MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f44eaa70bc3a335aafde0dda80080dad479d50a2551784992fc863cf21e466a5. 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 4 File information Comments 1

SHA256 hash: f44eaa70bc3a335aafde0dda80080dad479d50a2551784992fc863cf21e466a5
SHA3-384 hash: 73af81b35c3af53192f67d58e6f0e194dfd76ade08dfa360e09e020ef141d1bf799192fddf98bc48685714aeba5482ad
SHA1 hash: 9d4f3f35ea56d443a8fe25c88fa3ced186430bd1
MD5 hash: 939e8c553c6ce2323c252e981a7cd53a
humanhash: mobile-missouri-lemon-fourteen
File name:PO8110.exe
Download: download sample
Signature Formbook
File size:584'186 bytes
First seen:2021-05-13 11:49:59 UTC
Last seen:2021-05-13 12:53:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c05041e01f84e1ccca9c4451f3b6a383 (141 x RedLineStealer, 101 x GuLoader, 64 x DiamondFox)
ssdeep 6144:5gORa4ipsvVV/cFWKvPZfrWqSpV52mq8tzHPqErt1:5gJaXQPZMpL7vxD
Threatray 5'165 similar samples on MalwareBazaar
TLSH DDC4B6FADD058943D2303673EF61B7329F294FD8B1A22005E21ABA567035F9E892DD53
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO8110.exe
Verdict:
Malicious activity
Analysis date:
2021-05-13 11:55:12 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
Creating a window
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Creating a file in the %temp% directory
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
Detected unpacking (changes PE section rights)
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 413404 Sample: PO8110.exe Startdate: 13/05/2021 Architecture: WINDOWS Score: 100 33 www.pidelodirecto.com 2->33 35 pidelodirecto.com 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 4 other signatures 2->49 11 PO8110.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\y6q9rjd6t2jr.dll, PE32 11->29 dropped 31 C:\Users\user\AppData\Local\...\ul4p0uv9pn2zj, DOS 11->31 dropped 61 Detected unpacking (changes PE section rights) 11->61 63 Maps a DLL or memory area into another process 11->63 65 Tries to detect virtualization through RDTSC time measurements 11->65 15 PO8110.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.painteredmond.com 192.185.0.218, 49755, 80 UNIFIEDLAYER-AS-1US United States 18->37 39 nobleandmarble.com 209.222.96.146, 49737, 80 RELIABLESITEUS United States 18->39 41 17 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 chkdsk.exe 18->22         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.Spynoon
Status:
Malicious
First seen:
2021-05-13 03:45:19 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.nobleandmarble.com/or4i/
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-13 12:02:43 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread