vipkeylogger | f3530f9d52d1ba3ed70cc5d603cf0a83771027cda5fd545206e1688589ef69fd

General

Target

FACT0987789000900.exe
Size

626KB
MD5

e4da22458c317595e4bd6712b4728d36
SHA1

111a5c4cbd45bced7c04cbeb5192a9afe178865c
SHA256

f3530f9d52d1ba3ed70cc5d603cf0a83771027cda5fd545206e1688589ef69fd
SHA512

b19d9eb5e06834538e8ca5e8655e360b56d63c8ad67441607279c18a848d46a6095b6cbe7019fc79eba784392278e30134e7aef149d0e12964d0b86ecd08dc1d
SSDEEP

12288:ROv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPifIl4AbNfoQ+MvFE7v44OzNRlwDmt:Rq5TfcdHj4fmbMo3Jhuv44O5fwY

Score

10^/10

vipkeylogger collection discovery keylogger stealer upx

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\juvenile.vbs	juvenile.exe

Executes dropped EXE 1 IoCs

pid	Process
3012	juvenile.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	FACT0987789000900.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.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

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/3012-16-0x0000000001260000-0x00000000013CA000-memory.dmp	autoit_exe
behavioral1/memory/2380-15-0x00000000011B0000-0x000000000131A000-memory.dmp	autoit_exe
behavioral1/memory/3012-31-0x0000000001260000-0x00000000013CA000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 3048	3012	juvenile.exe	32

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2380-0-0x00000000011B0000-0x000000000131A000-memory.dmp	upx
behavioral1/files/0x0008000000016d68-9.dat	upx
behavioral1/memory/2380-11-0x00000000029F0000-0x0000000002B5A000-memory.dmp	upx
behavioral1/memory/3012-16-0x0000000001260000-0x00000000013CA000-memory.dmp	upx
behavioral1/memory/2380-15-0x00000000011B0000-0x000000000131A000-memory.dmp	upx
behavioral1/memory/3012-31-0x0000000001260000-0x00000000013CA000-memory.dmp	upx

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 3 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	juvenile.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FACT0987789000900.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3048	svchost.exe
3048	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3012	juvenile.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2380	FACT0987789000900.exe
2380	FACT0987789000900.exe
3012	juvenile.exe
3012	juvenile.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2380	FACT0987789000900.exe
2380	FACT0987789000900.exe
3012	juvenile.exe
3012	juvenile.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 3012	2380	FACT0987789000900.exe	31
PID 2380 wrote to memory of 3012	2380	FACT0987789000900.exe	31
PID 2380 wrote to memory of 3012	2380	FACT0987789000900.exe	31
PID 2380 wrote to memory of 3012	2380	FACT0987789000900.exe	31
PID 3012 wrote to memory of 3048	3012	juvenile.exe	32
PID 3012 wrote to memory of 3048	3012	juvenile.exe	32
PID 3012 wrote to memory of 3048	3012	juvenile.exe	32
PID 3012 wrote to memory of 3048	3012	juvenile.exe	32
PID 3012 wrote to memory of 3048	3012	juvenile.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\FACT0987789000900.exe
"C:\Users\Admin\AppData\Local\Temp\FACT0987789000900.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\thixolabile\juvenile.exe
  "C:\Users\Admin\AppData\Local\Temp\FACT0987789000900.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - 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:3012
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\FACT0987789000900.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:3048

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

\Users\Admin\AppData\Local\thixolabile\juvenile.exe

Filesize
626KB

MD5
e4da22458c317595e4bd6712b4728d36

SHA1
111a5c4cbd45bced7c04cbeb5192a9afe178865c

SHA256
f3530f9d52d1ba3ed70cc5d603cf0a83771027cda5fd545206e1688589ef69fd

SHA512
b19d9eb5e06834538e8ca5e8655e360b56d63c8ad67441607279c18a848d46a6095b6cbe7019fc79eba784392278e30134e7aef149d0e12964d0b86ecd08dc1d

Download Submit
memory/2380-7-0x0000000000A90000-0x0000000000E90000-memory.dmp

Filesize
4.0MB

Download
memory/2380-11-0x00000000029F0000-0x0000000002B5A000-memory.dmp

Filesize
1.4MB

Download
memory/2380-0-0x00000000011B0000-0x000000000131A000-memory.dmp

Filesize
1.4MB

Download
memory/2380-15-0x00000000011B0000-0x000000000131A000-memory.dmp

Filesize
1.4MB

Download
memory/3012-31-0x0000000001260000-0x00000000013CA000-memory.dmp

Filesize
1.4MB

Download
memory/3012-16-0x0000000001260000-0x00000000013CA000-memory.dmp

Filesize
1.4MB

Download
memory/3012-25-0x0000000000680000-0x0000000000A80000-memory.dmp

Filesize
4.0MB

Download
memory/3048-34-0x0000000000A00000-0x0000000000A50000-memory.dmp

Filesize
320KB

Download
memory/3048-29-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3048-32-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3048-33-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/3048-27-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/3048-35-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/3048-36-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/3048-37-0x0000000000D50000-0x0000000000D9E000-memory.dmp

Filesize
312KB

Download
memory/3048-38-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/3048-39-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/3048-40-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/3048-41-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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