MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fa4a11b501e03019ad7b90d08c297554cd7c5e9b49de7aacfba190db630e5a4. 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: 7fa4a11b501e03019ad7b90d08c297554cd7c5e9b49de7aacfba190db630e5a4
SHA3-384 hash: aa561a38afbe648f6ff9e1edc0419c26339ec029a108c901d9329475f315187176d04c968f21777b272a489e321d3a54
SHA1 hash: e394d7796f0049fcac77ab04a907302cd531aa89
MD5 hash: dca24431d954fa324671610851f520df
humanhash: crazy-washington-stairway-oranges
File name:dca24431d954fa324671610851f520df
Download: download sample
Signature GuLoader
Create hunting rule
File size:373'040 bytes
First seen:2022-09-10 01:20:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (282 x GuLoader, 38 x RemcosRAT, 27 x VIPKeylogger)
ssdeep 6144:Lp+gg5PJgKl4jw8pmRpLXPF9SRYQ/om3sglkcyMmuPSPuy/7d:NigKl9yIpLN9hnm3sJdMf6Pz
Threatray 3'160 similar samples on MalwareBazaar
TLSH T13B84BFA17A50D1E1D5A56F33F92B857616366D2E2630800F2374BF173FBD283C92AB06
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:Pleurotribal Valew
Issuer:Pleurotribal Valew
Algorithm:sha256WithRSAEncryption
Valid from:2021-12-06T02:29:16Z
Valid to:2024-12-05T02:29:16Z
Serial number: -0385394dc26be0bc
Thumbprint Algorithm:SHA256
Thumbprint: df2a7069edf1dacacc1acf5f59208227548f70047f586f2cb418d0503499e8cc
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
420
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dca24431d954fa324671610851f520df
Verdict:
Malicious activity
Analysis date:
2022-09-10 01:20:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/adcf1699-bad2-4aa3-9abf-d2e36087e4f0

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/309063/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61886202.9947.12559.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/37259/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
75%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/631be682cb9a0650c555137c/reports/4cbe083b-be71-40d2-a8fd-3ed6f9aff438/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/c3e073bc-c3e1-4bc0-81c8-cf3d06f2705e
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068062
Signature
Antivirus detection for dropped file
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
Sample uses process hollowing technique
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: 700591 Sample: dzxyh9WShN.exe Startdate: 10/09/2022 Architecture: WINDOWS Score: 100 151 amegroupofschoos32.sytes.net 2->151 155 Multi AV Scanner detection for domain / URL 2->155 157 Antivirus detection for dropped file 2->157 159 Multi AV Scanner detection for submitted file 2->159 161 2 other signatures 2->161 13 dzxyh9WShN.exe 6 30 2->13         started        17 dos.exe 2->17         started        19 dos.exe 2->19         started        signatures3 process4 file5 137 C:\Users\user\AppData\Roaming\...\hgfs.dll, PE32+ 13->137 dropped 139 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 13->139 dropped 141 C:\Users\user\AppData\Local\...\System.dll, PE32 13->141 dropped 175 Mass process execution to delay analysis 13->175 177 Tries to detect Any.run 13->177 21 dzxyh9WShN.exe 13->21         started        26 powershell.exe 13->26         started        28 powershell.exe 13->28         started        34 127 other processes 13->34 143 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 17->143 dropped 145 C:\Users\user\AppData\Local\...\System.dll, PE32 17->145 dropped 30 WerFault.exe 17->30         started        147 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 19->147 dropped 149 C:\Users\user\AppData\Local\...\System.dll, PE32 19->149 dropped 32 WerFault.exe 19->32         started        signatures6 process7 dnsIp8 153 81.161.229.156, 49772, 49801, 80 CMCSUS Germany 21->153 127 C:\Users\user\AppData\Roaming\dos.exe, PE32 21->127 dropped 129 C:\Users\user\...\dos.exe:Zone.Identifier, ASCII 21->129 dropped 131 C:\Users\user\AppData\Local\...\install.vbs, data 21->131 dropped 163 Tries to detect Any.run 21->163 36 wscript.exe 21->36         started        48 2 other processes 21->48 38 conhost.exe 26->38         started        40 conhost.exe 28->40         started        50 4 other processes 28->50 42 conhost.exe 34->42         started        44 conhost.exe 34->44         started        46 conhost.exe 34->46         started        52 206 other processes 34->52 file9 signatures10 process11 process12 54 4 other processes 36->54 56 2 other processes 38->56 58 2 other processes 40->58 60 4 other processes 42->60 62 5 other processes 44->62 64 4 other processes 46->64 66 3 other processes 48->66 68 3 other processes 50->68 70 137 other processes 52->70 process13 72 4 other processes 54->72 76 4 other processes 56->76 78 2 other processes 58->78 80 2 other processes 60->80 82 3 other processes 62->82 84 3 other processes 64->84 86 2 other processes 66->86 88 2 other processes 68->88 90 60 other processes 70->90 file14 133 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 72->133 dropped 135 C:\Users\user\AppData\Local\...\System.dll, PE32 72->135 dropped 165 Multi AV Scanner detection for dropped file 72->165 167 Tries to detect Any.run 72->167 169 Sample uses process hollowing technique 72->169 92 dos.exe 72->92         started        101 3 other processes 72->101 95 conhost.exe 76->95         started        103 3 other processes 76->103 105 3 other processes 80->105 97 conhost.exe 82->97         started        99 conhost.exe 84->99         started        107 2 other processes 88->107 109 21 other processes 90->109 signatures15 process16 signatures17 171 Tries to detect Any.run 92->171 173 Installs a global keyboard hook 92->173 111 conhost.exe 95->111         started        113 conhost.exe 103->113         started        115 conhost.exe 103->115         started        117 conhost.exe 105->117         started        process18 process19 119 conhost.exe 111->119         started        121 conhost.exe 111->121         started        123 conhost.exe 111->123         started        125 conhost.exe 113->125         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7fa4a11b501e03019ad7b90d08c297554cd7c5e9b49de7aacfba190db630e5a4/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2022-09-08 03:44:09 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=p6skcg2qdybqdgwxxegqrquxkvgnprpjwso6pkwpximq3nrq4wsa._file
Verdict:
malicious
Similar samples:
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60952b7b0b3edeb47b07f1d2a0fb87856b165550e47c605c4ef4fb1da699a332
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6b1df4cb218093a57a5646f0d6ece41d548fae6cce51d90d1540686d747069b6
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8f4d63fea00eca6d91147de6a10b7aae6069f164ef00d5986eff571249552dae
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9fff2ab375e26431e4cd6f35aa3b1446a4cba8ec78d0bd61bde694ee6474ded4
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a89c531ad157965de03cf15ab2783f0b24e6db0981556a7bf5ad8fe5c7d66ef5
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b5bcbfe8ba02879ac963d4f9ed48203c934e80edb58b814129ad836544f2c3a3
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d87e7752ee36b46b902d88317b5c5b172927760a4f171c95f812991ec62ae963
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ed20ff85f5df587140e0780e16a5eb28df94e1b6330c8256de39d94b5a772e83
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f857890d674a9d4abd8ef6d735c7c03eef0a75777c64cb4a62917d12b68dcbfa
GuLoader
+ 3'150 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/220910-bqnnaadbbj/
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/94fa0a5a-b1b6-48bc-ad05-cf20822c7c6d/
SH256 hash:
8bdd996ae4778c6f829e2bcb651c55efc9ec37eeea17d259e013b39528dddbb6
MD5 hash:
3d366250fcf8b755fce575c75f8c79e4
SHA1 hash:
2ebac7df78154738d41aac8e27d7a0e482845c57
Link:
https://www.unpac.me/results/94fa0a5a-b1b6-48bc-ad05-cf20822c7c6d/
SH256 hash:
bb7e367bee3e91651d444db3c2f0997de914650547c66473bb201a2724d49196
MD5 hash:
6ea4aa54a7837e790c0b822dc8c27cd6
SHA1 hash:
1ed173163c496c482b36ef737fb6832e2b82cb6e
Link:
https://www.unpac.me/results/94fa0a5a-b1b6-48bc-ad05-cf20822c7c6d/
SH256 hash:
7fa4a11b501e03019ad7b90d08c297554cd7c5e9b49de7aacfba190db630e5a4
MD5 hash:
dca24431d954fa324671610851f520df
SHA1 hash:
e394d7796f0049fcac77ab04a907302cd531aa89
Link:
https://www.unpac.me/results/94fa0a5a-b1b6-48bc-ad05-cf20822c7c6d/
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/7fa4a11b501e03019ad7b90d08c297554cd7c5e9b49de7aacfba190db630e5a4

File information

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

Web download

GuLoader

Executable exe 7fa4a11b501e03019ad7b90d08c297554cd7c5e9b49de7aacfba190db630e5a4

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2298245/
Cape
Cape
https://www.capesandbox.com/analysis/309063/

Comments


Avatar
zbet commented on 2022-09-10 01:20:28 UTC

url : hxxp://81.161.229.156/URR.exe