guloader | 2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e

Analysis

max time kernel
41s
max time network
47s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
05-08-2022 11:04

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General

Target

2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e.exe
Size

307KB
MD5

6e0bf5d5220fbe4f7245653a259c7dad
SHA1

f077644ac1eb17aa811f4805e1f5f546b4f6166f
SHA256

2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e
SHA512

23c7a8aac36721080945d99eba09e0eeb29f20ac154ddbeb5b7584c9cb009189a51a7fe1b4effcb2f5dec5ee14faea9a429ca52c4f77d02add3e58871b252ad8

Score

10^/10

guloader downloader

Malware Config

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Loads dropped DLL 1 IoCs

Processes:

2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e.exe

pid process

900 2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e.exe

pid	process
900	2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e.exe

Drops file in Program Files directory 1 IoCs

Processes:

2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\parricidally.Sel	2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e.exe

Drops file in Windows directory 2 IoCs

Processes:

2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e.exe

description	ioc	process
File opened for modification	C:\Windows\resources\0409\Somet\Collop\Prothalloid.Bge	2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e.exe
File opened for modification	C:\Windows\Feringhee\Srbehandlingens.ini	2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e.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\2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e.exe
"C:\Users\Admin\AppData\Local\Temp\2914eb3edbf9dadb98429173fb1c1b5954742b10e49b1f804024e6448028f73e.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
PID:900

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsj48B6.tmp\System.dll
Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
memory/900-54-0x0000000076091000-0x0000000076093000-memory.dmp

Filesize
8KB

Download
memory/900-56-0x00000000024A0000-0x00000000025A0000-memory.dmp

Filesize
1024KB

Download
memory/900-57-0x00000000024A0000-0x00000000025A0000-memory.dmp

Filesize
1024KB

Download