MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ea788a8e3994ed086ef80bfc41c87e95eaa0d42f6c669c6c987e65afba3ba8a. 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 2 File information Comments 1

SHA256 hash: 7ea788a8e3994ed086ef80bfc41c87e95eaa0d42f6c669c6c987e65afba3ba8a
SHA3-384 hash: 6ff1d7e8d8d5135667b4be2b1ac47997335955bc5c21003c55617e75fe16fa18eb204c43e2e04e5c936fbed5fe5fac31
SHA1 hash: c084ce505d67581accb393353e96548bc34c785f
MD5 hash: d010624692022d8cb3009845b12a02ff
humanhash: butter-timing-ceiling-nevada
File name:d010624692022d8cb3009845b12a02ff
Download: download sample
Signature Formbook
File size:561'152 bytes
First seen:2022-04-28 08:03:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:tgLWJeftDxbb48t9kSeX6GSz+wbcIQgWl+jIyvwCPgyzO/:tMQK51bvNe++wbsJSIKwz2S
TLSH T1BBC40209D2BE5F11E97F87F87924371483B539266106EBCACDC164E90D7A7E14900FA7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon f0e8e8ccccc4e8f0 (4 x AgentTesla, 3 x Formbook, 2 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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: Application Executed Non-Executable Extension
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 dnsIp2 2 Behavior Graph ID: 617134 Sample: sthOT6q8Qd Startdate: 28/04/2022 Architecture: WINDOWS Score: 100 33 www.dapurabah.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 11 other signatures 2->47 11 sthOT6q8Qd.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\sthOT6q8Qd.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 sthOT6q8Qd.exe 11->15         started        18 sthOT6q8Qd.exe 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected process9 dnsIp10 35 www.dagosnoa.com 91.195.240.94, 49854, 80 SEDO-ASDE Germany 20->35 37 antifdfprofiteering.com 173.232.246.138, 49777, 80 EONIX-COMMUNICATIONS-ASBLOCK-62904US United States 20->37 39 7 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 51 Performs DNS queries to domains with low reputation 20->51 24 rundll32.exe 20->24         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 24->53 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-28 08:04:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a18a rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
2369c704f404e79d1761322d9d0cdfa8e94cee21ad79ac3428f5d4832a698d3e
MD5 hash:
a8b050e893cb28033bc8585cd3a9da7e
SHA1 hash:
6ade237568f5d8e7c2a0fd0419a0e65845586173
SH256 hash:
92fc621e886ad486195efe1b074a5186c27599e3dd4d71c72cae3078b8660ae2
MD5 hash:
e80503550a2aa077f62f09c7dc6be7e4
SHA1 hash:
f93e86c149eac50b611a1f9a7b59f5d81026262c
SH256 hash:
6b3fe4961f5a108317c865282ee75d7621abbec96cd5eed19a61d47b3cc0041c
MD5 hash:
dddbe976d935c1070c5dd5f5eca69494
SHA1 hash:
fb574e85aa2181a379de9dc98a05d0bb68a9f524
SH256 hash:
097812096e5a6fb380b64a0139d6eb30428d897f2d8d8a40a8dcc26ae3e7b900
MD5 hash:
c932b658bdfb1b1062dd79d6a93742ca
SHA1 hash:
e7bd5f43c8bbaa49686fd7b6cba9f5bfa7b3da52
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
7ea788a8e3994ed086ef80bfc41c87e95eaa0d42f6c669c6c987e65afba3ba8a
MD5 hash:
d010624692022d8cb3009845b12a02ff
SHA1 hash:
c084ce505d67581accb393353e96548bc34c785f
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.

Web download

Formbook

Executable exe 7ea788a8e3994ed086ef80bfc41c87e95eaa0d42f6c669c6c987e65afba3ba8a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-04-28 08:04:02 UTC

url : hxxp://prosperbusinessdepot.com/a.exe