guloader | 422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e

Analysis

max time kernel
144s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 02:35

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General

Target

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
Size

684KB
MD5

679962fd58f49f4d2f57a70a60aa287d
SHA1

3e3a3e5bc5e49ab7212e5ae5f340dd820fccd643
SHA256

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e
SHA512

597a1678322ade7c14d1181b9a2e4e09a7a9f841d5c2f3f0e0e64c40801eec25112dca1c5eaf53834dd1fdf8f5003f69d64e6cf5dd4ea46e42c73018690d4348
SSDEEP

12288:aMwa4IgEP4mLbAcLit9eIAnZ21gvG4nwNtsgw3PgAeeVhGctb7U:aMwa4BEP3Qc+t9eIAnEgB2Mobej7U

Score

10^/10

guloader vipkeylogger collection discovery downloader keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.foodex.com.pk
Port:
587
Username:
[email protected]
Password:
wajahat1975

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.foodex.com.pk
Port:
587
Username:
[email protected]
Password:
wajahat1975
Email To:
[email protected]

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
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 1 IoCs

Processes:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

pid process

728 422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.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:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

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

23 checkip.dyndns.org

flow	ioc
23	checkip.dyndns.org

Drops file in System32 directory 1 IoCs

Processes:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\diskussionsklubbens.ini	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

pid process

4996 422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

pid	process
728	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
4996	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

description	pid	process	target process
PID 728 set thread context of 4996	728	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

Drops file in Windows directory 1 IoCs

Processes:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

description	ioc	process
File opened for modification	C:\Windows\resources\0409\mooktar\julekaktussers.ini	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

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:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

pid	process
4996	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
4996	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

pid process

728 422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

description pid process

Token: SeDebugPrivilege 4996 422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

description	pid	process
Token: SeDebugPrivilege	4996	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

description	pid	process	target process
PID 728 wrote to memory of 4996	728	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
PID 728 wrote to memory of 4996	728	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
PID 728 wrote to memory of 4996	728	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
PID 728 wrote to memory of 4996	728	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
PID 728 wrote to memory of 4996	728	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

outlook_office_path 1 IoCs

Processes:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

outlook_win_path 1 IoCs

Processes:

422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe

C:\Users\Admin\AppData\Local\Temp\422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
"C:\Users\Admin\AppData\Local\Temp\422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:728
- C:\Users\Admin\AppData\Local\Temp\422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.exe
  "C:\Users\Admin\AppData\Local\Temp\422ea7c485f3c82c72b2adf62961cb61ded05226ceb12ec503bccba25e23886e.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:4996

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

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsp9E64.tmp\System.dll

Filesize
12KB

MD5
564bb0373067e1785cba7e4c24aab4bf

SHA1
7c9416a01d821b10b2eef97b80899d24014d6fc1

SHA256
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

SHA512
22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

Download Submit
memory/728-12-0x0000000003280000-0x00000000042AA000-memory.dmp

Filesize
16.2MB

Download
memory/728-13-0x0000000077CC1000-0x0000000077DE1000-memory.dmp

Filesize
1.1MB

Download
memory/728-14-0x00000000749B5000-0x00000000749B6000-memory.dmp

Filesize
4KB

Download
memory/728-15-0x0000000003280000-0x00000000042AA000-memory.dmp

Filesize
16.2MB

Download
memory/4996-16-0x00000000016C0000-0x00000000026EA000-memory.dmp

Filesize
16.2MB

Download
memory/4996-17-0x0000000077D48000-0x0000000077D49000-memory.dmp

Filesize
4KB

Download
memory/4996-18-0x0000000077D65000-0x0000000077D66000-memory.dmp

Filesize
4KB

Download
memory/4996-22-0x0000000000460000-0x00000000016B4000-memory.dmp

Filesize
18.3MB

Download
memory/4996-23-0x0000000077CC1000-0x0000000077DE1000-memory.dmp

Filesize
1.1MB

Download
memory/4996-24-0x0000000000460000-0x00000000004AA000-memory.dmp

Filesize
296KB

Download
memory/4996-25-0x0000000035480000-0x0000000035A24000-memory.dmp

Filesize
5.6MB

Download
memory/4996-26-0x0000000035A30000-0x0000000035ACC000-memory.dmp

Filesize
624KB

Download
memory/4996-27-0x00000000016C0000-0x00000000026EA000-memory.dmp

Filesize
16.2MB

Download
memory/4996-29-0x0000000035F20000-0x00000000360E2000-memory.dmp

Filesize
1.8MB

Download
memory/4996-30-0x0000000036110000-0x0000000036160000-memory.dmp

Filesize
320KB

Download
memory/4996-31-0x00000000361F0000-0x000000003671C000-memory.dmp

Filesize
5.2MB

Download
memory/4996-33-0x0000000036770000-0x0000000036802000-memory.dmp

Filesize
584KB

Download
memory/4996-34-0x0000000036860000-0x000000003686A000-memory.dmp

Filesize
40KB

Download