guloader | 0a8ff64746da744aa38e9fc9365d3f64dc456745300412ab15511f8e0484d30b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 06:18

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General

Target

0a8ff64746da744aa38e9fc9365d3f64dc456745300412ab15511f8e0484d30b.exe
Size

168KB
MD5

d051b2db07d9ecd41b3ce1b3c98912d2
SHA1

95c7ad344e805f3b6dc82836fb9ef17c1d3d01e0
SHA256

0a8ff64746da744aa38e9fc9365d3f64dc456745300412ab15511f8e0484d30b
SHA512

db4d58b294b3d452fb761c448b4bf6f35c89ae8715497097ca647a7fd0708630ebd28e772274e1b486798cabfac0709869acd613172579fe8cd28c1df460dff2
SSDEEP

3072:PPjxQCdIyVliXEcmIVk4wrWtdkwxWrEm7dl561Sv9EilT0vHKDp0PXjcGQ1R:PDfeitwxKPziSv9EilTOHKDWPTcGqR

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

Processes:

0a8ff64746da744aa38e9fc9365d3f64dc456745300412ab15511f8e0484d30b.exe

pid	Process
2112	0a8ff64746da744aa38e9fc9365d3f64dc456745300412ab15511f8e0484d30b.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 Windows directory 2 IoCs

Processes:

0a8ff64746da744aa38e9fc9365d3f64dc456745300412ab15511f8e0484d30b.exe

description	ioc	Process
File opened for modification	C:\Windows\resources\Speed187.Ond	0a8ff64746da744aa38e9fc9365d3f64dc456745300412ab15511f8e0484d30b.exe
File opened for modification	C:\Windows\resources\Foraarsruller\Beslutningsgangene69\Nonmedullated.ini	0a8ff64746da744aa38e9fc9365d3f64dc456745300412ab15511f8e0484d30b.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

0a8ff64746da744aa38e9fc9365d3f64dc456745300412ab15511f8e0484d30b.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0a8ff64746da744aa38e9fc9365d3f64dc456745300412ab15511f8e0484d30b.exe

C:\Users\Admin\AppData\Local\Temp\0a8ff64746da744aa38e9fc9365d3f64dc456745300412ab15511f8e0484d30b.exe
"C:\Users\Admin\AppData\Local\Temp\0a8ff64746da744aa38e9fc9365d3f64dc456745300412ab15511f8e0484d30b.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsjAA16.tmp\System.dll

Filesize
12KB

MD5
792b6f86e296d3904285b2bf67ccd7e0

SHA1
966b16f84697552747e0ddd19a4ba8ab5083af31

SHA256
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917

SHA512
97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c

Download Submit
memory/2112-10-0x0000000004260000-0x0000000004450000-memory.dmp

Filesize
1.9MB

Download
memory/2112-11-0x0000000004260000-0x0000000004450000-memory.dmp

Filesize
1.9MB

Download