MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0366673a2a85919a9419b85f9f552a2c9713edda8319dc9046f271ee024816ad. 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 3 File information Comments

SHA256 hash: 0366673a2a85919a9419b85f9f552a2c9713edda8319dc9046f271ee024816ad
SHA3-384 hash: 1e3f58be2e798368780fef51c2fd5903dd76057d729120245f4ffb9c623f023679cd4ea292b7bc568a1d3666c9683184
SHA1 hash: 0a5b49e3176fa0e2f4623426f6d3d47757a0f742
MD5 hash: ba67c997b2e0d90d44e889e3629300c9
humanhash: nineteen-oranges-ink-ten
File name:ba67c997b2e0d90d44e889e3629300c9.exe
Download: download sample
Signature Formbook
File size:718'848 bytes
First seen:2021-10-25 07:28:56 UTC
Last seen:Never
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:J2nwX3+cFQaNV9aYyDvlyzghySe2UkVreFlYHqBA2RfQOCb0IjyLt:J0k3LQaNV9xyDNyzC9PUYH2n
Threatray 10'968 similar samples on MalwareBazaar
TLSH T100E45CBC3554BCDFC91B8F3545545C64962268A7034BF30370A729DA8FAEBD68E402EB
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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
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
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 508466 Sample: rS4ucLJAzf.exe Startdate: 25/10/2021 Architecture: WINDOWS Score: 100 31 www.libertyquartermaster.com 2->31 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 7 other signatures 2->43 11 rS4ucLJAzf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\rS4ucLJAzf.exe.log, ASCII 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 rS4ucLJAzf.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 www.laserobsession.com 18->33 35 ext-cust.squarespace.com 198.185.159.144, 49792, 80 SQUARESPACEUS United States 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 msiexec.exe 18->22         started        signatures11 process12 signatures13 47 Self deletion via cmd delete 22->47 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 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-23 06:45:05 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:kzk9 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.yourmajordomo.com/kzk9/
Unpacked files
SH256 hash:
dcb34b585aeacc2d5f75cbb680471b91cd0e616e93730e1d01a2bd10a35b4341
MD5 hash:
02561802bae05b200719d05b2f38c83c
SHA1 hash:
87c3c90d513560264fb0ccd46ab790cebacf8d5a
SH256 hash:
6fee24a1398bb022d0c5b9059b9b21e7636fc3861866a583d0e49b7d0ca56d58
MD5 hash:
36e2528c3cb3ad299ea481283687cdd6
SHA1 hash:
1981340bc7be1aa8f78f942fc6f0724838e35a87
SH256 hash:
0366673a2a85919a9419b85f9f552a2c9713edda8319dc9046f271ee024816ad
MD5 hash:
ba67c997b2e0d90d44e889e3629300c9
SHA1 hash:
0a5b49e3176fa0e2f4623426f6d3d47757a0f742
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe 0366673a2a85919a9419b85f9f552a2c9713edda8319dc9046f271ee024816ad

(this sample)

  
Delivery method
Distributed via web download

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