MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d067ddc4024d82db9f90413f6fb76f61552cceab8abbbf3db08bee43730470a. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments

SHA256 hash: 3d067ddc4024d82db9f90413f6fb76f61552cceab8abbbf3db08bee43730470a
SHA3-384 hash: 929953785c50a58ace9191bc1ac93799b29b5030f1cfcc83026fd732abd86c5efaa62ab519ea296033d77a330759f775
SHA1 hash: 41d1b8ff9ede02c637692b4594af1af3ab4cf39a
MD5 hash: 5297d4667baf6a516aa7d73b0178024e
humanhash: asparagus-ten-edward-seventeen
File name:Scanner_Jpeg.exe
Download: download sample
Signature Formbook
File size:433'664 bytes
First seen:2021-06-13 09:03:16 UTC
Last seen:2021-06-13 09:35:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:6P+g6bWEMawVpsoh10FZew8og6vl8FqiVhTK:6WH6EIns1Dvl8FfzK
TLSH 5494221769E2A741DD9E4EFF8DC2A0808A9DE0923987C33F1784E1501C637EED78A576
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
288
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scanner_Jpeg.exe
Verdict:
No threats detected
Analysis date:
2021-06-13 09:04:50 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 window
Launching a process
Sending a UDP request
Launching the default Windows debugger (dwwin.exe)
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
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 / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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 FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 433681 Sample: Scanner_Jpeg.exe Startdate: 13/06/2021 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 7 other signatures 2->38 8 Scanner_Jpeg.exe 3 2->8         started        12 explorer.exe 2->12         started        process3 dnsIp4 24 C:\Users\user\...\Scanner_Jpeg.exe.log, ASCII 8->24 dropped 40 Writes to foreign memory regions 8->40 42 Allocates memory in foreign processes 8->42 44 Sample uses process hollowing technique 8->44 48 2 other signatures 8->48 15 vbc.exe 8->15         started        26 www.2of237woodlandstreet.com 52.147.15.202, 49750, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->26 28 denshicustoms.com 160.153.136.3, 49747, 80 GODADDY-AMSDE United States 12->28 30 2 other IPs or domains 12->30 46 System process connects to network (likely due to code injection or exploit) 12->46 18 explorer.exe 12->18         started        file5 signatures6 process7 signatures8 50 Modifies the context of a thread in another process (thread injection) 15->50 52 Maps a DLL or memory area into another process 15->52 54 Sample uses process hollowing technique 15->54 56 Queues an APC in another process (thread injection) 15->56 58 Tries to detect virtualization through RDTSC time measurements 18->58 20 cmd.exe 1 18->20         started        process9 process10 22 conhost.exe 20->22         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2021-06-11 15:15:50 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Formbook Payload
Formbook
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
http://www.celinehair.com/e7hf/
Unpacked files
SH256 hash:
3d067ddc4024d82db9f90413f6fb76f61552cceab8abbbf3db08bee43730470a
MD5 hash:
5297d4667baf6a516aa7d73b0178024e
SHA1 hash:
41d1b8ff9ede02c637692b4594af1af3ab4cf39a
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Malspam

Formbook

Executable exe 3d067ddc4024d82db9f90413f6fb76f61552cceab8abbbf3db08bee43730470a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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