MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de3c81ef7e59a386f6572d4c095739d45493d90b03c348748200012ec165372f. 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 1 File information Comments

SHA256 hash: de3c81ef7e59a386f6572d4c095739d45493d90b03c348748200012ec165372f
SHA3-384 hash: e136790b306ade37c08517c316c475204795ebbd0bb37e3e54915c0222becfaaea79b4217ff3b28e6ab26000a0574e20
SHA1 hash: 5b0acdb0527a8ea469ccae1186bef9b79353bdc7
MD5 hash: b234423dcfffbe4ac21d7cd4f4f1299f
humanhash: missouri-kitten-utah-bakerloo
File name:5637379-B.exe
Download: download sample
Signature Formbook
File size:263'680 bytes
First seen:2021-03-24 16:51:36 UTC
Last seen:2021-03-26 07:27:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash efe838d6deb35596de78d6d8db65fe0f (1 x Formbook, 1 x RedLineStealer)
ssdeep 6144:lI5LnfLHis/pzuDpWJCg6hFS8IF31pTuJe:8LzP/pzUpACdS
Threatray 4'342 similar samples on MalwareBazaar
TLSH 9444D01072E1C873E906157A0956C7B14A3AFCB14B2596C77BD02B2E9F323E19E3A347
Reporter GovCERT_CH
Tags:FormBook

Intelligence


File Origin
# of uploads :
6
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5637379-B.exe
Verdict:
Malicious activity
Analysis date:
2021-03-24 06:25:46 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
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
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
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
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Glupteba
Status:
Malicious
First seen:
2021-03-24 10:40:44 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
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
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.batiktintaemas.com/goei/
Unpacked files
SH256 hash:
4cf86d2f62107e452c7f625e70afc0651bcd6ff6ca8be5f6dbb421e756e01e91
MD5 hash:
694b199b716f616e9959e2fc8ef12227
SHA1 hash:
b1736717adacda124d9ffb537969830a57e60132
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
de3c81ef7e59a386f6572d4c095739d45493d90b03c348748200012ec165372f
MD5 hash:
b234423dcfffbe4ac21d7cd4f4f1299f
SHA1 hash:
5b0acdb0527a8ea469ccae1186bef9b79353bdc7
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

Malspam

Formbook

Executable exe de3c81ef7e59a386f6572d4c095739d45493d90b03c348748200012ec165372f

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments