vipkeylogger | df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400

Analysis

max time kernel
93s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2025, 15:02

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General

Target

documentpdf.exe
Size

742KB
MD5

c67b6ff2d472bf82dc4da545dbc37a43
SHA1

c5e677e5e48d5ca965b6e2d3f0c8b56fb80e7be5
SHA256

df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400
SHA512

69ba6f8e9e99f09a669ae875412af6bcb87dd649161e8e725be05c9db2ce8fe20da88de509cd9208a427b93172caeb94ed588efa5697eb0ebf5fe262d8943e11
SSDEEP

12288:74doaeS+/ZgdvAC+O8DzxPzNjZGtypP2q2PEexgQNqaCBCrRKNr6sj9Gn:EdFeSTdv+O8vxPzNjUtE7280RNqaLrMc

Score

10^/10

vipkeylogger discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
wVCMFq@2wVCMFq@2
Email To:
[email protected]

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

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
18	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4656 set thread context of 3236	4656	documentpdf.exe	93

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2312	4656	WerFault.exe	82
1732	3236	WerFault.exe	93

System Location Discovery: System Language Discovery 1 TTPs 2 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	documentpdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	documentpdf.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3236	documentpdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3236	documentpdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 3236	4656	documentpdf.exe	93
PID 4656 wrote to memory of 3236	4656	documentpdf.exe	93
PID 4656 wrote to memory of 3236	4656	documentpdf.exe	93
PID 4656 wrote to memory of 3236	4656	documentpdf.exe	93
PID 4656 wrote to memory of 3236	4656	documentpdf.exe	93
PID 4656 wrote to memory of 3236	4656	documentpdf.exe	93
PID 4656 wrote to memory of 3236	4656	documentpdf.exe	93
PID 4656 wrote to memory of 3236	4656	documentpdf.exe	93

C:\Users\Admin\AppData\Local\Temp\documentpdf.exe
"C:\Users\Admin\AppData\Local\Temp\documentpdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Users\Admin\AppData\Local\Temp\documentpdf.exe
  "C:\Users\Admin\AppData\Local\Temp\documentpdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 1488
    3⤵
    - Program crash
    PID:1732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 1204
  2⤵
  - Program crash
  PID:2312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4656 -ip 4656
1⤵
PID:548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3236 -ip 3236
1⤵
PID:3684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\documentpdf.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3236-11-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3236-17-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3236-15-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/3236-14-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4656-4-0x00000000050D0000-0x00000000050DA000-memory.dmp

Filesize
40KB

Download
memory/4656-6-0x0000000005370000-0x000000000540C000-memory.dmp

Filesize
624KB

Download
memory/4656-7-0x0000000005350000-0x0000000005364000-memory.dmp

Filesize
80KB

Download
memory/4656-8-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/4656-9-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4656-10-0x0000000006920000-0x00000000069AE000-memory.dmp

Filesize
568KB

Download
memory/4656-5-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4656-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

Filesize
4KB

Download
memory/4656-3-0x00000000050F0000-0x0000000005182000-memory.dmp

Filesize
584KB

Download
memory/4656-2-0x00000000055C0000-0x0000000005B64000-memory.dmp

Filesize
5.6MB

Download
memory/4656-16-0x0000000074F20000-0x00000000756D0000-memory.dmp

Filesize
7.7MB

Download
memory/4656-1-0x0000000000760000-0x0000000000820000-memory.dmp

Filesize
768KB

Download