guloader | 4b68dccffb6601d78041a03d53b92fc1a29f9300a0b3af086be054895172cb17

Analysis

max time kernel
181s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
09/05/2023, 19:30

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General

Target

M810107.exe
Size

168KB
MD5

c2e9eeed123e767722b9c6d98f6669d3
SHA1

4db6f259a29564c8a57b8af23ab4f48cdb74989e
SHA256

4b68dccffb6601d78041a03d53b92fc1a29f9300a0b3af086be054895172cb17
SHA512

1b41dedc441ffe31e2a269a170f980f54d585100bc9d1e585bea6d1da1757809d404d33b232177d321a0d882e39cf9834c2f470c7383093cb231a2ad32116856
SSDEEP

3072:EwJ52Y7ZoH5XJaqKz8HIoLmMRmWzjDROnhkOZoaF80hqt2xVsXXJGhbc09VLM4LY:EwHysqKzL8AMjEdbhHVWEhhVdLY

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2044	M810107.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\Cedre\Mecometer.Smr	M810107.exe

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

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\M810107.exe
"C:\Users\Admin\AppData\Local\Temp\M810107.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
PID:2044
- C:\Users\Admin\AppData\Local\Temp\M810107.exe
  "C:\Users\Admin\AppData\Local\Temp\M810107.exe"
  2⤵
  PID:1368

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsjB740.tmp\System.dll

Filesize
11KB

MD5
a436db0c473a087eb61ff5c53c34ba27

SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506

SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

Download Submit
memory/1368-67-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/2044-66-0x0000000004810000-0x00000000052B6000-memory.dmp

Filesize
10.6MB

Download