MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f5c3d81376e8e68444a656c628082e8122434a7c3e2bae38be437026302ec92. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f5c3d81376e8e68444a656c628082e8122434a7c3e2bae38be437026302ec92
SHA3-384 hash: 96a70ae70fe97448ee502ee5c21eefba06ddae67298ec184e28d12591bd959b0094c859e612fb61ae840fba10eef5a3b
SHA1 hash: d78e7dbc1b729577d1f0dd84676ee778b944890e
MD5 hash: 11069888abefb12d0d47dddb79acf1b7
humanhash: equal-mobile-texas-finch
File name:Scan_PI2.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:406'469 bytes
First seen:2023-05-03 10:46:36 UTC
Last seen:2023-05-03 11:41:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 93dfc16ed07ebeb5b405221f10d12c0e (30 x GuLoader, 4 x RemcosRAT, 1 x AgentTesla)
ssdeep 6144:o4E6JRqVYtTfGUj+GkCCb9rpyr+aHEt9wc2v5755k3V5ixg8horjGcxHrCS:o4EVUdpCZrpc+cEt9zm55k3riViDHrd
Threatray 19 similar samples on MalwareBazaar
TLSH T18C84F1C1A26441DBFCB90B7198376C2222E37E6CF8B1F41E969DB5A15F732C3191A50B
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 31090d1101010105 (4 x GuLoader)
Reporter abuse_ch
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
254
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan_PI2.exe
Verdict:
Malicious activity
Analysis date:
2023-05-03 10:50:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6537adad-3b9e-418e-91a2-819acb966556

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/386237/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65658518.23780.5037.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Searching for the window
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/82296/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64523ba83d47a64d306bbdb6/reports/fcb37e9c-c063-4036-aff7-7af9df802fb3/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1f5c3d81376e8e68444a656c628082e8122434a7c3e2bae38be437026302ec92
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/ec3c9489-c18e-4a1a-965d-d10b8b7f88d3
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1225258
Signature
Antivirus / Scanner detection for submitted sample
Mass process execution to delay analysis
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 858232 Sample: Scan_PI2.exe Startdate: 03/05/2023 Architecture: WINDOWS Score: 76 38 mindandbodyhomecare.com 2->38 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected GuLoader 2->46 48 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->48 8 Scan_PI2.exe 36 2->8         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\System.dll, PE32 8->36 dropped 50 Mass process execution to delay analysis 8->50 52 Tries to detect Any.run 8->52 12 Scan_PI2.exe 8->12         started        16 powershell.exe 8->16         started        18 powershell.exe 8->18         started        20 71 other processes 8->20 signatures6 process7 dnsIp8 40 mindandbodyhomecare.com 162.255.162.158, 443, 49813, 49815 PRIVATESYSTEMSUS United States 12->40 54 Tries to detect Any.run 12->54 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        28 conhost.exe 20->28         started        30 conhost.exe 20->30         started        32 68 other processes 20->32 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1f5c3d81376e8e68444a656c628082e8122434a7c3e2bae38be437026302ec92/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-02-24 07:03:57 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d5od3ajxn2hgqrckmvwgfaec5ajcinfhyprlvy4l4q3qeyyc5sja._file
Verdict:
malicious
Similar samples:
1d553ac8ec0a334e66ef3e6882b0273408cda75e2601460bf2bab8d6541cf289
GuLoader
1fd5511e287f166cac6d6c1eceecf16b5fccecb56656c6a501def0da6f8ccd05
GuLoader
23e34f785617fce57c1a18ab0f16a4ef8a3d850006497002fa9139f8c6200fe4
GuLoader
772308b9e65e5533176a0b3575bd922d7612209479652ba78849f29bf1d8f30d
GuLoader
920fe160ef3a22e69e296128b12731811355dec4de30b234ec133c27947f8945
GuLoader
9ba5a782ed55e2d34580cbe4691ee7ca2f79b9200f02e78c8440329b78f8c371
GuLoader
af0b6a6c7ad47ae4037d1beb849db6688c2a46dbbf3522fe323bd6e191cab471
GuLoader
b65f37c2f7def47bd57ae2837b9c422113da608c3b37a80f62e0332fb717546f
GuLoader
b98d60109c9ccfaac33c719992c026b59e3bc54bbe9fe24bc0fecaa016a02959
GuLoader
d379ffe32dfb2d6d386b6d9c3cbae49e49241ac25a14d2974c286bfa45aa50b9
GuLoader
+ 9 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230503-mvkyqsed35/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Loads dropped DLL
Unpacked files
SH256 hash:
ec156cb0f64588f8c34a7d45c57b250779143cf3816081829810a017f0cf966f
MD5 hash:
b3017435b63a99f6a3037cfe0c7c8b1e
SHA1 hash:
41a582b60f099b65f95ac64e1a5cdce0356a6b6f
Link:
https://www.unpac.me/results/82570418-1dda-4741-8c5f-8e61e11ed818/
SH256 hash:
9352c8971d0046a5526da1889f841eab8ef695e4786b6656f06af289cf32de44
MD5 hash:
402792a47412801287bc610a15cd6076
SHA1 hash:
f2990ac9e903bec596266bf1a1c340ec90ed4ee6
Link:
https://www.unpac.me/results/82570418-1dda-4741-8c5f-8e61e11ed818/
SH256 hash:
9a6a9370f1d152a169ac8b1e0e5baf5c6a0a7fe5fde863ec19008d15cea14e18
MD5 hash:
1f6ad8f7ee95ef0d2196e2a1a9f4819c
SHA1 hash:
3cd158298cb917dd5ad686d1ec93781911f460b0
Link:
https://www.unpac.me/results/82570418-1dda-4741-8c5f-8e61e11ed818/
SH256 hash:
1f5c3d81376e8e68444a656c628082e8122434a7c3e2bae38be437026302ec92
MD5 hash:
11069888abefb12d0d47dddb79acf1b7
SHA1 hash:
d78e7dbc1b729577d1f0dd84676ee778b944890e
Link:
https://www.unpac.me/results/82570418-1dda-4741-8c5f-8e61e11ed818/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1f5c3d81376e8e68444a656c628082e8122434a7c3e2bae38be437026302ec92

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX

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/386237/

Comments