MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c72fc9ac2cab16efb7d7541ec863718f4824bac484bc09c7bbd84ae5b2c92e85. 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: 6


Intelligence 6 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c72fc9ac2cab16efb7d7541ec863718f4824bac484bc09c7bbd84ae5b2c92e85
SHA3-384 hash: 505a36345fd7f5180dea676010809ef873a758fa9db90cf96c81be2704d4b01969b520c3b47b4a5872416b7705980c4c
SHA1 hash: 045cfa44dd26a02f7a401f1f2e125b16b5ab1bc8
MD5 hash: ca63d5942554404297b7d5225200a362
humanhash: whiskey-magazine-two-burger
File name:PO747484992.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:339'968 bytes
First seen:2021-08-17 13:58:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c542b5a459196bfdffd7cecda3871db6 (1 x GuLoader)
ssdeep 3072:m4R8u5dc5dRY22+3i7YKHZ/WU4ShwJvDOu5U04:wu6p23fNNpu
TLSH T10B74DAF5E2EAA114E2D1B8362701D1710E9FDE5CE4D89F636AC63235277FD60398248B
dhash icon 0cfce69ccce919c0 (1 x GuLoader)
Reporter abuse_ch
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO747484992.exe
Verdict:
No threats detected
Analysis date:
2021-08-17 14:14:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/122472f1-9ae2-46a2-898e-d021c8f71dd1

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/180018/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/94129fe6-a0da-4892-920e-e4cfeadc1cca
Result
Threat name:
GuLoader FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/834510
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
GuLoader behavior detected
Hides threads from debuggers
Machine Learning detection for sample
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
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 detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected Generic Dropper
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 467014 Sample: PO747484992.exe Startdate: 17/08/2021 Architecture: WINDOWS Score: 100 29 www.tooltechcircularsaws.com 2->29 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 8 other signatures 2->45 11 PO747484992.exe 1 2->11         started        signatures3 process4 signatures5 55 Tries to detect Any.run 11->55 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Hides threads from debuggers 11->59 14 PO747484992.exe 6 11->14         started        process6 dnsIp7 37 roit.giize.com 103.171.0.29, 49722, 80 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 14->37 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 3 other signatures 14->67 18 explorer.exe 14->18 injected signatures8 process9 dnsIp10 31 www.almirahukuk.com 78.142.211.39, 49754, 80 VERIDYENVeridyenBilisimTeknolojileriSanayiveTicaretLi Turkey 18->31 33 mahar-hadash.com 207.232.11.31, 49734, 80 NV-ASNCELLCOMltdIL United States 18->33 35 21 other IPs or domains 18->35 47 System process connects to network (likely due to code injection or exploit) 18->47 22 systray.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
guloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c72fc9ac2cab16efb7d7541ec863718f4824bac484bc09c7bbd84ae5b2c92e85/
Threat name:
Win32.Trojan.Mucc
Create hunting rule
Status:
Malicious
First seen:
2021-08-17 13:59:13 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y4x4tlbmvmlo7n6xkqpmqy3rr5ecjoweqs6atr533bfolmwjf2cq._file
Verdict:
suspicious
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/210817-96nzabp18a/
Behaviour
Suspicious use of SetWindowsHookEx
Guloader,Cloudeye
Unpacked files
SH256 hash:
c72fc9ac2cab16efb7d7541ec863718f4824bac484bc09c7bbd84ae5b2c92e85
MD5 hash:
ca63d5942554404297b7d5225200a362
SHA1 hash:
045cfa44dd26a02f7a401f1f2e125b16b5ab1bc8
Link:
https://www.unpac.me/results/af8237d8-6234-453e-bd50-dc511172e60a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/c72fc9ac2cab16efb7d7541ec863718f4824bac484bc09c7bbd84ae5b2c92e85

File information

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

Malspam

GuLoader

Executable exe c72fc9ac2cab16efb7d7541ec863718f4824bac484bc09c7bbd84ae5b2c92e85

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/180018/

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