MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 569aa6697083993d9c387426b827414a7ed225a3dd2e1e3eba1b49667573fdcb. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 569aa6697083993d9c387426b827414a7ed225a3dd2e1e3eba1b49667573fdcb
SHA3-384 hash: 34da8b32e1fcf868c002eb74e66fb16a553b45e7d82c8a52bdbc861004c8f63404d03c6597fdd8b1e397ec612e3dc424
SHA1 hash: bce0830c3c09d664bca5e34b63ee902455a95737
MD5 hash: 684967c8f09c920991d6acf797cd660f
humanhash: glucose-illinois-wolfram-sad
File name:Musculophrenic.exe
Download: download sample
Signature GuLoader
File size:272'584 bytes
First seen:2023-04-19 11:44:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla)
ssdeep 6144:KkyacCTf7IdS5/UyV318F2LNk01AaE0USe8AWK:KkNTTIolZV318F8y0/eSe8An
Threatray 785 similar samples on MalwareBazaar
TLSH T1D8440202A2F5C163E4D756748E23CBBE8A75AF540604034B7B61BFAF19305BADA0F395
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e8d4d8cce8686869 (5 x GuLoader, 1 x AgentTesla, 1 x Formbook)
Reporter lowmal3
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-03-18T06:54:26Z
Valid to:2026-03-17T06:54:26Z
Serial number: 1076e70dc72dd0943220ef2249f5eba897ddb5a1
Thumbprint Algorithm:SHA256
Thumbprint: f14da6dbc053fb32258eb15af4f04bb01514aba2598d3c52e7cdd94fb4e8e1aa
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
263
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Musculophrenic.exe
Verdict:
Malicious activity
Analysis date:
2023-04-19 11:45:55 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
guloader overlay packed shell32.dll
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.
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Signature
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader spyware stealer
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Guloader,Cloudeye
Unpacked files
SH256 hash:
1188fbf20b7df9e51ec6cba5f1dbff81955a5d0c0b669d9435121c65114e5e01
MD5 hash:
c78acbfe4dfb94888d5620c507a283f6
SHA1 hash:
118e6a02ba6d3670e51d5f9982c159bb6504cd43
SH256 hash:
7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
MD5 hash:
fc90dfb694d0e17b013d6f818bce41b0
SHA1 hash:
3243969886d640af3bfa442728b9f0dff9d5f5b0
SH256 hash:
569aa6697083993d9c387426b827414a7ed225a3dd2e1e3eba1b49667573fdcb
MD5 hash:
684967c8f09c920991d6acf797cd660f
SHA1 hash:
bce0830c3c09d664bca5e34b63ee902455a95737
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:PE_Digital_Certificate
Author:albertzsigovits

File information


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

Malspam

GuLoader

Executable exe 569aa6697083993d9c387426b827414a7ed225a3dd2e1e3eba1b49667573fdcb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments