MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98b0ffba12ebffdb7f0ebeaa1a9c402098c1b3fc6d7b9a68ece1ec73855abbd6. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 98b0ffba12ebffdb7f0ebeaa1a9c402098c1b3fc6d7b9a68ece1ec73855abbd6
SHA3-384 hash: 8934ea9b772eee795474587e08593520f1a9ce6d67df5fcecfd3d4ec500530421447e79fc0a44ab214d08ddee11a9dad
SHA1 hash: 174300da66537db51574d6f267c338bd7f7e9c95
MD5 hash: ec7a05737f54f51807b3488d7aad5fb6
humanhash: pizza-march-west-cardinal
File name:PO_20210310.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:984'064 bytes
First seen:2021-03-10 08:51:26 UTC
Last seen:2021-03-10 10:46:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:N74jYkAd0WajYkAEjYkAfPHTPojLhKaIDy7F/RYVSk0cut9tjYkAEjYkAvH6:h0i0jnqPH8LhKvDy7lRqyznN
Threatray 4'132 similar samples on MalwareBazaar
TLSH 5C25CF2312449B51E0392FB8642025A047F7BFC9BB2DF80EBC76355E66729C3C77A616
Reporter Anonymous
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_20210310.exe
Verdict:
Malicious activity
Analysis date:
2021-03-10 08:43:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3731e061-1f2d-428e-8a9f-d4b707039663

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/123521/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.569.24370.22501.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/634057
Signature
.NET source code contains potential unpacker
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
Sigma detected: Scheduled temp file as task from temp location
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 366000 Sample: PO_20210310.exe Startdate: 10/03/2021 Architecture: WINDOWS Score: 100 41 www.iishon17.com 2->41 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 12 other signatures 2->55 11 PO_20210310.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Roaming\yvIbDld.exe, PE32 11->33 dropped 35 C:\Users\user\...\yvIbDld.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp754F.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\...\PO_20210310.exe.log, ASCII 11->39 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 15 PO_20210310.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 43 www.furniturepartsrif.xyz 172.67.215.201, 49728, 80 CLOUDFLARENETUS United States 20->43 45 www.outsidemirror.com 168.206.56.51, 80 CLAYERLIMITED-AS-APClayerLimitedHK South Africa 20->45 47 www.apk-week.com 20->47 57 System process connects to network (likely due to code injection or exploit) 20->57 26 WWAHost.exe 20->26         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 63 Tries to detect virtualization through RDTSC time measurements 26->63 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-10 06:01:54 UTC
AV detection:
6 of 45 (13.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tcyp7oqs5p75w7yox2vbvhcaecmmdm74nv5zu2hm4hwhhbk2xpla._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
1e107f01485dd3c413656b5e2d2fdb79166847cd8b3e5f6dc0bcf4895d530c39
Formbook
23d9710299335963a2cf7b39d1cbbd450b71330fd12f07e4f208a711fefc2b81
Formbook
545d2a220b69923954de8e8040be2c9b5e75ba757545182a077388981d0a6950
Formbook
6aca638f8c9405c4c02bb3f2b5f5e5bc9d5596f8c68a57fb99347031415b584b
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
94381856ea9a44b74ec21f962c82602639c5ac6c19e4e3c2082a1d2682303e84
Formbook
d0a9b26d679362f6fc67a091c445ac8344a70d16eb3219ace55cca8f4132ee43
Formbook
d8e0edf1cca3b6edefcd830e233131c593997b5bd4454891dc1b70614862f718
Formbook
fce92bfceb412418320ffab7f7736fb84fdd8e5d857771ce9674bcffa275c4b9
Formbook
+ 4'122 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210310-ykv9ktls52/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.iishon17.com/bnk/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/4ef99ccf-1cec-49db-be11-69f44c8291a1/
SH256 hash:
98b0ffba12ebffdb7f0ebeaa1a9c402098c1b3fc6d7b9a68ece1ec73855abbd6
MD5 hash:
ec7a05737f54f51807b3488d7aad5fb6
SHA1 hash:
174300da66537db51574d6f267c338bd7f7e9c95
Link:
https://www.unpac.me/results/4ef99ccf-1cec-49db-be11-69f44c8291a1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/98b0ffba12ebffdb7f0ebeaa1a9c402098c1b3fc6d7b9a68ece1ec73855abbd6

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/123521/

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