MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17d07aff0e5f1f4ef44afbd6d7e78c9e235d40f909019429ec8b1253c7a89f41. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 17d07aff0e5f1f4ef44afbd6d7e78c9e235d40f909019429ec8b1253c7a89f41
SHA3-384 hash: 42bab700b965afc8dbad2cca1aeea4f974172499218ffae4e3233b57e923ad86ae930d9fddf90c40b5cc51117480cb60
SHA1 hash: da4ac5c8fd1b88d389c395b05353b98751d28d41
MD5 hash: 6f69dab30bc56739e66919ff268b3b2a
humanhash: fanta-pluto-king-nebraska
File name:Payment_invoice.exe
Download: download sample
Signature Formbook
File size:886'272 bytes
First seen:2021-07-21 06:00:01 UTC
Last seen:2021-07-27 23:29:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:orOn2jrO4+yy1a3wTQiSW4PzcfFNHeDM6DgZY1LSKx:IOn2gyy1aGSW4kNH760m1WK
Threatray 6'634 similar samples on MalwareBazaar
TLSH T1E515BD3814684B67D67AA2B3C560A310FFF04DA77250DD1A4EA3F9C72E12743199EE1E
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence


File Origin
# of uploads :
4
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment_invoice.zip
Verdict:
Malicious activity
Analysis date:
2021-07-21 05:59:07 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
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
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 451748 Sample: Payment_invoice.exe Startdate: 21/07/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 7 other signatures 2->38 10 Payment_invoice.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\Payment_invoice.exe.log, ASCII 10->30 dropped 46 Writes to foreign memory regions 10->46 48 Injects a PE file into a foreign processes 10->48 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 19 explorer.exe 14->19 injected 58 Tries to detect virtualization through RDTSC time measurements 17->58 process8 process9 21 cmmon32.exe 19->21         started        24 autochk.exe 19->24         started        signatures10 40 Modifies the context of a thread in another process (thread injection) 21->40 42 Maps a DLL or memory area into another process 21->42 44 Tries to detect virtualization through RDTSC time measurements 21->44 26 cmd.exe 1 21->26         started        process11 process12 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-07-21 05:29:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
8 of 46 (17.39%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.illoftapartments.com/uecu/
Unpacked files
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
SH256 hash:
0bb1d7a47ce4a55186385d7e2b2e22a8e3e9f36fad8b57e765c12bb3c8b2c315
MD5 hash:
351bfbaf93f2561643f4eff8363e4664
SHA1 hash:
0666419f39b7466835c4080aeb103037523946d0
SH256 hash:
17d07aff0e5f1f4ef44afbd6d7e78c9e235d40f909019429ec8b1253c7a89f41
MD5 hash:
6f69dab30bc56739e66919ff268b3b2a
SHA1 hash:
da4ac5c8fd1b88d389c395b05353b98751d28d41
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: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:Skystars_Malware_Imphash
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 17d07aff0e5f1f4ef44afbd6d7e78c9e235d40f909019429ec8b1253c7a89f41

(this sample)

Comments