MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d1b42e62eba086724dc9ea595221c9844b640c27c0422f9c3c12f89916456f2. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5d1b42e62eba086724dc9ea595221c9844b640c27c0422f9c3c12f89916456f2
SHA3-384 hash: 7f1dd0c0052c7f2a9cc7d4e0b92a015f10e794e3850cfa28607b9d9f65339f2a27cf9104f05c8cbdb619016edc206226
SHA1 hash: 5ae6e419598abc85100ca660443bdb73b333c1ee
MD5 hash: 6d17e22731379985307dca37f2a207ef
humanhash: bluebird-virginia-stairway-william
File name:6d17e22731379985307dca37f2a207ef
Download: download sample
Signature GuLoader
Create hunting rule
File size:284'632 bytes
First seen:2022-06-16 06:28:49 UTC
Last seen:2022-06-16 07:52:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:gbE/HU7P9T6l1jZi1JbGloGoLfzWsspZILaf3zODZ9FBUozL7X4Mcd1/LXrfMm1e:gbPP9T6l1jZi1JbGloGoLfzWsspZILa9
Threatray 3'202 similar samples on MalwareBazaar
TLSH T1E254E0757250D691F8734AB020198CBDCA65DDF5264DE8CA32B1775B9BF33D48B3A220
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 b874cccccccccce0 (3 x GuLoader)
Reporter zbetcheckin
Tags:32 exe GuLoader signed

Code Signing Certificate

Organisation:LAEREANSTALTER tommelskruernes Draen9 Oprejsningsbevilling
Issuer:LAEREANSTALTER tommelskruernes Draen9 Oprejsningsbevilling
Algorithm:sha256WithRSAEncryption
Valid from:2022-06-16T05:29:48Z
Valid to:2023-06-16T05:29:48Z
Serial number: 6336e2d0b327afa5
Thumbprint Algorithm:SHA256
Thumbprint: 4837b21ed8f03fd95cd011b0c9aac67ee4b82733d75c7c7bd1e32df8059d5ec2
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5d1b42e62eba086724dc9ea595221c9844b640c27c0422f9c3c12f89916456f2.zip
Verdict:
Malicious activity
Analysis date:
2022-06-16 16:12:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fe433a21-ac22-426b-8a54-df13710f898b

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/280524/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.8283.25599.19078.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Delayed reading of the file
Creating a file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/21562/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/62aacdba473553ed31948b50/reports/80fa2e63-ac7b-4873-8cdf-0a3d2062ee4f/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:
Malicious
Link:
https://analyze.intezer.com/analyses/d82669fd-130e-4431-98a8-d3205f7ee8f8
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1014415
Signature
C2 URLs / IPs found in malware configuration
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: 646909 Sample: 69Q1DvZOTF.exe Startdate: 16/06/2022 Architecture: WINDOWS Score: 100 24 onedrive.live.com 2->24 26 mail.sundyotanumandis.com 2->26 28 4 other IPs or domains 2->28 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected GuLoader 2->38 40 Yara detected AgentTesla 2->40 42 2 other signatures 2->42 8 69Q1DvZOTF.exe 5 27 2->8         started        signatures3 process4 file5 18 C:\Users\user\AppData\Local\...\uImageGen.dll, PE32 8->18 dropped 20 C:\Users\user\AppData\Local\...\System.dll, PE32 8->20 dropped 22 C:\Users\user\...\QCA.HDP.CustomControls.dll, PE32+ 8->22 dropped 44 Writes to foreign memory regions 8->44 46 Tries to detect Any.run 8->46 12 CasPol.exe 25 8->12         started        signatures6 process7 dnsIp8 30 mail.sundyotanumandis.com 170.249.198.162, 26, 49749, 49756 PRIVATESYSTEMSUS United States 12->30 32 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49741 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->32 34 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49739, 49740 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->34 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->50 52 Tries to steal Mail credentials (via file / registry access) 12->52 54 4 other signatures 12->54 16 conhost.exe 12->16         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5d1b42e62eba086724dc9ea595221c9844b640c27c0422f9c3c12f89916456f2/
Threat name:
Win32.Downloader.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2022-06-16 06:29:10 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
13 of 26 (50.00%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lunufzroxiegojg4t2szkiq4tbclmqgcpqccf6odyexytelek3za._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
1235559275e785007232e4aee35bd0609d1e52da4900ac8526ff54b592d63c6b
GuLoader
704ad16ef9755c35a9f52a3cd99f8ea83a53a6f7786472b3ea458eeb9730505b
GuLoader
785e0ff473552935ca1c597ceabab86f74a07b7ca6bfc58531a7c2fe74539853
GuLoader
78f8221d10ca5af256eefa0376f55e4688e00005317ab0bfb59f5406f9ed16ae
GuLoader
bbd7431d0d5272927e67c43cd961df4d855a4dcd080373355f980d61ff110337
GuLoader
bfcd5670bfa7bc6ccbf5d9b13ef3993e852f40b1d77b6854c99d1cee1558e78a
GuLoader
c28bfc6622b79ac2f1b1d57425553dd13c14648be45776e5070f78624b4ae1b8
GuLoader
d84b6f3b066ab525f9a42b819e618196568925ebe76eafb545ce8376f1ea223c
GuLoader
dd1ed5209c967dd24b1a861d3eb959a0d52a3ed54a9e0e39685ec5269760f91a
GuLoader
+ 3'192 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/220616-g8wz9sfaej/
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
Link:
https://www.unpac.me/results/a2facfa2-80a2-498c-b777-34b6f71901ba/
SH256 hash:
5d1b42e62eba086724dc9ea595221c9844b640c27c0422f9c3c12f89916456f2
MD5 hash:
6d17e22731379985307dca37f2a207ef
SHA1 hash:
5ae6e419598abc85100ca660443bdb73b333c1ee
Link:
https://www.unpac.me/results/a2facfa2-80a2-498c-b777-34b6f71901ba/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5d1b42e62eba/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.03
Link:
https://yomi.yoroi.company/submissions/5d1b42e62eba086724dc9ea595221c9844b640c27c0422f9c3c12f89916456f2

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

File information

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

Web download

GuLoader

Executable exe 5d1b42e62eba086724dc9ea595221c9844b640c27c0422f9c3c12f89916456f2

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2239979/
Cape
Cape
https://www.capesandbox.com/analysis/280524/

Comments


Avatar
zbet commented on 2022-06-16 06:28:56 UTC

url : hxxp://103.171.1.178/ssh/vbc.exe