MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b17de6384fa619dff0fe5e40d5e8f228eff8bb9544fa73e955a12f30018b8597. 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: 10


Intelligence 10 IOCs YARA File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b17de6384fa619dff0fe5e40d5e8f228eff8bb9544fa73e955a12f30018b8597
SHA3-384 hash: eee9e03f257f9c2855e03b13c84eee70e24f37f4a46e5a5326d34dccec443a364bdf0924f7762b80e2299c905ca1a457
SHA1 hash: 2cd95987a66d730a0d5b59c346b37ac500a833b7
MD5 hash: d812b208734d0b439bcc0a1be1970de9
humanhash: eleven-winter-butter-kitten
File name:d812b208734d0b439bcc0a1be1970de9
Download: download sample
Signature GuLoader
Create hunting rule
File size:371'488 bytes
First seen:2022-09-10 01:38:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (282 x GuLoader, 37 x RemcosRAT, 27 x VIPKeylogger)
ssdeep 6144:zp+gg5PJgKl4jw8pmRcKUfMFPNCnzzcynyf4SfWGq:1igKl9yIzNCzLoWGq
Threatray 3'163 similar samples on MalwareBazaar
TLSH T1D684BF617A80C1E1D5A56F33F91B89761A363D291620910F2374BF263FFD683DA2DB06
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 70f0d292ecf2f030 (9 x GuLoader)
Reporter zbetcheckin
Tags:32 exe GuLoader signed

Code Signing Certificate

Organisation:Pronubial Overcoy
Issuer:Pronubial Overcoy
Algorithm:sha256WithRSAEncryption
Valid from:2022-05-26T23:31:37Z
Valid to:2025-05-25T23:31:37Z
Serial number: -700f2fb5501c9c10
Thumbprint Algorithm:SHA256
Thumbprint: 56551e9cfe97b79e5a66ec29b0d58a06590e149312a7349ab93d5e68a072436b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
446
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d812b208734d0b439bcc0a1be1970de9
Verdict:
Malicious activity
Analysis date:
2022-09-10 01:39:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/18698640-7c7c-4290-9559-416c566dc0eb

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/309069/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61828043.19362.22612.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file
Searching for the window
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/37262/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/631beaa1d06d9bc4c7b2cbb7/reports/aedfca96-df8b-4a47-89a7-992dcc098cca/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/53059e04-7ba4-4bcc-890f-6d403290e334
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068067
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Installs a global keyboard hook
Mass process execution to delay analysis
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 700597 Sample: 7IcZgRDScI.exe Startdate: 10/09/2022 Architecture: WINDOWS Score: 100 130 gdyhjjdhbvxgsfe.gotdns.ch 2->130 140 Multi AV Scanner detection for domain / URL 2->140 142 Antivirus detection for URL or domain 2->142 144 Antivirus detection for dropped file 2->144 146 6 other signatures 2->146 12 7IcZgRDScI.exe 6 30 2->12         started        signatures3 process4 file5 122 C:\Users\user\AppData\Roaming\...\hgfs.dll, PE32+ 12->122 dropped 124 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 12->124 dropped 126 C:\Users\user\AppData\Local\...\System.dll, PE32 12->126 dropped 152 Mass process execution to delay analysis 12->152 154 Tries to detect Any.run 12->154 16 7IcZgRDScI.exe 12->16         started        21 powershell.exe 12->21         started        23 powershell.exe 12->23         started        25 126 other processes 12->25 signatures6 process7 dnsIp8 128 81.161.229.156, 49774, 49777, 80 CMCSUS Germany 16->128 112 C:\Users\user\AppData\Roaming\doc.exe, PE32 16->112 dropped 114 C:\Users\user\...\doc.exe:Zone.Identifier, ASCII 16->114 dropped 116 C:\Users\user\AppData\Local\...\install.vbs, data 16->116 dropped 138 Tries to detect Any.run 16->138 27 wscript.exe 16->27         started        29 conhost.exe 21->29         started        41 4 other processes 21->41 31 conhost.exe 23->31         started        33 conhost.exe 23->33         started        35 conhost.exe 25->35         started        37 conhost.exe 25->37         started        39 conhost.exe 25->39         started        43 199 other processes 25->43 file9 signatures10 process11 file12 46 cmd.exe 27->46         started        52 3 other processes 29->52 54 3 other processes 31->54 48 conhost.exe 33->48         started        56 4 other processes 35->56 58 2 other processes 37->58 50 conhost.exe 39->50         started        60 4 other processes 41->60 118 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 43->118 dropped 120 C:\Users\user\AppData\Local\...\System.dll, PE32 43->120 dropped 62 105 other processes 43->62 process13 process14 64 doc.exe 46->64         started        68 conhost.exe 46->68         started        74 3 other processes 50->74 70 conhost.exe 52->70         started        76 2 other processes 54->76 78 4 other processes 56->78 80 3 other processes 58->80 72 conhost.exe 60->72         started        82 25 other processes 62->82 file15 108 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 64->108 dropped 110 C:\Users\user\AppData\Local\...\System.dll, PE32 64->110 dropped 134 Multi AV Scanner detection for dropped file 64->134 136 Tries to detect Any.run 64->136 84 doc.exe 64->84         started        88 conhost.exe 74->88         started        90 conhost.exe 74->90         started        92 conhost.exe 76->92         started        94 conhost.exe 76->94         started        96 conhost.exe 76->96         started        98 2 other processes 78->98 100 2 other processes 80->100 102 5 other processes 82->102 signatures16 process17 dnsIp18 132 gdyhjjdhbvxgsfe.gotdns.ch 37.139.129.71, 2718, 49778 LVLT-10753US Germany 84->132 148 Tries to detect Any.run 84->148 150 Installs a global keyboard hook 84->150 104 conhost.exe 88->104         started        106 conhost.exe 92->106         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b17de6384fa619dff0fe5e40d5e8f228eff8bb9544fa73e955a12f30018b8597/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2022-09-06 03:02:07 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wf66mocpuym574h6lzanl2hsfdx7ro4vit5hh2kvuextaamlqwlq._file
Verdict:
malicious
Similar samples:
088999945f71cb731f4fa4d6e73591ecdf1829306a6dca66be75947fc0c8d00b
GuLoader
60952b7b0b3edeb47b07f1d2a0fb87856b165550e47c605c4ef4fb1da699a332
GuLoader
6b1df4cb218093a57a5646f0d6ece41d548fae6cce51d90d1540686d747069b6
GuLoader
8f4d63fea00eca6d91147de6a10b7aae6069f164ef00d5986eff571249552dae
GuLoader
9fff2ab375e26431e4cd6f35aa3b1446a4cba8ec78d0bd61bde694ee6474ded4
GuLoader
a89c531ad157965de03cf15ab2783f0b24e6db0981556a7bf5ad8fe5c7d66ef5
GuLoader
b5bcbfe8ba02879ac963d4f9ed48203c934e80edb58b814129ad836544f2c3a3
GuLoader
d87e7752ee36b46b902d88317b5c5b172927760a4f171c95f812991ec62ae963
GuLoader
ed20ff85f5df587140e0780e16a5eb28df94e1b6330c8256de39d94b5a772e83
GuLoader
f857890d674a9d4abd8ef6d735c7c03eef0a75777c64cb4a62917d12b68dcbfa
GuLoader
+ 3'153 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/220910-b2yydshdf3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
MD5 hash:
75ed96254fbf894e42058062b4b4f0d1
SHA1 hash:
996503f1383b49021eb3427bc28d13b5bbd11977
Link:
https://www.unpac.me/results/50d34d91-3fe5-4154-9b0f-2c217fe5e63b/
SH256 hash:
8bdd996ae4778c6f829e2bcb651c55efc9ec37eeea17d259e013b39528dddbb6
MD5 hash:
3d366250fcf8b755fce575c75f8c79e4
SHA1 hash:
2ebac7df78154738d41aac8e27d7a0e482845c57
Link:
https://www.unpac.me/results/50d34d91-3fe5-4154-9b0f-2c217fe5e63b/
SH256 hash:
bb7e367bee3e91651d444db3c2f0997de914650547c66473bb201a2724d49196
MD5 hash:
6ea4aa54a7837e790c0b822dc8c27cd6
SHA1 hash:
1ed173163c496c482b36ef737fb6832e2b82cb6e
Link:
https://www.unpac.me/results/50d34d91-3fe5-4154-9b0f-2c217fe5e63b/
SH256 hash:
b17de6384fa619dff0fe5e40d5e8f228eff8bb9544fa73e955a12f30018b8597
MD5 hash:
d812b208734d0b439bcc0a1be1970de9
SHA1 hash:
2cd95987a66d730a0d5b59c346b37ac500a833b7
Link:
https://www.unpac.me/results/50d34d91-3fe5-4154-9b0f-2c217fe5e63b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.17
Link:
https://yomi.yoroi.company/submissions/b17de6384fa619dff0fe5e40d5e8f228eff8bb9544fa73e955a12f30018b8597

File information

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

Web download

GuLoader

Executable exe b17de6384fa619dff0fe5e40d5e8f228eff8bb9544fa73e955a12f30018b8597

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2298264/
Cape
Cape
https://www.capesandbox.com/analysis/309069/

Comments


Avatar
zbet commented on 2022-09-10 01:38:30 UTC

url : hxxp://81.161.229.156/HHH.exe