MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a92235ec84914d6b63d046bf213887d7c740026e8ed3e1ab3fb73cd061e5a34. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments 1

SHA256 hash: 1a92235ec84914d6b63d046bf213887d7c740026e8ed3e1ab3fb73cd061e5a34
SHA3-384 hash: 368e1d08d5f573238ad150db1c08f24b08da93522c769c409e76aed6c9d2c75964ff549e08d0ac9c852a6e3e70170f15
SHA1 hash: 868da4100783eed6d97eca2f96340c237464c7d5
MD5 hash: facefe0735c730273913fa3ab9a2325f
humanhash: queen-virginia-avocado-magnesium
File name:facefe0735c730273913fa3ab9a2325f
Download: download sample
Signature Formbook
File size:627'712 bytes
First seen:2021-11-26 11:39:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:XAWV9V9Ve0j/0cu2ekWA6j20TccrKstqtpOt:QWV9V9VxGksy+ccWw8
Threatray 11'771 similar samples on MalwareBazaar
TLSH T18ED48DB5E4AA45A0E51BCCB09A38FE231D32BCD3ADCA9136177931058F77A562F4490F
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Dumak Order.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-26 10:19:31 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader

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

Behaviour
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed wimmie
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 529144 Sample: rLVZqsFb5S Startdate: 26/11/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 5 other signatures 2->38 10 rLVZqsFb5S.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\rLVZqsFb5S.exe.log, ASCII 10->30 dropped 48 Tries to detect virtualization through RDTSC time measurements 10->48 50 Injects a PE file into a foreign processes 10->50 14 rLVZqsFb5S.exe 10->14         started        17 mobsync.exe 10->17         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 19 explorer.exe 14->19 injected process8 process9 21 raserver.exe 19->21         started        signatures10 40 Self deletion via cmd delete 21->40 42 Modifies the context of a thread in another process (thread injection) 21->42 44 Maps a DLL or memory area into another process 21->44 46 Tries to detect virtualization through RDTSC time measurements 21->46 24 cmd.exe 1 21->24         started        26 explorer.exe 1 152 21->26         started        process11 process12 28 conhost.exe 24->28         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-11-26 11:40:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 28 (75.00%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:yrcy loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.drmichaelirvine.com/yrcy/
Unpacked files
SH256 hash:
5891437d8c4f08956e20187533c92aa78ca29d728d6e2cac9712a9364e92980c
MD5 hash:
805deeddc7349ada2b9ca69b77cfce8f
SHA1 hash:
1f44b4314e41dc35f69a9cd35250b32f469bba02
SH256 hash:
20884c8a591c38e8fd40b61228b18fe2095ffa7106e5756b50f00d9e8ed1521a
MD5 hash:
41ebc2a6c601ca6a577252418e68b069
SHA1 hash:
629ebf77b4553a16144453ac2e3c7152511e762d
SH256 hash:
65f0bce9dc0a9ac44240513d358c8e469e1a57b50b0f9c7d953f6e00bd6861fa
MD5 hash:
905b1dc3e024e593c76ef625223d4412
SHA1 hash:
1929c9f87e67cd623d28aa4d5f58d7ed2b8a067f
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
1a92235ec84914d6b63d046bf213887d7c740026e8ed3e1ab3fb73cd061e5a34
MD5 hash:
facefe0735c730273913fa3ab9a2325f
SHA1 hash:
868da4100783eed6d97eca2f96340c237464c7d5
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: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 1a92235ec84914d6b63d046bf213887d7c740026e8ed3e1ab3fb73cd061e5a34

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-26 11:39:39 UTC

url : hxxp://103.167.92.57/181900000_3/vbc.exe