guloader | 6874f8ab0bdef706cfd03b2e2935ef93a1cb8e73657528d0b01bc1674d85b504

Analysis

max time kernel
79s
max time network
34s
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

6874f8ab0bdef706cfd03b2e2935ef93a1cb8e73657528d0b01bc1674d85b504.exe
Size

482KB
MD5

e9253e36b05e005d6d65c8412f18c626
SHA1

3d20db5dc25eb91ef6b476d23ad4d5edcdbd350d
SHA256

6874f8ab0bdef706cfd03b2e2935ef93a1cb8e73657528d0b01bc1674d85b504
SHA512

06a0fdf16e6bdb2f3f957d1073c10e0332731eb3f04ac416711d2ff473a27d9d280fd55ea27f50cfd11fb5fade293ba8fdf370aff381d5f38f2cfebec4802f59
SSDEEP

12288:qyXJM5oFXTbj07GZLEGA3+OU+6tm4BBP0h0Knc:qyX7jAGd0DUVtm4BBJKnc

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:

6874f8ab0bdef706cfd03b2e2935ef93a1cb8e73657528d0b01bc1674d85b504.exe

pid process

1544 6874f8ab0bdef706cfd03b2e2935ef93a1cb8e73657528d0b01bc1674d85b504.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
1544	6874f8ab0bdef706cfd03b2e2935ef93a1cb8e73657528d0b01bc1674d85b504.exe

Drops file in System32 directory 1 IoCs

Processes:

6874f8ab0bdef706cfd03b2e2935ef93a1cb8e73657528d0b01bc1674d85b504.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Vehikel\Unitternes.ini	6874f8ab0bdef706cfd03b2e2935ef93a1cb8e73657528d0b01bc1674d85b504.exe

Drops file in Windows directory 1 IoCs

Processes:

6874f8ab0bdef706cfd03b2e2935ef93a1cb8e73657528d0b01bc1674d85b504.exe

description	ioc	process
File opened for modification	C:\Windows\Wiros\Slippages\Propyls.ini	6874f8ab0bdef706cfd03b2e2935ef93a1cb8e73657528d0b01bc1674d85b504.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\6874f8ab0bdef706cfd03b2e2935ef93a1cb8e73657528d0b01bc1674d85b504.exe
"C:\Users\Admin\AppData\Local\Temp\6874f8ab0bdef706cfd03b2e2935ef93a1cb8e73657528d0b01bc1674d85b504.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
PID:1544

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\nso1F65.tmp\System.dll
Filesize
11KB

MD5
b8992e497d57001ddf100f9c397fcef5

SHA1
e26ddf101a2ec5027975d2909306457c6f61cfbd

SHA256
98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b

SHA512
8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c

Download Submit
memory/1544-54-0x0000000076201000-0x0000000076203000-memory.dmp

Filesize
8KB

Download
memory/1544-56-0x0000000003EC0000-0x0000000004B02000-memory.dmp

Filesize
12.3MB

Download
memory/1544-57-0x0000000003EC0000-0x0000000004B02000-memory.dmp

Filesize
12.3MB

Download