MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed2f68ce6d715976cfad3c41991685f1a190713626aea55c454da90682aa7ccb. 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 3 File information Comments 1

SHA256 hash: ed2f68ce6d715976cfad3c41991685f1a190713626aea55c454da90682aa7ccb
SHA3-384 hash: cad1af36df8c5c57fa86d23486f7d730dab4a3aec07808af7d1065cfd7b65b20f37a3c40023e85b4d676be8cdcb81c5e
SHA1 hash: 4802fec68f713b5707c4ea3385f5b1a800a18dd7
MD5 hash: fa23d89bf01c491760711826ad1744b9
humanhash: grey-two-april-east
File name:fa23d89bf01c491760711826ad1744b9
Download: download sample
Signature Formbook
File size:550'912 bytes
First seen:2021-11-24 18:52:27 UTC
Last seen:2021-11-24 21:06:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:OmWDNd1/JLqtXXLwPITpUza7J74Ic2D4BAExOgo6:s5qlMPI1Uz4cU4ST
TLSH T14EC4F1343A96D9A1E0592377C98E90880374B9057AA3E76F79DD334D6921BF33B016CB
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
874578.doc
Verdict:
Malicious activity
Analysis date:
2021-11-24 17:52:32 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a 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
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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 domain / URL
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 signatures2 2 Behavior Graph ID: 528146 Sample: eFSFIMudyc Startdate: 24/11/2021 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 10 other signatures 2->52 9 eFSFIMudyc.exe 3 2->9         started        process3 file4 28 C:\Users\user\AppData\...\eFSFIMudyc.exe.log, ASCII 9->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 9->54 56 Injects a PE file into a foreign processes 9->56 13 eFSFIMudyc.exe 9->13         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 13->58 60 Maps a DLL or memory area into another process 13->60 62 Sample uses process hollowing technique 13->62 64 Queues an APC in another process (thread injection) 13->64 16 colorcpl.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 36 Self deletion via cmd delete 16->36 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 42 Tries to detect virtualization through RDTSC time measurements 16->42 22 cmd.exe 1 16->22         started        30 www.mnloghomerental.com 217.194.134.134, 49810, 80 SKYVISIONGB United Kingdom 19->30 32 www.datingapes.com 19->32 34 parkingpage.namecheap.com 198.54.117.217, 49812, 80 NAMECHEAP-NETUS United States 19->34 44 System process connects to network (likely due to code injection or exploit) 19->44 24 autoconv.exe 19->24         started        signatures10 process11 process12 26 conhost.exe 22->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-24 18:53:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:fa83 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.nshocam.com/fa83/
Unpacked files
SH256 hash:
302ac54c94e8bdb12b7fdaeef76e2b936e0294ea5b1ced38c6da51ef50c3067e
MD5 hash:
d1a58ca8f82c480763bfa3205e80b770
SHA1 hash:
7b23287d165b2dae07ead2625bd4e1e525d27a1b
SH256 hash:
c741714899b3f6db777fcda3b9bbffd98be5e5f3a10ba08e44223da779e1cd1c
MD5 hash:
3f6c9b450e1b7c51c7c348a56374960a
SHA1 hash:
4041cf32cb5f9d70ae4fc17203af2515a91f3dc3
SH256 hash:
ed2f68ce6d715976cfad3c41991685f1a190713626aea55c454da90682aa7ccb
MD5 hash:
fa23d89bf01c491760711826ad1744b9
SHA1 hash:
4802fec68f713b5707c4ea3385f5b1a800a18dd7
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 ed2f68ce6d715976cfad3c41991685f1a190713626aea55c454da90682aa7ccb

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-24 18:52:30 UTC

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