MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22099fbafc3dda95912c51aa0c313826f21e2fe84ef51453c649f66ab29c6916. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: 22099fbafc3dda95912c51aa0c313826f21e2fe84ef51453c649f66ab29c6916
SHA3-384 hash: 106f9431d022924c95784d1e4069ffe3e7977221d5921d42833e1df42d4cd09d3f33e5bab8cd82c7911d40c5ddd7b268
SHA1 hash: 5fe7418c073c45eebbd6d12220cd63a49ea4f122
MD5 hash: a745520f45bced7375d4e918a82c0517
humanhash: magnesium-ink-sweet-fanta
File name:a745520f45bced7375d4e918a82c0517.exe
Download: download sample
Signature Formbook
File size:273'443 bytes
First seen:2022-02-10 07:37:01 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:ow4FJ5FTVYxuqBeBbxpMkrIGuHLnk/JsTWX0EsDHbew9hE+:UFh5BsTW10bn92+
TLSH T1C944121B67E89867D54C0AB19433C76FF2B6FB127235164B67A81E7378292C20CB61D3
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
796ff7288ba3d9eb397de121804056fbbb851f68.xlsx
Verdict:
Malicious activity
Analysis date:
2022-02-10 10:09:20 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader 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 file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
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: 569902 Sample: GASZxAYAkM.exe Startdate: 10/02/2022 Architecture: WINDOWS Score: 100 34 www.therealvictoriabelieves.com 2->34 36 www.hypadel.com 2->36 38 2 other IPs or domains 2->38 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 5 other signatures 2->60 12 GASZxAYAkM.exe 19 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\twwruwspfp.exe, PE32 12->32 dropped 15 twwruwspfp.exe 12->15         started        process6 signatures7 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 74 Injects a PE file into a foreign processes 15->74 18 twwruwspfp.exe 15->18         started        process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Sample uses process hollowing technique 18->50 52 Queues an APC in another process (thread injection) 18->52 21 explorer.exe 18->21 injected process10 dnsIp11 40 www.pawastreams.com 103.224.182.241, 49757, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 21->40 42 smarthomesecurity.online 162.0.235.131, 49760, 80 NAMECHEAP-NETUS Canada 21->42 44 7 other IPs or domains 21->44 62 System process connects to network (likely due to code injection or exploit) 21->62 25 mstsc.exe 21->25         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 25->64 66 Maps a DLL or memory area into another process 25->66 68 Tries to detect virtualization through RDTSC time measurements 25->68 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2022-02-10 07:37:15 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ndf8 loader rat
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
Unpacked files
SH256 hash:
2d259c31d441060d1f45fe3b7648cafbeaad6cbb0f4598cebb99342cca7f1689
MD5 hash:
881441709a2a82fd30592fc9e0bbfd14
SHA1 hash:
a1ba1d015e64a67776bdbe0fa64c47e9b953f48a
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
f67e0787d9af8915d51c45c47249d790695919171f2698d1b94ab31d7db34661
MD5 hash:
73133e111e6aa23a59aae286f9c39fa4
SHA1 hash:
859ab7fdf5cf27e7b41bcfc6f3ef224c3f461278
SH256 hash:
22099fbafc3dda95912c51aa0c313826f21e2fe84ef51453c649f66ab29c6916
MD5 hash:
a745520f45bced7375d4e918a82c0517
SHA1 hash:
5fe7418c073c45eebbd6d12220cd63a49ea4f122
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819

File information


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

Web download

Formbook

Executable exe 22099fbafc3dda95912c51aa0c313826f21e2fe84ef51453c649f66ab29c6916

(this sample)

  
Delivery method
Distributed via web download

Comments