MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b36c5718a19998ec936051a544a8831e85f7e08b4e7f9c5269e25e963ebabdd3. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b36c5718a19998ec936051a544a8831e85f7e08b4e7f9c5269e25e963ebabdd3
SHA3-384 hash: c89c95eb492d38f516b731236105a44149d94fcd986450b9bfd3d74790c0c5bca57f271e75a8ac320bc184974d16a734
SHA1 hash: 01431acd62c2f536527dbfc7c29bd71eacaf406b
MD5 hash: 5aeb0da76f99119932bf52c3eb8b0767
humanhash: tennis-lamp-undress-oven
File name:SecuriteInfo.com.Trojan.PackedNET.507.15470.27981
Download: download sample
Signature Formbook
Create hunting rule
File size:611'328 bytes
First seen:2021-01-21 10:15:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:TT/OnNNWOradK8obFvILVBE1yWYM2MSnKtS+/RcW9jnKiTKI5/DX85JopCano:v28+I81ykIaSMRR9KieI5/DM5Jjko
Threatray 3'593 similar samples on MalwareBazaar
TLSH 30D439526928D586E8BD63B2E69785F528F43C6ACBC1516F71AAFF363070312024F91F
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Sales Contract_20210113.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-21 06:29:10 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/ac3273ef-3bc9-413c-9d80-b0875147d720

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/113260/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.507.15470.27981.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Sending a UDP request
Launching cmd.exe command interpreter
Creating a file
DNS request
Sending an HTTP GET request
Connection attempt
Forced shutdown of a system process
Unauthorized injection to a system process
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/587085
Signature
Found malware configuration
Injects a PE file into a foreign processes
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)
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 virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 342565 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 21/01/2021 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 3 other signatures 2->45 10 SecuriteInfo.com.Trojan.PackedNET.507.15470.exe 3 2->10         started        process3 dnsIp4 37 192.168.2.5, 443, 49676, 49677 unknown unknown 10->37 29 SecuriteInfo.com.T...T.507.15470.exe.log, ASCII 10->29 dropped 55 Writes to foreign memory regions 10->55 57 Injects a PE file into a foreign processes 10->57 15 InstallUtil.exe 10->15         started        file5 signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 2 other signatures 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 31 www.tmpaas.com 43.243.108.245, 49754, 80 SUNHK-DATA-AS-APSunNetworkHongKongLimited-HongKong Hong Kong 18->31 33 ghs.googlehosted.com 216.58.207.179, 49745, 49771, 80 GOOGLEUS United States 18->33 35 25 other IPs or domains 18->35 47 System process connects to network (likely due to code injection or exploit) 18->47 22 msdt.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:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b36c5718a19998ec936051a544a8831e85f7e08b4e7f9c5269e25e963ebabdd3/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-01-21 08:16:58 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
034a88044cda55e5e899dda57067450bb725109dcfc9147d6ae41d7b08584734
Formbook
5551c39b0838a38711babfe60b36dda8855791ce1512553858fbaff025d31122
Formbook
750292519a4b694e981556bdaec9c5b568ac54f1b9cb52fc1f740cd45b2748ec
Formbook
a38cbbb16b9dda3d7aebcdcd033a8f5e56f17257c060859a3cdd2e1a8bb27ab9
Formbook
b88d84be2994a05ac716dac99a689356d8c7ecbd541989a5339be403da909430
Formbook
b9a286880c70bf7b6b049c8be7b7b14d8318b6c38d04185eced4bc48795330ff
Formbook
bcba31709cecf79a6996bda8b48a9e891db6de827c852404634a96d248560ba3
Formbook
ceb2632fac30996ac58a50455d968873321f7a18972db02e9535b485a3b0e2f7
Formbook
dca4c9a7846a3ebb066c08583388adeb4b05e464f20abd10409ccf47164d8635
Formbook
f1c600a86d9492512f5c80574f885bc0b2c0f058419f58b1c8800eb6e1502713
Formbook
+ 3'583 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210121-qkc2lw55vn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.inreachpt.com/gqx2/
Unpacked files
SH256 hash:
01b0c2a2f0d04944957a6311da48487c63000f5dcf8c4fcfd370ff3eb478907f
MD5 hash:
476429ba74a3a277a25bea951be81ec8
SHA1 hash:
bafa3134939b475625cba38fa7ab77dfb60549c1
Link:
https://www.unpac.me/results/b1dba3f5-e39b-4ecf-b303-ec318bed9dbc/
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/b1dba3f5-e39b-4ecf-b303-ec318bed9dbc/
SH256 hash:
3e215d8d82233de2c29a24d35ccb0c8dea1ba1f25579497b075419843d36d17d
MD5 hash:
f66478d91fdabce95474a51a82eee285
SHA1 hash:
07008d10cd2d34ddb51767456d8b83a6674da3fb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b1dba3f5-e39b-4ecf-b303-ec318bed9dbc/
Parent samples :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 hash:
b36c5718a19998ec936051a544a8831e85f7e08b4e7f9c5269e25e963ebabdd3
MD5 hash:
5aeb0da76f99119932bf52c3eb8b0767
SHA1 hash:
01431acd62c2f536527dbfc7c29bd71eacaf406b
Link:
https://www.unpac.me/results/b1dba3f5-e39b-4ecf-b303-ec318bed9dbc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b36c5718a19998ec936051a544a8831e85f7e08b4e7f9c5269e25e963ebabdd3

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819

File information

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

Web download

Formbook

Executable exe b36c5718a19998ec936051a544a8831e85f7e08b4e7f9c5269e25e963ebabdd3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/972965/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/113260/

Comments