guloader | 9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b

General

Target

9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
Size

716KB
MD5

63ce02a569206d96b1e6a611b4d756e2
SHA1

de89c101d0b1701daa00048bc54bed319e0f535f
SHA256

9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b
SHA512

ad694430085fa9c7104bc12b8fdb6c0f93cc4cb968d6c0f93b719258f2bb70166d57f39a893ad9f52386690473760131e402e2928c09496407849ab0976251f1
SSDEEP

12288:7rgjBLiIK2WVy/YqpuL9uOUqTHF3WORPvJ2ugcYEjMwcT/hXmmwMRzcLSIHMqX:70jBiIK2R/5puhuTqbFNpnVMwkXjZcWi

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

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

Loads dropped DLL 2 IoCs

Processes:

9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

pid	process
4268	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
4268	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

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

Web Service
T1102

Processes:

flow ioc

17 drive.google.com
18 drive.google.com
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

pid process

4160 9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

flow	ioc
17	drive.google.com
18	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

pid	process
4268	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
4160	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

description	pid	process	target process
PID 4268 set thread context of 4160	4268	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4724 4160 WerFault.exe 9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

pid	pid_target	process	target process
4724	4160	WerFault.exe	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.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:

9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

pid	process
4160	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
4160	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

pid process

4268 9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

description	pid	process	target process
PID 4268 wrote to memory of 4160	4268	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
PID 4268 wrote to memory of 4160	4268	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
PID 4268 wrote to memory of 4160	4268	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
PID 4268 wrote to memory of 4160	4268	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
PID 4268 wrote to memory of 4160	4268	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe	9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe

C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
"C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.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:4268
- C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe
  "C:\Users\Admin\AppData\Local\Temp\9d118e57cb67114168ba111349bea057a3263dde14b3ad71c2a5c26a0b2ee28b.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 1060
    3⤵
    - Program crash
    PID:4724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4160 -ip 4160
1⤵
PID:1936

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

C:\Users\Admin\AppData\Local\Temp\nshCA08.tmp\System.dll

Filesize
12KB

MD5
dd87a973e01c5d9f8e0fcc81a0af7c7a

SHA1
c9206ced48d1e5bc648b1d0f54cccc18bf643a14

SHA256
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1

SHA512
4910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f

Download Submit
memory/4160-37-0x0000000077361000-0x0000000077481000-memory.dmp

Filesize
1.1MB

Download
memory/4160-39-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4160-35-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4160-36-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4160-17-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4160-19-0x0000000001660000-0x0000000002706000-memory.dmp

Filesize
16.6MB

Download
memory/4160-20-0x00000000773E8000-0x00000000773E9000-memory.dmp

Filesize
4KB

Download
memory/4160-21-0x0000000077405000-0x0000000077406000-memory.dmp

Filesize
4KB

Download
memory/4160-43-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4160-34-0x0000000001660000-0x0000000002706000-memory.dmp

Filesize
16.6MB

Download
memory/4160-42-0x0000000001660000-0x0000000002706000-memory.dmp

Filesize
16.6MB

Download
memory/4160-41-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4160-38-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4160-40-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4268-15-0x0000000077361000-0x0000000077481000-memory.dmp

Filesize
1.1MB

Download
memory/4268-14-0x0000000003190000-0x0000000004236000-memory.dmp

Filesize
16.6MB

Download
memory/4268-18-0x0000000003190000-0x0000000004236000-memory.dmp

Filesize
16.6MB

Download
memory/4268-16-0x0000000074805000-0x0000000074806000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads