MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca146513d9ec6ec60b81b20fd9aa2f262c54d447e8361417c3c4b7678e51e6a5. 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 1 File information Comments

SHA256 hash: ca146513d9ec6ec60b81b20fd9aa2f262c54d447e8361417c3c4b7678e51e6a5
SHA3-384 hash: cdd5fb9f36d62fc6024bbca5223fccd3fc2b4984615d6dfe157c3b30110e7543fb7ed84b817bf09f422b30208f0449ab
SHA1 hash: 388e899a7145a06d0ce012ef4c3590840853082d
MD5 hash: f225bd6e1facbe754c48a861d5aa0735
humanhash: double-fourteen-early-football
File name:Payment _Slip copy.exe
Download: download sample
Signature Formbook
File size:572'416 bytes
First seen:2021-04-08 06:50:20 UTC
Last seen:2021-04-08 08:26:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Q9kOFVXJI57ub9q2b78Heh87mFkkFpgKdVCBCmGF7rRBNw4H6vK+bB:NOFVysb9Bb72ehAmJFWKLCr
Threatray 166 similar samples on MalwareBazaar
TLSH 21C49D816BC0A381E7B0867D8F2AD67586033D2B2672064731F0BE5F3BFD1C7A51A956
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: ip116.ip-147-135-107.us
Sending IP: 147.135.107.116
From: <sales@vietdan.com.vn>
Subject: Re:Re:Payment confirmation For Signed Contract
Attachment: Payment _Slip copy.rar (contains "Payment _Slip copy.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment _Slip copy.exe
Verdict:
No threats detected
Analysis date:
2021-04-08 06:58:28 UTC
Tags:
n/a

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

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a service
Deleting a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser 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
Allocates memory in foreign processes
Antivirus detection for URL or domain
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 dropped file
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 dropped file
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 383743 Sample: Payment _Slip copy.exe Startdate: 08/04/2021 Architecture: WINDOWS Score: 100 46 www.posttensionrepairs.com 2->46 48 posttensionrepairs.com 2->48 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 12 other signatures 2->60 11 Payment _Slip copy.exe 4 2->11         started        signatures3 process4 file5 38 C:\Users\user\...\Payment _Slip copy.exe, PE32 11->38 dropped 40 C:\...\Payment _Slip copy.exe:Zone.Identifier, ASCII 11->40 dropped 42 C:\Users\user\...\Payment _Slip copy.exe.log, ASCII 11->42 dropped 44 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 11->44 dropped 64 Writes to foreign memory regions 11->64 66 Allocates memory in foreign processes 11->66 68 Injects a PE file into a foreign processes 11->68 15 Payment _Slip copy.exe 11->15         started        18 AdvancedRun.exe 1 11->18         started        21 AdvancedRun.exe 1 11->21         started        signatures6 process7 dnsIp8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 76 Queues an APC in another process (thread injection) 15->76 23 explorer.exe 15->23 injected 50 192.168.2.1 unknown unknown 18->50 27 AdvancedRun.exe 18->27         started        29 AdvancedRun.exe 21->29         started        signatures9 process10 dnsIp11 52 www.craftsmanwork.com 64.190.62.111, 49728, 80 NBS11696US United States 23->52 62 System process connects to network (likely due to code injection or exploit) 23->62 31 cmd.exe 23->31         started        signatures12 process13 signatures14 78 Modifies the context of a thread in another process (thread injection) 31->78 80 Maps a DLL or memory area into another process 31->80 82 Tries to detect virtualization through RDTSC time measurements 31->82 34 cmd.exe 1 31->34         started        process15 process16 36 conhost.exe 34->36         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-04-08 00:55:21 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Nirsoft
Formbook
Malware Config
C2 Extraction:
http://www.discorddeno.land/suod/
Unpacked files
SH256 hash:
f4bd34697a501913488485317945ce4d513b6ada631a25c3a5ac48ed1d6f230a
MD5 hash:
731bdde50d6129f2aae111e748906cac
SHA1 hash:
abec816749ab9e19b7469325bb6c280d77c99f76
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
2a01d70a2a1bffaa83a65cac80085e27663d531d1753d37b1da0828ce454c7e0
MD5 hash:
02b30480acd88b714d813273054a4dd0
SHA1 hash:
f27e7bbd5fd52d380fe58ea7cffb16bf5f09de6f
SH256 hash:
130b3295534956097b26623a7e528270aeb07ce52edd2e0ad7265f97b0f28661
MD5 hash:
13461b58d476549760fc2a96ada140f6
SHA1 hash:
6b8eb03de6b61f8631025af5c54e4b9916a5bafc
SH256 hash:
ba491f72333dc5325fa1800d549815fd03c210ad9170cd71d4c17920e2367b15
MD5 hash:
9b3e09324ef98f5c26757a8f9ccab0c4
SHA1 hash:
0fbb2b3cbfbd3c4190ef2d6e627dec0648658a19
SH256 hash:
ca146513d9ec6ec60b81b20fd9aa2f262c54d447e8361417c3c4b7678e51e6a5
MD5 hash:
f225bd6e1facbe754c48a861d5aa0735
SHA1 hash:
388e899a7145a06d0ce012ef4c3590840853082d
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


The table below shows additional information about this malware sample such as delivery method and external references.

95cfa0c63e74fa8723e1d3c55722c460

Formbook

Executable exe ca146513d9ec6ec60b81b20fd9aa2f262c54d447e8361417c3c4b7678e51e6a5

(this sample)

  
Dropped by
MD5 95cfa0c63e74fa8723e1d3c55722c460
  
Delivery method
Distributed via e-mail attachment

Comments