MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a83a6c897b43357c341190cc93e0310cc8063f4e569853aba1c912ede95229f. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0a83a6c897b43357c341190cc93e0310cc8063f4e569853aba1c912ede95229f
SHA3-384 hash: 3c41b011c298d7e3ac601bccc232b7eeb9214df7b360016f269ca5aaba079d964e2c2b754ed6a19e61248828e5755994
SHA1 hash: 5e00a720edff53c27a6ee5fe4606a42cc2ab3a02
MD5 hash: 4cef4c9b4785b2bc5adcbf1c91185ab9
humanhash: nuts-kitten-uranus-violet
File name:DHLINV000156.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:800'224 bytes
First seen:2023-03-20 10:26:36 UTC
Last seen:2023-03-20 13:46:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e9c0657252137ac61c1eeeba4c021000 (53 x GuLoader, 26 x RedLineStealer, 17 x AgentTesla)
ssdeep 12288:myiYQS2zqcAMFVJV6xYaU/XnKcZnY4UKwp7hVOZCbgjvwr:ZiYG/FVD6WHicUNEZCbgjG
Threatray 611 similar samples on MalwareBazaar
TLSH T119051297A2618296FDE74BB0193B8D2902777E7A7DB2C54F26A577B21FB32C20017407
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 4501210301010100 (2 x GuLoader)
Reporter abuse_ch
Tags:DHL exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-02-06T08:11:54Z
Valid to:2026-02-05T08:11:54Z
Serial number: 4e44313213e3991cc4f5945a8d82c0d78dd7307e
Thumbprint Algorithm:SHA256
Thumbprint: b577e1e8f47010ed802d38b4b8e5e3e1ce2b6005a883a5bb8d225d3ad933f1ac
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHLINV000156.exe
Verdict:
Malicious activity
Analysis date:
2023-03-20 10:29:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/69de93ae-0b70-4d65-adcb-7b28137a5a25

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/375845/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/74210/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer comodo guloader overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/641834f8c60b3295f52c0fa8/reports/25c4fb22-5074-46f3-a0c1-d760baa821ac/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/0a83a6c897b43357c341190cc93e0310cc8063f4e569853aba1c912ede95229f
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/5f69f6e2-766e-42f0-9efa-1ee294c67421
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.rans.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1197540
Signature
Antivirus detection for URL or domain
Found potential ransomware demand text
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 830443 Sample: DHLINV000156.exe Startdate: 20/03/2023 Architecture: WINDOWS Score: 100 37 www.yeah-go.com 2->37 39 www.verde-amar.info 2->39 41 26 other IPs or domains 2->41 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 4 other signatures 2->57 10 DHLINV000156.exe 1 45 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\System.dll, PE32 10->29 dropped 31 C:\Users\user\AppData\Local\...\System.dll, PE32 10->31 dropped 33 C:\Users\user\AppData\...\libdatrie-1.dll, PE32+ 10->33 dropped 35 5 other files (none is malicious) 10->35 dropped 69 Tries to detect Any.run 10->69 14 DHLINV000156.exe 6 10->14         started        signatures6 process7 dnsIp8 49 nonsolopiercing.com 37.59.221.4, 49823, 80 OVHFR France 14->49 71 Modifies the context of a thread in another process (thread injection) 14->71 73 Tries to detect Any.run 14->73 75 Maps a DLL or memory area into another process 14->75 77 2 other signatures 14->77 18 explorer.exe 3 1 14->18 injected signatures9 process10 dnsIp11 43 gy.adsfzcvx.com 154.210.212.94, 49889, 49890, 49891 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->43 45 www.cmproutdoors.com 156.255.170.114, 49880, 49881, 49882 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->45 47 15 other IPs or domains 18->47 59 System process connects to network (likely due to code injection or exploit) 18->59 22 colorcpl.exe 13 18->22         started        25 autoconv.exe 18->25         started        signatures12 process13 signatures14 61 Tries to steal Mail credentials (via file / registry access) 22->61 63 Tries to harvest and steal browser information (history, passwords, etc) 22->63 65 Writes to foreign memory regions 22->65 67 3 other signatures 22->67 27 firefox.exe 22->27         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0a83a6c897b43357c341190cc93e0310cc8063f4e569853aba1c912ede95229f/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2023-03-20 02:03:26 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bkb2nsexwqzvpq2bdegmspqdcdgiay7u4vuykov2dsis5xuvekpq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
4408ca4867bf10664da86178ed9d1730f0b405964f6bcd1c5ad87353ac1f5dca
GuLoader
4422661ccc0d1ca90ea0427fbe9eacc398d819ef1f557c163a686fa127444c3a
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67a5c839e320222f60240d84144f9e978420b0634a10b535b8f6bf9379fe6013
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6df873769694ef3980e2e19d8c657e4d993938b9c9ee8912a95f83027f1a2ea0
GuLoader
909735e8a902e299207563464959d2b7a8d3821e74cdb1aade9a17162c599e23
GuLoader
98385774a1d72d3d3a1c8e593bdad60586b2565263809bcd22e49eb98f6c01e5
GuLoader
9ada0ca121fe2b402b0da1728cd9f1fbb36d61a62fd40bbe8428756c329e04e8
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b0302231ae277b08e383cef527b093307edf552a1777b5c9a088e2e1c61ad6fe
GuLoader
fbb79193e65382a20980d8bbf01496be8dd9f1cceb9e253c95e102afd8d52cfc
GuLoader
fef348f0a51720ef524010b7225f6d338e10654e4fc13f4a6b89b07deafd35f7
GuLoader
+ 601 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/230320-mg376ach84/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7
MD5 hash:
0063d48afe5a0cdc02833145667b6641
SHA1 hash:
e7eb614805d183ecb1127c62decb1a6be1b4f7a8
Link:
https://www.unpac.me/results/affd962f-90bd-4d79-bdf5-08d16689325a/
Parent samples :
5312214b15330113f6eab71565e1e3c7d1ee3b59daa6703c271aaf3b192e6809
02fca6ef5d9d8b1eb29f7ac8ea0573b504ea7f06c215e091791653b40fe1329a
cc53accc69b32c2507210ea70d1d56aa84dbe354a7f79577df180179ea797427
045a7318a9e2e550208c0c7e9fc805068df19fa73823ac3acaa049a46c4045ee
f2a883a0e4b01c72b0f063df3be5a0102e5c8fbaedc39c8d35c632b200599283
dffefbde27442b9095388b1871ffdc101c430b9a814138be4f962328a5b73fde
e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de
904f69a4bed3844273cce1676e8920794815af4c1527e560bbc1bc44b5b8457a
SH256 hash:
3079304b199ba060ec2f8caded24c98bf11c12618188401fe51ced76ef308725
MD5 hash:
3457e195097f2f56aa095b14e8589ea7
SHA1 hash:
69ec8e3b73a72cc0ae06d53de7aed9668dd29dcb
Link:
https://www.unpac.me/results/affd962f-90bd-4d79-bdf5-08d16689325a/
SH256 hash:
d99c171ddf89cde390f2da6152118e5fe26ec9bda1eab6152c5d8e2caa3855bf
MD5 hash:
8efc64cc3efadaedcd93b04ef7253de6
SHA1 hash:
ed6cb522b294134ab1d35597655bd4dce5a08a92
Link:
https://www.unpac.me/results/affd962f-90bd-4d79-bdf5-08d16689325a/
SH256 hash:
0a83a6c897b43357c341190cc93e0310cc8063f4e569853aba1c912ede95229f
MD5 hash:
4cef4c9b4785b2bc5adcbf1c91185ab9
SHA1 hash:
5e00a720edff53c27a6ee5fe4606a42cc2ab3a02
Link:
https://www.unpac.me/results/affd962f-90bd-4d79-bdf5-08d16689325a/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0a83a6c897b4/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/0a83a6c897b43357c341190cc93e0310cc8063f4e569853aba1c912ede95229f

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
Rule name:PE_Potentially_Signed_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.

Cape
Cape
https://www.capesandbox.com/analysis/375845/

Comments