MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c61a915c345d7574f2730043bc34dbed169ccc9041205546bab4e60d5c0f21e1. 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: 13


Intelligence 13 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c61a915c345d7574f2730043bc34dbed169ccc9041205546bab4e60d5c0f21e1
SHA3-384 hash: 7ea6d212dd50a198083d5719ee0f666ce68f7088559fb5261b0c53e419a0d12405facb9f5e4c0f2a211230f19c6ffe29
SHA1 hash: 8e617028809fb303b9634e264ae6b8c1508f33c3
MD5 hash: dcc2e9422f388e3ee41f1b3a6aad8729
humanhash: lima-london-one-lamp
File name:Zahlungsbestätigung.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:313'316 bytes
First seen:2022-03-10 10:15:31 UTC
Last seen:2022-03-10 11:40:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGizIg5U7Hx7/erZ6h6YcetJsI7dvexqVKiqwB6KpB+LVO:P367YM6l7kZeouDZLVO
TLSH T1736422494AD0F57BF6D288B300F76726E3B2A596029741236F528F7B39B51836D2C2D3
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:DEU exe FormBook geo

Intelligence

File Origin
# of uploads :
2
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/249092/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.1.23365.11007.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching the process to change network settings
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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
Link:
https://www.filescan.io/uploads/6229cfe6dfdfa8501c856fea/reports/c61f8a14-d724-4da3-bc11-9d0e50c48a3e/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c1fa3da-88e9-4382-bc75-4fd53e6e8789
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/954115
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 586594 Sample: Zahlungsbest#U00e4tigung.exe Startdate: 10/03/2022 Architecture: WINDOWS Score: 100 34 www.deteccion.online 2->34 36 store-images.s-microsoft.com 2->36 38 parkingsrv0.dondominio.com 2->38 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 4 other signatures 2->58 12 Zahlungsbest#U00e4tigung.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\pvgijypfz.exe, PE32 12->32 dropped 15 pvgijypfz.exe 12->15         started        process6 signatures7 68 Tries to detect virtualization through RDTSC time measurements 15->68 18 pvgijypfz.exe 15->18         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 21 explorer.exe 18->21 injected process10 dnsIp11 40 www.spoluprehlohovec.online 37.9.175.21, 49786, 80 WEBSUPPORT-SRO-SK-ASSK Slovakia (SLOVAK Republic) 21->40 42 www.installationart.online 21->42 60 System process connects to network (likely due to code injection or exploit) 21->60 25 chkdsk.exe 21->25         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 25->62 64 Maps a DLL or memory area into another process 25->64 66 Tries to detect virtualization through RDTSC time measurements 25->66 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c61a915c345d7574f2730043bc34dbed169ccc9041205546bab4e60d5c0f21e1/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-03-10 10:16:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yynjcxbulv2xj4ttabb3yng35uljzteqieqfkrv2wtta2xapehqq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o09u rat spyware stealer trojan
Link:
https://tria.ge/reports/220310-mavbnseeg9/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
c61a915c345d7574f2730043bc34dbed169ccc9041205546bab4e60d5c0f21e1
MD5 hash:
dcc2e9422f388e3ee41f1b3a6aad8729
SHA1 hash:
8e617028809fb303b9634e264ae6b8c1508f33c3
Link:
https://www.unpac.me/results/ba12eb94-270b-451b-b8a6-bef775717651/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c61a915c345d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/c61a915c345d7574f2730043bc34dbed169ccc9041205546bab4e60d5c0f21e1

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/249092/

Comments