MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4c5995d02155064515c33697c3b1acb8e822a4220a17da4079e5570e6a740e0. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c4c5995d02155064515c33697c3b1acb8e822a4220a17da4079e5570e6a740e0
SHA3-384 hash: bb3745eb76ae3a6398db7209062e4453b5a25fd6db874a32a349ac07f20d08bdbe599d398cc9d81a08a83024d626f66b
SHA1 hash: eb2f7abdbaa4db16c0b618a2417220b1637b8c54
MD5 hash: 0b44cb7992c7a98d26399f48ffa997d4
humanhash: undress-september-eighteen-high
File name:E-dekont.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:764'337 bytes
First seen:2023-06-27 06:45:27 UTC
Last seen:2023-06-29 12:53:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 64 x GuLoader, 54 x Loki)
ssdeep 12288:nEciykRRS1rgpeMP6y8ZGPIsoMjwV3AOxWD7KFpOPlQZ4CeHqA/vVOgorqOdSDhn:EciHOCeMP+OIxMEV3n8D7spOPm4C2/dL
Threatray 2'006 similar samples on MalwareBazaar
TLSH T11CF423ECA65288BBCE551A356E7319B517CFE03782B6750B3B1897AB770BCD5480C4C1
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 71ecceae3b8ecc70 (7 x GuLoader)
Reporter abuse_ch
Tags:exe geo GuLoader TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
272
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
E-dekont.exe
Verdict:
Malicious activity
Analysis date:
2023-06-27 06:46:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4440a88e-cb6c-4f9a-b1e5-462412d3789e

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/403123/
Detection(s):
SecuriteInfo.com.NSIS.TrojanX-gen.11247.6516.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Sending a custom TCP request
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/92818/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/649a85ac07c2007b16e6ed6c/reports/60297cc1-77bc-4a6b-86fb-392b677f5ad0/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c4c5995d02155064515c33697c3b1acb8e822a4220a17da4079e5570e6a740e0
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/99ee6353-05fb-4cc7-8674-edf0adc572f0
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1261849
Signature
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
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: 894904 Sample: E-dekont.exe Startdate: 27/06/2023 Architecture: WINDOWS Score: 100 33 www.thuthuatcongnghe.shop 2->33 35 www.saisom.tokyo 2->35 37 15 other IPs or domains 2->37 47 Snort IDS alert for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 6 other signatures 2->53 11 E-dekont.exe 12 40 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\System.dll, PE32 11->29 dropped 31 C:\Users\user\...\AdlCtrlDLL.dll, PE32+ 11->31 dropped 14 E-dekont.exe 6 11->14         started        process6 dnsIp7 45 43.224.136.142, 49939, 80 NETMAGIC-APNetmagicDatacenterMumbaiIN India 14->45 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Tries to detect Any.run 14->63 65 Maps a DLL or memory area into another process 14->65 67 2 other signatures 14->67 18 explorer.exe 8 1 14->18 injected signatures8 process9 dnsIp10 39 petsdaterra.store 162.240.81.18, 49946, 80 UNIFIEDLAYER-AS-1US United States 18->39 41 www.0604neru.com 157.112.145.13, 49948, 80 SAKURA-CSAKURAInternetIncJP Japan 18->41 43 4 other IPs or domains 18->43 55 System process connects to network (likely due to code injection or exploit) 18->55 22 help.exe 18->22         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4c5995d02155064515c33697c3b1acb8e822a4220a17da4079e5570e6a740e0/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Suspicious
First seen:
2023-06-26 08:24:02 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ytczsxiccvigiuk4gnuxyoy2zohiekscecqx3jahtzkxbzvhidqa._file
Verdict:
malicious
Similar samples:
01476f904e668758ea516e84f359d6d0a4d85dadc179a51788a214ea46ff9dec
GuLoader
081f11a29cbbc406d40f6444ce0f6befcb83ccdb4745711abb2c191774c5ef1a
GuLoader
7a545a28cacdf3ab2dfa605a626adebad10290b1c6980fbf157eb464dadf2011
GuLoader
92e74208ffa87db6cd20a7f206479b302b837c9611e9cbe88ee6c67a1454c575
GuLoader
9899334e8bd5a7a1131f9a32e9d50c5181487464b6bc5f791c8fba906610b9bc
GuLoader
a2cdf452f83aa86c0f3ade321cfc00a9ed3671082372081a67cad84a26492051
GuLoader
c494dceddfa1c8c6944a93f902c641ab5f99352ba48b81849e576f7da353314c
GuLoader
d86e152d1a1ed576cf10f18573fc08868ec938fbb655d38d23aebddbfe1bb323
GuLoader
dcea3ce074a9cc06d03641b052fe3a3f81abb72c480de228b8664dade74c4dce
GuLoader
ec5be7c50c187de9346e381fe229eb22a3383dfd70bbac3568051af0ee25016c
GuLoader
+ 1'996 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/230627-hjl97sec2z/
Behaviour
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
aafe1ad99127ff7520ae04895c751033509e81da4b37388319ca20ed6a04f911
MD5 hash:
485d18fa677786af185c9e74e42d0518
SHA1 hash:
3958ac6a1c4ba7df084cc18997092accc9ad18cc
Link:
https://www.unpac.me/results/4a1e368e-4ad6-4759-a9d1-79c063b46ef2/
SH256 hash:
c4c5995d02155064515c33697c3b1acb8e822a4220a17da4079e5570e6a740e0
MD5 hash:
0b44cb7992c7a98d26399f48ffa997d4
SHA1 hash:
eb2f7abdbaa4db16c0b618a2417220b1637b8c54
Link:
https://www.unpac.me/results/4a1e368e-4ad6-4759-a9d1-79c063b46ef2/
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/c4c5995d02155064515c33697c3b1acb8e822a4220a17da4079e5570e6a740e0

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.

Cape
Cape
https://www.capesandbox.com/analysis/403123/

Comments