MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f7f9da912054d67fe208a590cfb2978bd6b6d28afd6ff60a191e955dd104ec1. 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 11 File information Comments

SHA256 hash: 9f7f9da912054d67fe208a590cfb2978bd6b6d28afd6ff60a191e955dd104ec1
SHA3-384 hash: 9d56202a1a46fdcf250b9ad3a4e071efbbb3ecbdd8ef5e8c355a4f0567789b64088a81050de60c9581dc7d8d70bc65fc
SHA1 hash: 139c7e51a50b00660e59c7f25cc6212d0efb35a3
MD5 hash: acb6eabda1756c3bc4e6a7d8da483421
humanhash: utah-papa-lake-solar
File name:e-dekont.exe
Download: download sample
Signature Formbook
File size:331'410 bytes
First seen:2023-09-29 11:26:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9dda1a1d1f8a1d13ae0297b47046b26e (64 x Formbook, 39 x GuLoader, 22 x RemcosRAT)
ssdeep 6144:BnPdudwDs9Tli2DJIv3hbguVtvyLX02DCRe3BBs8Tt21CqAY7wTChGSUigbgV:BnPdwzi2Dqf+u+Egv5QnkTS/Hl
Threatray 2'165 similar samples on MalwareBazaar
TLSH T19D64135576B1C4F3E8B21A30A8FA411A1AFDE64658B0FF5703E0F65E7D232A0DC19762
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
283
Origin country :
NL NL
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
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Likely Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
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, NSISDropper
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1316448 Sample: e-dekont.exe Startdate: 29/09/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 9 other signatures 2->53 11 e-dekont.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\Temp\gwhef.exe, PE32 11->31 dropped 14 gwhef.exe 11->14         started        process5 signatures6 63 Multi AV Scanner detection for dropped file 14->63 65 Machine Learning detection for dropped file 14->65 67 Maps a DLL or memory area into another process 14->67 69 Tries to detect virtualization through RDTSC time measurements 14->69 17 gwhef.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 1 1 17->20 injected process9 dnsIp10 33 www.jrys117.top 107.148.18.27, 49822, 80 PEGTECHINCUS United States 20->33 35 shops.myshopify.com 23.227.38.74, 49858, 80 CLOUDFLARENETUS Canada 20->35 37 17 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 cmstp.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.InjectorX
Status:
Malicious
First seen:
2023-09-28 21:57:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:k13s rat spyware stealer trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
df1ffbe977961f65039b1dcaa0d9745fc9e9643d029a1605c25103d522dce6bf
MD5 hash:
4f47b31b211a2a78709ab546bd21d9ea
SHA1 hash:
771f8d44db2df88787e5a0615ff0f52843b9b045
SH256 hash:
9f7f9da912054d67fe208a590cfb2978bd6b6d28afd6ff60a191e955dd104ec1
MD5 hash:
acb6eabda1756c3bc4e6a7d8da483421
SHA1 hash:
139c7e51a50b00660e59c7f25cc6212d0efb35a3
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information


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

Malspam

Formbook

Executable exe 9f7f9da912054d67fe208a590cfb2978bd6b6d28afd6ff60a191e955dd104ec1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments