MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d84d64d53496e0edfbbafd80efd37be254a071c30dab6aa3708d064bfb1758e. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 6d84d64d53496e0edfbbafd80efd37be254a071c30dab6aa3708d064bfb1758e
SHA3-384 hash: 65956e994e87be20ff3e8ae63d9cb9c0654a91a4b4ea038798d587c3adcf79b22341978ca63d28c780e6e5267f2d3199
SHA1 hash: c7e9cc67827ce8afd5b8346db4f0d4f326a81158
MD5 hash: 91c4408c6440c8abd884d5f795a69d93
humanhash: arizona-jersey-mango-low
File name:INV&PL.pdf.exe
Download: download sample
Signature Formbook
File size:989'696 bytes
First seen:2021-06-23 16:03:09 UTC
Last seen:2021-06-23 16:58:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:BiDerSToqNJbX9dxVK/L+m7f3E59EMN6MtKG29eiL8425MPc7Gec3UGLQXu:BcnbNdxV4bpMAMtd29eiLX2T7GeULa
Threatray 5'950 similar samples on MalwareBazaar
TLSH CC256B5537AA4B05F03A9BB43116C9B0E3B5BE15296AD61A4CC03BDB3973BC1CF8560B
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INV&PL.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-06-23 16:06:00 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
UNKNOWN
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
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Suspicious Double Extension
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-23 14:34:47 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.activeco.xyz/kb8f/
Unpacked files
SH256 hash:
e02310982eba4831ac320d43a05821a55d214bf98d8f24a7fd7a06bc16fd80b1
MD5 hash:
ced83e9c837c0db1a56a9f598d0d13ed
SHA1 hash:
2ddf098504d771993f5b50b142b071f0e57d103d
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6a3008490766c9be5883f24ebbb16c7fa6967432b63ccf4bd87dc15d0f336b0c
MD5 hash:
7a67d087b850cdc13d9a733c3c08c6e0
SHA1 hash:
eb90c36b728db8ebc781097a7e0b8af5bc9bfd17
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
SH256 hash:
6d84d64d53496e0edfbbafd80efd37be254a071c30dab6aa3708d064bfb1758e
MD5 hash:
91c4408c6440c8abd884d5f795a69d93
SHA1 hash:
c7e9cc67827ce8afd5b8346db4f0d4f326a81158
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.

Malspam

Formbook

Executable exe 6d84d64d53496e0edfbbafd80efd37be254a071c30dab6aa3708d064bfb1758e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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