MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3238da427c80f842f5b4a789726005ac06157181d80a32105aa639b325d0330. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: f3238da427c80f842f5b4a789726005ac06157181d80a32105aa639b325d0330
SHA3-384 hash: 940cb52ed172ad7ee6a2da0546c64282a1c5548118f3a766295d0e878f7da0f617741bd20bafba586c169d10b85c5539
SHA1 hash: aab70a28915715dad73ce093aa0b8cf7a558a860
MD5 hash: 1a57158743374e0921da27736bd82f9f
humanhash: nitrogen-pasta-washington-asparagus
File name:__ __ __.exe
Download: download sample
Signature Formbook
File size:874'496 bytes
First seen:2021-08-09 02:00:43 UTC
Last seen:2021-08-09 02:49:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:d137TeVv5IYL6VAO9QQOPv5Gx1MziGqLK49H2dgeYXN1jAt2NjFtOHpF:d1ripBL6VAO9QQ9my9HMy7jAMNja
Threatray 7'783 similar samples on MalwareBazaar
TLSH T1A505CF90E585AA06C68818BF1F3DF6B017FC9D8A1556C0413ED8DE573BAAEFA09C35C1
dhash icon f0d88d061bd2d0f0 (8 x AgentTesla, 7 x Formbook, 3 x SnakeKeylogger)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
__ __ __.exe
Verdict:
Malicious activity
Analysis date:
2021-08-09 02:03:34 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
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Defender Exclusion
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: 461346 Sample: __ __ __.exe Startdate: 09/08/2021 Architecture: WINDOWS Score: 100 35 www.cumhuriyetcidemokratpartisi.kim 2->35 37 redirect.natrocdn.com 2->37 39 natroredirect.natrocdn.com 2->39 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 9 other signatures 2->53 11 __ __ __.exe 4 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\__ __ __.exe.log, ASCII 11->33 dropped 65 Adds a directory exclusion to Windows Defender 11->65 67 Injects a PE file into a foreign processes 11->67 15 __ __ __.exe 11->15         started        18 powershell.exe 25 11->18         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 41 parcclematis-newlaunch.com 101.100.204.11, 49726, 80 VODIEN-AS-AP-LOC2VodienInternetSolutionsPteLtdSG Singapore 20->41 43 medisola.xyz 93.89.226.17, 49722, 80 TR-FBSTR Turkey 20->43 45 10 other IPs or domains 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Performs DNS queries to domains with low reputation 20->57 26 help.exe 20->26         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 63 Tries to detect virtualization through RDTSC time measurements 26->63 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-06 05:37:08 UTC
AV detection:
24 of 46 (52.17%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:u3r5 loader rat suricata
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.cumhuriyetcidemokratpartisi.kim/u3r5/
Unpacked files
SH256 hash:
2956bc6a57d1dd4bffb4ef8e44346ce091a191b982981ea9230c9428601e8889
MD5 hash:
7929d6de466efba479d51c5bd7a74c2a
SHA1 hash:
f7acb5e544136ffbf3f8bc96999e7945ad48d946
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
aed00f82f1772e5a403cce9c1349202c8371e67ed9ef19a33cac0bf2a411f3c1
MD5 hash:
c273f926e2a29bd62cc8f27b569a0b2a
SHA1 hash:
e08d302cab3e11d776599a6b0537207fce6f9c51
SH256 hash:
1df60ec2a7029f193333490563945876f7ae85ce5a6c948d29bc14eb1643b728
MD5 hash:
c5eeed7942f6aeac49c30b819d8186da
SHA1 hash:
61d87d530f4029eb98de7b84e6e3c0ccc542b303
SH256 hash:
f3238da427c80f842f5b4a789726005ac06157181d80a32105aa639b325d0330
MD5 hash:
1a57158743374e0921da27736bd82f9f
SHA1 hash:
aab70a28915715dad73ce093aa0b8cf7a558a860
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