MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b60d52fb9609a44a180110b46007bfc5f21e16189a667a17eb54e16cb3890c3e. 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 3 File information Comments

SHA256 hash: b60d52fb9609a44a180110b46007bfc5f21e16189a667a17eb54e16cb3890c3e
SHA3-384 hash: 1c51a99f306e228f96c1122782274787d2ca05fac41d78e742a29323c2c9836835b090ee1b7a14e63d4bbc3097da701b
SHA1 hash: 535425182540ac5b5ea21a13b9357632baf68313
MD5 hash: 8bc12f4c63c7cd1eac3b317628526489
humanhash: india-nuts-kitten-edward
File name:PS23-107.exe
Download: download sample
Signature Formbook
File size:826'368 bytes
First seen:2024-01-02 09:13:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:EYto84q93sDOWY0vt9V5zLSYBocoOxQQffyAgs/LyUW/z9RKq90JlS:EEo1qNsDOWY0vt3BeYBocnXnyAJl
Threatray 619 similar samples on MalwareBazaar
TLSH T13B05BFFD08BD12FB806DF6A58BD99B27B018987B3110696794D34397430AA9235F31FE
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 lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
300
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b60d52fb9609a44a180110b46007bfc5f21e16189a667a17eb54e16cb3890c3e.exe
Verdict:
Suspicious activity
Analysis date:
2024-01-02 09:35:38 UTC
Tags:
n/a

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching cmd.exe command interpreter
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1368709 Sample: PS23-107.exe Startdate: 02/01/2024 Architecture: WINDOWS Score: 100 55 www.seojandapirang.site 2->55 57 www.nixatowing.top 2->57 59 4 other IPs or domains 2->59 75 Snort IDS alert for network traffic 2->75 77 Multi AV Scanner detection for domain / URL 2->77 79 Found malware configuration 2->79 81 12 other signatures 2->81 11 PS23-107.exe 7 2->11         started        15 ygRrWzd.exe 5 2->15         started        signatures3 process4 file5 51 C:\Users\user\AppData\Roaming\ygRrWzd.exe, PE32 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmpCE9F.tmp, XML 11->53 dropped 89 Uses schtasks.exe or at.exe to add and modify task schedules 11->89 91 Adds a directory exclusion to Windows Defender 11->91 93 Tries to detect virtualization through RDTSC time measurements 11->93 17 PS23-107.exe 11->17         started        20 powershell.exe 22 11->20         started        22 schtasks.exe 1 11->22         started        95 Multi AV Scanner detection for dropped file 15->95 97 Machine Learning detection for dropped file 15->97 99 Injects a PE file into a foreign processes 15->99 24 ygRrWzd.exe 15->24         started        26 schtasks.exe 1 15->26         started        28 ygRrWzd.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 30 explorer.exe 3 1 17->30 injected 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 26->38         started        process9 dnsIp10 61 www.seojandapirang.site 104.21.16.85, 49742, 80 CLOUDFLARENETUS United States 30->61 63 www.driftwoodtowing.top 104.21.52.168, 49743, 80 CLOUDFLARENETUS United States 30->63 65 2 other IPs or domains 30->65 101 System process connects to network (likely due to code injection or exploit) 30->101 40 msdt.exe 30->40         started        43 cmd.exe 30->43         started        45 autochk.exe 30->45         started        signatures11 process12 signatures13 83 Modifies the context of a thread in another process (thread injection) 40->83 85 Maps a DLL or memory area into another process 40->85 87 Tries to detect virtualization through RDTSC time measurements 40->87 47 cmd.exe 1 40->47         started        process14 process15 49 conhost.exe 47->49         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-27 07:43:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:wd23 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
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
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
9302a8f576abaeeeb7b4762640d6e9223ceac176c670cf9c5b191c7c3cbe26e8
MD5 hash:
9050b2911eaecf5dd196aa7a91fb1f08
SHA1 hash:
c44199461dff8d991b7371f1f0c658b69b1de53b
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
SH256 hash:
384b8ecab18a8a23399d0fdbb18156dc8ca12016b837fadf950b379b7f5d5500
MD5 hash:
695c21d9406cd085ba162918197e9a3d
SHA1 hash:
ca62a35f7d2c3f6c166b412ea043c8d58e1cfa4b
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
SH256 hash:
e3d65bd9581460ee982d8040e2376222317843cba4c45e1e8567a4bb2d426f66
MD5 hash:
0a64362f023ad6fb6846acba666136ef
SHA1 hash:
1cf8a0db76830c2a093084e2b04f268648a943de
SH256 hash:
b60d52fb9609a44a180110b46007bfc5f21e16189a667a17eb54e16cb3890c3e
MD5 hash:
8bc12f4c63c7cd1eac3b317628526489
SHA1 hash:
535425182540ac5b5ea21a13b9357632baf68313
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:NET
Author:malware-lu
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 b60d52fb9609a44a180110b46007bfc5f21e16189a667a17eb54e16cb3890c3e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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