MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73a254fe8cce08216fdd98cfa4c0072ee082d3aae0942b74e6fc0eec2df9df83. 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 3 File information Comments
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SHA256 hash: 73a254fe8cce08216fdd98cfa4c0072ee082d3aae0942b74e6fc0eec2df9df83
SHA3-384 hash: dcee1fd233977ec2e7b87aeb2d57c4893cdbd378cbfa1f677a23a39b502f7e76c25ca330ee5ef78f3997e570b50b29a2
SHA1 hash: 6d709ede87202dd695e94aab7f138b286ae6a3d9
MD5 hash: 7b8b50e95f446f82a53ffec2afa8bb24
humanhash: bacon-oscar-december-kentucky
File name:PO #20004235.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:361'472 bytes
First seen:2021-11-03 15:52:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 6144:/UVRMZsG+T6AV+TF99+yD7h0aIbIFDhBjEoLPHE2ySeJNlTIPON:/8RRG/AVgb9+0IUl42ySe19
Threatray 11'146 similar samples on MalwareBazaar
TLSH T1087412A17BB81763C93D03FA207915201FF5E2675013E32DAECA79EA53A9F415610EE3
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO #20004235.exe
Verdict:
Malicious activity
Analysis date:
2021-11-03 16:23:02 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/626832c2-eeee-490f-aba5-453c99fa15c4

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/201909/
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
Link:
https://www.filescan.io/uploads/6182b05f9982ff7c3f7db051/reports/7837ec94-0ea3-49be-91e7-449adc8d3626/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cd8d8d5a-07b6-4123-81a9-5344d0762695
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/882393
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 514826 Sample: PO #20004235.exe Startdate: 03/11/2021 Architecture: WINDOWS Score: 100 33 www.margranmarmoraria.online 2->33 35 margranmarmoraria.online 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 11 PO #20004235.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\PO #20004235.exe.log, ASCII 11->31 dropped 61 Injects a PE file into a foreign processes 11->61 15 PO #20004235.exe 11->15         started        18 PO #20004235.exe 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected process9 dnsIp10 37 www.safeissueg.com 202.165.66.108, 49780, 80 VPIS-APVADSManagedBusinessInternetServiceProviderMY Australia 20->37 39 compras3x1.net 15.197.142.173, 49824, 80 TANDEMUS United States 20->39 41 8 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 cmmon32.exe 20->24         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 24->53 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/73a254fe8cce08216fdd98cfa4c0072ee082d3aae0942b74e6fc0eec2df9df83/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-03 15:05:07 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oorfj7umzyecc365tdh2jqahf3qifu5k4ckcw5hg7qhoylpz36bq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
014fdffc1561ee767b1189c5b496f587d16ba7d394ca9d26d2e7d6f8541ebc92
Formbook
18e91cbaa2d04fa969e97e947ccd011d494f68eb6375b067f0342a7765fb3119
Formbook
26fff5fc343d24c23cbce78800c7e687aa263fa78141490d970f7bb9bb7a9965
Formbook
35204f1850b1439ef9a8fd958d6c3045edae69378aa3593021795d0600fc5a01
Formbook
516601b7a328bcee918e8c52e46f71b39437045489bdaaf90136c9f899197bc8
Formbook
88c841869430e07bb9b80e52d61d4f013c6bd8753b06807b411a428f09669c33
Formbook
94aa24f8b40073f3474809c5e7b5c0bb808a88a65810d92ee231baeb8efc0cb3
Formbook
da0e2504009a426b799d9135979188e2c4533f69c2e981650afc51d5e8e320c2
Formbook
+ 11'136 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:efa8 loader rat
Link:
https://tria.ge/reports/211103-tbmfsaebe9/
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.viewba.store/efa8/
Unpacked files
SH256 hash:
a30108e4d0beee278d169c23cf40880184a7187ded6a05d7ca1e2dadeeebefad
MD5 hash:
ff93bb1edfda4ec718449ce316669366
SHA1 hash:
79bde73fe8ec7a579ea77eef2f1698e6c19ba34b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c08627e3-cf5d-47d9-931d-665123f75851/
Parent samples :
26fff5fc343d24c23cbce78800c7e687aa263fa78141490d970f7bb9bb7a9965
73a254fe8cce08216fdd98cfa4c0072ee082d3aae0942b74e6fc0eec2df9df83
7b9161582fc319cf5a312d518fcf6350dd75cd17f640def37eec5302a4d590bf
SH256 hash:
110a28b39b1e0840684110fa77a580effce50755cb865ce9df566f1fff308d05
MD5 hash:
17d644e87b9923fb2a0ed51e7594d82f
SHA1 hash:
863600e4908ebd4ed26285e210d983d04399e600
Link:
https://www.unpac.me/results/c08627e3-cf5d-47d9-931d-665123f75851/
SH256 hash:
9265a553560c8ecee5620d20508e3d4f075a128ccf8650a31559b2560969c59c
MD5 hash:
d3d8233b8dd7590baa4147d522995a88
SHA1 hash:
2d85c993a94f256e102cc2fedd41d1b2fe522ab2
Link:
https://www.unpac.me/results/c08627e3-cf5d-47d9-931d-665123f75851/
SH256 hash:
73a254fe8cce08216fdd98cfa4c0072ee082d3aae0942b74e6fc0eec2df9df83
MD5 hash:
7b8b50e95f446f82a53ffec2afa8bb24
SHA1 hash:
6d709ede87202dd695e94aab7f138b286ae6a3d9
Link:
https://www.unpac.me/results/c08627e3-cf5d-47d9-931d-665123f75851/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/73a254fe8cce/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/73a254fe8cce08216fdd98cfa4c0072ee082d3aae0942b74e6fc0eec2df9df83

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: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 73a254fe8cce08216fdd98cfa4c0072ee082d3aae0942b74e6fc0eec2df9df83

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/201909/

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