MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c11060e98a1fd5927043effed391b0278f0b5ffcc6a0e1afe63cc9b0831d0c50. 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 2 File information Comments

SHA256 hash: c11060e98a1fd5927043effed391b0278f0b5ffcc6a0e1afe63cc9b0831d0c50
SHA3-384 hash: 2f0915dc0542218730c752860cc4ea30b072d5f31a9430a879da79483faa4820227e8b4582c2556f3baf51688da08823
SHA1 hash: 62f036e140cf97c17154d6569ccd7d45b57aac44
MD5 hash: d823244f327841d52ec105b1f71529e5
humanhash: mike-winter-avocado-idaho
File name:New Requirment.exe
Download: download sample
Signature Formbook
File size:786'432 bytes
First seen:2020-11-05 11:45:06 UTC
Last seen:2020-11-05 13:35:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:wOatJYYCKeeNjOKdyVcgX/eodXKp2xozjnOeX6nKAZgDpaSO3nMJibf41y99zzSf:wpYMeeJOvb/eoAp2xrB9zztzzK
Threatray 450 similar samples on MalwareBazaar
TLSH E8F42AB6D745ECDDD5073831487C84515077AECAA9A6C66EBC0D362498F23833BABD0B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: s2.shared.host.kg
Sending IP: 212.2.227.166
From: M.M TRADING <mktgjed62@bafcointl.com>
Reply-To: rnnfibi@outlook.com
Subject: Please quote/Nov 5 inquiry
Attachment: New Order Requirment.iso (contains "New Requirment.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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
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)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 309799 Sample: New Requirment.exe Startdate: 05/11/2020 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 6 other signatures 2->38 10 New Requirment.exe 6 2->10         started        process3 file4 26 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 10->26 dropped 28 C:\Users\user\...28ew Requirment.exe.log, ASCII 10->28 dropped 30 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 10->30 dropped 46 Writes to foreign memory regions 10->46 48 Allocates memory in foreign processes 10->48 50 Injects a PE file into a foreign processes 10->50 14 AddInProcess32.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 2 other signatures 14->58 17 explorer.exe 14->17 injected process8 process9 19 NETSTAT.EXE 17->19         started        signatures10 40 Modifies the context of a thread in another process (thread injection) 19->40 42 Maps a DLL or memory area into another process 19->42 44 Tries to detect virtualization through RDTSC time measurements 19->44 22 cmd.exe 1 19->22         started        process11 process12 24 conhost.exe 22->24         started       
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Status:
Malicious
First seen:
2020-11-05 09:16:10 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook agilenet rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Gathers network information
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.thesiromiel.com/kgw/
Unpacked files
SH256 hash:
c11060e98a1fd5927043effed391b0278f0b5ffcc6a0e1afe63cc9b0831d0c50
MD5 hash:
d823244f327841d52ec105b1f71529e5
SHA1 hash:
62f036e140cf97c17154d6569ccd7d45b57aac44
SH256 hash:
21f0cb5625ba519b16112be3c2f8458731b32dbf1e56efcf48ac9d234f1e8448
MD5 hash:
f1220039fced3e32ca13725edc57700b
SHA1 hash:
25ffe8fc04868d8fb2bbef9addef5fef8d0f420d
SH256 hash:
30140c3bf5874d7d184b15513016f9de1524ae95a5efe9a1cb15bad6d6936d64
MD5 hash:
03847d82611bc6461cbb99ca768828f1
SHA1 hash:
39859a3fd3326520dfd1ed10456bb227933a8871
SH256 hash:
b087a4c845235d514eb24a87f9af3c3f4171050906450d2d185e056caa4ba0f6
MD5 hash:
63ba6b8c7406b7c5af6526977517a7bf
SHA1 hash:
704e4e782aa010d23342b5bff350024a355c88d4
Detections:
win_formbook_g0 win_formbook_auto
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

0a3495d8d0161a0d6723624dc3f4e166

Formbook

Executable exe c11060e98a1fd5927043effed391b0278f0b5ffcc6a0e1afe63cc9b0831d0c50

(this sample)

  
Dropped by
MD5 0a3495d8d0161a0d6723624dc3f4e166
  
Delivery method
Distributed via e-mail attachment

Comments