guloader | daf2e890a7b423f9ec0ee85d044249bfabdfc985ecf19d8e7153843b82d58c5a

Analysis

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

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29-01-2025 03:51

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General

Target

Maersk.208430284251.BLINV.EAWB.050.20240814.174354.20240814.174426.792198_pdf.exe
Size

472KB
MD5

3aaf07b9328bf647f1872a48896b438a
SHA1

1a99c73f8c16e586cf175cc06d7260d0fc70b3eb
SHA256

2358afa3754b0cabb08e594517d1e2e05a2c581158e4530f4f38a9f9713f8f3f
SHA512

8c85a13c7754b07493e73ab7dfedbb82d4ea329eb781c74edce646b80e6e27246042fc66b5302b7aa90658f55fe87e75266776adaad538385f5feb810ceb8625
SSDEEP

12288:SavFZalc2Ku81b6Mr5A7Qx6eCiJdiknOmKFS7e7t:SaGpK3BaQxv6mKFft

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
2140	Maersk.208430284251.BLINV.EAWB.050.20240814.174354.20240814.174426.792198_pdf.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Unknown\soldanel.gas	Maersk.208430284251.BLINV.EAWB.050.20240814.174354.20240814.174426.792198_pdf.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\diareen\Bordfylder119.Ris158	Maersk.208430284251.BLINV.EAWB.050.20240814.174354.20240814.174426.792198_pdf.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	Maersk.208430284251.BLINV.EAWB.050.20240814.174354.20240814.174426.792198_pdf.exe

C:\Users\Admin\AppData\Local\Temp\Maersk.208430284251.BLINV.EAWB.050.20240814.174354.20240814.174426.792198_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Maersk.208430284251.BLINV.EAWB.050.20240814.174354.20240814.174426.792198_pdf.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nse20CB.tmp\System.dll

Filesize
11KB

MD5
75ed96254fbf894e42058062b4b4f0d1

SHA1
996503f1383b49021eb3427bc28d13b5bbd11977

SHA256
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

SHA512
58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

Download Submit
memory/2140-14-0x0000000003580000-0x00000000046D4000-memory.dmp

Filesize
17.3MB

Download
memory/2140-15-0x0000000003580000-0x00000000046D4000-memory.dmp

Filesize
17.3MB

Download