MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f3c53a643260b21d81b37581469b76fd19edc2740ee31aa983f81b2c65e74a5. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f3c53a643260b21d81b37581469b76fd19edc2740ee31aa983f81b2c65e74a5
SHA3-384 hash: 4de7cac2109858cd44efc5c207c8e83321506c726bd2a9bf60b56388c0ba937db6ca6dde04747fbcb25f6284dfda9072
SHA1 hash: f7ae6915300313ac67c27e132ba9bdd329af21c9
MD5 hash: 78d655e5758c6a60e881b5725e551710
humanhash: river-arkansas-maine-texas
File name:payment order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:548'352 bytes
First seen:2021-09-01 04:59:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:CB+KUJQh2rueZoPpTN2gY2rO89WlUVF5knJ2ZiD+NJyk:KjMrPZGHY2h9WGFWsZ
Threatray 8'819 similar samples on MalwareBazaar
TLSH T14CC4E04D7254B29FC92BC972CAA42C24A721B47B530FE303945716AD9E0E69BCF151F3
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment order.exe
Verdict:
Malicious activity
Analysis date:
2021-09-01 05:01:20 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/976703d1-bc1c-404b-8640-11b01ce0250c

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/184344/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.27816.5096.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Deleting a recently created file
Launching a process
Creating a process with a hidden window
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8213acd2-ee20-491a-95a7-322d3983ca40
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/843087
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: Suspicious Process Start Without DLL
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 475517 Sample: payment order.exe Startdate: 01/09/2021 Architecture: WINDOWS Score: 100 41 www.guncelekspres.com 2->41 43 guncelekspres.com 2->43 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 12 other signatures 2->55 9 payment order.exe 7 2->9         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\dnZazuUEOo.exe, PE32 9->33 dropped 35 C:\Users\...\dnZazuUEOo.exe:Zone.Identifier, ASCII 9->35 dropped 37 C:\Users\user\AppData\Local\...\tmpE42A.tmp, XML 9->37 dropped 39 C:\Users\user\...\payment order.exe.log, ASCII 9->39 dropped 59 Writes to foreign memory regions 9->59 61 Injects a PE file into a foreign processes 9->61 13 RegSvcs.exe 9->13         started        16 RegSvcs.exe 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 13->69 71 Maps a DLL or memory area into another process 13->71 73 Sample uses process hollowing technique 13->73 75 Queues an APC in another process (thread injection) 13->75 20 explorer.exe 13->20 injected 77 Tries to detect virtualization through RDTSC time measurements 16->77 24 cmd.exe 1 18->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 45 www.dac71047.com 209.99.64.51, 49713, 80 CONFLUENCE-NETWORK-INCVG United States 20->45 47 www.lollydaisy.com 47.91.170.222, 49714, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 20->47 57 System process connects to network (likely due to code injection or exploit) 20->57 28 cmstp.exe 20->28         started        31 conhost.exe 24->31         started        signatures11 process12 signatures13 63 Modifies the context of a thread in another process (thread injection) 28->63 65 Maps a DLL or memory area into another process 28->65 67 Tries to detect virtualization through RDTSC time measurements 28->67
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3f3c53a643260b21d81b37581469b76fd19edc2740ee31aa983f81b2c65e74a5/
Threat name:
Win32.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-09-01 02:14:59 UTC
AV detection:
11 of 43 (25.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h46fhjsdeyfsdwa3g5mbi2nxn7iz5xbhidxddkuyh6a3frs6ossq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
085dd3415a1c0c601af338a15905c650935e18505e6ca71bf6ece1602bba19c3
Formbook
0f600e10b529dc3af8dabf5aa567598fe6a0c5a373d4f20e9fba390735257bbe
Formbook
27db806a5b1919f930f40810624889f20bcafaa485c89d4ca522fe6335dfea1f
Formbook
56368dfb68347ec22ba4d8d1d16e1acc9dbf37acf30803ef92f75f27f0a6a6a5
Formbook
8d1770889689f693a9029f4f36a590297a38ef96cf606fa0b9cfd6a981b547d0
Formbook
a532458e37a48eb5222790c56e237b35a6bcd75268527e466890123e4c4778e7
Formbook
b7645d8903647226e9271ca3bbad5a8bd73c622c0de9b9305f97d0fc65904134
Formbook
c991bf983458f62d5c6fe6dd695b5d7e13a07a35228cd0b677afd6b6da6a5e1a
Formbook
f5c01bcb12e33b32123e1345f1320bc5c4137cb26df006a6ec8a508fdaed4016
Formbook
+ 8'809 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:odse rat spyware stealer trojan
Link:
https://tria.ge/reports/210901-11vqxjmyla/
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
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/66fcdcd7-efed-467c-af86-d9ea348ce943/
Parent samples :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 hash:
758763d712c27c53a8b85de07582c9a250638b557e8dcfbae7c278f810241ac1
MD5 hash:
8b7d29dc138f646510a835ffc76e6796
SHA1 hash:
bff289517dc53acc9e172e3445fc87d82f8ee351
Link:
https://www.unpac.me/results/66fcdcd7-efed-467c-af86-d9ea348ce943/
SH256 hash:
46558e547e071ef3bfbef4fb84cae9e636816703a46bebbdaa1c630477f4dbd1
MD5 hash:
cbdf4e54bd5682c45be7a62cb85faf7e
SHA1 hash:
01c3456f5c28ed01d6a0d5fda5e4d7a63bb35c92
Link:
https://www.unpac.me/results/66fcdcd7-efed-467c-af86-d9ea348ce943/
SH256 hash:
3f3c53a643260b21d81b37581469b76fd19edc2740ee31aa983f81b2c65e74a5
MD5 hash:
78d655e5758c6a60e881b5725e551710
SHA1 hash:
f7ae6915300313ac67c27e132ba9bdd329af21c9
Link:
https://www.unpac.me/results/66fcdcd7-efed-467c-af86-d9ea348ce943/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3f3c53a64326/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/3f3c53a643260b21d81b37581469b76fd19edc2740ee31aa983f81b2c65e74a5

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 3f3c53a643260b21d81b37581469b76fd19edc2740ee31aa983f81b2c65e74a5

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/184344/

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