guloader | a8b78aa0870056b9eb000f19d4aa732acd3b3657c905ca333ca772a0e9e31290

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
15/06/2024, 01:59

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General

Target

a8b78aa0870056b9eb000f19d4aa732acd3b3657c905ca333ca772a0e9e31290.exe
Size

588KB
MD5

ff3f9946159ede1ea69dc8e74991c5eb
SHA1

790a8dd8acac3557bff7d43511a176ad57faadc8
SHA256

a8b78aa0870056b9eb000f19d4aa732acd3b3657c905ca333ca772a0e9e31290
SHA512

b22399c5fad7f4f5433fbc58fb8ed10de22c49c3a4d6689d82eb1959411485e3759199bd30979170bc5f6a03b5f1fe6b60fd0e2d1fd8d9b82aade49d9a220978
SSDEEP

12288:OiR6qChjvVW+/cfkyZ8421XXFwXo8fDZk8K/H0zLjT8o/h:OiRwvL2kyI1XXFwZ2ujgo/h

Score

10^/10

guloader downloader

Malware Config

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Loads dropped DLL 2 IoCs

pid	Process
1916	a8b78aa0870056b9eb000f19d4aa732acd3b3657c905ca333ca772a0e9e31290.exe
1916	a8b78aa0870056b9eb000f19d4aa732acd3b3657c905ca333ca772a0e9e31290.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\a8b78aa0870056b9eb000f19d4aa732acd3b3657c905ca333ca772a0e9e31290.exe
"C:\Users\Admin\AppData\Local\Temp\a8b78aa0870056b9eb000f19d4aa732acd3b3657c905ca333ca772a0e9e31290.exe"
1⤵
- Loads dropped DLL
PID:1916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nst704.tmp\System.dll

Filesize
12KB

MD5
d968cb2b98b83c03a9f02dd9b8df97dc

SHA1
d784c9b7a92dce58a5038beb62a48ff509e166a0

SHA256
a4ec98011ef99e595912718c1a1bf1aa67bfc2192575729d42f559d01f67b95c

SHA512
2ee41dc68f329a1519a8073ece7d746c9f3bf45d8ef3b915deb376af37e26074134af5f83c8af0fe0ab227f0d1acca9f37e5ca7ae37c46c3bcc0331fe5e2b97e

Download Submit
C:\Users\Public\Music\kolorister.lnk

Filesize
960B

MD5
5ca909d32f2fd686b552bb76fe83aac1

SHA1
400da7d08f817d727d391b24b3b2a4159837220d

SHA256
7181323f3981bf0518117eae95090485e9b43077a9f58ecec85f1589fd668d3b

SHA512
9b14825ec2488206f766e3f82e78b4ebeb8dec8625e926a4f95e505e9633c70cc0b79411861492ead93c48f44b725a31a165edffa612a6e6ca425eab1b76c741

Download Submit
memory/1916-238-0x00000000042B0000-0x000000000546A000-memory.dmp

Filesize
17.7MB

Download
memory/1916-239-0x00000000042B0000-0x000000000546A000-memory.dmp

Filesize
17.7MB

Download