MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89fd73d17d825a1e661f69b41ffd9fcd9f5a3d044159763cbc82ffd0210eb78a. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 89fd73d17d825a1e661f69b41ffd9fcd9f5a3d044159763cbc82ffd0210eb78a
SHA3-384 hash: 5c74f018d89b3dea90c22ec43df005a4a2a425c311ac91bf08ae899fb7d73a803dd03e40c709727915fb6febde57489e
SHA1 hash: 37ded4a6085ad07cfbc97ac43d8fcfa5c81e8cbf
MD5 hash: 9f049132f0c15e8687a0b670deab0960
humanhash: july-berlin-pennsylvania-alaska
File name:Invoice #210722 14,890 $.exe
Download: download sample
Signature Formbook
File size:717'312 bytes
First seen:2021-07-27 23:50:27 UTC
Last seen:2021-07-28 00:53:56 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 12288:r//PAuIyO7H4N4z9IB/aP72aSiu/9KljHH1gWA34V5XmdLFmMCFI5YR9032nLEx4:rHPAsN4hIBCziV/9EjHVVUFmSAz
Threatray 6'908 similar samples on MalwareBazaar
TLSH T11FE4F1093B80AF8EC56B4D3B84915D10EBF2E52B670BF7877CD312EC584E7998A17192
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice #210722 14,890 $.exe
Verdict:
Malicious activity
Analysis date:
2021-07-27 23:53:37 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
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
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 virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 455228 Sample: Invoice #210722 14,890 $.exe Startdate: 28/07/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 10 Invoice #210722 14,890 $.exe 3 2->10         started        process3 file4 28 C:\Users\...\Invoice #210722 14,890 $.exe.log, ASCII 10->28 dropped 54 Injects a PE file into a foreign processes 10->54 14 Invoice #210722 14,890 $.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.villasabai.com 192.64.147.164, 49746, 49768, 80 VOODOO1US United States 17->30 32 www.newstarchurch.com 58.120.226.158, 49747, 49769, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 17->32 34 22 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netstat to query active network connections and open ports 17->46 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-21 22:03:30 UTC
AV detection:
28 of 46 (60.87%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader 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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.appackersandmoversbengaluru.com/p4se/
Unpacked files
SH256 hash:
c22a56ae1748271b6416d732ae11e6e3426ce0917265c869786a10c405872a9d
MD5 hash:
33267d24ffe92f02751de216ff6dfc38
SHA1 hash:
f9654be901670d5678c2f67773e168b8d4a51d26
SH256 hash:
2b3577c1b24cc00d1e47c447a9e85055ab1e40ec05b21f3734167e087293ffff
MD5 hash:
817c4ddc7649a84e72839a8177f3aa3f
SHA1 hash:
65741c4bf1bcacacd39c8e6d9069814629ab23a8
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
SH256 hash:
89fd73d17d825a1e661f69b41ffd9fcd9f5a3d044159763cbc82ffd0210eb78a
MD5 hash:
9f049132f0c15e8687a0b670deab0960
SHA1 hash:
37ded4a6085ad07cfbc97ac43d8fcfa5c81e8cbf
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 89fd73d17d825a1e661f69b41ffd9fcd9f5a3d044159763cbc82ffd0210eb78a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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