guloader | e91bfe70067328c9a591c2d5af2edd9c35b8266b6478f9b66332080df1de5c8e

Resubmissions

11/10/2022, 21:50

221011-1qah4agacq 10

11/10/2022, 19:59

11/10/2022, 19:33

11/10/2022, 19:30

11/10/2022, 17:12

11/10/2022, 17:06

Analysis

max time kernel
1737s
max time network
1757s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 17:12

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Report Analysis Logs

General

Target

quote.exe
Size

310KB
MD5

bd8e7774e8a6ecb128344f67a186de29
SHA1

bb8f6320dbbe179952aefed8ad37678a97385c8c
SHA256

4d98cc89b7f976334ec2df4964679ae40ce2efa5e0ea93e44a88cd832e122daf
SHA512

28663d4fc87dc2c4c529b3ea8a27fc8f2c38bf34600ae1ff594da428fbb140cb2dab31ec219a75ed3814b74f0a7c64d03d48fc5aee451a2faf1dfcb27dba1069
SSDEEP

6144:xB+pqUQLU87hsR0qW6IqiQ928gJzoQRT0uAg67asMexycpMFX59F7MfZUSi2XxKL:xgKL2i0uAxasM2W55D4f+xOVn4uoF

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
4940	quote.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 2 IoCs

description	ioc	Process
File created	C:\Windows\resources\0409\telefoncomputerens\Freespace\Tnkest.lnk	quote.exe
File opened for modification	C:\Windows\resources\0409\Metage\Jansi\Koensfordeling.Kat	quote.exe

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

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\quote.exe
"C:\Users\Admin\AppData\Local\Temp\quote.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
PID:4940

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4684

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

C:\Users\Admin\AppData\Local\Temp\nscCB4.tmp\System.dll

Filesize
11KB

MD5
0ff2d70cfdc8095ea99ca2dabbec3cd7

SHA1
10c51496d37cecd0e8a503a5a9bb2329d9b38116

SHA256
982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b

SHA512
cb5fc0b3194f469b833c2c9abf493fcec5251e8609881b7f5e095b9bd09ed468168e95dda0ba415a7d8d6b7f0dee735467c0ed8e52b223eb5359986891ba6e2e

Download Submit
memory/4940-133-0x00000000049C0000-0x0000000004AC1000-memory.dmp

Filesize
1.0MB

Download
memory/4940-134-0x00000000049C0000-0x0000000004AC1000-memory.dmp

Filesize
1.0MB

Download