MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec86abb9c05eff220edc39d4e7e3975f2432789f9c1f440f19fa47fdeb4671f4. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: ec86abb9c05eff220edc39d4e7e3975f2432789f9c1f440f19fa47fdeb4671f4
SHA3-384 hash: bf21f978ac8122c5e78629f99224c4293e9603907bd45393452b69604d8834d70730fa678095587e0e875df8f54118e1
SHA1 hash: 890226439c609eadf92039163397a31dd10e63e1
MD5 hash: 8cfb33c7058ed197629b4b47e4bb07aa
humanhash: eight-whiskey-echo-kilo
File name:LISTA DE ARTÍCULOS.exe
Download: download sample
Signature Formbook
File size:1'005'056 bytes
First seen:2023-02-09 06:59:13 UTC
Last seen:2023-02-09 07:04:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:T1bgzPGhgzfYFx6IKkhEkzcYmCEoXUFQpxWz4wMYez:TZyPyywFxRKFdYgX2Kz4wMYez
TLSH T1A525121079A4CE64D46843BCC871CAF05775AEB9E820EFE72DC67DCE39327A24154AC6
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 lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
192
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
LISTA DE ARTÍCULOS.exe
Verdict:
Malicious activity
Analysis date:
2023-02-09 07:01:12 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
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook 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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 803383 Sample: LISTA DE ART#U00cdCULOS.exe Startdate: 09/02/2023 Architecture: WINDOWS Score: 100 74 Snort IDS alert for network traffic 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Antivirus detection for URL or domain 2->78 80 8 other signatures 2->80 10 LISTA DE ART#U00cdCULOS.exe 7 2->10         started        14 sZAVzyW.exe 5 2->14         started        process3 file4 50 C:\Users\user\AppData\Roaming\sZAVzyW.exe, PE32 10->50 dropped 52 C:\Users\user\...\sZAVzyW.exe:Zone.Identifier, ASCII 10->52 dropped 54 C:\Users\user\AppData\Local\Temp\tmp12F.tmp, XML 10->54 dropped 56 C:\Users\...\LISTA DE ART#U00cdCULOS.exe.log, ASCII 10->56 dropped 88 Adds a directory exclusion to Windows Defender 10->88 16 RegSvcs.exe 10->16         started        19 RegSvcs.exe 10->19         started        21 schtasks.exe 1 10->21         started        23 powershell.exe 21 10->23         started        90 Machine Learning detection for dropped file 14->90 92 Writes to foreign memory regions 14->92 94 Injects a PE file into a foreign processes 14->94 25 RegSvcs.exe 14->25         started        27 schtasks.exe 14->27         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 16->64 66 Maps a DLL or memory area into another process 16->66 68 Sample uses process hollowing technique 16->68 70 Queues an APC in another process (thread injection) 16->70 29 explorer.exe 4 1 16->29 injected 72 Tries to detect virtualization through RDTSC time measurements 19->72 33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 27->37         started        process8 dnsIp9 58 gmkmc.com 217.21.95.62, 49690, 80 IPPLANET-ASIL United Kingdom 29->58 60 www.howtomakemillionsnow.com 209.143.158.10, 49687, 80 ILANDUS United States 29->60 62 9 other IPs or domains 29->62 96 System process connects to network (likely due to code injection or exploit) 29->96 39 rundll32.exe 29->39         started        42 WWAHost.exe 29->42         started        44 conhost.exe 33->44         started        signatures10 process11 signatures12 82 Modifies the context of a thread in another process (thread injection) 39->82 84 Maps a DLL or memory area into another process 39->84 86 Tries to detect virtualization through RDTSC time measurements 39->86 46 cmd.exe 39->46         started        process13 process14 48 conhost.exe 46->48         started       
Threat name:
ByteCode-MSIL.Trojan.RemLoader
Status:
Malicious
First seen:
2023-02-08 16:39:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cy01 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
SH256 hash:
6a47a83b29d97d7d9441800200ff3d484b93e437a1f9adba75a137cf5bf67f44
MD5 hash:
608a072f407ca99d23bdbeefd1e5b17f
SHA1 hash:
5ec13726ce9923182fc2286563904cf5dd5c5d35
SH256 hash:
e386840537170219177c2bb3404f4c7bd9da1a2d53cdf2ae1e857c3b19628a29
MD5 hash:
d170ab8c03b9c37d5be449454db131d2
SHA1 hash:
2031b6754a65d21b47dd11a34fee86f048d6048d
SH256 hash:
d6d9dd38f376f47aefe512ff3d9c79220024de41ee1029fe3cc89cc410833f3e
MD5 hash:
061a3fe5252535ebeabf63ea717716cb
SHA1 hash:
0aca5b73faf6a8d9eefa151233fb5563d643ff10
SH256 hash:
ec86abb9c05eff220edc39d4e7e3975f2432789f9c1f440f19fa47fdeb4671f4
MD5 hash:
8cfb33c7058ed197629b4b47e4bb07aa
SHA1 hash:
890226439c609eadf92039163397a31dd10e63e1
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 ec86abb9c05eff220edc39d4e7e3975f2432789f9c1f440f19fa47fdeb4671f4

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments