vipkeylogger | 449b00d6aca53af24c348bcc96efc782ab99222a23abc9f15b4e4dd08844b802

General

Target

Po-5865A.exe
Size

372KB
MD5

b6cc16fae7d4f3ce14186b64a470bf8b
SHA1

f12cad09a8680cfdad9b917a65f14a62e1d24ee1
SHA256

0f4ab8526c11090dbf09fd353384e14cf3af8c40646fb7cd67810feda230bae0
SHA512

462ee669d6d8b83d15c8075dbb598677671d2c024341bf6813229a09a9d587a0b73386c96c96f0c5092a6d14e6175c120e43e43289b014477b38033a4b92bb2d
SSDEEP

6144:D3mVSTcqfFrDOJfSLTJfJQ/zOjffRzF1wwJrDA0gbSyZDSQOwfPnRjH/Zc3Ys+q1:YSrt+K/JRzF1wwJrDA0gbfcEfvRjBcPu

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7925978922:AAECifW4bGh1utN6hfeEFfhRG36owOqQd_I/sendMessage?chat_id=7373943284

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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Po-5865A.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Po-5865A.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Po-5865A.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
5	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4932 set thread context of 4768	4932	Po-5865A.exe	83

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	Po-5865A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Po-5865A.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4768	Po-5865A.exe
4768	Po-5865A.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4768	Po-5865A.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 4768	4932	Po-5865A.exe	83
PID 4932 wrote to memory of 4768	4932	Po-5865A.exe	83
PID 4932 wrote to memory of 4768	4932	Po-5865A.exe	83
PID 4932 wrote to memory of 4768	4932	Po-5865A.exe	83
PID 4932 wrote to memory of 4768	4932	Po-5865A.exe	83
PID 4932 wrote to memory of 4768	4932	Po-5865A.exe	83
PID 4932 wrote to memory of 4768	4932	Po-5865A.exe	83
PID 4932 wrote to memory of 4768	4932	Po-5865A.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Po-5865A.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Po-5865A.exe

C:\Users\Admin\AppData\Local\Temp\Po-5865A.exe
"C:\Users\Admin\AppData\Local\Temp\Po-5865A.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Users\Admin\AppData\Local\Temp\Po-5865A.exe
  "C:\Users\Admin\AppData\Local\Temp\Po-5865A.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:4768

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

memory/4768-13-0x00000000069A0000-0x0000000006B62000-memory.dmp

Filesize
1.8MB

Download
memory/4768-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4768-9-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4768-17-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4768-8-0x0000000005390000-0x000000000542C000-memory.dmp

Filesize
624KB

Download
memory/4768-16-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4768-15-0x00000000070A0000-0x00000000075CC000-memory.dmp

Filesize
5.2MB

Download
memory/4768-10-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4768-14-0x0000000006820000-0x0000000006870000-memory.dmp

Filesize
320KB

Download
memory/4932-5-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4932-4-0x00000000054B0000-0x00000000054BA000-memory.dmp

Filesize
40KB

Download
memory/4932-12-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4932-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/4932-2-0x00000000058D0000-0x0000000005E74000-memory.dmp

Filesize
5.6MB

Download
memory/4932-6-0x00000000054C0000-0x0000000005510000-memory.dmp

Filesize
320KB

Download
memory/4932-1-0x0000000000930000-0x0000000000994000-memory.dmp

Filesize
400KB

Download
memory/4932-3-0x00000000053C0000-0x0000000005452000-memory.dmp

Filesize
584KB

Download

Analysis

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