MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5c025f7696528fbc5b1649e93b4ccbafc2d1b9b51155626c9197d110edcba06. 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 4 File information Comments 1

SHA256 hash: b5c025f7696528fbc5b1649e93b4ccbafc2d1b9b51155626c9197d110edcba06
SHA3-384 hash: 5bbe2782679ba929c51e887dc09cb7a3aeaacdccb7919fb5755b2e649507b2f6b04255acfa5a3e3ec1a9b0d52141298d
SHA1 hash: 43969debcb3225e90e6aacbba1dc7feebe5c6588
MD5 hash: 4a18b2694b69df47251bd5e7c9e1ba43
humanhash: leopard-three-ink-spring
File name:Dokument Nota odbiorcza IMI FFPT-2019223912003_2021 doc.exe
Download: download sample
Signature Formbook
File size:253'446 bytes
First seen:2021-05-21 08:42:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:WsdW7qKqm7suDcJ7jH4OLaHnWI6aZ4Z7+GJcR:r0q+sugJ7j7LEnT7PR
Threatray 5'319 similar samples on MalwareBazaar
TLSH 524402A6F1D046F3E40A11F11A539F53A3B25F48413D4A9BA7FABE66AE722C1010DF4D
Reporter Anonymous
Tags:FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Dokument Nota odbiorcza IMI FFPT-2019223912003_2021 doc.exe
Verdict:
Malicious activity
Analysis date:
2021-05-21 08:24:29 UTC
Tags:
installer 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
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
Creating a file
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
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 419449 Sample: Dokument Nota odbiorcza IMI... Startdate: 21/05/2021 Architecture: WINDOWS Score: 100 33 www.fashionnailsjohnston.com 2->33 35 fashionnailsjohnston.com 2->35 37 clientconfig.passport.net 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 5 other signatures 2->51 11 Dokument Nota odbiorcza IMI FFPT-2019223912003_2021 doc.exe 21 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\temrdrwvswfla, DOS 11->29 dropped 31 C:\Users\user\AppData\Local\...\System.dll, PE32 11->31 dropped 61 Maps a DLL or memory area into another process 11->61 15 Dokument Nota odbiorcza IMI FFPT-2019223912003_2021 doc.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 39 tekisltd.com 197.248.5.19, 49767, 80 SafaricomKE Kenya 18->39 41 www.swededenoting.host 84.33.45.250, 49769, 80 SERVER24-ASINCUBATECGmbH-SrlIT Italy 18->41 43 20 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 22 cmd.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.Spyware.Noon
Status:
Malicious
First seen:
2021-05-21 08:14:32 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
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.mambomakaya.com/ftgq/
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 2021-05-21 08:59:22 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection
1) [C0032.001] Data Micro-objective::CRC32::Checksum
2) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0045] File System Micro-objective::Copy File
5) [C0046] File System Micro-objective::Create Directory
6) [C0048] File System Micro-objective::Delete Directory
7) [C0047] File System Micro-objective::Delete File
8) [C0049] File System Micro-objective::Get File Attributes
9) [C0051] File System Micro-objective::Read File
10) [C0050] File System Micro-objective::Set File Attributes
11) [C0052] File System Micro-objective::Writes File
12) [E1510] Impact::Clipboard Modification
13) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
14) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
15) [C0036.007] Operating System Micro-objective::Delete Registry Value::Registry
16) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
17) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
18) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
19) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
20) [C0017] Process Micro-objective::Create Process
21) [C0038] Process Micro-objective::Create Thread
22) [C0018] Process Micro-objective::Terminate Process