vipkeylogger | e3c81d02ea9f4168e60e8d6b41230245bfbaed8a67b9f23f7fe00ffb4931ce19

General

Target

Order.exe
Size

937KB
MD5

7c3912191704f3a0a58729d74692b44f
SHA1

ceb7aa5e86b0136d1d4bdf8a595238fcccd3d757
SHA256

e3c81d02ea9f4168e60e8d6b41230245bfbaed8a67b9f23f7fe00ffb4931ce19
SHA512

c86d30c70373f9aaa6fbe4da5c33150ee35fb3e2377ab6d38e741a6838fee12092bec53446918101c70f3cc447fe1656ac4fc424f220e4071c71e283c2de2997
SSDEEP

24576:OiUmSB/o5d1ubcvq/XgV9CxFnwXjJBt72exIT1P:O/mU/ohubcvq/XgVkFnUtiea

Score

10^/10

vipkeylogger collection discovery keylogger stealer upx

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot6820629737:AAGJ8tOkoD9jFHkd_L1kG1ntQ1J6zLhFsMc/sendMessage?chat_id=6783205225

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\nasal.vbs	nasal.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	nasal.exe

Loads dropped DLL 1 IoCs

pid	Process
2880	Order.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
2	checkip.dyndns.org

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2792-12-0x0000000000300000-0x0000000000501000-memory.dmp	autoit_exe
behavioral1/memory/2880-10-0x0000000001110000-0x0000000001311000-memory.dmp	autoit_exe
behavioral1/memory/2792-25-0x0000000000300000-0x0000000000501000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2492	2792	nasal.exe	31

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2880-0-0x0000000001110000-0x0000000001311000-memory.dmp	upx
behavioral1/files/0x0008000000016d70-5.dat	upx
behavioral1/memory/2792-12-0x0000000000300000-0x0000000000501000-memory.dmp	upx
behavioral1/memory/2880-10-0x0000000001110000-0x0000000001311000-memory.dmp	upx
behavioral1/memory/2792-25-0x0000000000300000-0x0000000000501000-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	nasal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Order.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2492	RegSvcs.exe
2492	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2792	nasal.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2880	Order.exe
2880	Order.exe
2792	nasal.exe
2792	nasal.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2880	Order.exe
2880	Order.exe
2792	nasal.exe
2792	nasal.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2792	2880	Order.exe	30
PID 2880 wrote to memory of 2792	2880	Order.exe	30
PID 2880 wrote to memory of 2792	2880	Order.exe	30
PID 2880 wrote to memory of 2792	2880	Order.exe	30
PID 2792 wrote to memory of 2492	2792	nasal.exe	31
PID 2792 wrote to memory of 2492	2792	nasal.exe	31
PID 2792 wrote to memory of 2492	2792	nasal.exe	31
PID 2792 wrote to memory of 2492	2792	nasal.exe	31
PID 2792 wrote to memory of 2492	2792	nasal.exe	31
PID 2792 wrote to memory of 2492	2792	nasal.exe	31
PID 2792 wrote to memory of 2492	2792	nasal.exe	31
PID 2792 wrote to memory of 2492	2792	nasal.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Order.exe
"C:\Users\Admin\AppData\Local\Temp\Order.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Local\Keily\nasal.exe
  "C:\Users\Admin\AppData\Local\Temp\Order.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:2792
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\Order.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:2492

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\Keily\nasal.exe

Filesize
937KB

MD5
7c3912191704f3a0a58729d74692b44f

SHA1
ceb7aa5e86b0136d1d4bdf8a595238fcccd3d757

SHA256
e3c81d02ea9f4168e60e8d6b41230245bfbaed8a67b9f23f7fe00ffb4931ce19

SHA512
c86d30c70373f9aaa6fbe4da5c33150ee35fb3e2377ab6d38e741a6838fee12092bec53446918101c70f3cc447fe1656ac4fc424f220e4071c71e283c2de2997

Download Submit
memory/2492-26-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2492-27-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2492-30-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2492-29-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2492-19-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2492-24-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2492-22-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2792-12-0x0000000000300000-0x0000000000501000-memory.dmp

Filesize
2.0MB

Download
memory/2792-17-0x0000000002BF0000-0x0000000002CF0000-memory.dmp

Filesize
1024KB

Download
memory/2792-25-0x0000000000300000-0x0000000000501000-memory.dmp

Filesize
2.0MB

Download
memory/2880-3-0x0000000002720000-0x0000000002820000-memory.dmp

Filesize
1024KB

Download
memory/2880-0-0x0000000001110000-0x0000000001311000-memory.dmp

Filesize
2.0MB

Download
memory/2880-28-0x0000000002E10000-0x0000000003011000-memory.dmp

Filesize
2.0MB

Download
memory/2880-10-0x0000000001110000-0x0000000001311000-memory.dmp

Filesize
2.0MB

Download
memory/2880-11-0x0000000002E10000-0x0000000003011000-memory.dmp

Filesize
2.0MB

Download

Analysis

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