MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e66c52aca22de91160817e09506aec8daa8b0eb29883bda8b2478bf2424f5379. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: e66c52aca22de91160817e09506aec8daa8b0eb29883bda8b2478bf2424f5379
SHA3-384 hash: bf9d033213e3cc5b391643c5f8e67be486805385e84d701baa9dbdd9bc5585b753c53b0d02de0b60d8d30c8aeee9636c
SHA1 hash: ae70418a078bb8fb5e0866660fca7beb5b073b23
MD5 hash: 5838c04b731b46600227101ce587fb59
humanhash: alaska-sodium-moon-papa
File name:Zitat-HEQ211025001T-EXPP v4,pdf.exe
Download: download sample
Signature Formbook
File size:623'616 bytes
First seen:2021-11-12 12:02:14 UTC
Last seen:2021-11-12 14:07:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:i1qu2iNV3u0bRaGdxC+fghLroHmtlrb1hlzAKp:mV17e0bRjdxC+f2Lftb1hlDp
TLSH T180D4D090706885C7E6794DB2685BE13116F469DEE5DAD18F3DCAB7AA20F2341010EB3F
File icon (PE):PE icon
dhash icon 8084a48cbc8ce4f8 (44 x Formbook, 20 x AveMariaRAT, 11 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
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.
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
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 520576 Sample: Zitat-HEQ211025001T-EXPP v4... Startdate: 12/11/2021 Architecture: WINDOWS Score: 100 34 www.spoilthemrottenpets.com 2->34 36 www.nxhxyzjy.com 2->36 38 10 other IPs or domains 2->38 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 9 other signatures 2->48 10 Zitat-HEQ211025001T-EXPP v4,pdf.exe 3 2->10         started        signatures3 process4 file5 32 Zitat-HEQ211025001T-EXPP v4,pdf.exe.log, ASCII 10->32 dropped 58 Injects a PE file into a foreign processes 10->58 14 Zitat-HEQ211025001T-EXPP v4,pdf.exe 10->14         started        17 Zitat-HEQ211025001T-EXPP v4,pdf.exe 10->17         started        signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 19 explorer.exe 14->19 injected process9 signatures10 50 Uses netstat to query active network connections and open ports 19->50 22 NETSTAT.EXE 19->22         started        25 autochk.exe 19->25         started        27 autochk.exe 19->27         started        process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 22->52 54 Maps a DLL or memory area into another process 22->54 56 Tries to detect virtualization through RDTSC time measurements 22->56 29 explorer.exe 2 192 22->29         started        process13 dnsIp14 40 192.168.2.1 unknown unknown 29->40
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-12 12:03:04 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:b62n loader rat suricata
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.multidetoxhepatico.com/b62n/
Unpacked files
SH256 hash:
bd4c4912209802bb457983177d94b220d20dc9775ff973f90bd1c6afd729bc9c
MD5 hash:
8cde05c2cc918a68b075bdb2854c9994
SHA1 hash:
bc3c4e2826370171102ee8b7bd317493cd72c15f
SH256 hash:
af9e2cd475ead06b0b107a40fa10b58191cc9e3e8051dc18cb72d916db52abf0
MD5 hash:
c89ef69bad2ff4905696a5516774a734
SHA1 hash:
6e006cd872768ddb277abfdee65630edcd20d6ca
SH256 hash:
e66c52aca22de91160817e09506aec8daa8b0eb29883bda8b2478bf2424f5379
MD5 hash:
5838c04b731b46600227101ce587fb59
SHA1 hash:
ae70418a078bb8fb5e0866660fca7beb5b073b23
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.

Malspam

Formbook

Executable exe e66c52aca22de91160817e09506aec8daa8b0eb29883bda8b2478bf2424f5379

(this sample)

  
Delivery method
Distributed via e-mail attachment

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