guloader | 8c9642da418532900903b537a040794cf8e1600a7375a292a91bf25ad9b099be

Analysis

max time kernel
91s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
16/09/2022, 14:01

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General

Target

Picture_Samples.exe
Size

104KB
MD5

ab2d42662c04ee385f73347810c4d9fe
SHA1

3dc6bd80d7acdc08478ee2591e5eb4987d039ec9
SHA256

71a2d4cf1f55f1b4ff5934bf84ad52384c00bee908b57143638adde051242bd9
SHA512

7b55b57f896df671aa3432c929cc96ac7f1a6b59ea4e395f4cf1f90c564bcf29e9ca5be135cdda73d367db10922f02fb3386e591bde4a66c320e56e710c358d8
SSDEEP

3072:wdxNE+Hb+eyz9zIov6bSY+PlpVSNXIUzIdph00/Y97qKaw2tn8:wW+7+eMYbSYiSyxo8fk

Score

10^/10

guloader downloader

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4152	Picture_Samples.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\Picture_Samples.exe
"C:\Users\Admin\AppData\Local\Temp\Picture_Samples.exe"
1⤵
- Loads dropped DLL
PID:4152

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsn90BD.tmp\System.dll

Filesize
11KB

MD5
3e6bf00b3ac976122f982ae2aadb1c51

SHA1
caab188f7fdc84d3fdcb2922edeeb5ed576bd31d

SHA256
4ff9b2678d698677c5d9732678f9cf53f17290e09d053691aac4cc6e6f595cbe

SHA512
1286f05e6a7e6b691f6e479638e7179897598e171b52eb3a3dc0e830415251069d29416b6d1ffc6d7dce8da5625e1479be06db9b7179e7776659c5c1ad6aa706

Download Submit
memory/4152-133-0x0000000005100000-0x0000000005200000-memory.dmp

Filesize
1024KB

Download
memory/4152-134-0x0000000005100000-0x0000000005200000-memory.dmp

Filesize
1024KB

Download