guloader | 3a2e31f2844df5cb91eedbf24c0b93de4b0aa08525f733132c2bce0d7ab81acc

Resubmissions

10-11-2024 21:28

241110-1bhk6avgrr 10

Analysis

max time kernel
123s
max time network
159s
platform
windows7_x64
resource
win7-20240903-en
submitted
10-11-2024 21:28

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General

Target

017f252187d69448ce91bef978fabdd931c56a7f57d43ba3557da5c49b133e45.exe

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 1 IoCs

pid	Process
1684	017f252187d69448ce91bef978fabdd931c56a7f57d43ba3557da5c49b133e45.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 opened for modification	C:\Windows\resources\0409\Protoneurone.Dea164	017f252187d69448ce91bef978fabdd931c56a7f57d43ba3557da5c49b133e45.exe
File opened for modification	C:\Windows\resources\Quilled221\Sprank\Suppleant\forkldt.Lae	017f252187d69448ce91bef978fabdd931c56a7f57d43ba3557da5c49b133e45.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 1 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	017f252187d69448ce91bef978fabdd931c56a7f57d43ba3557da5c49b133e45.exe

C:\Users\Admin\AppData\Local\Temp\017f252187d69448ce91bef978fabdd931c56a7f57d43ba3557da5c49b133e45.exe
"C:\Users\Admin\AppData\Local\Temp\017f252187d69448ce91bef978fabdd931c56a7f57d43ba3557da5c49b133e45.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nso4599.tmp\System.dll

Filesize
12KB

MD5
792b6f86e296d3904285b2bf67ccd7e0

SHA1
966b16f84697552747e0ddd19a4ba8ab5083af31

SHA256
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917

SHA512
97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c

Download Submit
memory/1684-9-0x0000000002B50000-0x0000000002C51000-memory.dmp

Filesize
1.0MB

Download
memory/1684-10-0x0000000002B50000-0x0000000002C51000-memory.dmp

Filesize
1.0MB

Download