MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 691e25f141a0389dec22a7f9027a57ff7242cd2918f525e3c22e81c863f803c9. 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: 691e25f141a0389dec22a7f9027a57ff7242cd2918f525e3c22e81c863f803c9
SHA3-384 hash: 6b66a89bdfeb27a3428fcf81dc6585beb02a72c440a60bba4a0fa38a5874fb32615818f93132c84dcbd9f00d21e978bb
SHA1 hash: eca4d2fef6edb44aa62c45fa2bb561fc91ba8746
MD5 hash: a0851a14a5b4092c43426c2294fa6a28
humanhash: uniform-equal-zulu-white
File name:a0851a14a5b4092c43426c2294fa6a28.exe
Download: download sample
Signature Formbook
File size:598'016 bytes
First seen:2020-10-06 17:49:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:EJNCL8BbGTgqoKJI7thqxkQaMvlgwMlVqprT:eNCCbvVLeaugwMlVqp
Threatray 2'358 similar samples on MalwareBazaar
TLSH 09D4011923B8DB10D1BD673A6420511137F0A807E732F28DFEA971ADB973B84CE61796
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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)
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: 293999 Sample: avwQjHytec.exe Startdate: 06/10/2020 Architecture: WINDOWS Score: 100 36 www.qyshuidian.com 2->36 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected AntiVM_3 2->44 46 3 other signatures 2->46 11 avwQjHytec.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\avwQjHytec.exe.log, ASCII 11->28 dropped 14 RegSvcs.exe 11->14         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Tries to detect virtualization through RDTSC time measurements 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 worldnaruko.com 162.241.101.10, 49739, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 www.xtc-host.com 209.99.17.71, 49740, 80 PUBLIC-DOMAIN-REGISTRYUS United States 17->32 34 3 other IPs or domains 17->34 38 System process connects to network (likely due to code injection or exploit) 17->38 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-06 11:40:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.tajzita.com/5gb/
Unpacked files
SH256 hash:
691e25f141a0389dec22a7f9027a57ff7242cd2918f525e3c22e81c863f803c9
MD5 hash:
a0851a14a5b4092c43426c2294fa6a28
SHA1 hash:
eca4d2fef6edb44aa62c45fa2bb561fc91ba8746
SH256 hash:
b4074ac0269573888fc1d4928d56387bab3a4c7850b2cc916a9bdb919f640409
MD5 hash:
029c467616b97db6c81af4bb752febae
SHA1 hash:
01d25004abe2316796b266bcb03e470a542a7899
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
SH256 hash:
8b1fd7aca866b64ffcd19cd9bde023c9b385e06cc40ea38f91fc85224c4f9eb3
MD5 hash:
af07976f04d47ae70656ece794d9e66e
SHA1 hash:
a3612f5674703a4725146a0a2ac54ea7a0e2889e
SH256 hash:
2767e9cc3c79e64af10dde53ef4c0c8594cb0fc2ebc9d2edf95f19b0c395903d
MD5 hash:
7718e078dcacbbd628a78c82bc9b083b
SHA1 hash:
2ffd24598da936c2cbe83e8164f252625b47cd89
Detections:
win_formbook_g0 win_formbook_auto
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 691e25f141a0389dec22a7f9027a57ff7242cd2918f525e3c22e81c863f803c9

(this sample)

  
Delivery method
Distributed via web download

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