MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1b046f894481455910ad97525d296af183dbda7cfbefdec87afbc05bfc4683c. 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 2 File information Comments

SHA256 hash: b1b046f894481455910ad97525d296af183dbda7cfbefdec87afbc05bfc4683c
SHA3-384 hash: aaba6e80c542533f35110f748536edc2d1530ab23fb98c2553308952e895e6ab5779c918049084f46ca01b2f3f13ea2e
SHA1 hash: 83da777fd040ddca68116cd682141350e80657b7
MD5 hash: 4eb6d963e63e3ea4f0c76b9127df4586
humanhash: carpet-wolfram-hotel-sad
File name:QOUTATION.exe
Download: download sample
Signature Formbook
File size:509'440 bytes
First seen:2022-03-14 18:57:31 UTC
Last seen:2022-03-14 20:42:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:XDEaRUcZ64MEORjO/ZdizmLyFCcgNkytLAi:zzU9RAZdyFCcgD
Threatray 14'058 similar samples on MalwareBazaar
TLSH T143B4D024F2395AE1D82D9778C560952CCFE5E32AC31EF1682CB7B49E40B17C70A66E17
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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
Antivirus detection for URL or domain
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)
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
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:
2022-03-14 15:58:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:sued loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
c321c1f6ea2174a865711db2d2422954dc0615248f19672c0eece829dd7dc939
MD5 hash:
865fcc91ae58dffb8e5ac7cf4e2687c5
SHA1 hash:
4362a36a8e1f6c8090d78e0e29c289f19396c914
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
b1b046f894481455910ad97525d296af183dbda7cfbefdec87afbc05bfc4683c
MD5 hash:
4eb6d963e63e3ea4f0c76b9127df4586
SHA1 hash:
83da777fd040ddca68116cd682141350e80657b7
Malware family:
XLoader
Verdict:
Malicious
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 b1b046f894481455910ad97525d296af183dbda7cfbefdec87afbc05bfc4683c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments