MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6eeeb05646dc1c6db8f8fb818a3148548100334ec73108506e5434e5f18b8888. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: 6eeeb05646dc1c6db8f8fb818a3148548100334ec73108506e5434e5f18b8888
SHA3-384 hash: 280518e8dc4662efb99e5c4d220e82d3af9d73ace3e360035b75c838e43cc110bf22ec840e41e1cf787f8d94fac5daee
SHA1 hash: 0080df12b526a8ac89af085eeda23f6a290ef1d8
MD5 hash: f7e8f57930c0d1fc31ebcfd9d1aef81b
humanhash: mississippi-nitrogen-gee-monkey
File name:Vikariere.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:887'750 bytes
First seen:2023-10-03 13:50:08 UTC
Last seen:2023-10-03 14:37:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 671f2a1f8aee14d336bab98fea93d734 (182 x GuLoader, 4 x Formbook, 4 x RemcosRAT)
ssdeep 24576:INPx3TpyRc/t1WG9XgdJpSz6uc1L9J8xVCT5ATqY2BXY6+g7:mBTgRcLWfnSz6VL9J8xVCT5AT2Y6N
Threatray 291 similar samples on MalwareBazaar
TLSH T1BC1523A462F0D99BC67B117495EB471CDAF4ED22E096634BCF113D6CADB3B4192322C8
TrID 39.5% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter malwarelabnet
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
271
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
9ad0b4f7-0bff-0318-6ff6-dbfa32a58c43.eml
Verdict:
Malicious activity
Analysis date:
2023-10-03 05:53:02 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/cfaa3026-8c48-476c-bdcd-24c08da98727

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Siggen21.35131.26069.4203.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Gathering data
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6eeeb05646dc1c6db8f8fb818a3148548100334ec73108506e5434e5f18b8888
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/939f703b-4563-461f-af94-5f8128a97f43
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1318753
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6eeeb05646dc1c6db8f8fb818a3148548100334ec73108506e5434e5f18b8888/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-02 09:34:44 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n3xlavsg3qog3ohy7oayumkiksaqam2oy4yqqudokq2ol4mlrcea._file
Verdict:
malicious
Similar samples:
09d071d33e9aedd10788a8fb405416f40be21301f741e1c2690007cfad11a219
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1a340a1a7fac27ac3b7457ae56e0aa92a493c74a4fb4507d27245293783e8edd
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2123ed455056e9b004781b40a5210e0b9d10bac6fbc49ce063b2b9209eeb508b
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6518dc835d22e7520ce00460a18304bce53a4dee89b4236dcacf3b4f071868d1
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87a8c6294c7bfeece375857edf3b1a16a2a7c1d42fc9f2463e31f45b36135ef1
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8de44c6d5f3c81b21ca61235a70d87c705c3b47127c9815628df1e1b1344a32b
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96438d0b3067337c39266737d24db93641628d21e661e517568cdd31020703d5
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a71c9e5f6f83bccde192cff4982c7483ceaa6c3f9e6b309f0c36cedfccf3e837
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ccb00726db19c3c19f4d2747fdc43b1a1bb6ed8d902ed9c45caf5fae7ad0de55
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f597a169eff0fcb60de34630635da598c0b90ff4c96764844d0aebca18fa3988
GuLoader
+ 281 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/231003-q5tkeabb3z/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Loads dropped DLL
Checks QEMU agent file
Guloader,Cloudeye
Unpacked files
SH256 hash:
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
MD5 hash:
dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1 hash:
c9206ced48d1e5bc648b1d0f54cccc18bf643a14
Link:
https://www.unpac.me/results/67f3bebd-e282-4c9c-bd4e-84ee50f13209/
SH256 hash:
6eeeb05646dc1c6db8f8fb818a3148548100334ec73108506e5434e5f18b8888
MD5 hash:
f7e8f57930c0d1fc31ebcfd9d1aef81b
SHA1 hash:
0080df12b526a8ac89af085eeda23f6a290ef1d8
Link:
https://www.unpac.me/results/67f3bebd-e282-4c9c-bd4e-84ee50f13209/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6eeeb05646dc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/6eeeb05646dc1c6db8f8fb818a3148548100334ec73108506e5434e5f18b8888

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Comments