vipkeylogger | b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea

Analysis

max time kernel
119s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2025, 02:59

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General

Target

b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe
Size

766KB
MD5

245c4d3a899092760b21b3bd44d3aca2
SHA1

0e36e09bfae68d6ba5a671668eccfd2ded99c776
SHA256

b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea
SHA512

a2c627adea14bd687915a48e47529635f58625529f12af3766177683ff73fe681b26c0d33ff3f6722fe201c6d34cd71da3304f3143891a9e058ed9d03916f4af
SSDEEP

12288:0Mr8I0MdYeXY/e1ApfXEnCTzX75mkIQIadeBYilF3YDHFBSukOS19gC76sgFAjku:0MrbxRqfXZ75m16emiX3OlBSuaJLsord

Score

10^/10

vipkeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

https://api.telegram.org/bot7305300476:AAEUtST2qu1J2LKdbC6Wuf8pKunuBNKtYtk/sendMessage?chat_id=6750192797

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 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2696	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Control Panel\International\Geo\Nation	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
32	checkip.dyndns.org
34	reallyfreegeoip.org
35	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1652 set thread context of 540	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	98

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 4 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.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
4612	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe
1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe
2696	powershell.exe
540	MSBuild.exe
2696	powershell.exe
540	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	540	MSBuild.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 2696	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	94
PID 1652 wrote to memory of 2696	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	94
PID 1652 wrote to memory of 2696	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	94
PID 1652 wrote to memory of 4612	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	96
PID 1652 wrote to memory of 4612	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	96
PID 1652 wrote to memory of 4612	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	96
PID 1652 wrote to memory of 540	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	98
PID 1652 wrote to memory of 540	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	98
PID 1652 wrote to memory of 540	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	98
PID 1652 wrote to memory of 540	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	98
PID 1652 wrote to memory of 540	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	98
PID 1652 wrote to memory of 540	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	98
PID 1652 wrote to memory of 540	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	98
PID 1652 wrote to memory of 540	1652	b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe
"C:\Users\Admin\AppData\Local\Temp\b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NjlsFpztigKJe.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NjlsFpztigKJe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD2B1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4612
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rjdr0ync.3tq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD2B1.tmp

Filesize
1KB

MD5
e8a30a7f06862e8cfee5644c53607ebc

SHA1
e74943cdce532c7323c52f46a41bf668a537f982

SHA256
a93385a932ef3a59fe5ac5967cd70440cff22e64ce5710ebfacce3defa329e91

SHA512
911b0fd5714dae37486b8f33269c1f656dfcb9534ac3a5c9a918ed7f7fb5016c9d8d29f6c324bc3c8d44fb20d96975e0fdef8427fdd3e0c9c56ff783de089ff5

Download Submit
memory/540-68-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/540-23-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/540-20-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/540-37-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/540-66-0x00000000066C0000-0x0000000006882000-memory.dmp

Filesize
1.8MB

Download
memory/540-67-0x0000000006540000-0x0000000006590000-memory.dmp

Filesize
320KB

Download
memory/1652-5-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/1652-9-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/1652-10-0x0000000006300000-0x000000000638E000-memory.dmp

Filesize
568KB

Download
memory/1652-8-0x000000007513E000-0x000000007513F000-memory.dmp

Filesize
4KB

Download
memory/1652-7-0x00000000069C0000-0x00000000069D8000-memory.dmp

Filesize
96KB

Download
memory/1652-6-0x0000000005080000-0x000000000508A000-memory.dmp

Filesize
40KB

Download
memory/1652-4-0x0000000005160000-0x00000000051FC000-memory.dmp

Filesize
624KB

Download
memory/1652-3-0x00000000050B0000-0x0000000005142000-memory.dmp

Filesize
584KB

Download
memory/1652-2-0x0000000005710000-0x0000000005CB4000-memory.dmp

Filesize
5.6MB

Download
memory/1652-0-0x000000007513E000-0x000000007513F000-memory.dmp

Filesize
4KB

Download
memory/1652-1-0x0000000000700000-0x00000000007C4000-memory.dmp

Filesize
784KB

Download
memory/1652-24-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/2696-31-0x0000000004CD0000-0x0000000004D36000-memory.dmp

Filesize
408KB

Download
memory/2696-54-0x0000000007560000-0x0000000007BDA000-memory.dmp

Filesize
6.5MB

Download
memory/2696-21-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/2696-32-0x00000000055C0000-0x0000000005626000-memory.dmp

Filesize
408KB

Download
memory/2696-18-0x0000000004E20000-0x0000000005448000-memory.dmp

Filesize
6.2MB

Download
memory/2696-38-0x0000000005730000-0x0000000005A84000-memory.dmp

Filesize
3.3MB

Download
memory/2696-39-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

Filesize
120KB

Download
memory/2696-40-0x0000000005C20000-0x0000000005C6C000-memory.dmp

Filesize
304KB

Download
memory/2696-52-0x00000000061C0000-0x00000000061DE000-memory.dmp

Filesize
120KB

Download
memory/2696-42-0x0000000070B60000-0x0000000070BAC000-memory.dmp

Filesize
304KB

Download
memory/2696-41-0x00000000061E0000-0x0000000006212000-memory.dmp

Filesize
200KB

Download
memory/2696-53-0x0000000006DE0000-0x0000000006E83000-memory.dmp

Filesize
652KB

Download
memory/2696-55-0x0000000006F20000-0x0000000006F3A000-memory.dmp

Filesize
104KB

Download
memory/2696-25-0x0000000004C30000-0x0000000004C52000-memory.dmp

Filesize
136KB

Download
memory/2696-56-0x0000000006F90000-0x0000000006F9A000-memory.dmp

Filesize
40KB

Download
memory/2696-57-0x00000000071A0000-0x0000000007236000-memory.dmp

Filesize
600KB

Download
memory/2696-58-0x0000000007120000-0x0000000007131000-memory.dmp

Filesize
68KB

Download
memory/2696-60-0x0000000007160000-0x0000000007174000-memory.dmp

Filesize
80KB

Download
memory/2696-59-0x0000000007150000-0x000000000715E000-memory.dmp

Filesize
56KB

Download
memory/2696-61-0x0000000007260000-0x000000000727A000-memory.dmp

Filesize
104KB

Download
memory/2696-62-0x0000000007240000-0x0000000007248000-memory.dmp

Filesize
32KB

Download
memory/2696-65-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/2696-19-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/2696-17-0x0000000075130000-0x00000000758E0000-memory.dmp

Filesize
7.7MB

Download
memory/2696-15-0x0000000002330000-0x0000000002366000-memory.dmp

Filesize
216KB

Download