MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2dd12adec362ce7457da7795a1b0505dc2c88ab322a1c59637e8196528739f0. 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 3 File information Comments 1

SHA256 hash: a2dd12adec362ce7457da7795a1b0505dc2c88ab322a1c59637e8196528739f0
SHA3-384 hash: 05b2c410086c153158b52737122cfaa9d6ee748cc248c0621f4ed17d31423544e27a8ccb66f6d3c7b4ba562b08efacc4
SHA1 hash: d15127da7d1de660a66e9062c81131d9c3fd9d4b
MD5 hash: 1b409f19f166463379e0211aced1af99
humanhash: speaker-oregon-missouri-black
File name:1b409f19f166463379e0211aced1af99
Download: download sample
Signature Formbook
File size:356'864 bytes
First seen:2021-10-26 14:40:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:Zb6oz1U4bqekD72rnllTIEH3OV8ipEBTRE3X4R5ANndrlYW2cC+Hk/vdXH1McD:71U4bkDs0UBo2MdpvC+6xC
Threatray 10'840 similar samples on MalwareBazaar
TLSH T1347412A85BDCE235EEB7177C5101492C62FC506A6021F38F1B9AB4D16F6B30682077AB
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
339
Origin country :
n/a
Vendor Threat Intelligence
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
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
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 signatures2 2 Behavior Graph ID: 509539 Sample: E1PGk0W2AH Startdate: 26/10/2021 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 9 other signatures 2->42 10 E1PGk0W2AH.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...1PGk0W2AH.exe.log, ASCII 10->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 E1PGk0W2AH.exe 10->14         started        signatures5 process6 signatures7 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 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.sodo6697.com 185.213.60.67, 49694, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Hong Kong 17->30 32 www.sytypij.xyz 37.123.118.150, 49693, 80 UK2NET-ASGB United Kingdom 17->32 34 11 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Performs DNS queries to domains with low reputation 17->46 21 rundll32.exe 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-26 14:40:09 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:jy0b rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.filecrev.com/jy0b/
Unpacked files
SH256 hash:
5b4cf34a2b9f0dc94bc8d05620e52ca85c40ee131e276c508c1bbe38d3083cba
MD5 hash:
c14ad210fea40b03d797f63b1451ef45
SHA1 hash:
909466bacdd6890c7ae9dc80ad0d6db9bd8a8471
SH256 hash:
a5c2baaf64d2f20666f5d02876e9f5b59d8ec5c538ee82f1711d9d0db3f189e0
MD5 hash:
8ecd3b39d0778503439b9e9dd0475b2d
SHA1 hash:
249f0f11920286ba191592bfaf13a2c0d7cc7ca6
SH256 hash:
a2dd12adec362ce7457da7795a1b0505dc2c88ab322a1c59637e8196528739f0
MD5 hash:
1b409f19f166463379e0211aced1af99
SHA1 hash:
d15127da7d1de660a66e9062c81131d9c3fd9d4b
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: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.

Web download

Formbook

Executable exe a2dd12adec362ce7457da7795a1b0505dc2c88ab322a1c59637e8196528739f0

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-10-26 14:40:00 UTC

url : hxxp://binatonezx.tk/villarzx.exe