MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e644ef57ac147bc5283cc5192792a3a396c68f62c8c90ce870e0eea276430ea. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


GuLoader


Vendor detections: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2e644ef57ac147bc5283cc5192792a3a396c68f62c8c90ce870e0eea276430ea
SHA3-384 hash: 3b5a0d4d8adf6bff94b1577229a4c05669a16a9fc993d54bd6aa89444bf7a7e85b3bb5061ab078ae644107673591b746
SHA1 hash: 5b3a1dd3ed22be9caa31a1a3106b9cb8b37158c0
MD5 hash: b47e1ab501e4a96100632e46f4506468
humanhash: pluto-quiet-double-white
File name:SOLICITUD DE OFERTA.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:639'225 bytes
First seen:2022-10-17 12:26:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7eae418c7423834ffc3d79b4300bd6fb (51 x GuLoader, 16 x RemcosRAT, 15 x AgentTesla)
ssdeep 12288:/eS2Cp0JwEk/+d9a5VQircJlWG+jbJJ7E18gWo7Or:V2CnEkmdGV9rcJD+jo8r
TLSH T1FED423217B50C8ABD4F385F93C3A41ACAA384C686C16EEA77AC4772D6D32651FD3C244
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon cc00f0dcccf01084 (3 x GuLoader)
Reporter malwarelabnet
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
448
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/320967/
Detection(s):
SecuriteInfo.com.NSIS.InjectorX-gen.17859.24202.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Creating a file
Creating a file in the Windows directory
Delayed reading of the file
Creating a window
Creating a file in the %temp% subdirectories
Searching for the window
Searching for the Windows task manager window
Running batch commands
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/43464/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/634d4a17339362a6061ac2ff/reports/d7dfb9bf-e3ca-4e52-9656-3c5da2eb7a9f/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6fc48c4b-3ec9-4fff-99ec-34de17015ac6
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1091834
Signature
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 724456 Sample: SOLICITUD DE OFERTA.exe Startdate: 17/10/2022 Architecture: WINDOWS Score: 100 30 mail.ceramicasanchez.es 2->30 32 googlehosted.l.googleusercontent.com 2->32 34 2 other IPs or domains 2->34 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected GuLoader 2->44 46 Yara detected AgentTesla 2->46 48 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->48 8 SOLICITUD DE OFERTA.exe 10 38 2->8         started        signatures3 process4 file5 22 C:\Users\...\System.Collections.Immutable.dll, PE32+ 8->22 dropped 24 C:\Users\user\...\AccessibleHandler.dll, PE32+ 8->24 dropped 26 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->26 dropped 28 C:\Users\user\AppData\Local\...\System.dll, PE32 8->28 dropped 50 Writes to foreign memory regions 8->50 52 Tries to detect Any.run 8->52 12 CasPol.exe 11 8->12         started        16 cmd.exe 1 8->16         started        signatures6 process7 dnsIp8 36 mail.ceramicasanchez.es 51.83.94.99, 49795, 587 OVHFR France 12->36 38 drive.google.com 172.217.16.206, 443, 49791 GOOGLEUS United States 12->38 40 googlehosted.l.googleusercontent.com 216.58.212.129, 443, 49792 GOOGLEUS United States 12->40 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->54 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->56 58 Tries to steal Mail credentials (via file / registry access) 12->58 60 4 other signatures 12->60 18 conhost.exe 12->18         started        20 conhost.exe 16->20         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2e644ef57ac147bc5283cc5192792a3a396c68f62c8c90ce870e0eea276430ea/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-17 09:36:06 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
26 of 42 (61.90%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fzse55l2yfd3yuudzrize6jkhi4wy2hwfsgjbtuhbyhouj3egdva._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/221017-pmq6wsbhhl/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
f344713a08459675b6db6fc79e93f7813d8793af6fd9a2c8c64aa1a0a0e0d218
MD5 hash:
d53c32cedd3d4c37d0a35183ec531ed9
SHA1 hash:
1184372024a780df8234ac67c4a5db4d303adbc5
Link:
https://www.unpac.me/results/341c042e-62d0-4235-9f63-a87710d082e3/
SH256 hash:
d3222ca4f4eb1c876a61772cc61ab6068fb4c26c1b666527d2dd2e11be3b83f4
MD5 hash:
f6042ae9319fbb04d82fe6adbb23dfa7
SHA1 hash:
325d55756f1dace9c9503d7a41a76e1720110c25
Link:
https://www.unpac.me/results/341c042e-62d0-4235-9f63-a87710d082e3/
SH256 hash:
2e644ef57ac147bc5283cc5192792a3a396c68f62c8c90ce870e0eea276430ea
MD5 hash:
b47e1ab501e4a96100632e46f4506468
SHA1 hash:
5b3a1dd3ed22be9caa31a1a3106b9cb8b37158c0
Link:
https://www.unpac.me/results/341c042e-62d0-4235-9f63-a87710d082e3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.43
Link:
https://yomi.yoroi.company/submissions/2e644ef57ac147bc5283cc5192792a3a396c68f62c8c90ce870e0eea276430ea

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/320967/

Comments