MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f588080c3618162c1bd0337092af0ba118b7277de6c2043a988562efdb0cbbb. 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 3 File information Comments

SHA256 hash: 4f588080c3618162c1bd0337092af0ba118b7277de6c2043a988562efdb0cbbb
SHA3-384 hash: e7b37f44396eb608ecec99d353b5917da346c22f174323a72290a7619838f24c30ba5e506d7ca71c865d7142a532b793
SHA1 hash: 9a5d25e8ba973c5d289061c62ebb08bb03a87f36
MD5 hash: bf4180a92d18e2779945be58c17fa065
humanhash: green-carolina-foxtrot-indigo
File name:AWB & Shipping Documents.exe
Download: download sample
Signature Formbook
File size:829'952 bytes
First seen:2021-07-14 14:50:40 UTC
Last seen:2021-07-14 16:11:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:MHmGsl0drNls9XOd4+QCuKXlebh8uCwD7DF+EyQz8RPgplU094E+v/r45SykV:MHO0+K1ebhIwD7cERQRPoUq4//kSym
Threatray 6'402 similar samples on MalwareBazaar
TLSH T199057C2C23BEA709F233FF319FA5E6449FA676B59215DD0D2DC0024A4861D81BEA7D31
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence


File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AWB & Shipping Documents.exe
Verdict:
Malicious activity
Analysis date:
2021-07-14 15:02:06 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 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
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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: 448923 Sample: AWB & Shipping Documents.exe Startdate: 14/07/2021 Architecture: WINDOWS Score: 100 31 www.swidow.today 2->31 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 12 other signatures 2->45 11 AWB & Shipping Documents.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\AWB & Shipping Documents.exe.log, ASCII 11->29 dropped 55 Injects a PE file into a foreign processes 11->55 15 AWB & Shipping Documents.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 fruitloopsmarketing.com 92.204.241.220, 49737, 80 VELIANET-ASvelianetInternetdiensteGmbHDE Germany 18->33 35 zubaiqlinasports.com 170.249.210.234, 49732, 80 PRIVATESYSTEMSUS United States 18->35 37 14 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 rundll32.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       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-14 03:23:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 29 (62.07%)
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
Deletes itself
Blocklisted process makes network request
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.coffeyklatch.com/iuem/
Unpacked files
SH256 hash:
d34df983105e0b435f0eca80d07a30ea74b11a85f22562d9e295b39fcaf90344
MD5 hash:
314a177df189dc003b3abd6dd36698d7
SHA1 hash:
84541bfda4648ef29d95e87462417c1a846f317d
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
3b5e639973158f867155686ed0329995cc54173736036fe27e2945f4604dbf69
MD5 hash:
8b94328f9e957b5bc5cbf26eded45625
SHA1 hash:
ebf61c96d17da77741abef6cf1a1f15ad895d417
SH256 hash:
f6b966d526c3f7f476c4f9b617557ec577d245b222c906b14daa8d91e9f96970
MD5 hash:
7aff51aebfe26802982ef07ad0bc8227
SHA1 hash:
b5cf73d9f8420548deec8ea90fa3669a7a7da13d
SH256 hash:
13e3aca2d328582e46d65f8d838e33f4024425e2e13e77ee1b3d0f8d16103309
MD5 hash:
bf5b133247197e946576cf3f9bd429b6
SHA1 hash:
a28197dcaddf163335d23740dedc927d8d2a74e1
SH256 hash:
4f588080c3618162c1bd0337092af0ba118b7277de6c2043a988562efdb0cbbb
MD5 hash:
bf4180a92d18e2779945be58c17fa065
SHA1 hash:
9a5d25e8ba973c5d289061c62ebb08bb03a87f36
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 4f588080c3618162c1bd0337092af0ba118b7277de6c2043a988562efdb0cbbb

(this sample)

Comments