vipkeylogger | 3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8

General

Target

3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.exe
Size

634KB
MD5

80a64f0b8df55d637e135f0eb4fb6b70
SHA1

f491fc184d0f15d789e81577e47446478c10ed53
SHA256

3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8
SHA512

f2604fc98d1ed6959b4a42ef442cac15919ebb1b26f7516fa0ca782c639d035c7f5c0f599511e87246338a959be4e5104ff98e3df4bb7ab78b50389784e83432
SSDEEP

12288:ZOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPiaqooGCQemOT6I0FGk9x:Zq5TfcdHj4fmbGG53OF0Nx

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\demonetised.vbs	demonetised.exe

Executes dropped EXE 1 IoCs

pid	Process
3724	demonetised.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\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
14	checkip.dyndns.org
16	reallyfreegeoip.org
17	reallyfreegeoip.org

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1264-13-0x0000000000640000-0x00000000007AF000-memory.dmp	autoit_exe
behavioral2/memory/3724-33-0x00000000004D0000-0x000000000063F000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3724 set thread context of 1500	3724	demonetised.exe	84

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1264-0-0x0000000000640000-0x00000000007AF000-memory.dmp	upx
behavioral2/files/0x0007000000023c9c-10.dat	upx
behavioral2/memory/3724-14-0x00000000004D0000-0x000000000063F000-memory.dmp	upx
behavioral2/memory/1264-13-0x0000000000640000-0x00000000007AF000-memory.dmp	upx
behavioral2/memory/3724-33-0x00000000004D0000-0x000000000063F000-memory.dmp	upx

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2276	3724	WerFault.exe	83

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	demonetised.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1500	svchost.exe
1500	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3724	demonetised.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1500	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1264	3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.exe
1264	3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.exe
3724	demonetised.exe
3724	demonetised.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1264	3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.exe
1264	3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.exe
3724	demonetised.exe
3724	demonetised.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 3724	1264	3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.exe	83
PID 1264 wrote to memory of 3724	1264	3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.exe	83
PID 1264 wrote to memory of 3724	1264	3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.exe	83
PID 3724 wrote to memory of 1500	3724	demonetised.exe	84
PID 3724 wrote to memory of 1500	3724	demonetised.exe	84
PID 3724 wrote to memory of 1500	3724	demonetised.exe	84
PID 3724 wrote to memory of 1500	3724	demonetised.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.exe
"C:\Users\Admin\AppData\Local\Temp\3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Users\Admin\AppData\Local\inhumate\demonetised.exe
  "C:\Users\Admin\AppData\Local\Temp\3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.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:3724
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8.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:1500
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 732
    3⤵
    - Program crash
    PID:2276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3724 -ip 3724
1⤵
PID:4760

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\inhumate\demonetised.exe

Filesize
634KB

MD5
80a64f0b8df55d637e135f0eb4fb6b70

SHA1
f491fc184d0f15d789e81577e47446478c10ed53

SHA256
3fc9afa49fa31f495a7792c38b6087609438625ec5073383483d7d1411c7cec8

SHA512
f2604fc98d1ed6959b4a42ef442cac15919ebb1b26f7516fa0ca782c639d035c7f5c0f599511e87246338a959be4e5104ff98e3df4bb7ab78b50389784e83432

Download Submit
memory/1264-7-0x0000000000C00000-0x0000000001000000-memory.dmp

Filesize
4.0MB

Download
memory/1264-0-0x0000000000640000-0x00000000007AF000-memory.dmp

Filesize
1.4MB

Download
memory/1264-13-0x0000000000640000-0x00000000007AF000-memory.dmp

Filesize
1.4MB

Download
memory/1500-27-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1500-35-0x00000000069F0000-0x0000000006BB2000-memory.dmp

Filesize
1.8MB

Download
memory/1500-24-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1500-25-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1500-26-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1500-39-0x0000000006990000-0x000000000699A000-memory.dmp

Filesize
40KB

Download
memory/1500-28-0x000000007459E000-0x000000007459F000-memory.dmp

Filesize
4KB

Download
memory/1500-29-0x0000000005440000-0x0000000005490000-memory.dmp

Filesize
320KB

Download
memory/1500-30-0x0000000005DB0000-0x0000000006354000-memory.dmp

Filesize
5.6MB

Download
memory/1500-31-0x0000000005500000-0x000000000554E000-memory.dmp

Filesize
312KB

Download
memory/1500-32-0x0000000005800000-0x000000000589C000-memory.dmp

Filesize
624KB

Download
memory/1500-38-0x0000000006BC0000-0x0000000006C52000-memory.dmp

Filesize
584KB

Download
memory/1500-34-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1500-37-0x000000007459E000-0x000000007459F000-memory.dmp

Filesize
4KB

Download
memory/1500-36-0x0000000006890000-0x00000000068E0000-memory.dmp

Filesize
320KB

Download
memory/3724-22-0x0000000001450000-0x0000000001850000-memory.dmp

Filesize
4.0MB

Download
memory/3724-33-0x00000000004D0000-0x000000000063F000-memory.dmp

Filesize
1.4MB

Download
memory/3724-14-0x00000000004D0000-0x000000000063F000-memory.dmp

Filesize
1.4MB

Download

Analysis

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