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
2872	juvenile.exe

Loads dropped DLL 1 IoCs

pid	Process
2876	FACT0987789000900.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\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 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2876-15-0x0000000000C60000-0x0000000000DCA000-memory.dmp	autoit_exe
behavioral1/memory/2872-31-0x0000000000D60000-0x0000000000ECA000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2872 set thread context of 2812	2872	juvenile.exe	31

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2876-0-0x0000000000C60000-0x0000000000DCA000-memory.dmp	upx
behavioral1/files/0x0008000000015f7b-9.dat	upx
behavioral1/memory/2872-16-0x0000000000D60000-0x0000000000ECA000-memory.dmp	upx
behavioral1/memory/2876-15-0x0000000000C60000-0x0000000000DCA000-memory.dmp	upx
behavioral1/memory/2872-31-0x0000000000D60000-0x0000000000ECA000-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	FACT0987789000900.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	juvenile.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2812	svchost.exe
2812	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2872	juvenile.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2876	FACT0987789000900.exe
2876	FACT0987789000900.exe
2872	juvenile.exe
2872	juvenile.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2876	FACT0987789000900.exe
2876	FACT0987789000900.exe
2872	juvenile.exe
2872	juvenile.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2872	2876	FACT0987789000900.exe	30
PID 2876 wrote to memory of 2872	2876	FACT0987789000900.exe	30
PID 2876 wrote to memory of 2872	2876	FACT0987789000900.exe	30
PID 2876 wrote to memory of 2872	2876	FACT0987789000900.exe	30
PID 2872 wrote to memory of 2812	2872	juvenile.exe	31
PID 2872 wrote to memory of 2812	2872	juvenile.exe	31
PID 2872 wrote to memory of 2812	2872	juvenile.exe	31
PID 2872 wrote to memory of 2812	2872	juvenile.exe	31
PID 2872 wrote to memory of 2812	2872	juvenile.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\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:2876
- 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:2872
- - 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:2812

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

C:\Users\Admin\AppData\Local\Temp\retrofits

Filesize
203KB

MD5
1de0de821cdc7ed14ff1bfd93026db40

SHA1
fb5ab1b9e9414a01a2dbcd484f83fcb3c16d64da

SHA256
f45668dcacb906045aceab063720f682868d9a411dd9e646e5a6fc8067b37eb5

SHA512
d9d7f29d65a4fc4541fd9f753b19d0ecb6c359cfa84352def53cd26df21f8c3ee002de834d587793b6dbe5743b147378bfe4c9860ce36989c04cb1d5a4ee2f02

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

Filesize
626KB

MD5
e4da22458c317595e4bd6712b4728d36

SHA1
111a5c4cbd45bced7c04cbeb5192a9afe178865c

SHA256
f3530f9d52d1ba3ed70cc5d603cf0a83771027cda5fd545206e1688589ef69fd

SHA512
b19d9eb5e06834538e8ca5e8655e360b56d63c8ad67441607279c18a848d46a6095b6cbe7019fc79eba784392278e30134e7aef149d0e12964d0b86ecd08dc1d

Download Submit
memory/2812-39-0x00000000740BE000-0x00000000740BF000-memory.dmp

Filesize
4KB

Download
memory/2812-34-0x0000000000540000-0x0000000000590000-memory.dmp

Filesize
320KB

Download
memory/2812-38-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2812-37-0x0000000000AE0000-0x0000000000B2E000-memory.dmp

Filesize
312KB

Download
memory/2812-40-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2812-36-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2812-27-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2812-32-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2812-35-0x00000000740B0000-0x000000007479E000-memory.dmp

Filesize
6.9MB

Download
memory/2812-29-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2812-33-0x00000000740BE000-0x00000000740BF000-memory.dmp

Filesize
4KB

Download
memory/2872-31-0x0000000000D60000-0x0000000000ECA000-memory.dmp

Filesize
1.4MB

Download
memory/2872-25-0x0000000001060000-0x0000000001460000-memory.dmp

Filesize
4.0MB

Download
memory/2872-16-0x0000000000D60000-0x0000000000ECA000-memory.dmp

Filesize
1.4MB

Download
memory/2876-0-0x0000000000C60000-0x0000000000DCA000-memory.dmp

Filesize
1.4MB

Download
memory/2876-15-0x0000000000C60000-0x0000000000DCA000-memory.dmp

Filesize
1.4MB

Download
memory/2876-11-0x0000000002A70000-0x0000000002BDA000-memory.dmp

Filesize
1.4MB

Download
memory/2876-7-0x0000000000FA0000-0x00000000013A0000-memory.dmp

Filesize
4.0MB

Download

Analysis

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