MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bb79d3f58130c38c2d1c54737aaa69bfdf5693cf6177efaac78377020b86ad6. 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 2 File information Comments

SHA256 hash: 1bb79d3f58130c38c2d1c54737aaa69bfdf5693cf6177efaac78377020b86ad6
SHA3-384 hash: 48b3bcb4fcd3c95436efe0e9539de1beee1a395e0e81f3d22d07828839b23bfb948d7fed049bf135c7dcb9ed3aee4c94
SHA1 hash: b145bda9579274c1648829df1e37e9500976e271
MD5 hash: ff34b92fe897f13e422b67f5cbc9740c
humanhash: kilo-delaware-east-quiet
File name:ff34b92fe897f13e422b67f5cbc9740c.exe
Download: download sample
Signature Formbook
File size:862'208 bytes
First seen:2021-06-16 13:08:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:PquPHpdPsaTH7ZSFSFYeUtKckniLXBlVm:P5TdSTk63
Threatray 5'449 similar samples on MalwareBazaar
TLSH 9305BF3437ED9108FBBA0B3158B9C1C452BFFE276A55CA1E2414221CAD5368BE7137A7
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ff34b92fe897f13e422b67f5cbc9740c.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-16 13:15:54 UTC
Tags:
n/a

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
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
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-16 13:09:15 UTC
AV detection:
17 of 29 (58.62%)
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.yellow-wink.com/nff/
Unpacked files
SH256 hash:
82fe42ffa7c2160c4ba79b666ba52f6dce210e0be5cbbb1419ddf3058215568b
MD5 hash:
a7c717e07a9e8fc3408914687859cf8a
SHA1 hash:
862f0e3f4f99c7674a540327ba08792e8a6cf5a1
SH256 hash:
1bb79d3f58130c38c2d1c54737aaa69bfdf5693cf6177efaac78377020b86ad6
MD5 hash:
ff34b92fe897f13e422b67f5cbc9740c
SHA1 hash:
b145bda9579274c1648829df1e37e9500976e271
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: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 1bb79d3f58130c38c2d1c54737aaa69bfdf5693cf6177efaac78377020b86ad6

(this sample)

  
Delivery method
Distributed via web download

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