MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4b82d2154aa722ebcbc554e0be9beb41d9af35b590c9e72793b6e59bc389e62. 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 4 File information Comments

SHA256 hash: b4b82d2154aa722ebcbc554e0be9beb41d9af35b590c9e72793b6e59bc389e62
SHA3-384 hash: 2eb58785dce768640cedeb3434bf3dc24287ab27ee5519c3e5bba4da8ce54c169e0da92fd9303fadb2d6c151f4afd555
SHA1 hash: b3be180b5930528eaf659b3108242911f8230274
MD5 hash: 195cc68806025af169e06d84e4511ea8
humanhash: ohio-whiskey-music-august
File name:Purchase Order - SAFCO 110172021.exe
Download: download sample
Signature Formbook
File size:1'003'008 bytes
First seen:2021-11-17 11:53:04 UTC
Last seen:2021-11-19 08:46:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:7rZ0OhCcfZ/2Yp44SeNzoOCAoblP7Y+xmKsNzjMyMM3LiezG9+aw9cNq0p2W0v:etk/2Yp441NzopA6P7YwspbME3ZqN0
Threatray 11'319 similar samples on MalwareBazaar
TLSH T1082503112D740A09EDEE4EF4411942C30BE2ED172266D62FDB827FC6A531749BDCA6F2
File icon (PE):PE icon
dhash icon e194aab2b2aad421 (10 x AgentTesla, 4 x AveMariaRAT, 3 x Formbook)
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
3
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order - SAFCO 110172021.exe
Verdict:
Malicious activity
Analysis date:
2021-11-17 12:33:41 UTC
Tags:
n/a

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

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating 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
Result
Verdict:
MALICIOUS
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
Antivirus detection for URL or domain
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
Self deletion via cmd delete
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 signatures2 2 Behavior Graph ID: 523583 Sample: Purchase Order - SAFCO 1101... Startdate: 17/11/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 8 other signatures 2->38 10 Purchase Order - SAFCO 110172021.exe 3 2->10         started        process3 file4 30 Purchase Order - SAFCO 110172021.exe.log, ASCII 10->30 dropped 48 Injects a PE file into a foreign processes 10->48 14 Purchase Order - SAFCO 110172021.exe 10->14         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 17 explorer.exe 14->17 injected process8 process9 19 colorcpl.exe 17->19         started        signatures10 40 Self deletion via cmd delete 19->40 42 Modifies the context of a thread in another process (thread injection) 19->42 44 Maps a DLL or memory area into another process 19->44 46 Tries to detect virtualization through RDTSC time measurements 19->46 22 cmd.exe 1 19->22         started        24 explorer.exe 1 160 19->24         started        26 explorer.exe 10 19->26         started        process11 process12 28 conhost.exe 22->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-17 11:54:35 UTC
AV detection:
23 of 45 (51.11%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:bus9 loader rat
Behaviour
Gathers network information
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
Malware Config
C2 Extraction:
http://www.navasoft.net/bus9/
Unpacked files
SH256 hash:
39d6b9888bb2703d5ddd38e26473cdf4f597279ef6a4a0100d8b67468993a424
MD5 hash:
918fedaf3704b0e45d6fab1037b1ad6a
SHA1 hash:
e631821ebde499b7db27e0d14302527ee723be35
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
SH256 hash:
bf0c0a3507b7da6029f388feeb279702f48d0ca20b5587d15e89bfc764c346fd
MD5 hash:
46807fe0705f3651b7b165ca9c209d0d
SHA1 hash:
22bd4eaedd58316a9afdd07ffbb7f0b810391a3a
SH256 hash:
b4b82d2154aa722ebcbc554e0be9beb41d9af35b590c9e72793b6e59bc389e62
MD5 hash:
195cc68806025af169e06d84e4511ea8
SHA1 hash:
b3be180b5930528eaf659b3108242911f8230274
Malware family:
XLoader
Verdict:
Malicious
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: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.

Comments