vipkeylogger | 924f984282e8cdcc20d74a26af3f94488c0a5a22c153dd6ed1f6b5e4deaac1f2

General

Target

payment reciept.pdf.exe
Size

507KB
MD5

0517a7b49af5d833776cff01c762dd3e
SHA1

4ae94d61c16cca31050d0cbe1a4a739610a242be
SHA256

924f984282e8cdcc20d74a26af3f94488c0a5a22c153dd6ed1f6b5e4deaac1f2
SHA512

ed2325f5d7c2d765a1cf208533862354ea8321e6b0a34c274bbd530445457498e613e37316f0ed7c71038d4461c3b52169236da642d0aca38562502ef42ae73c
SSDEEP

12288:HYV6MorX7qzuC3QHO9FQVHPF51jgcHiy+rJxPYXq:UBXu9HGaVH4rJ0q

Score

10^/10

vipkeylogger collection discovery keylogger stealer upx

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
aa209bmt
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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Fonda.vbs	Fonda.exe

Executes dropped EXE 1 IoCs

pid	Process
2076	Fonda.exe

Loads dropped DLL 1 IoCs

pid	Process
1996	payment reciept.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

AutoIT Executable 5 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1996-12-0x0000000000F30000-0x000000000105B000-memory.dmp	autoit_exe
behavioral1/memory/1996-20-0x0000000000F30000-0x000000000105B000-memory.dmp	autoit_exe
behavioral1/memory/2076-21-0x0000000001030000-0x000000000115B000-memory.dmp	autoit_exe
behavioral1/memory/2076-36-0x0000000000BF0000-0x0000000000FF0000-memory.dmp	autoit_exe
behavioral1/memory/2076-44-0x0000000001030000-0x000000000115B000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2076 set thread context of 2816	2076	Fonda.exe	32

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1996-0-0x0000000000F30000-0x000000000105B000-memory.dmp	upx
behavioral1/memory/1996-12-0x0000000000F30000-0x000000000105B000-memory.dmp	upx
behavioral1/files/0x000700000001658c-14.dat	upx
behavioral1/memory/1996-16-0x0000000002A50000-0x0000000002B7B000-memory.dmp	upx
behavioral1/memory/1996-20-0x0000000000F30000-0x000000000105B000-memory.dmp	upx
behavioral1/memory/2076-21-0x0000000001030000-0x000000000115B000-memory.dmp	upx
behavioral1/memory/2076-44-0x0000000001030000-0x000000000115B000-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	Fonda.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	payment reciept.pdf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2816	RegSvcs.exe
2816	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2076	Fonda.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1996	payment reciept.pdf.exe
1996	payment reciept.pdf.exe
2076	Fonda.exe
2076	Fonda.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1996	payment reciept.pdf.exe
1996	payment reciept.pdf.exe
2076	Fonda.exe
2076	Fonda.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2076	1996	payment reciept.pdf.exe	31
PID 1996 wrote to memory of 2076	1996	payment reciept.pdf.exe	31
PID 1996 wrote to memory of 2076	1996	payment reciept.pdf.exe	31
PID 1996 wrote to memory of 2076	1996	payment reciept.pdf.exe	31
PID 2076 wrote to memory of 2816	2076	Fonda.exe	32
PID 2076 wrote to memory of 2816	2076	Fonda.exe	32
PID 2076 wrote to memory of 2816	2076	Fonda.exe	32
PID 2076 wrote to memory of 2816	2076	Fonda.exe	32
PID 2076 wrote to memory of 2816	2076	Fonda.exe	32
PID 2076 wrote to memory of 2816	2076	Fonda.exe	32
PID 2076 wrote to memory of 2816	2076	Fonda.exe	32
PID 2076 wrote to memory of 2816	2076	Fonda.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\payment reciept.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\payment reciept.pdf.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\robustuous\Fonda.exe
  "C:\Users\Admin\AppData\Local\Temp\payment reciept.pdf.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:2076
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\payment reciept.pdf.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:2816

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\Temp\fascinatress

Filesize
56KB

MD5
4c4dd961fc31b29cc8b49f1bc2d140cb

SHA1
cfdc576168d7383d9d08e5838bee4d0957e22833

SHA256
5a7d43d0de5d6d88be2ed17b88431b8946b83b5cedb72886e4aae91a73014485

SHA512
97763d096a043646be1b7429c1aaa5d8c40ecbae262dc8963483b112b2ae154f791e5c08bfd59a34cbb748ea3f0ed166c8a70ff5031cccec33a9ef8e2eb5a650

Download Submit
\Users\Admin\AppData\Local\robustuous\Fonda.exe

Filesize
507KB

MD5
0517a7b49af5d833776cff01c762dd3e

SHA1
4ae94d61c16cca31050d0cbe1a4a739610a242be

SHA256
924f984282e8cdcc20d74a26af3f94488c0a5a22c153dd6ed1f6b5e4deaac1f2

SHA512
ed2325f5d7c2d765a1cf208533862354ea8321e6b0a34c274bbd530445457498e613e37316f0ed7c71038d4461c3b52169236da642d0aca38562502ef42ae73c

Download Submit
memory/1996-12-0x0000000000F30000-0x000000000105B000-memory.dmp

Filesize
1.2MB

Download
memory/1996-16-0x0000000002A50000-0x0000000002B7B000-memory.dmp

Filesize
1.2MB

Download
memory/1996-20-0x0000000000F30000-0x000000000105B000-memory.dmp

Filesize
1.2MB

Download
memory/1996-0-0x0000000000F30000-0x000000000105B000-memory.dmp

Filesize
1.2MB

Download
memory/2076-36-0x0000000000BF0000-0x0000000000FF0000-memory.dmp

Filesize
4.0MB

Download
memory/2076-21-0x0000000001030000-0x000000000115B000-memory.dmp

Filesize
1.2MB

Download
memory/2076-44-0x0000000001030000-0x000000000115B000-memory.dmp

Filesize
1.2MB

Download
memory/2816-38-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2816-40-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2816-42-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2816-45-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/2816-46-0x00000000744F0000-0x0000000074BDE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-47-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/2816-48-0x00000000744F0000-0x0000000074BDE000-memory.dmp

Filesize
6.9MB

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Analysis

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