MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f309a5ac633edcbd01916f6bc4cfd10d90982f0443b57e19a5828fd70e83ce10. 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 File information Comments 1

SHA256 hash: f309a5ac633edcbd01916f6bc4cfd10d90982f0443b57e19a5828fd70e83ce10
SHA3-384 hash: 43a583995c33ba7fbd8e123713a6eca68c42ce2056abdc0a77a02c46c0172905d180251397837a459ed7d5a02aef4b8f
SHA1 hash: fe95b21578007c76d973c30ec26ed18aef0b5597
MD5 hash: 7624e6fc50195fa8bc4e5bd0da55bc78
humanhash: south-fifteen-potato-connecticut
File name:7624e6fc50195fa8bc4e5bd0da55bc78
Download: download sample
Signature Formbook
File size:442'918 bytes
First seen:2022-12-13 15:59:06 UTC
Last seen:2022-12-13 18:40:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 6144:ukwkDeTURwgORE8KNAbcA/nVhSw+a6W54LRxW84+lYY0O79QQIGqqu01:PD8owgORE8KkVhSNa6jf4XwC73qj
TLSH T16F944A26ED3C6469C818EA392881C3396ED0DE825E31661F21D47FDB3B376597CE4287
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 71e8cccc8e96ccc8 (2 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.RTF.CVE_2017_11882.BOR.Exploit.2456.27294
Verdict:
Malicious activity
Analysis date:
2022-12-13 14:30:46 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Searching for synchronization primitives
Reading critical registry keys
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook 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 dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Machine Learning detection for dropped file
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 dropped file
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 766258 Sample: TK4HmqHaJ2.exe Startdate: 13/12/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 4 other signatures 2->53 11 TK4HmqHaJ2.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\ebtgolb.exe, PE32 11->31 dropped 14 ebtgolb.exe 11->14         started        process5 signatures6 65 Antivirus detection for dropped file 14->65 67 Multi AV Scanner detection for dropped file 14->67 69 Machine Learning detection for dropped file 14->69 71 2 other signatures 14->71 17 ebtgolb.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 17->20 injected process9 dnsIp10 33 www.shopnexvn.net 172.67.133.87, 49702, 80 CLOUDFLARENETUS United States 20->33 35 sunroadrunning.com 66.235.200.147, 49703, 80 CLOUDFLARENETUS United States 20->35 37 7 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Performs DNS queries to domains with low reputation 20->57 24 rundll32.exe 20->24         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-12-13 13:34:54 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:h3ha 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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
648008a948e6017c8ed34e7d5f38204095e6819eb64d9976162c7f0e26a4937f
MD5 hash:
1c6a76e879cf13c409e26f112966781b
SHA1 hash:
85f4cd8a8d7295f70d86e61ade5e846222c193e7
SH256 hash:
f309a5ac633edcbd01916f6bc4cfd10d90982f0443b57e19a5828fd70e83ce10
MD5 hash:
7624e6fc50195fa8bc4e5bd0da55bc78
SHA1 hash:
fe95b21578007c76d973c30ec26ed18aef0b5597
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.

Web download

Formbook

Executable exe f309a5ac633edcbd01916f6bc4cfd10d90982f0443b57e19a5828fd70e83ce10

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-12-13 15:59:13 UTC

url : hxxp://103.30.183.173/contal2.1.exe