MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6fe6f3368de276315290908247bcad25225b0572b2512dae38e0a4d70d94bbe. 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 File information Comments

SHA256 hash: a6fe6f3368de276315290908247bcad25225b0572b2512dae38e0a4d70d94bbe
SHA3-384 hash: 649a2f6ae30ec90d49b0cfca4a6b52ea84d8cf1605052af0810d770bb551db265946fe7faf454e52e34d7f7d9b626b93
SHA1 hash: a3ae9ab7aa6888c8e1b3d1bba93766e397148f90
MD5 hash: 2323631fda16ce7022a60036b1af917a
humanhash: winner-lion-green-lamp
File name:IRQ2107799.exe
Download: download sample
Signature Formbook
File size:492'443 bytes
First seen:2022-02-18 14:08:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:jw1EEUEEuNZEwY7lHiOjHfbFkHKzrbmwReqPV8lHaGYrT1iCOC1LkJKRFpbuKtGl:E5Y7805kHQFPUHa/1POCGwR/v+F
TLSH T1A5A48C532F48DF43F3C55A345E6CFEA58336BB1C2BA34535E5BAB0ADB218B612907121
File icon (PE):PE icon
dhash icon cc96aed4ace896c8 (1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for the window
Launching the process to change network settings
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 574729 Sample: IRQ2107799.exe Startdate: 18/02/2022 Architecture: WINDOWS Score: 100 36 canonicalizer.ucsuri.tcs 2->36 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 4 other signatures 2->52 12 IRQ2107799.exe 19 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\wbphs.exe, PE32 12->34 dropped 15 wbphs.exe 1 12->15         started        process6 signatures7 56 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->56 58 Tries to detect virtualization through RDTSC time measurements 15->58 60 Injects a PE file into a foreign processes 15->60 18 wbphs.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 38 Modifies the context of a thread in another process (thread injection) 18->38 40 Maps a DLL or memory area into another process 18->40 42 Sample uses process hollowing technique 18->42 44 Queues an APC in another process (thread injection) 18->44 23 explorer.exe 18->23 injected process10 process11 25 explorer.exe 23->25         started        signatures12 54 Tries to detect virtualization through RDTSC time measurements 25->54 28 cmd.exe 1 25->28         started        30 explorer.exe 127 25->30         started        process13 process14 32 conhost.exe 28->32         started       
Threat name:
Win32.Trojan.Convagent
Status:
Malicious
First seen:
2022-02-18 14:09:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:wm08 rat spyware stealer trojan
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
0725db515967c6241433a9a2302a3f53bfda8e065eef70a3e7525633642d42ef
MD5 hash:
2367dc2931654d92e3f4d7132f05d4ca
SHA1 hash:
8b9ff3a4fdb30b3b30b262289b8e6da9de88279c
SH256 hash:
a6fe6f3368de276315290908247bcad25225b0572b2512dae38e0a4d70d94bbe
MD5 hash:
2323631fda16ce7022a60036b1af917a
SHA1 hash:
a3ae9ab7aa6888c8e1b3d1bba93766e397148f90
Malware family:
FormBook
Verdict:
Malicious
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 a6fe6f3368de276315290908247bcad25225b0572b2512dae38e0a4d70d94bbe

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments