MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ceff3e5d81586ce81d6e93178e30d16239827b4aefbe09a382e9f9fbf8635ebc. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ceff3e5d81586ce81d6e93178e30d16239827b4aefbe09a382e9f9fbf8635ebc
SHA3-384 hash: f49bc1804e6e504b48ad780147b8c37211d9dd5c86cc981c4a27bdc0dfbd889eb964610ed58603ffea29e480512f2943
SHA1 hash: da7d617c45b46e9f34bce882f45bdd4f09758851
MD5 hash: 56e8ed33ded34d6608b58be999149426
humanhash: avocado-wyoming-kilo-bacon
File name:Payment Slip-pdf-scan-copy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:851'968 bytes
First seen:2022-01-21 20:24:33 UTC
Last seen:2022-01-21 22:06:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:YfLpR8nTFBpQas/tYotYl0zjayvxrgSH/jD5q6+i9vYFHQpEnhT6qy41AtpNSF6D:GOBpQawJC0339pHA6+i9vYFw
Threatray 10'650 similar samples on MalwareBazaar
TLSH T1900508AD325071EFC867C572CEA81C64EB61747A971B8207A01311ADEE4DA97DF242F3
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
363
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Slip-pdf-scan-copy.exe
Verdict:
Malicious activity
Analysis date:
2022-01-22 03:16:32 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/644c6fb3-8abe-4dfe-ad28-8e1c4b59dc16

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/221570/
Detection(s):
SecuriteInfo.com.Artemis56E8ED33DED3.15568.2953.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching cmd.exe command interpreter
Searching for the window
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
ftp.exe obfuscated packed remote.exe
Link:
https://www.filescan.io/uploads/61eb16a3d32385db631710ad/reports/4ff09378-f655-403a-af6d-cbb74f6b6576/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e5988698-a388-4ab2-8f53-f5e693586a55
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/925479
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 557957 Sample: Payment Slip-pdf-scan-copy.exe Startdate: 21/01/2022 Architecture: WINDOWS Score: 100 44 www.dental-implants-us-prices.site 2->44 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 16 other signatures 2->58 10 Payment Slip-pdf-scan-copy.exe 7 2->10         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\VubhDcz.exe, PE32 10->36 dropped 38 C:\Users\user\...\VubhDcz.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmp730B.tmp, XML 10->40 dropped 42 C:\...\Payment Slip-pdf-scan-copy.exe.log, ASCII 10->42 dropped 62 Adds a directory exclusion to Windows Defender 10->62 14 Payment Slip-pdf-scan-copy.exe 10->14         started        17 schtasks.exe 1 10->17         started        19 powershell.exe 24 10->19         started        signatures6 process7 signatures8 72 Modifies the context of a thread in another process (thread injection) 14->72 74 Maps a DLL or memory area into another process 14->74 76 Sample uses process hollowing technique 14->76 78 Queues an APC in another process (thread injection) 14->78 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process9 dnsIp10 46 oncehua.com 192.0.78.25, 49814, 80 AUTOMATTICUS United States 21->46 48 www.tradeonlink.com 21->48 50 2 other IPs or domains 21->50 60 System process connects to network (likely due to code injection or exploit) 21->60 29 control.exe 21->29         started        32 conhost.exe 25->32         started        signatures11 process12 signatures13 64 Self deletion via cmd delete 29->64 66 Modifies the context of a thread in another process (thread injection) 29->66 68 Maps a DLL or memory area into another process 29->68 70 Tries to detect virtualization through RDTSC time measurements 29->70 34 cmd.exe 1 29->34         started        process14
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ceff3e5d81586ce81d6e93178e30d16239827b4aefbe09a382e9f9fbf8635ebc/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-01-21 17:46:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z37t4xmblbwoqhlosmly4mgrmi4ye62k567ati4c5h47x6ddl26a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
123ff9f9a3f12261b2f1b201cf6c0c009b94ccab53d22f414113dc926f9eef63
Formbook
2e6c1e04f6f08de897e180ebf20a7ee0c5dc54e1c4041580386e24f8fbf67658
Formbook
3436cc5fe025669ba4a7637cb89610951772a32773536ac0302cd43653d7348a
Formbook
6403d40c99b5036c9410e11c11872bdceb1955da70a17bdb979cac381d09cc74
Formbook
73c029fbd27d0c281ac91d030160bd9ba859ab57db73b5fd7011f470ab90fc8e
Formbook
86d9f290badc30732592c1af4705f3dedb1516cf25a4ec01a44b64fad834c718
Formbook
942196f0ca8e1253e7dd381b1855e4b56b8874a2d5def9d472507ddaf306ac86
Formbook
a3c1b0817789d0b691bcbfa175958d2b24ad98020ba776c11aadde1d89a964ba
Formbook
cd3932d4db9fcac1b45dec936ab8e2b4e0fa3f5fc58abf418887962931000807
Formbook
+ 10'640 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m17y rat spyware stealer trojan
Link:
https://tria.ge/reports/220121-y7ajbabac9/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
ab470fd714fc34133c14152b089ccf3ab67b30bd4b4b2f43641988dae8024d3c
MD5 hash:
4d770b2150ee0e4b34444f7c96e8f33c
SHA1 hash:
1cec212039c7d3758cf562ec504927da36ace1b9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/89f021f9-7cbe-4697-a116-0937c9f1ebc9/
Parent samples :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 hash:
31283b5fa76b05f4eb831312abcbc91eae46b8d1c7fec3c333f2f489b2db93e8
MD5 hash:
830acd01903c80651e0408f405ce7545
SHA1 hash:
8aeb8ed561752b31b14271b8f5ab23bf57258182
Link:
https://www.unpac.me/results/89f021f9-7cbe-4697-a116-0937c9f1ebc9/
SH256 hash:
b094430d82ea5b31510b25ffadd0810ebb8b17094319fd29e1968f93b2319cd3
MD5 hash:
ed3630f32582fef7eb4dd7a306beffd3
SHA1 hash:
87d6bb24ba7be0680d0056985af0cfcc8987bc6e
Link:
https://www.unpac.me/results/89f021f9-7cbe-4697-a116-0937c9f1ebc9/
SH256 hash:
ceff3e5d81586ce81d6e93178e30d16239827b4aefbe09a382e9f9fbf8635ebc
MD5 hash:
56e8ed33ded34d6608b58be999149426
SHA1 hash:
da7d617c45b46e9f34bce882f45bdd4f09758851
Link:
https://www.unpac.me/results/89f021f9-7cbe-4697-a116-0937c9f1ebc9/
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/ceff3e5d81586ce81d6e93178e30d16239827b4aefbe09a382e9f9fbf8635ebc

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 ceff3e5d81586ce81d6e93178e30d16239827b4aefbe09a382e9f9fbf8635ebc

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/221570/

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