MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0cffea5daeb941cc6235f4de2fe2ba348ff08742d196ffc68bc8d7f1109596fd. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0cffea5daeb941cc6235f4de2fe2ba348ff08742d196ffc68bc8d7f1109596fd
SHA3-384 hash: f73d8dd0e45e16d4782ed31c97f335b4a302ffb4d66389247ba1580ed45786f6b6f3722babcd66aa9262136406b1ba8c
SHA1 hash: 0fa6ba3c9799301fcdb529abcb5d7098c5c3fdba
MD5 hash: 5cad52271422b36941487ad44a7ade44
humanhash: thirteen-emma-shade-minnesota
File name:5cad52271422b36941487ad44a7ade44
Download: download sample
Signature GuLoader
Create hunting rule
File size:261'560 bytes
First seen:2023-07-16 08:20:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 6144:RC2fT8maVl1F4rxzEc2qauQpeLXsS9ECZXQE3yH:pSv4rxwc2qweLXsSpX3yH
Threatray 1'985 similar samples on MalwareBazaar
TLSH T1C844232265D2E8ABE5D04DB2FEA3B29AD1714F801231DB5B97407F74352ACE68E07306
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 9088a2f178b05e2c (6 x GuLoader, 1 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-09-10T10:33:42Z
Valid to:2025-09-09T10:33:42Z
Serial number: 5d6e22c38e6bea323c071e507f3ce8e6eebadfe6
Thumbprint Algorithm:SHA256
Thumbprint: e59dbd9822d49685bab945df2a2ecdb13d36fa3d1560338378f3a96d253ffffb
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
339
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Compr..NotaFiscal3713.xls
Verdict:
Malicious activity
Analysis date:
2023-07-16 08:23:24 UTC
Tags:
exploit cve-2017-11882 opendir loader
Link:
https://app.any.run/tasks/3ec86845-46c1-4406-9f74-b024ff6d95aa

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/421144/
Detection(s):
SecuriteInfo.com.Variant.Tedy.399603.31943.19642.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64b3a86ffd9e198dc1148c4b/reports/490828d1-2475-4021-b4cc-419520758694/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/0cffea5daeb941cc6235f4de2fe2ba348ff08742d196ffc68bc8d7f1109596fd
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/a1ee89fb-6d44-46bc-9917-37a5d45dde9a
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1273843
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1273843 Sample: 9nd1wnVl4k.exe Startdate: 16/07/2023 Architecture: WINDOWS Score: 100 34 www.zingyi.com 2->34 36 www.xigauij.cfd 2->36 38 17 other IPs or domains 2->38 56 Snort IDS alert for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 8 other signatures 2->62 11 9nd1wnVl4k.exe 5 34 2->11         started        signatures3 process4 file5 30 C:\Users\user\...\libpixbufloader-icns.dll, PE32+ 11->30 dropped 32 C:\Users\user\AppData\Local\...\System.dll, PE32 11->32 dropped 70 Tries to detect Any.run 11->70 15 9nd1wnVl4k.exe 6 11->15         started        signatures6 process7 dnsIp8 46 198.23.156.248, 50264, 80 AS-COLOCROSSINGUS United States 15->46 48 Modifies the context of a thread in another process (thread injection) 15->48 50 Tries to detect Any.run 15->50 52 Maps a DLL or memory area into another process 15->52 54 2 other signatures 15->54 19 explorer.exe 7 1 15->19 injected signatures9 process10 dnsIp11 40 www.1cdpwp.cfd 107.148.29.94, 50269, 50270, 80 PEGTECHINCUS United States 19->40 42 www.kwhkqovf.cfd 150.95.255.38, 50271, 50275, 80 INTERQGMOInternetIncJP Japan 19->42 44 7 other IPs or domains 19->44 64 System process connects to network (likely due to code injection or exploit) 19->64 23 explorer.exe 19->23         started        signatures12 process13 signatures14 66 Modifies the context of a thread in another process (thread injection) 23->66 68 Maps a DLL or memory area into another process 23->68 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0cffea5daeb941cc6235f4de2fe2ba348ff08742d196ffc68bc8d7f1109596fd/
Threat name:
Win32.Trojan.Makoob
Create hunting rule
Status:
Malicious
First seen:
2023-07-15 08:37:23 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bt76uxnoxfa4yyrv6tpc7yv2gsh7bb2c2glp7rulzdl7ceevs36q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
12d7296fa8ee95861d67877223842af8b28608bc8ea32cdff1c269701da3727e
GuLoader
18b15672bacee7b796cee3c6beffde75c0f7ae628b4575778fe3328687f9a9ed
GuLoader
40e40c04f4357fec11cb9037a802efbe582a4ac64e215909f2c7770475e5a252
GuLoader
48bd774210f381b63ba719ff062f5000c3e1ed8648f5df60530b2e65d5447c01
GuLoader
6db833ede0af9d00bf80c1fe134e947b1ec44bff55713251669021af1d8dac20
GuLoader
7a55e4b3f800275bc0f7c00cd337d0dd83379ef845fce3fa55b86d68092c1b9c
GuLoader
88dab0ee02a70b83cb4c99ffa6e809c2789c9e1d55cdcd92454f73bf9d5effa4
GuLoader
bf10226e9ddcf64215ca45ede48c6a2d61fbfe2cb3e1cea7f0ebee38e6a3c707
GuLoader
c1e64e86dd89a5820bbb518ead2176741f91d3bf5c579e154533d44e816c1f76
GuLoader
e54d5060f522ac4aae58c95d299bff21e5e6e014c941cd0a9e88485ea29e4ebc
GuLoader
+ 1'975 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:guloader campaign:ms14 discovery downloader rat spyware stealer trojan
Link:
https://tria.ge/reports/230716-j8zr9sed3v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks QEMU agent file
Loads dropped DLL
Formbook payload
Guloader,Cloudeye
Formbook
Unpacked files
SH256 hash:
4c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78
MD5 hash:
375e8a08471dc6f85f3828488b1147b3
SHA1 hash:
1941484ac710fc301a7d31d6f1345e32a21546af
Link:
https://www.unpac.me/results/c520f13f-4cd9-4c2b-87e5-31830a0242eb/
SH256 hash:
0cffea5daeb941cc6235f4de2fe2ba348ff08742d196ffc68bc8d7f1109596fd
MD5 hash:
5cad52271422b36941487ad44a7ade44
SHA1 hash:
0fa6ba3c9799301fcdb529abcb5d7098c5c3fdba
Link:
https://www.unpac.me/results/c520f13f-4cd9-4c2b-87e5-31830a0242eb/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0cffea5daeb9/report/overview.html
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/0cffea5daeb941cc6235f4de2fe2ba348ff08742d196ffc68bc8d7f1109596fd

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Web download

GuLoader

Executable exe 0cffea5daeb941cc6235f4de2fe2ba348ff08742d196ffc68bc8d7f1109596fd

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2683708/
Cape
Cape
https://www.capesandbox.com/analysis/421144/

Comments


Avatar
zbet commented on 2023-07-16 08:20:12 UTC

url : hxxp://198.23.156.248/85/wine.exe