MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c508beda564432a5658a9a1a1ef8061971195cc9ad84fba7c38db9b65450eab. 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 2 File information Comments

SHA256 hash: 6c508beda564432a5658a9a1a1ef8061971195cc9ad84fba7c38db9b65450eab
SHA3-384 hash: d9741cc820002fb17c2cba5c878134055fa65f6e139bcb475112a34393e226711598cf96244b0f4d80358cfb30931f8f
SHA1 hash: 6597e9a58c2d951e67de9f8c6219d4b151a24dc4
MD5 hash: 6813095cabcd77c8baca6b2d3fb485ca
humanhash: west-oven-item-maine
File name:Purchas.exe
Download: download sample
Signature Formbook
File size:846'336 bytes
First seen:2022-04-05 11:14:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:hDScDsptPWouNA+aU4haokG+wrBY4qYOJlDcK:1sptPvfaokGnnqYOfA
Threatray 14'607 similar samples on MalwareBazaar
TLSH T1D705120431285B96D57C5BF920B28D680BB96F11BE44FC596FCA34D97AB33C213C19AB
File icon (PE):PE icon
dhash icon 7cf6b6aa8ed0e8b4 (18 x Formbook, 3 x SnakeKeylogger, 2 x NanoCore)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
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
Antivirus / Scanner detection for submitted sample
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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: 603274 Sample: Purchas.exe Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 31 www.jjshomefurniture.com 2->31 33 shops.myshopify.com 2->33 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 8 other signatures 2->45 11 Purchas.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\Purchas.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 Purchas.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 indianfood101.com 156.67.74.113, 49794, 80 TESONETLT United States 18->35 37 www.indianfood101.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 help.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-04 17:43:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:d1n3 rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
04cb415f9ccbd788143a8609e763804a9b6c84f53b99e94781b3633339e127ea
MD5 hash:
fc257583226d8f90cba6e930c892ffe2
SHA1 hash:
60bc125d240e0193a1d2fd96e35e55e2784d629d
SH256 hash:
83a1372b59c86ad7478b4c6bccfeabedb68b126b4890287c57d940557ca8379b
MD5 hash:
c281901b66071f1fde03b6cc2fab53c7
SHA1 hash:
361ce927cb2aac1dd21dbf9b95d31a167da69fe9
SH256 hash:
71764eb60a83a17343af4a26bf3ec546c5ee08454722233fd5cf59693327b1a4
MD5 hash:
bfcf754fb9acba752f79f44817b7be23
SHA1 hash:
01af19456b6f97790973d0d67a97ecc362ab7aed
SH256 hash:
6c508beda564432a5658a9a1a1ef8061971195cc9ad84fba7c38db9b65450eab
MD5 hash:
6813095cabcd77c8baca6b2d3fb485ca
SHA1 hash:
6597e9a58c2d951e67de9f8c6219d4b151a24dc4
Malware family:
FormBook
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: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 6c508beda564432a5658a9a1a1ef8061971195cc9ad84fba7c38db9b65450eab

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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