MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 210a555fe6605921805e7c4772dfed9c99d5054f618fcc3024a06c725f0d4e4f. 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 4 File information Comments

SHA256 hash: 210a555fe6605921805e7c4772dfed9c99d5054f618fcc3024a06c725f0d4e4f
SHA3-384 hash: 84c14d7e489a843982395a75cda010eeb9ed0e076bf66015b8c2cae2317483fb207e3bef5f44629c45d5d1cf25eb368a
SHA1 hash: f11cd04fcb5f5a4678768805136c04130987ebe9
MD5 hash: 9ff8021ddfa8cf66117fdb9116704604
humanhash: three-echo-berlin-sixteen
File name:StockLists.PDF.exe
Download: download sample
Signature Formbook
File size:454'656 bytes
First seen:2022-06-13 06:44:40 UTC
Last seen:2022-06-13 07:59:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:mxuBafvIKLAkhI3RzlwkDXMkaVnbrUx6wlHHDc+BUB:mxpfLhQCkyVnbQkwRDB+B
TLSH T1F8A42329E57A06B3CDBE4BBE997220480B79B59E5426FBDA0F4230FA0F557850101E7F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0022a3a2b8a6e610 (16 x Formbook, 7 x AgentTesla, 6 x Loki)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
StockLists.PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-06-14 00:21:18 UTC
Tags:
formbook 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 window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 644259 Sample: StockLists.PDF.exe Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected AntiVM3 2->40 42 6 other signatures 2->42 10 StockLists.PDF.exe 3 2->10         started        process3 file4 32 C:\Users\user\...\StockLists.PDF.exe.log, ASCII 10->32 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 StockLists.PDF.exe 10->14         started        17 StockLists.PDF.exe 10->17         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 19 explorer.exe 14->19 injected process8 signatures9 44 Uses netstat to query active network connections and open ports 19->44 22 NETSTAT.EXE 19->22         started        process10 signatures11 46 Modifies the context of a thread in another process (thread injection) 22->46 48 Maps a DLL or memory area into another process 22->48 50 Tries to detect virtualization through RDTSC time measurements 22->50 25 explorer.exe 122 22->25         started        28 cmd.exe 1 22->28         started        process12 dnsIp13 34 192.168.2.1 unknown unknown 25->34 30 conhost.exe 28->30         started        process14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-13 01:25:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:tdht loader persistence rat spyware stealer suricata 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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
73bde00fc7ffc2cd69219140c0d18796331ea4a2ca260d3923d5a2f8e50e4e98
MD5 hash:
a75757017df975f9ce8be31b732edbe9
SHA1 hash:
8ee392b869e8ec6643b9345b5b5a791a70a7e828
SH256 hash:
1aba3426235a0881f107a86ab4d97cfa90b25a12ee324e645f677bee91e5c597
MD5 hash:
23b96fdb863d5a342b76279d73e70f63
SHA1 hash:
81d2316e29dc41dde9a2dacf9923fbd342c3a1c0
SH256 hash:
dec15271d422cf3b82c0a94cf147312bb5a4a4f262da4b698ffe7e6bdaf18053
MD5 hash:
79c5c39e29ebe233cd13a50987e64609
SHA1 hash:
0560314716e6519158009159c017d2b52116608e
SH256 hash:
210a555fe6605921805e7c4772dfed9c99d5054f618fcc3024a06c725f0d4e4f
MD5 hash:
9ff8021ddfa8cf66117fdb9116704604
SHA1 hash:
f11cd04fcb5f5a4678768805136c04130987ebe9
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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 210a555fe6605921805e7c4772dfed9c99d5054f618fcc3024a06c725f0d4e4f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments