MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c797f8b23257f74c2dd577dad2c2c6cdab90dfa57a57f2f89a8a54036c6852c. 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: 14


Intelligence 14 IOCs YARA File information Comments

SHA256 hash: 2c797f8b23257f74c2dd577dad2c2c6cdab90dfa57a57f2f89a8a54036c6852c
SHA3-384 hash: 786bc26210cb71c16dcb73cfdefa34d610ecba80f140bc449064766ff2a3ca14aed11618b6c8eb59031a774dd4aacffc
SHA1 hash: 82bbdf05332c2e5f21cac96edfb537f6b0689bd0
MD5 hash: d1377340ca8ccd0efc57775d353867e9
humanhash: paris-white-early-nitrogen
File name:SALARY_RECEIPT.exe
Download: download sample
Signature Formbook
File size:409'439 bytes
First seen:2021-12-01 05:27:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:hPPPNg+O+2MoemmyzPV78QtJCU2DkiQ6I:hPPPmt+/0mg18QbOZQ6I
Threatray 11'967 similar samples on MalwareBazaar
TLSH T13C94D082E1909DB1F8751FB1683B982311973D68B4B02D0EF359BA593B731D2D32793A
File icon (PE):PE icon
dhash icon 444122a4a4a4a471 (2 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SALARY_RECEIPT.exe
Verdict:
Malicious activity
Analysis date:
2021-12-01 05:29:07 UTC
Tags:
installer trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  0/10
Tags:
n/a
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
overlay packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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 domain / URL
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
Self deletion via cmd delete
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 531643 Sample: SALARY_RECEIPT.exe Startdate: 01/12/2021 Architecture: WINDOWS Score: 100 33 www.uhcecetr.xyz 2->33 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 4 other signatures 2->41 11 SALARY_RECEIPT.exe 17 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\...\uyxx.dll, PE32 11->31 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 SALARY_RECEIPT.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 process10 20 chkdsk.exe 18->20         started        signatures11 43 Self deletion via cmd delete 20->43 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        25 explorer.exe 2 148 20->25         started        27 explorer.exe 1 123 20->27         started        process12 process13 29 conhost.exe 23->29         started       
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2021-12-01 05:28:11 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b3n1 rat spyware stealer suricata trojan
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.teslabotnews.com/b3n1/
Unpacked files
SH256 hash:
2c797f8b23257f74c2dd577dad2c2c6cdab90dfa57a57f2f89a8a54036c6852c
MD5 hash:
d1377340ca8ccd0efc57775d353867e9
SHA1 hash:
82bbdf05332c2e5f21cac96edfb537f6b0689bd0
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 2c797f8b23257f74c2dd577dad2c2c6cdab90dfa57a57f2f89a8a54036c6852c

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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