vipkeylogger | b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e

General

Target

b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe
Size

77.0MB
MD5

d4f40910302d717a436b72e3acb3b9b4
SHA1

fcb3a4723dceea6d8c41245805e8f5a2027865c3
SHA256

b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e
SHA512

f552f142eb6a5fc93bf32465cec8c50fd8313f41aa957cae633cb13cb345bc22d0391b5bbfd7478797d1857019d21c7a5d3429039e3e4e87750750dc12812f43
SSDEEP

24576:jtb20pkaCqT5TBWgNQ7azo8bMwaMXx4fD/J6A:gVg5tQ7azoCMwaMit5

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2828 set thread context of 2836	2828	b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe	30

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	b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2836	svchost.exe
2836	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2828	b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2828	b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe
2828	b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2828	b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe
2828	b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2836	2828	b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe	30
PID 2828 wrote to memory of 2836	2828	b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe	30
PID 2828 wrote to memory of 2836	2828	b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe	30
PID 2828 wrote to memory of 2836	2828	b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe	30
PID 2828 wrote to memory of 2836	2828	b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe
"C:\Users\Admin\AppData\Local\Temp\b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\b5428c2846d67943664a3dacc23f81d79eb72840c0af0e335de6726b42a2b27e.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:2836

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

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Downloads

memory/2828-6-0x0000000000B70000-0x0000000000F70000-memory.dmp

Filesize
4.0MB

Download
memory/2836-7-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2836-9-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2836-10-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2836-11-0x0000000073FCE000-0x0000000073FCF000-memory.dmp

Filesize
4KB

Download
memory/2836-12-0x0000000000C30000-0x0000000000C7E000-memory.dmp

Filesize
312KB

Download
memory/2836-13-0x0000000073FC0000-0x00000000746AE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-14-0x0000000000C80000-0x0000000000CCE000-memory.dmp

Filesize
312KB

Download
memory/2836-15-0x0000000073FC0000-0x00000000746AE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-16-0x0000000073FC0000-0x00000000746AE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-17-0x0000000073FCE000-0x0000000073FCF000-memory.dmp

Filesize
4KB

Download
memory/2836-18-0x0000000073FC0000-0x00000000746AE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-19-0x0000000073FC0000-0x00000000746AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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