vipkeylogger | bbe441a67af04282d87e40898166376a887851fcd6a3e50f508803df093b6fe6

Analysis

max time kernel
146s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 08:06

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General

Target

Dysacousma41.exe
Size

434KB
MD5

02a5a0361a38b5a36c8317be6ec623b5
SHA1

067a07a59f89c2a5f20ab5faedeb8d8ae4435351
SHA256

bbe441a67af04282d87e40898166376a887851fcd6a3e50f508803df093b6fe6
SHA512

78aa7dd3184a0382f49c04bfa511f198d4c7656bc0590bdb7bd61c58c65de8950db5796477a1c160d2da1177e9bef6a0fcde2959845e133b3f43b70dad27ee11
SSDEEP

12288:bch2Fb931uBrzSXrxLOHf7N5yUBFdwyx9fag6vA:bqVBvSXrxLOH5wgFdxyrvA

Score

10^/10

vipkeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.strakonltd.co.ug
Port:
587
Username:
[email protected]
Password:
Moreblessings@26
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

Loads dropped DLL 2 IoCs

Processes:

Dysacousma41.exe

pid	Process
376	Dysacousma41.exe
376	Dysacousma41.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Dysacousma41.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dysacousma41.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dysacousma41.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dysacousma41.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

Processes:

flow	ioc
19	drive.google.com
20	drive.google.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow	ioc
31	checkip.dyndns.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

Dysacousma41.exe

pid	Process
4796	Dysacousma41.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

Dysacousma41.exeDysacousma41.exe

pid	Process
376	Dysacousma41.exe
4796	Dysacousma41.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Dysacousma41.exe

description	pid	Process	procid_target
PID 376 set thread context of 4796	376	Dysacousma41.exe	89

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 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

Processes:

Dysacousma41.exeDysacousma41.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dysacousma41.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dysacousma41.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Dysacousma41.exe

pid	Process
4796	Dysacousma41.exe
4796	Dysacousma41.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

Dysacousma41.exe

pid	Process
376	Dysacousma41.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Dysacousma41.exe

description	pid	Process
Token: SeDebugPrivilege	4796	Dysacousma41.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

Dysacousma41.exe

description	pid	Process	procid_target
PID 376 wrote to memory of 4796	376	Dysacousma41.exe	89
PID 376 wrote to memory of 4796	376	Dysacousma41.exe	89
PID 376 wrote to memory of 4796	376	Dysacousma41.exe	89
PID 376 wrote to memory of 4796	376	Dysacousma41.exe	89
PID 376 wrote to memory of 4796	376	Dysacousma41.exe	89

outlook_office_path 1 IoCs

Processes:

Dysacousma41.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dysacousma41.exe

outlook_win_path 1 IoCs

Processes:

Dysacousma41.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dysacousma41.exe

C:\Users\Admin\AppData\Local\Temp\Dysacousma41.exe
"C:\Users\Admin\AppData\Local\Temp\Dysacousma41.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:376
- C:\Users\Admin\AppData\Local\Temp\Dysacousma41.exe
  "C:\Users\Admin\AppData\Local\Temp\Dysacousma41.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsl94EE.tmp\System.dll

Filesize
11KB

MD5
17ed1c86bd67e78ade4712be48a7d2bd

SHA1
1cc9fe86d6d6030b4dae45ecddce5907991c01a0

SHA256
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

SHA512
0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

Download Submit
memory/376-12-0x0000000077771000-0x0000000077891000-memory.dmp

Filesize
1.1MB

Download
memory/376-13-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/4796-14-0x0000000077771000-0x0000000077891000-memory.dmp

Filesize
1.1MB

Download
memory/4796-15-0x00000000777F8000-0x00000000777F9000-memory.dmp

Filesize
4KB

Download
memory/4796-16-0x0000000077815000-0x0000000077816000-memory.dmp

Filesize
4KB

Download
memory/4796-29-0x0000000000460000-0x00000000016B4000-memory.dmp

Filesize
18.3MB

Download
memory/4796-31-0x0000000077771000-0x0000000077891000-memory.dmp

Filesize
1.1MB

Download
memory/4796-30-0x0000000000460000-0x00000000016B4000-memory.dmp

Filesize
18.3MB

Download
memory/4796-32-0x000000007266E000-0x000000007266F000-memory.dmp

Filesize
4KB

Download
memory/4796-33-0x0000000000460000-0x00000000004A8000-memory.dmp

Filesize
288KB

Download
memory/4796-34-0x000000003A440000-0x000000003A9E4000-memory.dmp

Filesize
5.6MB

Download
memory/4796-35-0x0000000037ED0000-0x0000000037F6C000-memory.dmp

Filesize
624KB

Download
memory/4796-36-0x0000000072660000-0x0000000072E10000-memory.dmp

Filesize
7.7MB

Download
memory/4796-38-0x0000000077771000-0x0000000077891000-memory.dmp

Filesize
1.1MB

Download
memory/4796-39-0x000000007266E000-0x000000007266F000-memory.dmp

Filesize
4KB

Download
memory/4796-40-0x0000000072660000-0x0000000072E10000-memory.dmp

Filesize
7.7MB

Download
memory/4796-41-0x000000003ADD0000-0x000000003AF92000-memory.dmp

Filesize
1.8MB

Download
memory/4796-42-0x000000003AFA0000-0x000000003AFF0000-memory.dmp

Filesize
320KB

Download
memory/4796-44-0x000000003B060000-0x000000003B0F2000-memory.dmp

Filesize
584KB

Download
memory/4796-45-0x000000003B130000-0x000000003B13A000-memory.dmp

Filesize
40KB

Download