MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 849ff9a40f9baf27f720a7fd7d4f19e749f055627abd2c2bf5f7cd0629a06ab9. 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 File information Comments

SHA256 hash: 849ff9a40f9baf27f720a7fd7d4f19e749f055627abd2c2bf5f7cd0629a06ab9
SHA3-384 hash: 1e19ded9c9a2730a4b6c64f6584f67519da14e1db979fb9efe2f8ae72291dd357643f54049a646c6ab7a369561728233
SHA1 hash: 9531759cf9eca23c4ee8094d24dc3d2b9da581bf
MD5 hash: 3880d927019bebe5e59b02ea6ea0f1e9
humanhash: harry-failed-foxtrot-moon
File name:z26PAGE.exe
Download: download sample
Signature Formbook
File size:825'856 bytes
First seen:2023-12-27 12:03:39 UTC
Last seen:2024-01-02 09:13:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:XrMoA4FxNQ+YNNkeOtj2f+8V6391O/Dm/:QoxiXPOtjI21O/Dm
TLSH T11505B0FD48BD12EB80ADF6A58BD98B27B054987B31116C6794C34397430AA9235F31FE
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter FXOLabs
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
5
# of downloads :
329
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
z26PAGE.exe
Verdict:
Malicious activity
Analysis date:
2023-12-27 12:06:02 UTC
Tags:
formbook xloader stealer spyware

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
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Using the Windows Management Instrumentation requests
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
.NET source code contains very large array initializations
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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 domain / URL
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
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 netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1367360 Sample: z26PAGE.exe Startdate: 27/12/2023 Architecture: WINDOWS Score: 100 61 www.venitro.com 2->61 63 www.twinklethrive.com 2->63 65 10 other IPs or domains 2->65 81 Snort IDS alert for network traffic 2->81 83 Multi AV Scanner detection for domain / URL 2->83 85 Found malware configuration 2->85 87 12 other signatures 2->87 11 z26PAGE.exe 7 2->11         started        15 GIceui.exe 5 2->15         started        signatures3 process4 file5 51 C:\Users\user\AppData\RoamingbehaviorgraphIceui.exe, PE32 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmpF1A6.tmp, XML 11->53 dropped 95 Uses schtasks.exe or at.exe to add and modify task schedules 11->95 97 Writes to foreign memory regions 11->97 99 Adds a directory exclusion to Windows Defender 11->99 101 Injects a PE file into a foreign processes 11->101 17 RegSvcs.exe 11->17         started        20 RegSvcs.exe 11->20         started        22 powershell.exe 19 11->22         started        30 2 other processes 11->30 103 Multi AV Scanner detection for dropped file 15->103 105 Machine Learning detection for dropped file 15->105 107 Sample uses process hollowing technique 15->107 24 RegSvcs.exe 15->24         started        26 schtasks.exe 1 15->26         started        28 RegSvcs.exe 15->28         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 17->67 69 Maps a DLL or memory area into another process 17->69 71 Sample uses process hollowing technique 17->71 73 Queues an APC in another process (thread injection) 17->73 32 explorer.exe 6 1 17->32 injected 75 Tries to detect virtualization through RDTSC time measurements 20->75 36 conhost.exe 22->36         started        38 conhost.exe 26->38         started        40 conhost.exe 30->40         started        process9 dnsIp10 55 www.biosif.com 51.161.10.206, 49740, 80 OVHFR Canada 32->55 57 www.sgyy3ej2dgwesb5.com 150.95.255.38, 49743, 80 INTERQGMOInternetIncJP Japan 32->57 59 3 other IPs or domains 32->59 77 System process connects to network (likely due to code injection or exploit) 32->77 79 Uses netsh to modify the Windows network and firewall settings 32->79 42 control.exe 32->42         started        45 netsh.exe 32->45         started        signatures11 process12 signatures13 89 Modifies the context of a thread in another process (thread injection) 42->89 91 Maps a DLL or memory area into another process 42->91 93 Tries to detect virtualization through RDTSC time measurements 42->93 47 cmd.exe 42->47         started        process14 process15 49 conhost.exe 47->49         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-27 11:55:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gy14 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
75accc0c2926e373c395dafe8324b0dbd256bb398ae8a765abbab18f2729c09a
MD5 hash:
f4aa278c181d6a5da571b7fa14025898
SHA1 hash:
523666ffb8bed7d116377446724536c553629dae
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
Parent samples :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 hash:
2af7e4e790f61b05899b41211d308f54e70016420b3ef7d5e31d40ad5cc36b47
MD5 hash:
9e522f8c677aa9941bb8a4b29765871b
SHA1 hash:
7c75084f4b6525ae20c18a752cb310db20cc5eb0
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
SH256 hash:
55c021b051157e781a08e8479e39f8488c0c1072cc796ecbbb6d10992b078696
MD5 hash:
7843b7989f0c0ed3eeba2938e8b9c631
SHA1 hash:
325c6e16aa083517595ae8b6d96a8dc9a5b45f98
SH256 hash:
849ff9a40f9baf27f720a7fd7d4f19e749f055627abd2c2bf5f7cd0629a06ab9
MD5 hash:
3880d927019bebe5e59b02ea6ea0f1e9
SHA1 hash:
9531759cf9eca23c4ee8094d24dc3d2b9da581bf
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 849ff9a40f9baf27f720a7fd7d4f19e749f055627abd2c2bf5f7cd0629a06ab9

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments