vipkeylogger | ad1a0a9c4c3b793b318582c7728f6ee6acfaaae173315289ed54195532b87d24

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2025, 09:53

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General

Target

DHL-OVERDUEACCOUNTLETTER-1300711528.exe
Size

1.5MB
MD5

7aada00b5da56b8eedc6fd00b21c807f
SHA1

098a0d99c9206a5f79e063324dad2e76b73eb4e6
SHA256

ad1a0a9c4c3b793b318582c7728f6ee6acfaaae173315289ed54195532b87d24
SHA512

a871a77b4cf9ac53afb5ccfa90ff3bf73d331d30beb0be8708312ad5a99b074d61bb37a3a1550c795147b1f7ebae72ff522245111995098a808ef72043c9330c
SSDEEP

49152:65L8bD60eDmmZWFTKnIdWLP3zC/jxnWPy6kZvw:m5BDG/tWK6Ow

Score

10^/10

vipkeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

https://api.telegram.org/bot7552206830:AAGZUrvJgSRgT_tfVCG5NR-NdC35UuRR1yg/sendMessage?chat_id=6357516296

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2448 created 3316	2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe	55

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\TypeId.vbs	DHL-OVERDUEACCOUNTLETTER-1300711528.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.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
26	checkip.dyndns.org
31	reallyfreegeoip.org
32	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2448 set thread context of 3472	2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe	94

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	DHL-OVERDUEACCOUNTLETTER-1300711528.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe
2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe
2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe
3472	InstallUtil.exe
3472	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe
Token: SeDebugPrivilege	2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe
Token: SeDebugPrivilege	3472	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 3472	2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe	94
PID 2448 wrote to memory of 3472	2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe	94
PID 2448 wrote to memory of 3472	2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe	94
PID 2448 wrote to memory of 3472	2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe	94
PID 2448 wrote to memory of 3472	2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe	94
PID 2448 wrote to memory of 3472	2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe	94
PID 2448 wrote to memory of 3472	2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe	94
PID 2448 wrote to memory of 3472	2448	DHL-OVERDUEACCOUNTLETTER-1300711528.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3181990009-820930284-137514597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3316
- C:\Users\Admin\AppData\Local\Temp\DHL-OVERDUEACCOUNTLETTER-1300711528.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL-OVERDUEACCOUNTLETTER-1300711528.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops startup file
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2448
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:3472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2448-0-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/2448-1-0x0000000000B50000-0x0000000000CDE000-memory.dmp

Filesize
1.6MB

Download
memory/2448-2-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2448-3-0x0000000005E10000-0x0000000005F1C000-memory.dmp

Filesize
1.0MB

Download
memory/2448-15-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-21-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-61-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-67-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-65-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-63-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-59-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-57-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-55-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-53-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-52-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-49-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-47-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-45-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-43-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-41-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-39-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-37-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-35-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-33-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-31-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-29-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-27-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-25-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-24-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-19-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-17-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-13-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-11-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-9-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-5-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-4-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-7-0x0000000005E10000-0x0000000005F16000-memory.dmp

Filesize
1.0MB

Download
memory/2448-1326-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2448-1327-0x0000000005F90000-0x0000000005FF6000-memory.dmp

Filesize
408KB

Download
memory/2448-1328-0x0000000006200000-0x0000000006262000-memory.dmp

Filesize
392KB

Download
memory/2448-1329-0x0000000006260000-0x00000000062AC000-memory.dmp

Filesize
304KB

Download
memory/2448-1330-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/2448-1331-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2448-1332-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2448-1333-0x00000000069B0000-0x0000000006F54000-memory.dmp

Filesize
5.6MB

Download
memory/2448-1334-0x00000000062B0000-0x0000000006304000-memory.dmp

Filesize
336KB

Download
memory/2448-1341-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2448-1343-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2448-1344-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/3472-1346-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/3472-1345-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3472-1347-0x00000000049B0000-0x0000000004A4C000-memory.dmp

Filesize
624KB

Download
memory/3472-1348-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/3472-1349-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/3472-1350-0x0000000005DA0000-0x0000000005F62000-memory.dmp

Filesize
1.8MB

Download
memory/3472-1351-0x0000000005C40000-0x0000000005C90000-memory.dmp

Filesize
320KB

Download
memory/3472-1352-0x0000000005F70000-0x0000000006002000-memory.dmp

Filesize
584KB

Download
memory/3472-1353-0x0000000005D50000-0x0000000005D5A000-memory.dmp

Filesize
40KB

Download