MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffba1e049d0da0a9f880a0f7e0b84a17699362ad87a1198cec937250c66587fd. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
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SHA256 hash: ffba1e049d0da0a9f880a0f7e0b84a17699362ad87a1198cec937250c66587fd
SHA3-384 hash: 66170c1b7abf8b2e5647d0339ff93eb5f58c9b4b6ffed07b89cc4fb6f9a9a1f4ea6f8f76888001c54084ff3b84a318c9
SHA1 hash: e5a908d5a4ffeb873f176346c60663d575c8007f
MD5 hash: ba72b878c2663e3f76de3d4ed7dfc8d2
humanhash: single-colorado-massachusetts-mars
File name:Pending Invoice 38129337.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:867'840 bytes
First seen:2021-11-17 07:38:21 UTC
Last seen:2021-11-17 14:43:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ssDNhCcfZ/2Yp44SGDDyC1pWXnEy3Wja+ON4ZMJzG9+aw9cNq0p2W4:Ak/2Yp44pW3Ey3Wj7ON4ZGZqN8
Threatray 11'391 similar samples on MalwareBazaar
TLSH T1F405E0143AB52F02C4BDB7F49625814007B17E5922ABD70E6CF275DB6A72B53CE8290F
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
4
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pending Invoice 38129337.exe
Verdict:
Malicious activity
Analysis date:
2021-11-17 07:39:52 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/9c2a8902-d2a1-4cd5-84da-69eb08a2aab4

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/206719/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.19817.18788.30416.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6194b1994912a8c920a12084/reports/2f0d0ad1-2510-4db3-948a-97c7e8b22431/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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6f23bb0e-8435-45ea-92a7-c55e90da7a1d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/890987
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 523460 Sample: Pending Invoice 38129337.exe Startdate: 17/11/2021 Architecture: WINDOWS Score: 100 31 www.neosecure.store 2->31 33 neosecure.store 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 11 Pending Invoice 38129337.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\Pending Invoice 38129337.exe.log, ASCII 11->29 dropped 61 Injects a PE file into a foreign processes 11->61 15 Pending Invoice 38129337.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.proyectohaciendohistoria.com 54.38.220.85, 49809, 80 OVHFR France 18->35 37 oiltoolshub.com 109.106.251.86, 49814, 80 NETNET-ASRS Serbia 18->37 39 10 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Uses ipconfig to lookup or modify the Windows network settings 18->51 22 ipconfig.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ffba1e049d0da0a9f880a0f7e0b84a17699362ad87a1198cec937250c66587fd/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-11-17 02:25:43 UTC
AV detection:
30 of 45 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=765b4be5bwqkt6eaud36bockc5uzgyvnq6qrtdhmsnzfbrtfq76q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07108380475747569f5e1eb477ab651bb2d1310368495f147a408b6bdc9a6fb3
Formbook
18e91cbaa2d04fa969e97e947ccd011d494f68eb6375b067f0342a7765fb3119
Formbook
18f25a6941b39471ea68715f7ab4b3f96990808ded5138054b96763179e0c19e
Formbook
1999253e5409121ca9810f0a75358043ed34c6fbd8444423cd01f935a51ad64d
Formbook
4cef73e83df4c6bb091a157a975a38a2c50be436649414a2ac7a55bc62e67da0
Formbook
64b041387c3c512a5b43c2a1d811b35f18f4d537c522dafb7b3e736912907426
Formbook
677a6802cf75520248735347b919108448d91434aef53654cb6a3d6ab71830c6
Formbook
82c32dd8462adfec60639b321066c7f9a9e5377dfd442bcf2537a036e8ce7218
Formbook
90995079eb10cbbc7da16c81c68775a46c65a2901eca1731d537192d8266fed0
Formbook
f0748cd86f2648c4ff23611f87661ba89045039966eb9595c2fb4d046249e1f2
Formbook
+ 11'381 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ea0r loader rat suricata
Link:
https://tria.ge/reports/211117-jgzcesefcj/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.asiapubz-hk.com/ea0r/
Unpacked files
SH256 hash:
98af1669d18e8826220ac4c7d86a7cad601ca20317384cf5e382a918ef32f91f
MD5 hash:
29037685b50e794fc1ca765517b7f669
SHA1 hash:
e5199699b551530787b406e6c84c4adc75c7c2f1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e05d1e5e-97bf-4278-a106-5696494489c0/
Parent samples :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 hash:
5a94cb795da5873e17f59d231c484132d4974949a76d413d06e4d8010aad622e
MD5 hash:
67201338cb86992152df0687817c9fca
SHA1 hash:
fc3e1eb03e167811ecf8ee05feb0e39ce8f4c97b
Link:
https://www.unpac.me/results/e05d1e5e-97bf-4278-a106-5696494489c0/
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
Link:
https://www.unpac.me/results/e05d1e5e-97bf-4278-a106-5696494489c0/
SH256 hash:
a6ff43190b4ec5b90ba591a0e5d5029a0207ea5b1b3b4b31662275501bcafeef
MD5 hash:
1aae70e2ecbf0ecca535650164c3a03e
SHA1 hash:
0b249549848401954d5eae5450565729d5ff1c03
Link:
https://www.unpac.me/results/e05d1e5e-97bf-4278-a106-5696494489c0/
SH256 hash:
ffba1e049d0da0a9f880a0f7e0b84a17699362ad87a1198cec937250c66587fd
MD5 hash:
ba72b878c2663e3f76de3d4ed7dfc8d2
SHA1 hash:
e5a908d5a4ffeb873f176346c60663d575c8007f
Link:
https://www.unpac.me/results/e05d1e5e-97bf-4278-a106-5696494489c0/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ffba1e049d0d/report/overview.html
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/ffba1e049d0da0a9f880a0f7e0b84a17699362ad87a1198cec937250c66587fd

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe ffba1e049d0da0a9f880a0f7e0b84a17699362ad87a1198cec937250c66587fd

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/206719/

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