MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bc7ae65ce4613e96d19dcf560ec6bb47395431ed05480c42895002570c9cb3a. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 1bc7ae65ce4613e96d19dcf560ec6bb47395431ed05480c42895002570c9cb3a
SHA3-384 hash: ec8901f1cb420b6926e4145c65e1b83f69e30256b24abc7d34ef5993a1f763eadf0bbf8980db6857051583eb7676e57f
SHA1 hash: 8aef6d379ef3f989cbaf58ddc4d63fef47684ad2
MD5 hash: cf54a8a8c3ffc702fd6d9d351baf6edf
humanhash: ink-autumn-lithium-spaghetti
File name:pdf_PO-scan00160222.exe
Download: download sample
Signature Formbook
File size:89'600 bytes
First seen:2022-02-16 09:12:38 UTC
Last seen:2022-02-16 11:19:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:H+9wLs3y0FSM5KCLhpxHPN7hAQkIqpArsoHHeY1zq4XU/YXdaOth8pzuR:HqCd0FSM5jpxHPdhAQkWr5HH71q4J3
TLSH T19793F772A21E4724D5578F3EC69FBA3C03A6EF12543ADA4AE44D33B51AF33B2C954601
File icon (PE):PE icon
dhash icon 125ad212e9cd3682 (40 x AgentTesla, 21 x Loki, 19 x Heodo)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Sending a custom TCP request
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:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
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
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
Self deletion via cmd delete
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 573161 Sample: pdf_PO-scan00160222.exe Startdate: 16/02/2022 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 7 other signatures 2->45 10 pdf_PO-scan00160222.exe 15 4 2->10         started        process3 dnsIp4 33 www.lexneuquen.com 10->33 35 google.com 172.217.168.14 GOOGLEUS United States 10->35 37 3 other IPs or domains 10->37 31 C:\Users\user\...\pdf_PO-scan00160222.exe.log, ASCII 10->31 dropped 55 Tries to detect virtualization through RDTSC time measurements 10->55 57 Injects a PE file into a foreign processes 10->57 15 pdf_PO-scan00160222.exe 10->15         started        18 conhost.exe 10->18         started        20 pdf_PO-scan00160222.exe 10->20         started        file5 signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 22 explorer.exe 15->22 injected process9 process10 24 mstsc.exe 22->24         started        signatures11 47 Self deletion via cmd delete 24->47 49 Modifies the context of a thread in another process (thread injection) 24->49 51 Maps a DLL or memory area into another process 24->51 53 Tries to detect virtualization through RDTSC time measurements 24->53 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2022-02-16 09:13:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:dgrg loader rat suricata
Behaviour
Checks processor information in registry
Gathers network information
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
1bc7ae65ce4613e96d19dcf560ec6bb47395431ed05480c42895002570c9cb3a
MD5 hash:
cf54a8a8c3ffc702fd6d9d351baf6edf
SHA1 hash:
8aef6d379ef3f989cbaf58ddc4d63fef47684ad2
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 1bc7ae65ce4613e96d19dcf560ec6bb47395431ed05480c42895002570c9cb3a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments