guloader | 86a948f24c21b5bb39f2be67b79490287428f75a4f06c57599e538cd45f822dd

Analysis

max time kernel
15s
max time network
2s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2022, 06:18

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General

Target

tmp.exe
Size

393KB
MD5

ed3cbceb4eec1932007b7c25a3858053
SHA1

eb3ecfbd0d169977439e09deda0603e36a10602d
SHA256

86a948f24c21b5bb39f2be67b79490287428f75a4f06c57599e538cd45f822dd
SHA512

4924d636dde12d0ca1b80a1d659d10f41b4db6b874332ad5e41cc18dc572b0650a8fe80f65842a0274cb0a74bd6d12d23e237c8c6ca8226c3d4b40752fb2328b
SSDEEP

6144:6PXqhjdfZplfga/9C6UgOhQRBNQRF+9jI6cU7O3DrufjJqtf3+1R:frfJgalCP6RgX76ceenIMtfuH

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
1512	tmp.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 Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Mimrer\Stilket\Suvernitetsafgivelsers\Sygnende.Reg	tmp.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\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
PID:1512

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

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

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/1512-133-0x00000000049D0000-0x0000000004AD1000-memory.dmp

Filesize
1.0MB

Download
memory/1512-134-0x00000000049D0000-0x0000000004AD1000-memory.dmp

Filesize
1.0MB

Download