MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d838565cacb24cf211b9d5f72bb302a65cdab4a9b5a741385ce5efdbbdff0098. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d838565cacb24cf211b9d5f72bb302a65cdab4a9b5a741385ce5efdbbdff0098
SHA3-384 hash: 4fbf6043af7cd5fe104e152c0453a19318bd0f0bd2bd2dfd559bb1b6b0059279dff6fc212c3747b532771d8d8a35e09c
SHA1 hash: 73a571f0c3e5c6f08a69862c669b76c14feb90d0
MD5 hash: a53139d6d3f89d1d0d67d035c2c51bdf
humanhash: florida-queen-virginia-grey
File name:NBC-INV-099834.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:348'672 bytes
First seen:2022-01-19 20:55:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:VqPwIYdAbc0CIl1u9EeamRLfdJ2OEf3pxHuRiV2rCVJ5PIPWo1+Joo5U2NU0Cymr:VqPwIYdAbc0CIK9rR1kbuEsGxIPr+yoQ
Threatray 13'466 similar samples on MalwareBazaar
TLSH T1DF741215126BEF0AE937D3F13A2B2104CB70A4FD9532E7084CD9A4C96B56B290763B77
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NBC-INV-099834.exe
Verdict:
Malicious activity
Analysis date:
2022-01-20 01:26:24 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/90938950-d767-4478-b93c-cda06bc316c2

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/220807/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.6388.16245.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed print.exe wacatac
Link:
https://www.filescan.io/uploads/61e87ae9d32385db630a9663/reports/e9eaff57-4c56-4f0c-a309-f468902206b9/overview
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d603d9d8-4dc6-4350-95b6-cf3f7fd728b6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/923868
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 556346 Sample: NBC-INV-099834.exe Startdate: 19/01/2022 Architecture: WINDOWS Score: 100 41 www.wlxxch.com 2->41 43 www.pynch1.com 2->43 45 pynch1.com 2->45 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 12 other signatures 2->59 9 NBC-INV-099834.exe 7 2->9         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\otUaHIqjitF.exe, PE32 9->33 dropped 35 C:\Users\...\otUaHIqjitF.exe:Zone.Identifier, ASCII 9->35 dropped 37 C:\Users\user\AppData\Local\...\tmp8677.tmp, XML 9->37 dropped 39 C:\Users\user\...39BC-INV-099834.exe.log, ASCII 9->39 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 9->63 65 Adds a directory exclusion to Windows Defender 9->65 67 Tries to detect virtualization through RDTSC time measurements 9->67 13 NBC-INV-099834.exe 9->13         started        16 powershell.exe 25 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 13->75 77 Maps a DLL or memory area into another process 13->77 79 Sample uses process hollowing technique 13->79 81 Queues an APC in another process (thread injection) 13->81 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 47 www.bsauksjon.com 160.124.105.200, 49788, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK South Africa 20->47 49 saprove.com 37.187.180.144, 49818, 80 OVHFR France 20->49 51 8 other IPs or domains 20->51 61 System process connects to network (likely due to code injection or exploit) 20->61 28 cmmon32.exe 20->28         started        31 autoconv.exe 20->31         started        signatures11 process12 signatures13 69 Modifies the context of a thread in another process (thread injection) 28->69 71 Maps a DLL or memory area into another process 28->71 73 Tries to detect virtualization through RDTSC time measurements 28->73
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d838565cacb24cf211b9d5f72bb302a65cdab4a9b5a741385ce5efdbbdff0098/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-19 17:15:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3a4fmxfmwjgpeenz2x3sxmycuzonvnfjwwtucoc44xx5xpp7acma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07bed83b3f7c13154a148f82ceac3fe9f68a7995ed5a939e91427e611bfaa863
Formbook
184dc6b6ce6b74a783d1f3cd67d85a4a36fb9ff237667af69936b1f836e47232
Formbook
1ba44ecb694a9caadfeef6488cf3f666399dd6ae2b3c795f0c877d0e48df616e
Formbook
1dd55c3da57f38fa92cf2ea0beb0f05afdc542492b66158a6190f681dcaffdfc
Formbook
2bb64ae5a837fd2c4bdf536c1d632055fa02c520d670d8c340a5f8e6ff187d16
Formbook
7cfd925a01b39a64070297842ef8e2d74552c7c0ebb9dd8594d8ac8d15242e79
Formbook
cfd0502419a4609b9b0022c3d3b925875f8d135e4f7ac853b2b1a6dd531bb762
Formbook
dd5f5932753c97d372e4eacd6288b63d69120eb6b119d9dd699a80dbc0558aec
Formbook
+ 13'456 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:nt3f loader rat suricata
Link:
https://tria.ge/reports/220119-zq2f5sdbdm/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
149fddd6d60737e0e971c03111a4bb582ca16a8f08c838e73371163191cd17d5
MD5 hash:
40056abcdc0a75b7b51b5c08b8db3c07
SHA1 hash:
05eed606a5cd55f7c72de355fd1f7ba753c9ade4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a01e3edc-125e-429b-bff0-c731f0a55d9d/
Parent samples :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 hash:
3abb109f02b47f5cd4e90249fee74946bdf8e7b7479ecfc705ad2f896793d607
MD5 hash:
a47b396aa126870bc7dedd7d1441d22b
SHA1 hash:
dc9bc42fb962d041e80d2b10e54e38b13721b259
Link:
https://www.unpac.me/results/a01e3edc-125e-429b-bff0-c731f0a55d9d/
SH256 hash:
b4ac4d7ba7186ec694909413e82b53f6c8ca0f9e6d7589bf845fd2537adc02d5
MD5 hash:
48fdc28d68a1266252369d80f8026b64
SHA1 hash:
6a92b0c78845a71c87d68c3ea758b7e20d7b4fcc
Link:
https://www.unpac.me/results/a01e3edc-125e-429b-bff0-c731f0a55d9d/
SH256 hash:
d838565cacb24cf211b9d5f72bb302a65cdab4a9b5a741385ce5efdbbdff0098
MD5 hash:
a53139d6d3f89d1d0d67d035c2c51bdf
SHA1 hash:
73a571f0c3e5c6f08a69862c669b76c14feb90d0
Link:
https://www.unpac.me/results/a01e3edc-125e-429b-bff0-c731f0a55d9d/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d838565cacb2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d838565cacb24cf211b9d5f72bb302a65cdab4a9b5a741385ce5efdbbdff0098

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe d838565cacb24cf211b9d5f72bb302a65cdab4a9b5a741385ce5efdbbdff0098

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/220807/

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