MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4322964e508c77509de409a50d36630fef838e38e0c0f999efe004d95032f66. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: c4322964e508c77509de409a50d36630fef838e38e0c0f999efe004d95032f66
SHA3-384 hash: 33c3bba7fe6cd806bb837983b6c4377b4fbb36817c74f3a9f82b47e28d2278030709631d514bddf7eb9b53a5b35c2809
SHA1 hash: cc02b0e247e89dfe178a85febba67ee2569e9a97
MD5 hash: 8b9f6452403c23ac64c9ddd3868d8dfd
humanhash: two-table-sixteen-west
File name:Image009.exe
Download: download sample
Signature Formbook
File size:647'168 bytes
First seen:2022-04-27 09:21:40 UTC
Last seen:2022-04-27 10:00:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:YAeFYLWJeJeFF9/6HVlb3426h5Q8ihk39kxDEywR2TLzonHaee:RQPr26vahgcpwR2LHee
Threatray 15'209 similar samples on MalwareBazaar
TLSH T12FD4E004BBFACA22D2E94B33C5E646044BB4EA13E117EF4F7AD56AD50C0336B9841B57
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 69dca0e8e8e0c448 (22 x AgentTesla, 8 x SnakeKeylogger, 6 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe msbuild.exe obfuscated packed replace.exe
Result
Verdict:
UNKNOWN
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
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 dnsIp2 2 Behavior Graph ID: 616436 Sample: Image009.exe Startdate: 27/04/2022 Architecture: WINDOWS Score: 100 33 www.paten4d.tech 2->33 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 7 other signatures 2->43 11 Image009.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\Image009.exe.log, ASCII 11->31 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 Image009.exe 11->15         started        18 Image009.exe 11->18         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 20 explorer.exe 15->20 injected process9 dnsIp10 35 www.shoptruongstar.info 188.114.96.7, 49758, 80 CLOUDFLARENETUS European Union 20->35 45 System process connects to network (likely due to code injection or exploit) 20->45 24 control.exe 20->24         started        signatures11 process12 signatures13 47 Self deletion via cmd delete 24->47 49 Modifies the context of a thread in another process (thread injection) 24->49 51 Maps a DLL or memory area into another process 24->51 53 Tries to detect virtualization through RDTSC time measurements 24->53 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-27 09:22:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:amdf rat spyware stealer suricata 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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
92fc621e886ad486195efe1b074a5186c27599e3dd4d71c72cae3078b8660ae2
MD5 hash:
e80503550a2aa077f62f09c7dc6be7e4
SHA1 hash:
f93e86c149eac50b611a1f9a7b59f5d81026262c
SH256 hash:
7403badec1d3d7fa7af3a3a4d2bc0330f3948ea91f96df33083a5c7f9076934c
MD5 hash:
08ccd3c3837fca2f73ae71e483975b02
SHA1 hash:
bd4101c4c165d008f7a724836b2bd3b017bdd14a
SH256 hash:
97dfa7be5e81a139d9b4381f0dc6f97ead13bb2efc58343ff5c09dc8b2c8632e
MD5 hash:
384047f0ecf1aed4944821be5b5c99df
SHA1 hash:
78287cf125fc30140dfa1d24a68962cf6ca5fc9a
SH256 hash:
c4322964e508c77509de409a50d36630fef838e38e0c0f999efe004d95032f66
MD5 hash:
8b9f6452403c23ac64c9ddd3868d8dfd
SHA1 hash:
cc02b0e247e89dfe178a85febba67ee2569e9a97
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 c4322964e508c77509de409a50d36630fef838e38e0c0f999efe004d95032f66

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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