guloader | 5c9de379e0244c74cb729cf26ac83fb1ce6d109251d869bea42a32164cf67347

Analysis

max time kernel
43s
max time network
47s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
14/09/2022, 11:29

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General

Target

ADNOC RFQ 97571784.exe
Size

408KB
MD5

c94a8a561f2a2f97b01b8ba7782fb0fd
SHA1

043a57cf2aa245c800ec4e7619e73b6fa92c99aa
SHA256

6105da2e1f737627a8de65308e3f22a7a01f331f1de6cd82f7accc38255ae476
SHA512

4dbc1568265aa51dd5bad97522040cedfb74a8ab33b21eeaf4ae8a6bcb023e09471833d841eea28c5430bada249e67bda713cfff229c7e9332418e2a6541eb17
SSDEEP

6144:G92UDqiu39w/uYmVfw9+EdTFn/o0c0o4CC8shEqkDNvk26iILYDrjiql9kuQTNi:sDhu3Sp/o0cOCTXXtDMYuUQTc

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

pid	Process
1672	ADNOC RFQ 97571784.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\Erubescite\Vinelike\Overstudious\Ringsler.Thr77	ADNOC RFQ 97571784.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\ADNOC RFQ 97571784.exe
"C:\Users\Admin\AppData\Local\Temp\ADNOC RFQ 97571784.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
PID:1672

Network

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\nsy282B.tmp\System.dll

Filesize
11KB

MD5
b8992e497d57001ddf100f9c397fcef5

SHA1
e26ddf101a2ec5027975d2909306457c6f61cfbd

SHA256
98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b

SHA512
8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c

Download Submit
memory/1672-54-0x0000000075111000-0x0000000075113000-memory.dmp

Filesize
8KB

Download
memory/1672-56-0x0000000002520000-0x0000000002621000-memory.dmp

Filesize
1.0MB

Download
memory/1672-57-0x0000000002520000-0x0000000002621000-memory.dmp

Filesize
1.0MB

Download