeylogger | 517c2ec612e5eef224a280a1509a9c646237a0295ab0a26534e362f3dace92e9

General

Target

Invoice#2968 (PO#83270) pdf.exe
Size

832KB
MD5

2fa6791b73bec4f05a53347a37c0a2e4
SHA1

c5e240318972c79afcb40b8b3cf185cfa523e0ee
SHA256

517c2ec612e5eef224a280a1509a9c646237a0295ab0a26534e362f3dace92e9
SHA512

e6e4d6f4644cd7452551574f5959c86ecdde156412294dc27651b9efbdfb13fccf5031432e3fb0d02a2d64647762bcba13c89573d361c2fdfd40194c2f6d9c9a
SSDEEP

24576:fO6e12gVzguVxwVzN6vET4XvjkFy05e5v+:W912gVsjR0gukkT5v

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
Global786@
Email To:
[email protected]

C2

https://api.telegram.org/bot8066712820:AAEAb01u8B6eDO5xCMdAz6XCOHC_L2RpVGo/sendMessage?chat_id=7667424178

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-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice#2968 (PO#83270) pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice#2968 (PO#83270) pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice#2968 (PO#83270) pdf.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	reallyfreegeoip.org
13	checkip.dyndns.org
15	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 680 set thread context of 3932	680	Invoice#2968 (PO#83270) pdf.exe	86

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	Invoice#2968 (PO#83270) pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invoice#2968 (PO#83270) pdf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3932	Invoice#2968 (PO#83270) pdf.exe
3932	Invoice#2968 (PO#83270) pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3932	Invoice#2968 (PO#83270) pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 680 wrote to memory of 3932	680	Invoice#2968 (PO#83270) pdf.exe	86
PID 680 wrote to memory of 3932	680	Invoice#2968 (PO#83270) pdf.exe	86
PID 680 wrote to memory of 3932	680	Invoice#2968 (PO#83270) pdf.exe	86
PID 680 wrote to memory of 3932	680	Invoice#2968 (PO#83270) pdf.exe	86
PID 680 wrote to memory of 3932	680	Invoice#2968 (PO#83270) pdf.exe	86
PID 680 wrote to memory of 3932	680	Invoice#2968 (PO#83270) pdf.exe	86
PID 680 wrote to memory of 3932	680	Invoice#2968 (PO#83270) pdf.exe	86
PID 680 wrote to memory of 3932	680	Invoice#2968 (PO#83270) pdf.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice#2968 (PO#83270) pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Invoice#2968 (PO#83270) pdf.exe

C:\Users\Admin\AppData\Local\Temp\Invoice#2968 (PO#83270) pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice#2968 (PO#83270) pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:680
- C:\Users\Admin\AppData\Local\Temp\Invoice#2968 (PO#83270) pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice#2968 (PO#83270) pdf.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:3932

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\Invoice#2968 (PO#83270) pdf.exe.log

Filesize
1KB

MD5
27ddd0570ed445448bd21f842d95de9a

SHA1
309c3d8986b7aab1298b97a82ee830c244040ad6

SHA256
cb1e0630cc219962d2aaff5d9bf69c4197c7a5c7d080a6409b368eb417ab0e90

SHA512
6e4eee130d20ef2b5909582c0b727b7097dce9600414a363cfffb79fddecd5ccbca9518a8bd040b5a2293ee3d08bf37a4a4c1126ff56dbc9b136c1d312769a85

Download Submit
memory/680-10-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/680-1-0x00000000008C0000-0x0000000000994000-memory.dmp

Filesize
848KB

Download
memory/680-3-0x00000000053B0000-0x0000000005442000-memory.dmp

Filesize
584KB

Download
memory/680-4-0x00000000054A0000-0x00000000057F4000-memory.dmp

Filesize
3.3MB

Download
memory/680-5-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/680-6-0x0000000005480000-0x000000000548A000-memory.dmp

Filesize
40KB

Download
memory/680-7-0x00000000069A0000-0x0000000006A6A000-memory.dmp

Filesize
808KB

Download
memory/680-11-0x0000000002C30000-0x0000000002CBE000-memory.dmp

Filesize
568KB

Download
memory/680-9-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/680-0-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/680-8-0x0000000006A70000-0x0000000006A8E000-memory.dmp

Filesize
120KB

Download
memory/680-12-0x000000000DD30000-0x000000000DDCC000-memory.dmp

Filesize
624KB

Download
memory/680-17-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/680-2-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/3932-16-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/3932-13-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3932-18-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/3932-19-0x0000000006F80000-0x0000000007142000-memory.dmp

Filesize
1.8MB

Download
memory/3932-20-0x0000000006E20000-0x0000000006E70000-memory.dmp

Filesize
320KB

Download
memory/3932-21-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download

Analysis

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