MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ab67edd421427d8e26c522fde52b72e0822fab92f3a4dae0b5305e2b908f15a. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ab67edd421427d8e26c522fde52b72e0822fab92f3a4dae0b5305e2b908f15a
SHA3-384 hash: 54dbebccaddb523a0252993d2670796ca51b269eeef53c477a827f8cb964b77294ba44de07d4ee01074b753e62d2457f
SHA1 hash: 61cb7d8c06bafc6bedb63bd27525fe15e8b6fc53
MD5 hash: eebe8af538e906f4f2422dfa7c448962
humanhash: massachusetts-undress-november-orange
File name:RFQINL0607_Commerical list.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:696'162 bytes
First seen:2023-08-23 07:17:13 UTC
Last seen:2023-08-26 11:31:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 12288:8ZFpdY/RmislKBHr/ro6AhgQwO0pMb8WhXrqmYli17vmyYdIQbFrd:oaslKBHr/s6O0Kb8Wh+EexdIQbFr
Threatray 1'923 similar samples on MalwareBazaar
TLSH T1CDE4F1927FCB4E27C0A34B764AD38325F338ED406A174B076B54BA7D9D316926B032D6
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 04f2e1c49ab0500a (3 x AgentTesla, 2 x GuLoader)
Reporter TeamDreier
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
4
# of downloads :
325
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
RFQINL0607_Commerical list.exe
Verdict:
Malicious activity
Analysis date:
2023-08-23 07:18:56 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/90e995a6-efac-41c0-9175-3f6e666f1830

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/444282/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/108353/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64e5b2ab9489ac1ead3d9d6e/reports/767fc40b-f8a5-4939-bb98-28d6ac7fd795/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/3ab67edd421427d8e26c522fde52b72e0822fab92f3a4dae0b5305e2b908f15a
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/6d680edd-58e7-49c3-b2f0-147eee75582a
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1295687
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: 1295687 Sample: RFQINL0607_Commerical_list.exe Startdate: 23/08/2023 Architecture: WINDOWS Score: 100 32 zentrimax.com 2->32 34 www.zentrimax.com 2->34 36 26 other IPs or domains 2->36 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 7 other signatures 2->62 11 RFQINL0607_Commerical_list.exe 1 40 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\System.dll, PE32 11->30 dropped 70 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->70 72 Tries to detect Any.run 11->72 15 RFQINL0607_Commerical_list.exe 6 11->15         started        signatures6 process7 dnsIp8 44 drive.google.com 142.250.185.110, 443, 49921 GOOGLEUS United States 15->44 46 googlehosted.l.googleusercontent.com 172.217.18.97, 443, 49922 GOOGLEUS 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 3 1 15->19 injected signatures9 process10 dnsIp11 38 www.rtuakl.xyz 203.161.56.237, 49945, 80 VNPT-AS-VNVNPTCorpVN Malaysia 19->38 40 www.pingpongtable-sg.bond 185.53.179.91, 49938, 80 TEAMINTERNET-ASDE Germany 19->40 42 13 other IPs or domains 19->42 64 System process connects to network (likely due to code injection or exploit) 19->64 23 colorcpl.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/3ab67edd421427d8e26c522fde52b72e0822fab92f3a4dae0b5305e2b908f15a/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-08-23 01:02:32 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hk3h5xkccqt5rytmkix54uvxfyecf6vzf45e3lqlkmc6foii6fna._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
06c8aa9110e9c50c51464d31ef28f3cab2efdb1ca756455f99f49daada571dba
GuLoader
114f4e62ec2b81ab45799a56b183ef282b2bc5c172fd9831af33c154b23034ea
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3e86387adbdd180e176ef1f444d80ce89ef89155e5fc41c6637c6ebb26c7f5f5
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3fe2c04c33423019af7464d50b3df0775a565e9a31e1a289b49e4e180585ab00
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913a34a614a8170d51732f1deeef2445864b9c2e0d69ecdc12dd6db8923021ce
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9cbb812478a909df210b43c05756059fd4d35bebadcd555d265cf29d74fadc45
GuLoader
a1a882d7abefdec8678649330339a2f080a777450da1be5110b88e81a8ea38cc
GuLoader
da9ce816092043ded7f22e3368f1beaa75577190bdab4da16936d7c1bf774e84
GuLoader
eea29ccf59fa6a6aa5a3c14360db6068144f14601d987ec37ea21a35cdac9430
GuLoader
f3a16fbf76dc776eb61b55b5a5aa8d3203e77effc2e05d85f93df96612323095
GuLoader
+ 1'913 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:guloader campaign:fg83 downloader rat spyware stealer trojan
Link:
https://tria.ge/reports/230823-h4x77sbh9s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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 QEMU agent file
Loads dropped DLL
Formbook payload
Formbook
Guloader,Cloudeye
Unpacked files
SH256 hash:
98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b
MD5 hash:
b8992e497d57001ddf100f9c397fcef5
SHA1 hash:
e26ddf101a2ec5027975d2909306457c6f61cfbd
Link:
https://www.unpac.me/results/ee24ebd9-da77-41cb-bd0b-79902a4402eb/
SH256 hash:
3ab67edd421427d8e26c522fde52b72e0822fab92f3a4dae0b5305e2b908f15a
MD5 hash:
eebe8af538e906f4f2422dfa7c448962
SHA1 hash:
61cb7d8c06bafc6bedb63bd27525fe15e8b6fc53
Link:
https://www.unpac.me/results/ee24ebd9-da77-41cb-bd0b-79902a4402eb/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3ab67edd4214/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/3ab67edd421427d8e26c522fde52b72e0822fab92f3a4dae0b5305e2b908f15a

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

File information

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

Malspam

GuLoader

Executable exe 3ab67edd421427d8e26c522fde52b72e0822fab92f3a4dae0b5305e2b908f15a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/444282/

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