MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4738e611922161d38399f61ebe6c8332bbf3e54f1d23475c0bf0b476d05a1df. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: f4738e611922161d38399f61ebe6c8332bbf3e54f1d23475c0bf0b476d05a1df
SHA3-384 hash: 2295285d28085295cf377f5f315bbeb83b40265f2697dac5637890d99beb574fdcab3d883caa686cdaafae7135eb54ae
SHA1 hash: 3e7aec768e337cacbd62f0d3e453bc2628b9c744
MD5 hash: 810d681780f5662be75399f9dd30993a
humanhash: hamper-arkansas-nineteen-charlie
File name:810d681780f5662be75399f9dd30993a.exe
Download: download sample
Signature Formbook
File size:1'600'512 bytes
First seen:2021-03-09 15:12:04 UTC
Last seen:2021-03-09 16:05:50 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:cLIxkAbUN62uv6626226u7dzAOOmumOmumhBhuHC10WqYXJ01RKmQnRX+GskhowX:c8MA10nYX6RGnRX+Jk+xbCElL+IOcDU
Threatray 4'048 similar samples on MalwareBazaar
TLSH F375AE221344EF5EE13CC7786021AC2853FAAA01F715EF1BBDD865D269F6F018767A12
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
P.O71540.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-09 12:22:37 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 365490 Sample: 0HCan2RjnP.exe Startdate: 09/03/2021 Architecture: WINDOWS Score: 100 31 www.seebeec.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 11 0HCan2RjnP.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\0HCan2RjnP.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 15 0HCan2RjnP.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 heartandcrowncloset.com 160.153.136.3, 49716, 80 GODADDY-AMSDE United States 18->33 35 www.vincemceveety.com 18->35 37 3 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 msiexec.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-09 14:25:00 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.disciplinemonkey.com/njo/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
SH256 hash:
f4738e611922161d38399f61ebe6c8332bbf3e54f1d23475c0bf0b476d05a1df
MD5 hash:
810d681780f5662be75399f9dd30993a
SHA1 hash:
3e7aec768e337cacbd62f0d3e453bc2628b9c744
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.

Web download

Formbook

Executable exe f4738e611922161d38399f61ebe6c8332bbf3e54f1d23475c0bf0b476d05a1df

(this sample)

  
Delivery method
Distributed via web download

Comments