guloader | f21fc236f99382ba56941352a456882e65c4d99bcb9ce0094a0981920e9dba09

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 01:56

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General

Target

Untrimmed.exe
Size

1.5MB
MD5

32f2cb3180077e9886042bd21a2892fc
SHA1

c237fbdf4adde0417aa34f1938436a027b72f2f6
SHA256

723d80c135349493233609d246043e692e87cf1a9976a06a58837fcf4d4eba04
SHA512

673c4c86d519d021c6cf027d64af4df5977355e4d74041a1d80ff1862b6fa7b378f012af1a926bb7cc166811eee1879cbb678096d6108ac43ace2ebb2da14455
SSDEEP

49152:IGIyoUTjnn7HO8mcLr4ZluTjou7sWgB33X:I7yogOcsZefqBnX

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
2188	Untrimmed.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\projektherrerne.Ind	Untrimmed.exe
File created	C:\Windows\SysWOW64\Valencies.lnk	Untrimmed.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Religion\Overcultivation\Trianglen.ini	Untrimmed.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	Untrimmed.exe

C:\Users\Admin\AppData\Local\Temp\Untrimmed.exe
"C:\Users\Admin\AppData\Local\Temp\Untrimmed.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsy3F71.tmp\System.dll

Filesize
11KB

MD5
7399323923e3946fe9140132ac388132

SHA1
728257d06c452449b1241769b459f091aabcffc5

SHA256
5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3

SHA512
d6f28ba761351f374ae007c780be27758aea7b9f998e2a88a542eede459d18700adffe71abcb52b8a8c00695efb7ccc280175b5eeb57ca9a645542edfabb64f1

Download Submit
memory/2188-29-0x00000000023A0000-0x00000000024A1000-memory.dmp

Filesize
1.0MB

Download
memory/2188-30-0x00000000023A0000-0x00000000024A1000-memory.dmp

Filesize
1.0MB

Download