MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 605353b30400dd2065e8197d1ee3664907c67dda7fb7f1668fd6f61bc12fd6a1. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: 605353b30400dd2065e8197d1ee3664907c67dda7fb7f1668fd6f61bc12fd6a1
SHA3-384 hash: 3f906cade1f3ab0d91ae00bd4a4c3148c214e8efa407575e49db8fdac564b026616fd734d5a2be80b78b0647394d6730
SHA1 hash: 45349e644bec1564b2b885aece67eaa1364ddb26
MD5 hash: 6aa39e4ee824e298eaa69e42d9ac04f0
humanhash: colorado-eight-echo-crazy
File name:payment receipt.exe
Download: download sample
Signature Formbook
File size:319'871 bytes
First seen:2022-03-01 10:19:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGipdAl3Ck0vI/13/s/Z2h6logUmA2CeVG2soH2SLDH1bDWu:YZzl3/GZ2hs5GhGz1bDd
Threatray 11'165 similar samples on MalwareBazaar
TLSH T1706412993AE88C97E9505D3019F5B73EFBBA538807D60F236F5C1D7E7B2019202245EA
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe formbook lokibot nemesis 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
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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: 580519 Sample: payment receipt.exe Startdate: 01/03/2022 Architecture: WINDOWS Score: 100 36 www.let-value.com 2->36 38 store-images.s-microsoft.com 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 6 other signatures 2->60 12 payment receipt.exe 18 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\vhgjj.exe, PE32 12->34 dropped 15 vhgjj.exe 12->15         started        process6 signatures7 70 Multi AV Scanner detection for dropped file 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 18 vhgjj.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 alb-pl2-web.int-digi.com 5.101.39.11, 49755, 80 VIARTCOMRU Russian Federation 21->40 42 wildgraceyogahealing.com 192.124.249.10, 49765, 80 SUCURI-SECUS United States 21->42 44 9 other IPs or domains 21->44 62 System process connects to network (likely due to code injection or exploit) 21->62 25 cmd.exe 21->25         started        28 autochk.exe 21->28         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 30 cmd.exe 1 25->30         started        process15 process16 32 conhost.exe 30->32         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-03-01 09:33:22 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:yrcy loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
Unpacked files
SH256 hash:
c65a6af5fa8719686bd9fb55055ee825ec87b5e4adf7e58baa5676b45600ea7e
MD5 hash:
152b5fcf2580b07523200858789d1abc
SHA1 hash:
db90e619c454ed44bc97bd0e057d572e82c67cf7
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
eb10e3aecb5d37946cb8a1fee8fa99f8cfcc0c31217f025ba6ffffea46e4230e
MD5 hash:
3c4db692c91fedd9b335e69bb2fddedd
SHA1 hash:
294026f180fbaef81cfa704eee8a060fe9b4716e
SH256 hash:
605353b30400dd2065e8197d1ee3664907c67dda7fb7f1668fd6f61bc12fd6a1
MD5 hash:
6aa39e4ee824e298eaa69e42d9ac04f0
SHA1 hash:
45349e644bec1564b2b885aece67eaa1364ddb26
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.

Malspam

Formbook

Executable exe 605353b30400dd2065e8197d1ee3664907c67dda7fb7f1668fd6f61bc12fd6a1

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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