MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37182811d9f3a0a2b3126266dc70a5253c4745de7e18e75a4c29393fbdedb142. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 37182811d9f3a0a2b3126266dc70a5253c4745de7e18e75a4c29393fbdedb142
SHA3-384 hash: 05409d863dc5d72fe6cde425afc3c5c2b2e04002e3d9bfa8f52470fdadd495f05b514947409f569d499074a469390f7b
SHA1 hash: 1ba5d0c5d596d7cdd2fd061fe74f2b332f1dcbb2
MD5 hash: c83834aa6525f1d8d862e6fe4f3f0fb5
humanhash: emma-michigan-eight-saturn
File name:PO 3003786473_pdf.exe
Download: download sample
Signature Formbook
File size:427'520 bytes
First seen:2022-01-24 09:56:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:GNpV8fgd8WQ57r21y/CdR8VgNzrsHA5Y:cVU7WS/+zmuf
Threatray 12'975 similar samples on MalwareBazaar
TLSH T1B994F14A32A4B16FC55BDE3ADD601C60D7B0756A2317D747A44F226D8E0E79B8F00AF2
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
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
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:
keylogger obfuscated packed
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
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
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
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: 558649 Sample: PO 3003786473_pdf.exe Startdate: 24/01/2022 Architecture: WINDOWS Score: 100 31 www.agriturismopartingoli.com 2->31 33 www.033yu.xyz 2->33 35 2 other IPs or domains 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 9 other signatures 2->49 11 PO 3003786473_pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\PO 3003786473_pdf.exe.log, ASCII 11->29 dropped 63 Injects a PE file into a foreign processes 11->63 15 PO 3003786473_pdf.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 vls003vm08.hostmaster.sk 93.184.77.58, 49822, 80 VNET-ASSK Slovakia (SLOVAK Republic) 18->37 39 ibankglobalfinance.xyz 199.188.206.30, 49850, 80 NAMECHEAP-NETUS United States 18->39 41 13 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 cscript.exe 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 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:
2022-01-24 09:57:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:b23k 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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
4f79539e5da0bd9c4a51b942698f60d0b19193ab9ad20acc5c86e672ae023e3d
MD5 hash:
38653e5fc92ebd947a2d12a0520bcded
SHA1 hash:
719138922ae1a05c0d5813f2e3b460f0dfef061e
SH256 hash:
8325a5cf7942bb46ac528c836b79180c05d71a4e7de108693d303d56bcc5def1
MD5 hash:
efdf2c54a74297c24bc73285376c432b
SHA1 hash:
564f25afb6c5599cdcd5fafaff32c1475e581af4
SH256 hash:
37182811d9f3a0a2b3126266dc70a5253c4745de7e18e75a4c29393fbdedb142
MD5 hash:
c83834aa6525f1d8d862e6fe4f3f0fb5
SHA1 hash:
1ba5d0c5d596d7cdd2fd061fe74f2b332f1dcbb2
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: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 37182811d9f3a0a2b3126266dc70a5253c4745de7e18e75a4c29393fbdedb142

(this sample)

  
Delivery method
Distributed via e-mail attachment

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