MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea9994b2d9543049c1bbd710592146c621673693508f6674190613625e68d9f2. 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 4 File information Comments

SHA256 hash: ea9994b2d9543049c1bbd710592146c621673693508f6674190613625e68d9f2
SHA3-384 hash: dea3ccf94d21463ef93a9f1d1849ac32ea13e25c6423df11a75eb98ec14daac649995da849d1fddb6e42e646e4d26481
SHA1 hash: bbcd5abb908518f4c38b1c124e18ac8bcaef9a76
MD5 hash: a9afaa0d3179ec59e00e62df3c97313f
humanhash: october-finch-cup-kitten
File name:20211009876263543_pdf.exe
Download: download sample
Signature Formbook
File size:884'736 bytes
First seen:2021-09-13 13:23:13 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:Uni5y2Oc8S70835f68xE8Y18Nk4DbF53e0IUFLwc68:UGyLct70835frxEHcC8
Threatray 9'521 similar samples on MalwareBazaar
TLSH T1D8156C1036D9CF25E03F5EB5C9E0A1F5472BBE22EE0297DB25807F4A3A72681DD81527
dhash icon 0f519373d9cc750b (107 x AgentTesla, 20 x AveMariaRAT, 5 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20211009876263543_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-13 13:27:41 UTC
Tags:
trojan formbook stealer

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

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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 dropped file
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
Sigma detected: CMSTP Execution Process Creation
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 482250 Sample: 20211009876263543_pdf.exe Startdate: 13/09/2021 Architecture: WINDOWS Score: 100 39 www.ordinaryexpert.com 2->39 41 www.impelyourdreams.com 2->41 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 10 other signatures 2->55 11 20211009876263543_pdf.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\rLsPLgBqWT.exe, PE32 11->33 dropped 35 C:\Users\user\AppData\Local\...\tmpCFBB.tmp, XML 11->35 dropped 37 C:\Users\...\20211009876263543_pdf.exe.log, ASCII 11->37 dropped 67 Uses schtasks.exe or at.exe to add and modify task schedules 11->67 69 Tries to detect virtualization through RDTSC time measurements 11->69 71 Injects a PE file into a foreign processes 11->71 15 20211009876263543_pdf.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 Queues an APC in another process (thread injection) 15->79 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 43 www.nineteethhole.net 20->43 45 www.loriwhitephotography.com 20->45 47 3 other IPs or domains 20->47 57 System process connects to network (likely due to code injection or exploit) 20->57 26 cmstp.exe 20->26         started        signatures11 process12 signatures13 59 Self deletion via cmd delete 26->59 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
Win32.Trojan.Sabsik
Status:
Malicious
First seen:
2021-09-13 09:14:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
12 of 44 (27.27%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:zrmt loader rat suricata
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.desertgardenrealty.com/zrmt/
Unpacked files
SH256 hash:
231bff283690c7feac02845286bad8f2156b7659d207bea969389ca9bfabe814
MD5 hash:
fb727a87b44b0b1813e63c8380d9d4ca
SHA1 hash:
f21d18fe018880576249d6a75fb4fbc994ae4125
SH256 hash:
68ff9a5eabb0b2f226a6879adc5eabef54b75f45fe50d124876ba7ce249ea646
MD5 hash:
63a465edc4dd5ea17f707f777135b6e1
SHA1 hash:
c5be03ea4e33a006657f83d875c7e84bb5599790
SH256 hash:
ea9994b2d9543049c1bbd710592146c621673693508f6674190613625e68d9f2
MD5 hash:
a9afaa0d3179ec59e00e62df3c97313f
SHA1 hash:
bbcd5abb908518f4c38b1c124e18ac8bcaef9a76
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.

  
Delivery method
Other

Comments