vipkeylogger | 3f9ac29a06c3a7145971c352ecc386b94dc13be8b479d09c920f36e20f6b1b41

General

Target

TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe
Size

624KB
MD5

037b9dc9d5bee07e111173cbe87624b4
SHA1

881d8ba41c222c0ff9ee96dab3e954417da6c34f
SHA256

3f9ac29a06c3a7145971c352ecc386b94dc13be8b479d09c920f36e20f6b1b41
SHA512

5fc5c3794ff87db5d13e2b93c5805f4b17c23aff7d4f348a7634206f88d3814f479d9a73a157e8f01823facf5e70dea831a8725d45171b5e1164397ce2a08433
SSDEEP

12288:OPbTRt0NTO1JKbMDrZrVW+RLV//TSrSv9GDa0YN7vuAwmqG8kL:ybTniTOHmWr5Uq+rSoEduAwmNx

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.htcp.homes
Port:
587
Username:
[email protected]
Password:
7213575aceACE@@
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	msbuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	msbuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	msbuild.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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 872 set thread context of 3740	872	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	84

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 1 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	msbuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3740	msbuild.exe
3740	msbuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3740	msbuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 872 wrote to memory of 3740	872	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	84
PID 872 wrote to memory of 3740	872	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	84
PID 872 wrote to memory of 3740	872	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	84
PID 872 wrote to memory of 3740	872	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	84
PID 872 wrote to memory of 3740	872	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	84
PID 872 wrote to memory of 3740	872	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	84
PID 872 wrote to memory of 3740	872	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	84
PID 872 wrote to memory of 3740	872	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	84
PID 872 wrote to memory of 1076	872	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	85
PID 872 wrote to memory of 1076	872	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	85
PID 872 wrote to memory of 1076	872	TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	msbuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	msbuild.exe

C:\Users\Admin\AppData\Local\Temp\TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\TEKLFSTE-TUSATRKHAVACILIKUZAYSANAY_xlsx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:872
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.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:3740
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:1076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/872-1-0x000001EDD3CE0000-0x000001EDD3D80000-memory.dmp

Filesize
640KB

Download
memory/872-0-0x00007FFFC1E73000-0x00007FFFC1E75000-memory.dmp

Filesize
8KB

Download
memory/872-2-0x000001EDD5A50000-0x000001EDD5AEC000-memory.dmp

Filesize
624KB

Download
memory/872-3-0x00007FFFC1E70000-0x00007FFFC2931000-memory.dmp

Filesize
10.8MB

Download
memory/872-9-0x00007FFFC1E70000-0x00007FFFC2931000-memory.dmp

Filesize
10.8MB

Download
memory/3740-8-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3740-6-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/3740-7-0x00000000059A0000-0x0000000005A3C000-memory.dmp

Filesize
624KB

Download
memory/3740-5-0x000000007530E000-0x000000007530F000-memory.dmp

Filesize
4KB

Download
memory/3740-4-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3740-10-0x0000000006DB0000-0x0000000006F72000-memory.dmp

Filesize
1.8MB

Download
memory/3740-11-0x0000000006C50000-0x0000000006CA0000-memory.dmp

Filesize
320KB

Download
memory/3740-12-0x000000007530E000-0x000000007530F000-memory.dmp

Filesize
4KB

Download
memory/3740-13-0x0000000075300000-0x0000000075AB0000-memory.dmp

Filesize
7.7MB

Download
memory/3740-14-0x0000000006F80000-0x0000000007012000-memory.dmp

Filesize
584KB

Download
memory/3740-15-0x0000000006D60000-0x0000000006D6A000-memory.dmp

Filesize
40KB

Download

Analysis

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