MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a891f05ccb7ae90f90914f8238e754aadb4cfc16d19231a99efd1e09e244064. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 7a891f05ccb7ae90f90914f8238e754aadb4cfc16d19231a99efd1e09e244064
SHA3-384 hash: bc80a1cd34eed00e6b0005687978dce7ad6d77b7bb20e6d062b8b65bec9793b91e04b67dfbefc4bc8a32ac71011e493b
SHA1 hash: a95af810d90391c2e5ae948bb640cc389160a128
MD5 hash: 773d5b377d39056d47f6b346816b145c
humanhash: paris-missouri-harry-tango
File name:QUOTE REQUEST _ref(0112)_Pdf__.exe
Download: download sample
Signature Formbook
File size:1'082'368 bytes
First seen:2022-10-18 13:17:55 UTC
Last seen:2022-10-18 15:04:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:kMxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxNussEh/yUCj:tFFCDgUq/w/WFdj
TLSH T189356BB626D41657E42972B58193E1F322FB6E106411E1CB58C31FAFBC902BBE51734B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 1031ccc4ccccaa10 (14 x Loki, 12 x SnakeKeylogger, 11 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Unauthorized injection to a system process
Gathering data
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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 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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 725386 Sample: QUOTE REQUEST _ref(0112)_Pd... Startdate: 18/10/2022 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 8 other signatures 2->41 8 QUOTE REQUEST _ref(0112)_Pdf__.exe 3 2->8         started        process3 file4 23 C:\...\QUOTE REQUEST _ref(0112)_Pdf__.exe.log, ASCII 8->23 dropped 11 QUOTE REQUEST _ref(0112)_Pdf__.exe 8->11         started        14 QUOTE REQUEST _ref(0112)_Pdf__.exe 8->14         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 11->51 53 Maps a DLL or memory area into another process 11->53 55 Sample uses process hollowing technique 11->55 57 Queues an APC in another process (thread injection) 11->57 16 explorer.exe 11->16 injected process7 dnsIp8 25 www.horizonarena.com 81.17.18.198, 49697, 49698, 80 PLI-ASCH Switzerland 16->25 27 www.suttazet.com 162.0.228.17, 49699, 49700, 80 NAMECHEAP-NETUS Canada 16->27 29 www.lei-solutions.co.uk 199.59.243.222, 49696, 80 BODIS-NJUS United States 16->29 31 System process connects to network (likely due to code injection or exploit) 16->31 33 Uses netsh to modify the Windows network and firewall settings 16->33 20 netsh.exe 13 16->20         started        signatures9 process10 signatures11 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-18 02:24:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o6ho 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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Gathering data
Unpacked files
SH256 hash:
d30dcab8f4c2f46b0c0ba4ba31dd87a18bea3b7159992de18d5b819411b832c7
MD5 hash:
b8492da9231f3b994ce855d9f5f3134a
SHA1 hash:
be4efb9458ffc1f9a14ac2960d607c9a9603d953
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
a0998b14f1cb5cadb26a6c966b50cdef03c32e9479ea9b59d352326eeb2c82ae
MD5 hash:
516baa2f79e506963998997c1eed921d
SHA1 hash:
0e4e4b806369043f2cc0476e1c922143e2d9abfa
SH256 hash:
8f176e20dbe77aa00b3ebebbde93bb016bec97f7db67b24c89e706d5e84f1e0c
MD5 hash:
afcbf30bf90bee3fc226225aff95f63a
SHA1 hash:
9131a9210127ae1b38c3458a609ec7ebd201f169
SH256 hash:
fb06dfadb3ce326301b419383968ee68b55071fc9b452c6ac71a10f226cfee4c
MD5 hash:
9de1af829dd8591f0e77a6b1ee28c2a8
SHA1 hash:
2484519a2bb7ab5ca307ce72a4d5af3ec4bdb2ae
SH256 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
7a891f05ccb7ae90f90914f8238e754aadb4cfc16d19231a99efd1e09e244064
MD5 hash:
773d5b377d39056d47f6b346816b145c
SHA1 hash:
a95af810d90391c2e5ae948bb640cc389160a128
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 7a891f05ccb7ae90f90914f8238e754aadb4cfc16d19231a99efd1e09e244064

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments