MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8955c9bf9356b9ffa1823e1ef44c4232ea516130f4ccca9d3ea995702aaee6e6. 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: 11


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

SHA256 hash: 8955c9bf9356b9ffa1823e1ef44c4232ea516130f4ccca9d3ea995702aaee6e6
SHA3-384 hash: ff57c47c82e00381834e1c9fa83eabba110172749bcea581ee5254527c1e013047aa9c1cd65237d6389b4b64c8744e8d
SHA1 hash: 60daa03bb93c2d6fde4706cbd26ac3b2815cc689
MD5 hash: 27c0080326bf85ca0b65a51141e3d6b4
humanhash: cold-snake-maryland-winner
File name:27c0080326bf85ca0b65a51141e3d6b4.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'065'984 bytes
First seen:2021-03-03 19:04:11 UTC
Last seen:2021-03-03 20:50:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:zREHpmv+0vuCFagGyGCyxyAk/zEWLnKRWu3/bL:zLuIVGCyNMFLKRtv
Threatray 4'043 similar samples on MalwareBazaar
TLSH 5635ADE816A97DD4F1B1DF3179F82591A2FAB533E60DE4493466D2FA301A891CB70338
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
27c0080326bf85ca0b65a51141e3d6b4.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-03 20:17:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c5f2fced-9291-4411-b2a5-e025906eb864

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/122048/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36436408.7056.4527.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/626849
Signature
.NET source code contains very large strings
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 362410 Sample: y25Kj19QCO.exe Startdate: 03/03/2021 Architecture: WINDOWS Score: 100 31 www.familleconsciente.com 2->31 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 9 other signatures 2->53 10 y25Kj19QCO.exe 3 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\y25Kj19QCO.exe.log, ASCII 10->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 10->55 14 y25Kj19QCO.exe 10->14         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 17 wscript.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Tries to detect virtualization through RDTSC time measurements 17->43 23 cmd.exe 1 17->23         started        33 www.ygqtgj.com 23.107.183.79, 49740, 80 LEASEWEB-USA-LAX-11US United States 20->33 35 www.xinke518.com 20->35 37 www.livy-rae.com 20->37 45 System process connects to network (likely due to code injection or exploit) 20->45 25 autochk.exe 20->25         started        signatures11 process12 process13 27 conhost.exe 23->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8955c9bf9356b9ffa1823e1ef44c4232ea516130f4ccca9d3ea995702aaee6e6/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-03-03 11:11:48 UTC
AV detection:
13 of 48 (27.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfk4tp4tk2477imchyppitccglvfcyjq6tgmvhj6vgkxakvo43ta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a859f18a203b53f7c893f9e3d3cbfeb6bd9c0d479f1ddd5626ba4c9eb34e670
Formbook
4d7785dcd99beca572613788bc8b0713ddda6da0c8df321b1402bc38e6880f88
Formbook
5180e6ef19db039d8365f3cb9690424e61504a80ab94a12738a633b6cdc5fccb
Formbook
56368dfb68347ec22ba4d8d1d16e1acc9dbf37acf30803ef92f75f27f0a6a6a5
Formbook
5d5d64a87a5d888443e8d7a25046922fa4a39fe5952a45635dd66321e616bb14
Formbook
5d617282230f991221360f213e15b0e62d0c462afc3d32299c9b410658fbb106
Formbook
78f83f782f8d2077dd50d65badb4ed36ec24c029241287f76560e60733b61c29
Formbook
8c5a90a4c4470d05fff7757920aa0a8bf56edab04f4eb926ba789652f1bfc74c
Formbook
f09416ef7aaab2c43c62ef77bb69c005ec4a57d4051586f5e7d8571e74fee41c
Formbook
f130539b2d2324246449abb99f5a0effb214feee629b092d48ac63aca14e2ba6
Formbook
+ 4'033 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/210303-x5al1l3vbs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.familleconsciente.com/ybl/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/6f898142-721b-46ce-a015-822f098f6d24/
SH256 hash:
8955c9bf9356b9ffa1823e1ef44c4232ea516130f4ccca9d3ea995702aaee6e6
MD5 hash:
27c0080326bf85ca0b65a51141e3d6b4
SHA1 hash:
60daa03bb93c2d6fde4706cbd26ac3b2815cc689
Link:
https://www.unpac.me/results/6f898142-721b-46ce-a015-822f098f6d24/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/8955c9bf9356b9ffa1823e1ef44c4232ea516130f4ccca9d3ea995702aaee6e6

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: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 8955c9bf9356b9ffa1823e1ef44c4232ea516130f4ccca9d3ea995702aaee6e6

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/122048/
  
URLhaus
https://urlhaus.abuse.ch/url/1028827/
  
Delivery method
Distributed via web download

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