MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d5d38241fa7a6b854b75c5a73944b6ee1cbe4a8a2865897d9c36b10158c90be. 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


Formbook


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5d5d38241fa7a6b854b75c5a73944b6ee1cbe4a8a2865897d9c36b10158c90be
SHA3-384 hash: d143970e36be8fb3af944733455688a124fed2e76ccb568ba7856fd4478f71ec7fa251ef106230d9f5af7d353a0bf9d2
SHA1 hash: 8fff9bcfdc3b39923299aff4ea91b3a08b2ab917
MD5 hash: 4b80570d3444ac14c50368e986899159
humanhash: robert-coffee-mississippi-summer
File name:4b80570d3444ac14c50368e986899159.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:783'872 bytes
First seen:2021-03-01 13:31:02 UTC
Last seen:2021-03-01 15:37:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:+GUVquq6j2ThpV5SCRMdlCO5lxPRvwQSB273:dV6j2N/5SCRECOB9S4b
Threatray 3'905 similar samples on MalwareBazaar
TLSH A6F46B3222445B91E07EF7749014D230B3E66D83E3E3DA48BDE93C877DF9A8246A3655
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4b80570d3444ac14c50368e986899159.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-01 13:50:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f4556d4d-07b3-4f93-bcca-40216656d1d0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/120290/
Detection(s):
SecuriteInfo.com.Artemis4B80570D3444.28324.27740.UNOFFICIAL
Create hunting rule

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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/622242
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 360113 Sample: 39VfZOmGGo.exe Startdate: 01/03/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 9 other signatures 2->44 10 39VfZOmGGo.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\39VfZOmGGo.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 39VfZOmGGo.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 32 bom-zzxx.com 210.175.73.91, 49740, 80 ODNSoftBankMobileCorpJP Japan 17->32 34 www.praktijkinfinity.online 185.175.200.247, 49732, 80 ASTRALUSNL Netherlands 17->34 36 2 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 netsh.exe 17->21         started        24 autochk.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5d5d38241fa7a6b854b75c5a73944b6ee1cbe4a8a2865897d9c36b10158c90be/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-01 10:02:28 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lvotqja7u6tlqvfxlrnhhfcln3q4xzfiukdfrf6zynvrafmmsc7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
201af2ab950f9aefa7da227b0efdfe0bc005ca77c9ab0284549b081cced51e52
Formbook
56368dfb68347ec22ba4d8d1d16e1acc9dbf37acf30803ef92f75f27f0a6a6a5
Formbook
6a0c21a5a37e307becd9ed9bdee0f3f41e3d1a61847a6e9ae272ec891d4f7728
Formbook
6e10193dd3318172ee57476a036b6078a1576ed3f8dcdff72a3991dc563c2d34
Formbook
78f83f782f8d2077dd50d65badb4ed36ec24c029241287f76560e60733b61c29
Formbook
8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c
Formbook
b69927fbfd7eb038b59aa9b7e9f49cb02d127d48fcf6517e65a379e982e806bc
Formbook
e836c2aecd7a2ae83a5bb088780d9e7b8cd6c3a7ff6b9c3f1261bfd1f53dbef7
Formbook
f09416ef7aaab2c43c62ef77bb69c005ec4a57d4051586f5e7d8571e74fee41c
Formbook
f130539b2d2324246449abb99f5a0effb214feee629b092d48ac63aca14e2ba6
Formbook
+ 3'895 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210301-3c5ft3wsfe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.evolvekitchendesign.com/ffw/
Unpacked files
SH256 hash:
68b716109ff4e18e21bd0acacb3796f7930771d19f6a766d7d3aa0bbde4ce7e0
MD5 hash:
a3d1d373062f59282307d4b9966d702b
SHA1 hash:
60c9c330e6ff63d3e0b3b0b700ac37bde5997ced
Link:
https://www.unpac.me/results/5bdfd853-cd64-4ba1-ac2e-08e8a5a19554/
SH256 hash:
5d5d38241fa7a6b854b75c5a73944b6ee1cbe4a8a2865897d9c36b10158c90be
MD5 hash:
4b80570d3444ac14c50368e986899159
SHA1 hash:
8fff9bcfdc3b39923299aff4ea91b3a08b2ab917
Link:
https://www.unpac.me/results/5bdfd853-cd64-4ba1-ac2e-08e8a5a19554/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5d5d38241fa7a6b854b75c5a73944b6ee1cbe4a8a2865897d9c36b10158c90be

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:adonunix
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Web download

Formbook

Executable exe 5d5d38241fa7a6b854b75c5a73944b6ee1cbe4a8a2865897d9c36b10158c90be

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1039296/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1039469/
Cape
Cape
https://www.capesandbox.com/analysis/120290/

Comments