guloader | 5d06fc8efeb98209be9ee21d0461a8028fc2f69762bde4864378f9fb8ca1bb18

Analysis

max time kernel
124s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27-01-2023 08:27

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General

Target

5d06fc8efeb98209be9ee21d0461a8028fc2f69762bde4864378f9fb8ca1bb18.exe
Size

491KB
MD5

ca06403b998a12fc436cc45783318d7a
SHA1

a34cd994c93583228d46f68c1c1683f6d42f0f09
SHA256

5d06fc8efeb98209be9ee21d0461a8028fc2f69762bde4864378f9fb8ca1bb18
SHA512

186f0964c6770c8706fc17228a721277c44f6647fb3fb3ee62fe1ffa5d36bb0b54bf8a14934e3091ffed9b84d4221211508511db5ea206ac514564600912b3f4
SSDEEP

12288:kbiUAD1ydxBx+LPUyc8LT4sCWSX1yb1l8xN776NR3szw2I:kbi34xBgLV5vScb1+uuI

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

Processes:

5d06fc8efeb98209be9ee21d0461a8028fc2f69762bde4864378f9fb8ca1bb18.exe

pid process

1720 5d06fc8efeb98209be9ee21d0461a8028fc2f69762bde4864378f9fb8ca1bb18.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

pid	process
1720	5d06fc8efeb98209be9ee21d0461a8028fc2f69762bde4864378f9fb8ca1bb18.exe

Drops file in Windows directory 3 IoCs

Processes:

5d06fc8efeb98209be9ee21d0461a8028fc2f69762bde4864378f9fb8ca1bb18.exe

description	ioc	process
File opened for modification	C:\Windows\resources\0409\appelsinernes\Begunstiget.ini	5d06fc8efeb98209be9ee21d0461a8028fc2f69762bde4864378f9fb8ca1bb18.exe
File opened for modification	C:\Windows\resources\Logographic\Blanketternes.ini	5d06fc8efeb98209be9ee21d0461a8028fc2f69762bde4864378f9fb8ca1bb18.exe
File created	C:\Windows\Paguma\Bedvelser\Petasos31\Hasperne.lnk	5d06fc8efeb98209be9ee21d0461a8028fc2f69762bde4864378f9fb8ca1bb18.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\5d06fc8efeb98209be9ee21d0461a8028fc2f69762bde4864378f9fb8ca1bb18.exe
"C:\Users\Admin\AppData\Local\Temp\5d06fc8efeb98209be9ee21d0461a8028fc2f69762bde4864378f9fb8ca1bb18.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
PID:1720

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsiFC89.tmp\System.dll
Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
memory/1720-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1720-56-0x0000000002310000-0x0000000002411000-memory.dmp

Filesize
1.0MB

Download
memory/1720-57-0x0000000002310000-0x0000000002411000-memory.dmp

Filesize
1.0MB

Download