MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20fd96b00deec9d95d0e251aa4c6885f85af415f8e776716399b4280ae8128f3. 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 4 File information Comments

SHA256 hash: 20fd96b00deec9d95d0e251aa4c6885f85af415f8e776716399b4280ae8128f3
SHA3-384 hash: 1f3b82aa091ea3640232466414c18ce76609d10016b9b1da0e1ae1e3c83b3b20a135c1621bb7d7e660e96d37bd460ab2
SHA1 hash: a19b2e80a240452e4fe251a9299bd5d30b66d709
MD5 hash: 3bd9315fa824d7f8351d858ca5c12629
humanhash: arizona-tango-romeo-mountain
File name:Confirmation de commande # 4905.exe
Download: download sample
Signature Formbook
File size:496'128 bytes
First seen:2021-10-05 12:34:10 UTC
Last seen:2021-10-06 00:33:17 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 6144:Gbx0cXjCfjnhWQ+3HwOcc0WXJ4+5yk6kPFlom3iBX94AcGFCKrvvScZTHvxqVCHR:QOFPocc0WX64kmiqAcGXFZbAAt
Threatray 9'783 similar samples on MalwareBazaar
TLSH T1BDB4C0A433AFAF45ED348FF4181C919297B67C3B5179D36A0ED1B0EA2932B700A50B57
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Confirmation de commande # 4905.exe
Verdict:
Malicious activity
Analysis date:
2021-10-05 15:37:15 UTC
Tags:
trojan formbook stealer

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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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: 497197 Sample: Confirmation de commande # ... Startdate: 05/10/2021 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 Confirmation de commande # 4905.exe 3 2->10         started        process3 file4 28 Confirmation de commande # 4905.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 Confirmation de commande # 4905.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 globleitsolutions.com 208.91.199.230, 49814, 80 PUBLIC-DOMAIN-REGISTRYUS United States 17->30 32 www.smp2kroya.com 17->32 34 2 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:
2021-10-05 12:35:06 UTC
AV detection:
22 of 45 (48.89%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s3dy rat spyware stealer trojan
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.livelifevibrantcourse.com/s3dy/
Unpacked files
SH256 hash:
b1921e28449d0d748cf02cf79f26ef1de0b6d2e971affc10acf41156fb52a706
MD5 hash:
d82f9422f170b7d27c3adb4f5c7b4e3c
SHA1 hash:
b91122328886160e014b732b0c39468ba502df53
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
fcf4e7bbfc11e7f6fb16a2db1d9aa4cfd67066f611e66bf4324e9d5a50d49c71
MD5 hash:
caf356ede1e595ee930153f97a8d8657
SHA1 hash:
e5add1a46cc0cce236b973e21c037d6e4114ff57
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
SH256 hash:
20fd96b00deec9d95d0e251aa4c6885f85af415f8e776716399b4280ae8128f3
MD5 hash:
3bd9315fa824d7f8351d858ca5c12629
SHA1 hash:
a19b2e80a240452e4fe251a9299bd5d30b66d709
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_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

File information


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

Malspam

Formbook

Executable exe 20fd96b00deec9d95d0e251aa4c6885f85af415f8e776716399b4280ae8128f3

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments