MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7027a232f8327a532a1b37586cd42ea73ea0b9c37b1b22334484888f0b13b6b6. 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

SHA256 hash: 7027a232f8327a532a1b37586cd42ea73ea0b9c37b1b22334484888f0b13b6b6
SHA3-384 hash: 02f72c5bb0957256248df03363f2a924f67ec075c4f9d4afb1bfec865155102fab2ba997d79b021bd1007308874525a5
SHA1 hash: 3c656f9257b7630e47f57d1326bceafb7481ab29
MD5 hash: e29285288905ebb27d9e4443bcaa6638
humanhash: ceiling-kansas-muppet-three
File name:Electronic Payment Remittance Document 09.13.21 VRF 65665011119889.exe
Download: download sample
Signature Formbook
File size:509'952 bytes
First seen:2021-10-05 05:56:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:tqk4DbF53e0IUFLe8OsbVPIBNpvv5Cq9HS2W3wI7GJFY:Gy8dPOX5CSy2WW8
Threatray 9'879 similar samples on MalwareBazaar
TLSH T1F5B4AE203DFB5119F1B3AFB95ED0B9869A6FB6233A17E41D145103864B23F81DD90B3A
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Electronic Payment Remittance Document 09.13.21 VRF 65665011119889.exe
Verdict:
Malicious activity
Analysis date:
2021-10-05 05:58:55 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Performs DNS queries to domains with low reputation
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 496880 Sample: Electronic Payment Remittan... Startdate: 05/10/2021 Architecture: WINDOWS Score: 100 36 www.fasilitatortoefl.com 2->36 38 www.yoiseikatsu.net 2->38 40 www.permacademy.net 2->40 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 10 other signatures 2->52 11 Electronic Payment Remittance Document 09.13.21  VRF 65665011119889.exe 3 2->11         started        signatures3 process4 file5 28 Electronic Payment...65011119889.exe.log, ASCII 11->28 dropped 14 Electronic Payment Remittance Document 09.13.21  VRF 65665011119889.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 14->17 injected process8 dnsIp9 30 pasalsacongress.com 192.185.52.175, 49855, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 hxysjkj.com.luo417.faipod.com 106.75.174.215, 49800, 80 CT-GUANGZHOU-IDCCHINANETGuangdongprovincenetworkCN China 17->32 34 11 other IPs or domains 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 44 Performs DNS queries to domains with low reputation 17->44 21 explorer.exe 17->21         started        signatures10 process11 signatures12 54 Self deletion via cmd delete 21->54 56 Modifies the context of a thread in another process (thread injection) 21->56 58 Maps a DLL or memory area into another process 21->58 60 Tries to detect virtualization through RDTSC time measurements 21->60 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-14 21:17:11 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:uytf loader rat suricata
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.fasilitatortoefl.com/uytf/
Unpacked files
SH256 hash:
96357781dbd8f3a95b1f540fc313197e79bfa3f3642e8830a71c6b46a34653e0
MD5 hash:
7fb25aedb6dd29d1b363e931a8aac989
SHA1 hash:
f51c5596c06891fa1ba663dc6ad9e3883d2f55e8
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
SH256 hash:
7027a232f8327a532a1b37586cd42ea73ea0b9c37b1b22334484888f0b13b6b6
MD5 hash:
e29285288905ebb27d9e4443bcaa6638
SHA1 hash:
3c656f9257b7630e47f57d1326bceafb7481ab29
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
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 7027a232f8327a532a1b37586cd42ea73ea0b9c37b1b22334484888f0b13b6b6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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