guloader | e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499

General

Target

e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
Size

705KB
MD5

7f034d74fd582f0ffd88cfc6695a9126
SHA1

fb1c4e6042918c6ece74b0e349c177aeb41d2b36
SHA256

e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499
SHA512

f825204778f5a5985b0b9fefbaae117708bc2efd5576cca0cbafa1a58484eb952309954b634e9ad7af229bc3d6a4b721e43456e08dd550125220fb80bc4ca028
SSDEEP

12288:fTkuHDduR2Bqj82jeCCixMncA+XPiHmcrsQKnsk2axTs5:fTRogAfCBiSnc7XPiGc1qxTs5

Score

10^/10

guloader vipkeylogger discovery downloader keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7511877228:AAEfdtsXiYLhmN4YbL4GOCHPaqlvykB-alc/sendMessage?chat_id=7534008929

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:

e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

pid process

2828 e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

3 drive.google.com
5 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

14 checkip.dyndns.org
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

pid process

2672 e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

flow	ioc
3	drive.google.com
5	drive.google.com

flow	ioc
14	checkip.dyndns.org

pid	process
2672	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exee6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

pid	process
2828	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
2672	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

description	pid	process	target process
PID 2828 set thread context of 2672	2828	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

Drops file in Windows directory 1 IoCs

Processes:

e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

description ioc process

File opened for modification C:\Windows\Kernelder\nyxis.ini e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\Kernelder\nyxis.ini	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

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:

e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exee6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

pid process

2672 e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

pid process

2828 e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

description pid process

Token: SeDebugPrivilege 2672 e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

pid	process
2672	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

description	pid	process
Token: SeDebugPrivilege	2672	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

description	pid	process	target process
PID 2828 wrote to memory of 2672	2828	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
PID 2828 wrote to memory of 2672	2828	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
PID 2828 wrote to memory of 2672	2828	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
PID 2828 wrote to memory of 2672	2828	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
PID 2828 wrote to memory of 2672	2828	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
PID 2828 wrote to memory of 2672	2828	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe	e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe

C:\Users\Admin\AppData\Local\Temp\e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
"C:\Users\Admin\AppData\Local\Temp\e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe"
1⤵
- Loads dropped DLL
- 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:2828
- C:\Users\Admin\AppData\Local\Temp\e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe
  "C:\Users\Admin\AppData\Local\Temp\e6b24cb9922fe56244d646022d97de3a75310765e15b9e0b89c24ad89280c499.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nst64DC.tmp\System.dll

Filesize
11KB

MD5
75ed96254fbf894e42058062b4b4f0d1

SHA1
996503f1383b49021eb3427bc28d13b5bbd11977

SHA256
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

SHA512
58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

Download Submit
memory/2672-14-0x0000000077080000-0x0000000077229000-memory.dmp

Filesize
1.7MB

Download
memory/2672-37-0x0000000000480000-0x00000000014E2000-memory.dmp

Filesize
16.4MB

Download
memory/2672-38-0x0000000000480000-0x00000000014E2000-memory.dmp

Filesize
16.4MB

Download
memory/2672-39-0x0000000000480000-0x00000000004C8000-memory.dmp

Filesize
288KB

Download
memory/2828-10-0x0000000004030000-0x0000000005C7F000-memory.dmp

Filesize
28.3MB

Download
memory/2828-12-0x0000000077080000-0x0000000077229000-memory.dmp

Filesize
1.7MB

Download
memory/2828-11-0x0000000077081000-0x0000000077182000-memory.dmp

Filesize
1.0MB

Download
memory/2828-13-0x0000000004030000-0x0000000005C7F000-memory.dmp

Filesize
28.3MB

Download
memory/2828-15-0x0000000004030000-0x0000000005C7F000-memory.dmp

Filesize
28.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads