MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e15ba8be78ecdfc804dba4fbce9e14eaef0d84ec4c9b82d5d8b109c64a566266. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments

SHA256 hash: e15ba8be78ecdfc804dba4fbce9e14eaef0d84ec4c9b82d5d8b109c64a566266
SHA3-384 hash: d61d2e3b8db1c9e05ba64814924539f5e296bf49c33bf314b02fcae68a571a45adec4d6022c147d86d671e9551d47768
SHA1 hash: d3c4dde030bcfc33c66e3a4753da01ccab190395
MD5 hash: 56390adecfa92125980762fc0e8494a7
humanhash: dakota-cup-artist-sad
File name:Scannedfile.exe
Download: download sample
Signature Formbook
File size:359'421 bytes
First seen:2023-01-28 17:22:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6Gwv4JbsquWe3Jf+vNUY88npcc90c72Z5X2uWRN:vYowvh02L8pJ0cP7
TLSH T1B47412157AF4E3A7E6A64173653B57EC2BED980150B4DA8FB32047983F31302961BB63
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 Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Scannedfile.exe
Verdict:
Malicious activity
Analysis date:
2023-01-28 17:28:12 UTC
Tags:
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
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Sending a custom TCP request
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Searching for synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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)
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 793557 Sample: Scannedfile.exe Startdate: 28/01/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Multi AV Scanner detection for domain / URL 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 5 other signatures 2->39 9 Scannedfile.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\vmkhea.exe, PE32 9->25 dropped 12 vmkhea.exe 9->12         started        process5 signatures6 51 Multi AV Scanner detection for dropped file 12->51 53 Detected unpacking (changes PE section rights) 12->53 55 Maps a DLL or memory area into another process 12->55 15 vmkhea.exe 12->15         started        process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 5 1 15->18 injected process9 dnsIp10 27 www.cagadmin.com 212.23.5.205, 49700, 49701, 80 ZEN-ASZenInternet-UKGB United Kingdom 18->27 29 americahaseverything.com 108.179.252.52, 49694, 49695, 80 UNIFIEDLAYER-AS-1US United States 18->29 31 14 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 cmd.exe 13 18->22         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 22->43 45 Tries to harvest and steal browser information (history, passwords, etc) 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2023-01-25 11:42:10 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
30 of 39 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dcn0 rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Unpacked files
SH256 hash:
6fb3515c15daada5ecdb6194a69cc199a68e378ed018e2423d9e2ce2ef6d9493
MD5 hash:
3d5e5048fd971cf530cd06128c0d488c
SHA1 hash:
1d9563e53c7982db06037ae22160e2fbaa9b8243
Detections:
XLoader win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
42571754dcc7501f6aff155ce4db9c38dd55937bffdc8ce54dfb21900ce9fce6
MD5 hash:
319fd9ed786bd8638c6455806386d20e
SHA1 hash:
ac84ea9a8ccb1b977e758f3be0ed6ad0105d3891
SH256 hash:
c897b24ede9abc850982db93be1b048365856aee09564427b856706b4d03467c
MD5 hash:
9fdbc5d40969ccc25817337e6c07421e
SHA1 hash:
3461204d292e37aef9564d290b6d2ed3f895b202
SH256 hash:
e15ba8be78ecdfc804dba4fbce9e14eaef0d84ec4c9b82d5d8b109c64a566266
MD5 hash:
56390adecfa92125980762fc0e8494a7
SHA1 hash:
d3c4dde030bcfc33c66e3a4753da01ccab190395
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe e15ba8be78ecdfc804dba4fbce9e14eaef0d84ec4c9b82d5d8b109c64a566266

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments