MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d12aced2f179361c780e3106df5e3d7dbf8ec142ff1d45450d4c6d955cff6da2. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d12aced2f179361c780e3106df5e3d7dbf8ec142ff1d45450d4c6d955cff6da2
SHA3-384 hash: 0448bc97a172f22fb183b31c9f572200dc91f025d70279a0c68f42a91d08aa108a29f6cb339ede11b23fc8d562280701
SHA1 hash: 8b4ff64c93cb53d53b739b51fd44bf3d35273beb
MD5 hash: 4362696ab88e0849236d097bc3d92d39
humanhash: finch-magnesium-friend-stream
File name:PO_05964_pdf.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:300'144 bytes
First seen:2022-06-21 04:22:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (728 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:4NeZ3mR5aRREji91iF4CsrgIawa1SO4YppC+oUnVKyr8EKcfjq:4NjRdi9RawaEONpbbnVRK
Threatray 3'267 similar samples on MalwareBazaar
TLSH T12A54DF203B91CC5BC5672AB4387DD27437A86D2FA629C3034BF0FD9BBDB52816C19685
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 d8f0f0f0d0f4c4fc (1 x GuLoader)
Reporter GovCERT_CH
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/281777/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Searching for the window
Creating a file in the %AppData% subdirectories
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/22112/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nemesis overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/62b14783bb1673414d911269/reports/7d277230-e4c8-4822-96bd-840afc94283b/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/fc528fdd-2e75-4887-bede-9a8d5cb3e6f4
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016799
Signature
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for dropped file
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to resolve many domain names, but no domain seems valid
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 649295 Sample: PO_05964_pdf.exe Startdate: 21/06/2022 Architecture: WINDOWS Score: 100 85 www.m3ltp.xyz 2->85 87 www.filocks.com 2->87 89 70 other IPs or domains 2->89 117 Snort IDS alert for network traffic 2->117 119 Malicious sample detected (through community Yara rule) 2->119 121 Multi AV Scanner detection for dropped file 2->121 127 6 other signatures 2->127 11 PO_05964_pdf.exe 6 30 2->11         started        signatures3 123 Performs DNS queries to domains with low reputation 87->123 125 Tries to resolve many domain names, but no domain seems valid 87->125 process4 file5 83 C:\Users\user\AppData\Local\...\System.dll, PE32 11->83 dropped 157 Tries to detect Any.run 11->157 15 PO_05964_pdf.exe 6 11->15         started        signatures6 process7 dnsIp8 97 review-info-session423.cf 193.31.30.98, 443, 49760, 49789 QUICKPACKETUS United Kingdom 15->97 99 Modifies the context of a thread in another process (thread injection) 15->99 101 Tries to detect Any.run 15->101 103 Maps a DLL or memory area into another process 15->103 105 2 other signatures 15->105 19 explorer.exe 6 6 15->19 injected 24 msiexec.exe 15->24         started        signatures9 process10 dnsIp11 91 www.madelineklass.com 64.98.145.30, 49817, 49874, 49875 TUCOWS-3CA Canada 19->91 93 crsogigov.xyz 157.90.176.32, 49776, 49777, 49802 REDIRISRedIRISAutonomousSystemES United States 19->93 95 36 other IPs or domains 19->95 75 C:\Users\user\AppData\Local\...\-zlapx.exe, PE32 19->75 dropped 129 System process connects to network (likely due to code injection or exploit) 19->129 131 Benign windows process drops PE files 19->131 26 raserver.exe 19->26         started        29 cscript.exe 19->29         started        31 svchost.exe 19->31         started        41 5 other processes 19->41 133 Tries to steal Mail credentials (via file / registry access) 24->133 135 Writes to foreign memory regions 24->135 137 Modifies the context of a thread in another process (thread injection) 24->137 139 2 other signatures 24->139 33 cmd.exe 24->33         started        35 cmd.exe 24->35         started        37 cmd.exe 24->37         started        39 firefox.exe 24->39         started        file12 signatures13 process14 file15 141 Tries to steal Mail credentials (via file / registry access) 26->141 143 Tries to harvest and steal browser information (history, passwords, etc) 26->143 145 Modifies the context of a thread in another process (thread injection) 26->145 57 2 other processes 26->57 147 Creates autostart registry keys with suspicious names 29->147 149 Writes to foreign memory regions 29->149 151 Maps a DLL or memory area into another process 29->151 59 3 other processes 29->59 153 Injects a PE file into a foreign processes 31->153 61 3 other processes 31->61 44 conhost.exe 33->44         started        46 conhost.exe 35->46         started        48 conhost.exe 37->48         started        77 C:\Users\user\AppData\Local\...\System.dll, PE32 41->77 dropped 79 C:\Users\user\AppData\Local\...\System.dll, PE32 41->79 dropped 81 C:\Users\user\AppData\Local\...\System.dll, PE32 41->81 dropped 155 Tries to detect Any.run 41->155 50 -zlapx.exe 41->50         started        53 -zlapx.exe 41->53         started        55 -zlapx.exe 41->55         started        signatures16 process17 signatures18 107 Modifies the context of a thread in another process (thread injection) 50->107 109 Tries to detect Any.run 50->109 111 Maps a DLL or memory area into another process 50->111 113 Sample uses process hollowing technique 53->113 115 Tries to harvest and steal browser information (history, passwords, etc) 57->115 63 conhost.exe 57->63         started        65 conhost.exe 57->65         started        67 conhost.exe 59->67         started        69 conhost.exe 59->69         started        71 conhost.exe 61->71         started        73 conhost.exe 61->73         started        process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d12aced2f179361c780e3106df5e3d7dbf8ec142ff1d45450d4c6d955cff6da2/
Threat name:
Win32.Trojan.Shelsy
Create hunting rule
Status:
Malicious
First seen:
2022-06-21 00:37:56 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2evm5uxrpe3by6aogedn6xr5pw7y5qkc74oukrinjrwzkxh7nwra._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
1235559275e785007232e4aee35bd0609d1e52da4900ac8526ff54b592d63c6b
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704ad16ef9755c35a9f52a3cd99f8ea83a53a6f7786472b3ea458eeb9730505b
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785e0ff473552935ca1c597ceabab86f74a07b7ca6bfc58531a7c2fe74539853
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78f8221d10ca5af256eefa0376f55e4688e00005317ab0bfb59f5406f9ed16ae
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bbd7431d0d5272927e67c43cd961df4d855a4dcd080373355f980d61ff110337
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bfcd5670bfa7bc6ccbf5d9b13ef3993e852f40b1d77b6854c99d1cee1558e78a
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c28bfc6622b79ac2f1b1d57425553dd13c14648be45776e5070f78624b4ae1b8
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d84b6f3b066ab525f9a42b819e618196568925ebe76eafb545ce8376f1ea223c
GuLoader
dd1ed5209c967dd24b1a861d3eb959a0d52a3ed54a9e0e39685ec5269760f91a
GuLoader
+ 3'257 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/220621-ezsv5sbecp/
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/d6ee6459-20c9-4abf-8c62-99ee99ac1cd9/
SH256 hash:
d12aced2f179361c780e3106df5e3d7dbf8ec142ff1d45450d4c6d955cff6da2
MD5 hash:
4362696ab88e0849236d097bc3d92d39
SHA1 hash:
8b4ff64c93cb53d53b739b51fd44bf3d35273beb
Link:
https://www.unpac.me/results/d6ee6459-20c9-4abf-8c62-99ee99ac1cd9/
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/d12aced2f179361c780e3106df5e3d7dbf8ec142ff1d45450d4c6d955cff6da2

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.

Malspam

GuLoader

Executable exe d12aced2f179361c780e3106df5e3d7dbf8ec142ff1d45450d4c6d955cff6da2

(this sample)

  
Dropped by
guloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/281777/

Comments