MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c781169f80930851f2174df529d1aaba061c45fd7ef90c5059a7c513bfda3414. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: c781169f80930851f2174df529d1aaba061c45fd7ef90c5059a7c513bfda3414
SHA3-384 hash: 85f78824716d489679e75932b307d7c50e59d51d4249972cdeafdc730134b753544a71a6077f581cb65cd91fa5244e22
SHA1 hash: abf184b39c7b4d3acb7a921a34abd031791f048a
MD5 hash: 3ee4311afe3321e9c9b4c6b07ee874d5
humanhash: maryland-quebec-lima-july
File name:Scan-Copy.exe
Download: download sample
Signature Formbook
File size:353'280 bytes
First seen:2021-10-31 10:17:25 UTC
Last seen:2021-11-01 10:19:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:J3leo3r2zAIBaZDpb6t6II98yb6ff0awPYczzxqlAO26x7dAYQgTGv8qQ:lBrIBaKt6F9/GfqPYL1nT/qQ
Threatray 11'026 similar samples on MalwareBazaar
TLSH T182742321BBDC82A2CD1F13B5405404D035BF7F4FD042EF99D86F61A67922BA78663EA1
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan-Copy.exe
Verdict:
Malicious activity
Analysis date:
2021-10-31 10:26:44 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
Creating a file in the %temp% directory
Delayed writing of the file
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
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
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 signatures2 2 Behavior Graph ID: 512416 Sample: Scan-Copy.exe Startdate: 31/10/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 6 other signatures 2->42 10 Scan-Copy.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\Scan-Copy.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 Scan-Copy.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 chutedasorte.net 52.250.127.223, 49817, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 17->30 32 www.hxmgzczqdjs.com 45.204.14.226, 49819, 80 AISI-AS-APHKAISICLOUDCOMPUTINGLIMITEDHK Seychelles 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-31 09:28:16 UTC
AV detection:
20 of 44 (45.45%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ad6n rat spyware stealer suricata 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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.didimthebestkuafor.com/ad6n/
Unpacked files
SH256 hash:
cc65c77d0d68fb29f2445fc964f8cd3eea480b86c508ac20428c7e0a7241402a
MD5 hash:
e63989e5b720208027270c90b1faa66b
SHA1 hash:
3aef776c5106f57dae71c060f2166b4da4d7c8d3
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
SH256 hash:
c781169f80930851f2174df529d1aaba061c45fd7ef90c5059a7c513bfda3414
MD5 hash:
3ee4311afe3321e9c9b4c6b07ee874d5
SHA1 hash:
abf184b39c7b4d3acb7a921a34abd031791f048a
Malware family:
FormBook
Verdict:
Malicious
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_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: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:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe c781169f80930851f2174df529d1aaba061c45fd7ef90c5059a7c513bfda3414

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments