MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 543729a7f72081c00b50ebfb1ec6365925756857937766652489076767e330e0. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 543729a7f72081c00b50ebfb1ec6365925756857937766652489076767e330e0
SHA3-384 hash: 09a74397287faf44a4a114a7587cc1298a3a114c0f48675322dc3163a93f04fc2a8d36cf8464337f663ee0e888ca6751
SHA1 hash: 24589127f359bc6bbf7f0d2bf41dc7d019a16e6a
MD5 hash: c7c2611239cb42203cfe1955905f09f9
humanhash: lithium-yankee-mexico-network
File name:PO.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:517'120 bytes
First seen:2021-09-14 13:03:01 UTC
Last seen:2021-09-14 13:56:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:DEk4DbF53e0IUFLWa4+BBZdZggFdq82ht5hlQ863zmsiSGbx5D3ESsA:Sya4+BBZdZggFY8kt5UtDmszGF54A
Threatray 9'252 similar samples on MalwareBazaar
TLSH T14CB4AD243DFB5119F1B3AFB95EE4B5968E6FB6333A16E81D144103864713E82CE9073A
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO.exe
Verdict:
Malicious activity
Analysis date:
2021-09-14 13:03:31 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/9c3d1940-867e-4065-98ae-74137d95ce54

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/187817/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.10185.12524.UNOFFICIAL
Create hunting rule

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/61750f69db358dd15ed92275/reports/18d50851-c7fc-4fef-83aa-1b204e5da34a/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e2366025-7175-4866-b1d6-5bba54b54755
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/850706
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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: 483137 Sample: PO.exe Startdate: 14/09/2021 Architecture: WINDOWS Score: 100 39 www.xn--udkog0cvez259c82sa.xyz 2->39 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 13 other signatures 2->53 11 PO.exe 6 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\Roaming\tifbpj.exe, PE32 11->33 dropped 35 C:\Users\user\...\tifbpj.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp8543.tmp, XML 11->37 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 11->63 15 RegSvcs.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 2 other signatures 15->71 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 41 guncelekspres.com 192.0.78.24, 49829, 80 AUTOMATTICUS United States 20->41 43 manhattanlandscapedesign.com 184.168.131.241, 49821, 80 AS-26496-GO-DADDY-COM-LLCUS United States 20->43 45 2 other IPs or domains 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 26 colorcpl.exe 20->26         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 26->57 59 Maps a DLL or memory area into another process 26->59 61 Tries to detect virtualization through RDTSC time measurements 26->61 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/543729a7f72081c00b50ebfb1ec6365925756857937766652489076767e330e0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-14 03:48:32 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kq3stj7xeca4ac2q5p5r5rrwlesxk2cxsn3wmzjeredwoz7dgdqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
085dd3415a1c0c601af338a15905c650935e18505e6ca71bf6ece1602bba19c3
Formbook
27db806a5b1919f930f40810624889f20bcafaa485c89d4ca522fe6335dfea1f
Formbook
3f3c53a643260b21d81b37581469b76fd19edc2740ee31aa983f81b2c65e74a5
Formbook
475032f04ff405e24ecc5e2a93fb9c0c5fc037cc59e06b1772a8e60bc2dcadd1
Formbook
5a153e3107280c9674c3dbfb90c1d328a1d067b87beee49a169e5a10273065f5
Formbook
a532458e37a48eb5222790c56e237b35a6bcd75268527e466890123e4c4778e7
Formbook
d933001638f194baed0596efe53af5dc534ad6f5177aa8aacf2c25188fbdd2f4
Formbook
e32906edfa8d988075e6d062f5ea60f7550595eeef8f1d2177d387dc51f67a5c
Formbook
+ 9'242 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:odse rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210914-qac9yaagbn/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.guncelekspres.com/odse/
Unpacked files
SH256 hash:
f65d38f39df1accd6db2e1a2adc794a8ef34b7f1a9f15c514d766b2d6d4614f0
MD5 hash:
c20fbf2573012e31b1414040e8d42add
SHA1 hash:
cb6024805866ece5ed1bb3d70565772393f4749b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/865eaa73-aad1-4282-bc93-a9bcc14ef627/
Parent samples :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 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
Link:
https://www.unpac.me/results/865eaa73-aad1-4282-bc93-a9bcc14ef627/
SH256 hash:
cb9bf6491fed4c3239600073192d004145de62714d0d7c0ba2969a42d0762362
MD5 hash:
e256ee4cf28aa024f8a473fc26fda38f
SHA1 hash:
53acf1576a7882b415bde72ff425dab82f82ab0f
Link:
https://www.unpac.me/results/865eaa73-aad1-4282-bc93-a9bcc14ef627/
SH256 hash:
543729a7f72081c00b50ebfb1ec6365925756857937766652489076767e330e0
MD5 hash:
c7c2611239cb42203cfe1955905f09f9
SHA1 hash:
24589127f359bc6bbf7f0d2bf41dc7d019a16e6a
Link:
https://www.unpac.me/results/865eaa73-aad1-4282-bc93-a9bcc14ef627/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/543729a7f720/report/overview.html
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/543729a7f72081c00b50ebfb1ec6365925756857937766652489076767e330e0

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
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 543729a7f72081c00b50ebfb1ec6365925756857937766652489076767e330e0

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/187817/

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