guloader | f97e7763f53610fb7915fa5ee7d0fd649749281f6ea3c6774d044c641cc32a86

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 08:34

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General

Target

extracted_at_0x0.exe
Size

474KB
MD5

cbd03b0128ec974c983c0604d4319536
SHA1

19bd4374de4f58df2a303a68a22df8ffd23a51b8
SHA256

0d49d91ede6737be9e75bac99701a344b3a8a32acaf95e452a8888521481e15d
SHA512

ee4970768b92c24adae33c1b0c3cf9e4957d3c6d52c1915caa95cb4fca5e566965d024bf4856ed90c531b5550ba49d2d91eea87eca45e7cb0f6dbb9e2ddb3914
SSDEEP

6144:ZtXZXzWCOd3DgW86qeVRvnx051WPKOV1mDVa1rqWvzN1R4Uz4JSvkxYTpPnc/vfh:ZtZ4z60DxK1WSEUa1rJ1+c44JnW9f

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

pid	Process
2092	extracted_at_0x0.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\ionisere\Stagendes\Modellen.Ver	extracted_at_0x0.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\Kakifarvet.Dio	extracted_at_0x0.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	extracted_at_0x0.exe

C:\Users\Admin\AppData\Local\Temp\extracted_at_0x0.exe
"C:\Users\Admin\AppData\Local\Temp\extracted_at_0x0.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2092

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\nsd8ED9.tmp\System.dll

Filesize
11KB

MD5
7399323923e3946fe9140132ac388132

SHA1
728257d06c452449b1241769b459f091aabcffc5

SHA256
5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3

SHA512
d6f28ba761351f374ae007c780be27758aea7b9f998e2a88a542eede459d18700adffe71abcb52b8a8c00695efb7ccc280175b5eeb57ca9a645542edfabb64f1

Download Submit
memory/2092-11-0x0000000003EF0000-0x0000000004007000-memory.dmp

Filesize
1.1MB

Download
memory/2092-12-0x0000000003EF0000-0x0000000004007000-memory.dmp

Filesize
1.1MB

Download