guloader | 6bf5c3ab025b9c8e202dc5e5788e2f45c5f38be0a4996dae94d5a297dfb247fb

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29-09-2022 13:40

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General

Target

SecuriteInfo.com.Variant.Tedy.213871.21958.4510.exe
Size

171KB
MD5

033552f5ab88901665fa7cd7fd0745a2
SHA1

30b265af33a3c1a0dcf86a3a3c82ded699c1350c
SHA256

6bf5c3ab025b9c8e202dc5e5788e2f45c5f38be0a4996dae94d5a297dfb247fb
SHA512

52242481d9209f395e207b2daeb168d9daebbc2756e622ef56b9bac663f8b482ac268febaa9c0356cbdd28d5347bb994ac207f6dfe35c96c4f35510ddc3780c6
SSDEEP

3072:EcL0bUTppDAYzItWo4ugABedHM9WaM+uf4zeeqjwa28Z45NR59d78nMEZfSH:ubUTp16fR2aM+uAzUjwa28y5NRx612

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
2044	SecuriteInfo.com.Variant.Tedy.213871.21958.4510.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\Dsende\Smagte57\Whiskys\Fidelities.Vej	SecuriteInfo.com.Variant.Tedy.213871.21958.4510.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\Enogtyvendedels\Kupfferite.Tit	SecuriteInfo.com.Variant.Tedy.213871.21958.4510.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\SecuriteInfo.com.Variant.Tedy.213871.21958.4510.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Tedy.213871.21958.4510.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
PID:2044

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\nsd4710.tmp\System.dll

Filesize
11KB

MD5
7399323923e3946fe9140132ac388132

SHA1
728257d06c452449b1241769b459f091aabcffc5

SHA256
5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3

SHA512
d6f28ba761351f374ae007c780be27758aea7b9f998e2a88a542eede459d18700adffe71abcb52b8a8c00695efb7ccc280175b5eeb57ca9a645542edfabb64f1

Download Submit
memory/2044-54-0x0000000075F81000-0x0000000075F83000-memory.dmp

Filesize
8KB

Download
memory/2044-56-0x0000000003630000-0x0000000003731000-memory.dmp

Filesize
1.0MB

Download
memory/2044-57-0x0000000003630000-0x0000000003731000-memory.dmp

Filesize
1.0MB

Download