guloader | 79b2d2dac60bc4cff17458bf09dd010ecd39075dc5962105c534ae66fc643d1b

Analysis

max time kernel
30s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
08-02-2023 02:26

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General

Target

79b2d2dac60bc4cff17458bf09dd010ecd39075dc5962105c534ae66fc643d1b.exe
Size

464KB
MD5

42e54a95324d960cca2714a28ef18273
SHA1

929a266dac911e8d599969382576de63c92bcffa
SHA256

79b2d2dac60bc4cff17458bf09dd010ecd39075dc5962105c534ae66fc643d1b
SHA512

d05bad79aaedbc581f1e4a7489209885bf4219ec1da4ae00f5beb9f88f421d852c9414e0a1f6dc5a04cd8b583ebbe3534d83bc48493178f55155d5e207b85eef
SSDEEP

6144:lY2xUcRNOoxj+z1Ne/rJTgAPZHpfAQJ20O3m5sZtoSFJaRG/cuuYfNKL5TjDTcgW:55OCjkGNTgAPIQg53jaRG0kf45TjDTcj

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

pid	Process
2032	79b2d2dac60bc4cff17458bf09dd010ecd39075dc5962105c534ae66fc643d1b.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Ovensman.God147	79b2d2dac60bc4cff17458bf09dd010ecd39075dc5962105c534ae66fc643d1b.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\79b2d2dac60bc4cff17458bf09dd010ecd39075dc5962105c534ae66fc643d1b.exe
"C:\Users\Admin\AppData\Local\Temp\79b2d2dac60bc4cff17458bf09dd010ecd39075dc5962105c534ae66fc643d1b.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
PID:2032

Network

MITRE ATT&CK Enterprise v6

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

\Users\Admin\AppData\Local\Temp\nsd1B30.tmp\System.dll

Filesize
11KB

MD5
b8992e497d57001ddf100f9c397fcef5

SHA1
e26ddf101a2ec5027975d2909306457c6f61cfbd

SHA256
98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b

SHA512
8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c

Download Submit
memory/2032-54-0x0000000075991000-0x0000000075993000-memory.dmp

Filesize
8KB

Download
memory/2032-56-0x0000000003BB0000-0x0000000006AE8000-memory.dmp

Filesize
47.2MB

Download
memory/2032-57-0x0000000003BB0000-0x0000000006AE8000-memory.dmp

Filesize
47.2MB

Download