guloader | 2fe5d3d7cbc13f03b9a0f9003a398849ab0eb853b803fbc62b9daa680476eec1

Analysis

max time kernel
60s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12/10/2022, 15:58

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General

Target

2fe5d3d7cbc13f03b9a0f9003a398849ab0eb853b803fbc62b9daa680476eec1.exe
Size

123KB
MD5

8210e0cabbd4e79a621b30cfca2106db
SHA1

592bd87ad32e2bf6f0a4d85d08002a9d2513c062
SHA256

2fe5d3d7cbc13f03b9a0f9003a398849ab0eb853b803fbc62b9daa680476eec1
SHA512

42829a1172ca142cacd0dce5c04db73e9e23568dad643f95d42212048275923e16993391b97c7d64c94b0d4c00c01932f3555b32e6dca1c819e9f4164d8f6781
SSDEEP

3072:WuxVUg3yGDRb8lc7uO1AejubkEfDH4u3s3MXIbykqb:JgORafejuxfT4u16ub

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
1980	2fe5d3d7cbc13f03b9a0f9003a398849ab0eb853b803fbc62b9daa680476eec1.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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Samleobjekts.ini	2fe5d3d7cbc13f03b9a0f9003a398849ab0eb853b803fbc62b9daa680476eec1.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\Pouncer\Telefonisterne\Tummels.His	2fe5d3d7cbc13f03b9a0f9003a398849ab0eb853b803fbc62b9daa680476eec1.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\2fe5d3d7cbc13f03b9a0f9003a398849ab0eb853b803fbc62b9daa680476eec1.exe
"C:\Users\Admin\AppData\Local\Temp\2fe5d3d7cbc13f03b9a0f9003a398849ab0eb853b803fbc62b9daa680476eec1.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
PID:1980

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

\Users\Admin\AppData\Local\Temp\nstA073.tmp\System.dll

Filesize
12KB

MD5
564bb0373067e1785cba7e4c24aab4bf

SHA1
7c9416a01d821b10b2eef97b80899d24014d6fc1

SHA256
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

SHA512
22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

Download Submit
memory/1980-54-0x0000000076031000-0x0000000076033000-memory.dmp

Filesize
8KB

Download
memory/1980-56-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1980-57-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1980-58-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download