MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9fa6051bbc6360a9543398d476e888306b777d891348a2c2897454d34834c731. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 9fa6051bbc6360a9543398d476e888306b777d891348a2c2897454d34834c731
SHA3-384 hash: 17d34e5f2a5832f661f629ee1573c7128302c7443d8b3d000431350fb43de00963951fbfd753c4834c9eca1b1d4f27e5
SHA1 hash: 79fb0fbe86d842d2e28ba7b2aaabcae7323cb0e2
MD5 hash: 033ae26107106b9a23d781e2b905dd53
humanhash: delaware-august-stairway-virginia
File name:Payment Notice_pdf.exe
Download: download sample
Signature Formbook
File size:926'720 bytes
First seen:2023-02-02 11:03:52 UTC
Last seen:2023-02-02 21:53:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:aWvJULTuf+H2fNbB/7DWpDbt6F0xMpqG4yPa:DJUfuf+WxB/nWp/4Wiq
TLSH T1FE159E8737B1A8AFFA87407154283F886FA07113BE46A253973739C4D7098FBBB98151
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 cocaman
Tags:exe FormBook payment

Intelligence


File Origin
# of uploads :
3
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Payment Notice_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-02-02 11:06:55 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
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 796908 Sample: Payment Notice_pdf.exe Startdate: 02/02/2023 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 9 other signatures 2->45 10 Payment Notice_pdf.exe 3 2->10         started        process3 file4 27 C:\Users\user\...\Payment Notice_pdf.exe.log, ASCII 10->27 dropped 13 Payment Notice_pdf.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 6 6 13->16 injected process7 dnsIp8 29 gtm-sg-4hr306h0c1a.gtm-i1d9.com 154.197.13.87, 49707, 80 LITSSCL-AS-APLaoInternationalTechnologyServiceSoleCo Seychelles 16->29 31 www.fairiinc.com 210.157.78.55, 49701, 80 INFOWEBFUJITSULIMITEDJP Japan 16->31 33 15 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 37 Performs DNS queries to domains with low reputation 16->37 20 rundll32.exe 16->20         started        signatures9 process10 signatures11 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-02 11:04:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sz17 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
Formbook payload
Formbook
Unpacked files
SH256 hash:
3b0d3207d4e8e1382b9f6c51594d5ff36a2bf4fb873f2296f5b3d3a6e133c198
MD5 hash:
c63ccc28137498f3e9a28af52e1c0c8f
SHA1 hash:
1c701cf3df971d7a8bef396038bbb36cdab89d26
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
178cc7474b323b0ae6b3095ff67127726530d9d44be5cb58ba7315ef3a1199ad
MD5 hash:
159af9cf7f94d64c8120c80268965306
SHA1 hash:
fb41ab37af2c83e96d97e9cd066f90e72d4887ea
SH256 hash:
045e7a8f9888ad52c1ca79e11885c925471833657a8fda7576b0df6fced9c28a
MD5 hash:
d136093df71a67e88c2c665bfeb90f35
SHA1 hash:
efac7a36b18530b2c8707fb4e9a8b00269a936f3
SH256 hash:
6b110da514c715430d296ca2bd947c817a6609c26c9ea8d8fc8eb8f84388fcda
MD5 hash:
1803a7d55548f50cb810479d9be48134
SHA1 hash:
5318922c48aa73d677abf0ad686010994f81772e
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
9fa6051bbc6360a9543398d476e888306b777d891348a2c2897454d34834c731
MD5 hash:
033ae26107106b9a23d781e2b905dd53
SHA1 hash:
79fb0fbe86d842d2e28ba7b2aaabcae7323cb0e2
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 9fa6051bbc6360a9543398d476e888306b777d891348a2c2897454d34834c731

(this sample)

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