MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9daf6c939e1c734dca8262f7c96844167c8869301b032c1f156f0e532b055603. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9daf6c939e1c734dca8262f7c96844167c8869301b032c1f156f0e532b055603
SHA3-384 hash: e7cc1cf1d863c417a7288013924e116208843dec2fbc3e5d4b71f44416401bcdc1fa94cdbcbf952dad81ae43dd673327
SHA1 hash: 2b4efb3472b4f6e81c4f19aab101c4640fbf859a
MD5 hash: 3b63e13188ab9a9ec80e059902555be4
humanhash: kilo-cup-massachusetts-helium
File name:Transfer form.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:477'696 bytes
First seen:2020-10-28 07:37:00 UTC
Last seen:Never
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:n8F03Jq8HcD+jripjBm1UQXlzZR+P7MGr97zctB0bjf3WmxmtvnJ:n863Uuc6j+Lm1UQOAU970Cf3OJ
TLSH 83A401A8B5D1BD9FC59BCD3355A56C20E3A0A46B430FF247C47376E4C88D68A8F605E2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: ultimatecircle.com.my
Sending IP: 95.211.208.23
From: sales@ultimatecircle.com.my
Subject: RE: PAYMENT INSTRUCTIONS
Attachment: Transfer form.r00 (contains "Transfer form.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80302/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514603
Signature
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
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 306411 Sample: Transfer form.exe Startdate: 28/10/2020 Architecture: WINDOWS Score: 100 36 www.artistspal.com 2->36 38 artistspal.com 2->38 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 10 other signatures 2->52 11 Transfer form.exe 6 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\Roaming\kPxJKyDg.exe, PE32 11->32 dropped 34 C:\Users\user\AppData\Local\...\tmp8B68.tmp, XML 11->34 dropped 14 Transfer form.exe 11->14         started        17 schtasks.exe 1 11->17         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 40 artistspal.com 34.102.136.180, 49736, 49751, 80 GOOGLEUS United States 19->40 42 www.52wanlol.com 45.39.153.189, 49749, 80 EGIHOSTINGUS United States 19->42 44 4 other IPs or domains 19->44 54 System process connects to network (likely due to code injection or exploit) 19->54 25 colorcpl.exe 19->25         started        signatures10 process11 signatures12 56 Modifies the context of a thread in another process (thread injection) 25->56 58 Maps a DLL or memory area into another process 25->58 60 Tries to detect virtualization through RDTSC time measurements 25->60 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9daf6c939e1c734dca8262f7c96844167c8869301b032c1f156f0e532b055603/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-27 22:46:18 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=twxwze46drzu3sucml34s2cecz6iq2jqdmbsyhyvn4hfgkyfkybq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201028-52mwb9b8tj/
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9daf6c939e1c734dca8262f7c96844167c8869301b032c1f156f0e532b055603

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_InTheFuture
Create hunting rule
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.

Malspam

Formbook

r00 7d4de2b48e20ea2ff9c8d92a5de1b025f6fe2d9e4cd6f9e64e7b4c3cffbcc313

Formbook

Executable exe 9daf6c939e1c734dca8262f7c96844167c8869301b032c1f156f0e532b055603

(this sample)

  
Dropped by
MD5 eadb45e1d49135678aa30df4f403046a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/80302/
  
Dropped by
SHA256 7d4de2b48e20ea2ff9c8d92a5de1b025f6fe2d9e4cd6f9e64e7b4c3cffbcc313

Comments