MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 973afd04fd466b41ebe1b7a3cbdc5a90217f754f2637cc25718cfe899e1c1365. 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: 18


Intelligence 18 IOCs YARA 2 File information Comments

SHA256 hash: 973afd04fd466b41ebe1b7a3cbdc5a90217f754f2637cc25718cfe899e1c1365
SHA3-384 hash: e63a6f51b8af9f98b27dafe93013166ff1d8f00e23d85be529e8158feefefe88684973cfce8e7ee134ac27b067e66eb2
SHA1 hash: ec14337ea02cd4be3260305d37e93fee66b218a5
MD5 hash: 0158473edd48d518e0554ba0127c96f5
humanhash: sierra-seventeen-nineteen-low
File name:ad9TGaeHTzwAr0b.exe
Download: download sample
Signature Formbook
File size:844'288 bytes
First seen:2023-06-15 22:59:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:ga1mOV/NOaYtiLvtVpQu/geXQc9YYNC3JAk:gaUOV/NOapJQu/gmNC5Ak
Threatray 2'542 similar samples on MalwareBazaar
TLSH T18B05F12933AA9B0EC4BA6FFD1D206630C3F5AE467033D35A4ED735EA9D71B1448905A3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
373
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
ad9TGaeHTzwAr0b.exe
Verdict:
Malicious activity
Analysis date:
2023-06-15 23:02:33 UTC
Tags:
formbook xloader

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
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet packed
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
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: 888711 Sample: ad9TGaeHTzwAr0b.exe Startdate: 16/06/2023 Architecture: WINDOWS Score: 100 31 www.6623max.com 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 5 other signatures 2->45 11 ad9TGaeHTzwAr0b.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\ad9TGaeHTzwAr0b.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 ad9TGaeHTzwAr0b.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 1 15->18 injected process9 dnsIp10 33 evenmore.live 34.102.136.180, 49684, 80 GOOGLEUS United States 18->33 35 td-ccm-168-233.wixdns.net 34.117.168.233, 49683, 80 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 18->35 37 5 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 chkdsk.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-06-12 09:25:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cx01 rat spyware stealer trojan
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Formbook payload
Formbook
Unpacked files
SH256 hash:
afa6fe53f9d084dd070c1b4e9e44d93ed9d62f45a93d826aef0a0fa30b9322db
MD5 hash:
f344ff94c90ff9a2e2d288bc7bfde3c5
SHA1 hash:
cd0e9577159370d96cceb2e86cc54d581408c8a9
SH256 hash:
ff50d8f4acb7c20bd37d723684636344c5bf98486becf32b564abc003b3bd218
MD5 hash:
aa1ebee5342b19e4f41f4ddd98f0e749
SHA1 hash:
c453baa4c6ca1472934ad6118bf0e2fbe6ffcbe4
SH256 hash:
f8dbc6077f6b01c6eec334061d687ff1b291a2aa5513cf1e0b5bde4a8dbc5588
MD5 hash:
15aab611795bcbf2758052944013be1a
SHA1 hash:
772a1002b111e117cf3b1e9f0cabda4894777399
SH256 hash:
e5d0b40d8f2b07ea86a33bd90fd0569e96786d976cb63c654a986f7e9b988370
MD5 hash:
e07895520939e701f62fe7f30e343dbf
SHA1 hash:
707c1266878269a8719c7baff981a816185650d0
SH256 hash:
973afd04fd466b41ebe1b7a3cbdc5a90217f754f2637cc25718cfe899e1c1365
MD5 hash:
0158473edd48d518e0554ba0127c96f5
SHA1 hash:
ec14337ea02cd4be3260305d37e93fee66b218a5
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: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.

Malspam

Formbook

Executable exe 973afd04fd466b41ebe1b7a3cbdc5a90217f754f2637cc25718cfe899e1c1365

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments