guloader | 081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9

General

Target

081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe
Size

544KB
MD5

8ee0889bf7428589385714250950d97d
SHA1

c373041de5f626e6718ea7fad3f143215b34ebc6
SHA256

081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9
SHA512

9f91fad6dbf4cd5555db47ed3400745586be462dd900563dc27e0ada8942caf02ff762df59c44251dc6796dd0f3c7224de1485226125a95150ed7edcbe8e8d3b
SSDEEP

12288:32EIB9TC1qfE+63h27diGoWaCuvQTmd3ZhZt:3wDT8qs+2hCiG5axvGmdPZt

Score

10^/10

guloader vipkeylogger discovery downloader keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.cipmach.com
Port:
587
Username:
[email protected]
Password:
mail@2019$
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:

081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

pid	Process
2956	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.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
6	checkip.dyndns.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

pid	Process
2764	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

pid	Process
2956	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe
2764	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

description	pid	Process	procid_target
PID 2956 set thread context of 2764	2956	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe	31

Drops file in Windows directory 1 IoCs

Processes:

081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\slnger\barometerstandenes.san	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

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:

081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

pid	Process
2764	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

pid	Process
2956	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

description	pid	Process
Token: SeDebugPrivilege	2764	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe

description	pid	Process	procid_target
PID 2956 wrote to memory of 2764	2956	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe	31
PID 2956 wrote to memory of 2764	2956	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe	31
PID 2956 wrote to memory of 2764	2956	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe	31
PID 2956 wrote to memory of 2764	2956	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe	31
PID 2956 wrote to memory of 2764	2956	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe	31
PID 2956 wrote to memory of 2764	2956	081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe	31

C:\Users\Admin\AppData\Local\Temp\081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe
"C:\Users\Admin\AppData\Local\Temp\081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.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:2956
- C:\Users\Admin\AppData\Local\Temp\081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe
  "C:\Users\Admin\AppData\Local\Temp\081a1704ac4a8de63a1deb76c232fbe383e911ff566d34ee39a76605600182a9.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2764

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

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsjF114.tmp\System.dll

Filesize
11KB

MD5
75ed96254fbf894e42058062b4b4f0d1

SHA1
996503f1383b49021eb3427bc28d13b5bbd11977

SHA256
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

SHA512
58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

Download Submit
memory/2764-14-0x00000000007E0000-0x0000000001842000-memory.dmp

Filesize
16.4MB

Download
memory/2764-15-0x00000000007E0000-0x0000000001842000-memory.dmp

Filesize
16.4MB

Download
memory/2764-16-0x00000000007E0000-0x000000000082A000-memory.dmp

Filesize
296KB

Download
memory/2956-9-0x0000000003390000-0x00000000065CC000-memory.dmp

Filesize
50.2MB

Download
memory/2956-10-0x00000000777B1000-0x00000000778B2000-memory.dmp

Filesize
1.0MB

Download
memory/2956-11-0x00000000777B0000-0x0000000077959000-memory.dmp

Filesize
1.7MB

Download
memory/2956-12-0x0000000003390000-0x00000000065CC000-memory.dmp

Filesize
50.2MB

Download
memory/2956-13-0x0000000003390000-0x00000000065CC000-memory.dmp

Filesize
50.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads