vipkeylogger | 1fa03ffa990685dcc676b8706fd5ef7246de2c18b97c14d882ee25b0d130955e

General

Target

Halkbank Ekstre.pdf.exe
Size

854KB
MD5

843f8757da04e0c033d219e17ca2109d
SHA1

9931f04fba177026099278dc26464d4208ac4d59
SHA256

1fa03ffa990685dcc676b8706fd5ef7246de2c18b97c14d882ee25b0d130955e
SHA512

1876034dfe7a0778fff64cee8fad025d37971c38eab9b56442959d5231cf17a070e46515194da2bf8a2c31e02cc3022710b14a0ee53ac3c7fbe0d880393a2284
SSDEEP

12288:ZQRgIO8DfhQ0G5qUWB1aJX4KzAibxVR/HlbwShkeUr9P33NHOMfYa1T:ZOjfh6qK4Kcib/b/4PH9OkT

Score

10^/10

vipkeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
kashmirestore.com
Port:
21
Username:
[email protected]
Password:
c%P+6,(]YFvP

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2764	powershell.exe
2888	powershell.exe

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank Ekstre.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank Ekstre.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank Ekstre.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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2112 set thread context of 2784	2112	Halkbank Ekstre.pdf.exe	37

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	Halkbank Ekstre.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Halkbank Ekstre.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2784	Halkbank Ekstre.pdf.exe
2888	powershell.exe
2764	powershell.exe
2784	Halkbank Ekstre.pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	Halkbank Ekstre.pdf.exe
Token: SeDebugPrivilege	2888	powershell.exe
Token: SeDebugPrivilege	2764	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2764	2112	Halkbank Ekstre.pdf.exe	31
PID 2112 wrote to memory of 2764	2112	Halkbank Ekstre.pdf.exe	31
PID 2112 wrote to memory of 2764	2112	Halkbank Ekstre.pdf.exe	31
PID 2112 wrote to memory of 2764	2112	Halkbank Ekstre.pdf.exe	31
PID 2112 wrote to memory of 2888	2112	Halkbank Ekstre.pdf.exe	33
PID 2112 wrote to memory of 2888	2112	Halkbank Ekstre.pdf.exe	33
PID 2112 wrote to memory of 2888	2112	Halkbank Ekstre.pdf.exe	33
PID 2112 wrote to memory of 2888	2112	Halkbank Ekstre.pdf.exe	33
PID 2112 wrote to memory of 2748	2112	Halkbank Ekstre.pdf.exe	35
PID 2112 wrote to memory of 2748	2112	Halkbank Ekstre.pdf.exe	35
PID 2112 wrote to memory of 2748	2112	Halkbank Ekstre.pdf.exe	35
PID 2112 wrote to memory of 2748	2112	Halkbank Ekstre.pdf.exe	35
PID 2112 wrote to memory of 2784	2112	Halkbank Ekstre.pdf.exe	37
PID 2112 wrote to memory of 2784	2112	Halkbank Ekstre.pdf.exe	37
PID 2112 wrote to memory of 2784	2112	Halkbank Ekstre.pdf.exe	37
PID 2112 wrote to memory of 2784	2112	Halkbank Ekstre.pdf.exe	37
PID 2112 wrote to memory of 2784	2112	Halkbank Ekstre.pdf.exe	37
PID 2112 wrote to memory of 2784	2112	Halkbank Ekstre.pdf.exe	37
PID 2112 wrote to memory of 2784	2112	Halkbank Ekstre.pdf.exe	37
PID 2112 wrote to memory of 2784	2112	Halkbank Ekstre.pdf.exe	37
PID 2112 wrote to memory of 2784	2112	Halkbank Ekstre.pdf.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank Ekstre.pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Halkbank Ekstre.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.pdf.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2764
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uAHDaCgpWpsogA.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2888
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uAHDaCgpWpsogA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1516.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2748
- C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Halkbank Ekstre.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:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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 Information Discovery

1

T1082

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\Temp\tmp1516.tmp

Filesize
1KB

MD5
c05bf6fdaed058284081fb6d048d8ed0

SHA1
a9e1f5bcb064e2b3942bb4fb5c73865ff81988a0

SHA256
b391ae4c628e693ea06c9723a67798d9de45e643b3882e05ab78c57e5cc9aed5

SHA512
152dca53b080d832688a492addabfff4c6a4f94e094e4c28b6202d00be66966123e3c1be94dd595139eb9429381b1f72637da4efc40c3f128ab60eb71ec94ec5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
97f89594c3f538dfc892b1106b875aa0

SHA1
4eeaa10a4b9a46f14bd87439357378c8b6f81498

SHA256
aa020c91c2cf6bdeb9ebe94a787b8d411ba8fdffced48935452b170af374222a

SHA512
ed6e89cd9a8c8ed7e57f439d8925876bd75cbfda6d81e6769051df207ce860a18fe1e33c29a22c7f7888c150f5d2eb2528ce35e488d39cc698342fc6789bb148

Download Submit
memory/2112-4-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2112-32-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2112-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-6-0x0000000000900000-0x000000000098E000-memory.dmp

Filesize
568KB

Download
memory/2112-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-1-0x0000000000EF0000-0x0000000000FCC000-memory.dmp

Filesize
880KB

Download
memory/2112-3-0x0000000000340000-0x0000000000366000-memory.dmp

Filesize
152KB

Download
memory/2784-29-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-21-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-23-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-31-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-28-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-25-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2784-19-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads