guloader | 4d4ffe668421a690053e0f5bbc714563fd9c8dcc72e5e825069a07a6a05ff4a0

Analysis

max time kernel
60s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2023 08:27

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General

Target

4d4ffe668421a690053e0f5bbc714563fd9c8dcc72e5e825069a07a6a05ff4a0.exe
Size

370KB
MD5

7ca82ce38ac2bedb15fed39f2d51224d
SHA1

c6e4c8cfea2ca9ae411c55fcfd64b11b7cfa3d2e
SHA256

4d4ffe668421a690053e0f5bbc714563fd9c8dcc72e5e825069a07a6a05ff4a0
SHA512

055e2087fefe688e286e731e8f12966c1c73e388091b032e21550437df9b05004558c7d0ecbeba02ec75793acf2814e116c57894fca9a143ebcd0d609228de91
SSDEEP

6144:OT4DtUhoDrl7JTrZ/vN8FSjXioHfhp4wxorK2nqAlJ4LoYglTqG+csv:OTDurl7JHR/bAWwfFY+Tb+cU

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

Processes:

4d4ffe668421a690053e0f5bbc714563fd9c8dcc72e5e825069a07a6a05ff4a0.exe

pid process

616 4d4ffe668421a690053e0f5bbc714563fd9c8dcc72e5e825069a07a6a05ff4a0.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
616	4d4ffe668421a690053e0f5bbc714563fd9c8dcc72e5e825069a07a6a05ff4a0.exe

C:\Users\Admin\AppData\Local\Temp\4d4ffe668421a690053e0f5bbc714563fd9c8dcc72e5e825069a07a6a05ff4a0.exe
"C:\Users\Admin\AppData\Local\Temp\4d4ffe668421a690053e0f5bbc714563fd9c8dcc72e5e825069a07a6a05ff4a0.exe"
1⤵
- Loads dropped DLL
PID:616

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsn7584.tmp\System.dll
Filesize
12KB

MD5
564bb0373067e1785cba7e4c24aab4bf

SHA1
7c9416a01d821b10b2eef97b80899d24014d6fc1

SHA256
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

SHA512
22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

Download Submit
memory/616-133-0x00000000041E0000-0x00000000042E1000-memory.dmp

Filesize
1.0MB

Download
memory/616-134-0x00000000041E0000-0x00000000042E1000-memory.dmp

Filesize
1.0MB

Download