MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c52bec101beb809390b71523640ec5a523b5d40b2d236bf3ef9d9101e187313. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c52bec101beb809390b71523640ec5a523b5d40b2d236bf3ef9d9101e187313
SHA3-384 hash: cc361fd223444ed444357623aeeb311ac12f7554f3669f1220ba5bc23b14053fcd3a456df27ef6611643c02267ca7be8
SHA1 hash: ea05f338e33ecb50801a054a35d7a90f11fe6020
MD5 hash: 03a7feb739f98820f92e25fe8d8d55a9
humanhash: magazine-speaker-nitrogen-item
File name:bena.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:428'960 bytes
First seen:2022-04-25 14:50:51 UTC
Last seen:2022-04-25 16:07:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:DYWEN9Ud95ZPgcJBN3HdMKKSvIvnlFh+mnm5:DYWE43z4wp+SQfljhg
Threatray 2'282 similar samples on MalwareBazaar
TLSH T1E49412803AA0C853D4AB9BB5C537D7835FA67E2D4C4A9B4F33B0BF667A72201510E716
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 31f0ccceccecf071 (5 x GuLoader)
Reporter James_inthe_box
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Aktivitetshusenes2
Issuer:Aktivitetshusenes2
Algorithm:sha256WithRSAEncryption
Valid from:2022-04-25T10:51:20Z
Valid to:2023-04-25T10:51:20Z
Serial number: 00
Intelligence: 325 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Central Blocklist:This certificate is on the Cert Central blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 4ee25c11d60fd648f54dd1673271e66437f370e97033e35276d60ec0214d8469
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5c52bec101beb809390b71523640ec5a523b5d40b2d236bf3ef9d9101e187313.exe
Verdict:
Malicious activity
Analysis date:
2022-04-25 15:02:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/58b4636d-86e5-45fc-8ef4-1ead7c83d144

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/266390/
Detection(s):
PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6266b5682f162d9fdf666eea/reports/98747520-f9f5-4bb3-b4db-ae50655896c3/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:
Suspicious
Link:
https://analyze.intezer.com/analyses/471adcb4-4a69-4d2a-ac49-9f5d52edeac7
Result
Threat name:
FormBook GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/982499
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Hides threads from debuggers
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 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: 614987 Sample: bena.exe Startdate: 25/04/2022 Architecture: WINDOWS Score: 100 49 www.twelve.ru.com 2->49 51 www.tradeust.com 2->51 53 26 other IPs or domains 2->53 73 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->73 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 10 other signatures 2->79 11 bena.exe 1 28 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\Local\...\System.dll, PE32 11->39 dropped 41 C:\...\api-ms-win-crt-environment-l1-1-0.dll, PE32 11->41 dropped 43 C:\Users\user\AppData\...\HPSUPD-Win32Exe.exe, PE32+ 11->43 dropped 45 C:\Users\user\AppData\Local\Temp\Common.dll, PE32 11->45 dropped 93 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 11->93 95 Tries to detect Any.run 11->95 97 Hides threads from debuggers 11->97 15 bena.exe 6 11->15         started        signatures6 process7 dnsIp8 61 googlehosted.l.googleusercontent.com 142.250.186.129, 443, 49730 GOOGLEUS United States 15->61 63 drive.google.com 172.217.16.142, 443, 49729 GOOGLEUS United States 15->63 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Tries to detect Any.run 15->67 69 Maps a DLL or memory area into another process 15->69 71 3 other signatures 15->71 19 explorer.exe 15->19 injected signatures9 process10 dnsIp11 55 www.hexrmor.com 185.53.179.172, 49781, 49782, 49811 TEAMINTERNET-ASDE Germany 19->55 57 www.invisibleteethalignersaus.com 185.53.179.92, 49753, 49754, 80 TEAMINTERNET-ASDE Germany 19->57 59 13 other IPs or domains 19->59 81 System process connects to network (likely due to code injection or exploit) 19->81 23 cmmon32.exe 18 19->23         started        signatures12 process13 file14 35 C:\Users\user\AppData\...\KL8logrv.ini, data 23->35 dropped 37 C:\Users\user\AppData\...\KL8logri.ini, data 23->37 dropped 83 Detected FormBook malware 23->83 85 Tries to steal Mail credentials (via file / registry access) 23->85 87 Tries to harvest and steal browser information (history, passwords, etc) 23->87 89 4 other signatures 23->89 27 cmd.exe 2 23->27         started        30 firefox.exe 1 23->30         started        signatures15 process16 file17 91 Tries to harvest and steal browser information (history, passwords, etc) 27->91 33 conhost.exe 27->33         started        47 C:\Users\user\AppData\...\KL8logrf.ini, data 30->47 dropped signatures18 process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5c52bec101beb809390b71523640ec5a523b5d40b2d236bf3ef9d9101e187313/
Threat name:
Win32.Trojan.Shelsy
Create hunting rule
Status:
Malicious
First seen:
2022-04-25 14:50:16 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
10 of 26 (38.46%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
1235559275e785007232e4aee35bd0609d1e52da4900ac8526ff54b592d63c6b
GuLoader
704ad16ef9755c35a9f52a3cd99f8ea83a53a6f7786472b3ea458eeb9730505b
GuLoader
785e0ff473552935ca1c597ceabab86f74a07b7ca6bfc58531a7c2fe74539853
GuLoader
78f8221d10ca5af256eefa0376f55e4688e00005317ab0bfb59f5406f9ed16ae
GuLoader
a80d7a2da8c373a9087cc7bb556bfe243019fa6c78714888ffb17e5ba0499648
GuLoader
bbd7431d0d5272927e67c43cd961df4d855a4dcd080373355f980d61ff110337
GuLoader
bfcd5670bfa7bc6ccbf5d9b13ef3993e852f40b1d77b6854c99d1cee1558e78a
GuLoader
c28bfc6622b79ac2f1b1d57425553dd13c14648be45776e5070f78624b4ae1b8
GuLoader
d84b6f3b066ab525f9a42b819e618196568925ebe76eafb545ce8376f1ea223c
GuLoader
+ 2'272 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/220425-r75wwsgfar/
Behaviour
Enumerates physical storage devices
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
Link:
https://www.unpac.me/results/ff812df1-9212-4892-a4f5-3f6b42f4fb2a/
SH256 hash:
5b4ddb099b8ee71e053e934257c137d641f9c9e44ffa1df3f999370819f91d81
MD5 hash:
fb369e7a71e1618405923cf9b8ee2412
SHA1 hash:
2671966146d19f32d6ff328c3e105af295c57199
Link:
https://www.unpac.me/results/ff812df1-9212-4892-a4f5-3f6b42f4fb2a/
SH256 hash:
241152d5a697ffede9bc45a78a1b342bc8b5d5039d17707fedf24dc5722fce7f
MD5 hash:
bc8dafab5718166aef9467cf1d574a8d
SHA1 hash:
1321731b79580eae96812fb831d71a7e4a14ce0c
Link:
https://www.unpac.me/results/ff812df1-9212-4892-a4f5-3f6b42f4fb2a/
SH256 hash:
5c52bec101beb809390b71523640ec5a523b5d40b2d236bf3ef9d9101e187313
MD5 hash:
03a7feb739f98820f92e25fe8d8d55a9
SHA1 hash:
ea05f338e33ecb50801a054a35d7a90f11fe6020
Link:
https://www.unpac.me/results/ff812df1-9212-4892-a4f5-3f6b42f4fb2a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/5c52bec101beb809390b71523640ec5a523b5d40b2d236bf3ef9d9101e187313

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:pdb2
Create hunting rule

File information

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

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/2163736/
Cape
Cape
https://www.capesandbox.com/analysis/266390/

Comments