MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
SHA3-384 hash: 5a19149dad1607f4e7042aabc8ab0f94c6305b58256d0c62c6ba058a374b52ddcaf2ea0796e9716cb1747b0a53212e88
SHA1 hash: 4cc3c1efd120b0e0889389f90c93738b16dfb8a0
MD5 hash: 3cf8157c0d82e2e0bba68515d5047ee3
humanhash: pennsylvania-sweet-sierra-west
File name:3cf8157c0d82e2e0bba68515d5047ee3.exe
Download: download sample
Signature Formbook
File size:831'488 bytes
First seen:2021-03-06 09:19:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:w2biebQ27rLZ8IiEKD6/eNyb6pfVL0ENaj1x3Hy1hnhJ+PBR:9vLZ/KDLybQfVL0ENEdSz+R
Threatray 4'035 similar samples on MalwareBazaar
TLSH 5405B010FF96B125E16A6AF5B990F4E246EEBD13F70D831D24C332CA037D963A9D1225
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
287
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO342823.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-06 05:50:21 UTC
Tags:
encrypted trojan 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 custom TCP request
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
.NET source code contains very large strings
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
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: 364353 Sample: xNMNzWxq6v.exe Startdate: 07/03/2021 Architecture: WINDOWS Score: 100 33 www.lebootenews.com 2->33 35 lebootenews.com 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 7 other signatures 2->49 11 xNMNzWxq6v.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\xNMNzWxq6v.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 xNMNzWxq6v.exe 11->15         started        18 xNMNzWxq6v.exe 11->18         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 15->20 injected process9 dnsIp10 37 www.villas-istra.com 154.221.59.211, 49733, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 20->37 39 www.canvas-utrecht.com 165.160.15.20, 49739, 80 CSCUS United States 20->39 41 2 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 WWAHost.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-05 20:29:30 UTC
AV detection:
19 of 47 (40.43%)
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.peiyin.love/mjs/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
SH256 hash:
6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
MD5 hash:
3cf8157c0d82e2e0bba68515d5047ee3
SHA1 hash:
4cc3c1efd120b0e0889389f90c93738b16dfb8a0
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 6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6

(this sample)

  
Delivery method
Distributed via web download

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