MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7d2dcd22de6c9f87960fbad826eafd2a0f300a9a5844d72c39497375020ae47. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: a7d2dcd22de6c9f87960fbad826eafd2a0f300a9a5844d72c39497375020ae47
SHA3-384 hash: 99c0c17b322a0aa294e4337ae09cd99e29faee0d401b269b4a93e05d0b4fd9952fa0a727c4121e2be7eb9bde3113fe26
SHA1 hash: db94e9947718916eda1b563bc9880061e6f08021
MD5 hash: b9b2faee2f265e9c03b737507f2fe6ce
humanhash: maine-thirteen-two-jupiter
File name:Nova ozljeda 034245627782.DOC.exe
Download: download sample
Signature Formbook
File size:1'233'920 bytes
First seen:2022-06-02 05:43:00 UTC
Last seen:2022-06-03 06:14:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a8107f66db7a95bce5316821c061ae46 (2 x RemcosRAT, 2 x FormBook)
ssdeep 24576:kW0QEAAFfSLYzN6yD5xhxujQtVSn52bD/MMOd/qLklafc2m9xlG:zEfO4vSn52jOd74k9xl
TLSH T12D45AE62E3919637D7622A385C6F96A95C35FE303E68D84E3AFC2D0C5F3A3417815293
TrID 52.2% (.OCX) Windows ActiveX control (116521/4/18)
19.3% (.EXE) InstallShield setup (43053/19/16)
6.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
5.8% (.SCR) Windows screen saver (13101/52/3)
4.7% (.EXE) Win64 Executable (generic) (10523/12/4)
File icon (PE):PE icon
dhash icon e0e4a3a6a4b8b8a8 (37 x Formbook, 9 x AZORult, 9 x Loki)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
303
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Nova ozljeda 034245627782.DOC.exe
Verdict:
Malicious activity
Analysis date:
2022-06-02 05:46:30 UTC
Tags:
installer 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 synchronization primitives
Reading critical registry keys
Launching cmd.exe command interpreter
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe keylogger packed remote.exe replace.exe
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 638003 Sample: Nova ozljeda 034245627782.DOC.exe Startdate: 02/06/2022 Architecture: WINDOWS Score: 100 50 www.vulacils.com 2->50 100 Found malware configuration 2->100 102 Malicious sample detected (through community Yara rule) 2->102 104 Antivirus / Scanner detection for submitted sample 2->104 106 5 other signatures 2->106 11 Nova ozljeda 034245627782.DOC.exe 1 17 2->11         started        16 Kwxrypggfd.exe 15 2->16         started        signatures3 process4 dnsIp5 58 onedrive.live.com 11->58 60 epcfbg.am.files.1drv.com 11->60 62 am-files.fe.1drv.com 11->62 46 C:\Users\Public\Libraries\Kwxrypggfd.exe, PE32 11->46 dropped 48 C:\Users\...\Kwxrypggfd.exe:Zone.Identifier, ASCII 11->48 dropped 120 Writes to foreign memory regions 11->120 122 Allocates memory in foreign processes 11->122 124 Creates a thread in another existing process (thread injection) 11->124 18 logagent.exe 11->18         started        64 onedrive.live.com 16->64 66 epcfbg.am.files.1drv.com 16->66 68 am-files.fe.1drv.com 16->68 126 Antivirus detection for dropped file 16->126 128 Multi AV Scanner detection for dropped file 16->128 130 Injects a PE file into a foreign processes 16->130 21 logagent.exe 16->21         started        file6 signatures7 process8 signatures9 90 Uses netsh to modify the Windows network and firewall settings 18->90 92 Modifies the context of a thread in another process (thread injection) 18->92 94 Maps a DLL or memory area into another process 18->94 98 2 other signatures 18->98 23 explorer.exe 18->23 injected 27 netsh.exe 18->27         started        29 autochk.exe 18->29         started        96 Sample uses process hollowing technique 21->96 process10 dnsIp11 52 www.77777.store 103.120.80.144, 49771, 80 WEST263GO-HKWest263InternationalLimitedHK Hong Kong 23->52 54 www.segurofunerarioar.com 185.53.177.51, 49778, 80 TEAMINTERNET-ASDE Germany 23->54 56 www.herbalist101.com 154.196.10.201, 49772, 80 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 23->56 116 System process connects to network (likely due to code injection or exploit) 23->116 31 Kwxrypggfd.exe 15 23->31         started        35 cmd.exe 23->35         started        37 svchost.exe 23->37         started        118 Tries to detect virtualization through RDTSC time measurements 27->118 signatures12 process13 dnsIp14 70 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49751, 49754 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 31->70 72 onedrive.live.com 31->72 74 2 other IPs or domains 31->74 76 Writes to foreign memory regions 31->76 78 Allocates memory in foreign processes 31->78 80 Creates a thread in another existing process (thread injection) 31->80 82 Injects a PE file into a foreign processes 31->82 39 DpiScaling.exe 31->39         started        84 Modifies the context of a thread in another process (thread injection) 35->84 86 Maps a DLL or memory area into another process 35->86 88 Tries to detect virtualization through RDTSC time measurements 35->88 42 cmd.exe 1 35->42         started        signatures15 process16 signatures17 108 Modifies the context of a thread in another process (thread injection) 39->108 110 Maps a DLL or memory area into another process 39->110 112 Sample uses process hollowing technique 39->112 114 Tries to detect virtualization through RDTSC time measurements 39->114 44 conhost.exe 42->44         started        process18
Threat name:
Win32.Backdoor.NetWiredRc
Status:
Malicious
First seen:
2022-06-02 01:00:22 UTC
File Type:
PE (Exe)
Extracted files:
83
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:modiloader family:xloader campaign:euv4 loader persistence rat suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
ModiLoader Second Stage
Xloader Payload
ModiLoader, DBatLoader
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0b4b7d7628499c9d0c62562dc64f22baf5390cd32f71e0317c259511ae85b5b6
MD5 hash:
d6e8fb9c9383709a7475144fbc74cb44
SHA1 hash:
3dc32f98eb13d725511b64924730132883ad3591
SH256 hash:
a7d2dcd22de6c9f87960fbad826eafd2a0f300a9a5844d72c39497375020ae47
MD5 hash:
b9b2faee2f265e9c03b737507f2fe6ce
SHA1 hash:
db94e9947718916eda1b563bc9880061e6f08021
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: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 a7d2dcd22de6c9f87960fbad826eafd2a0f300a9a5844d72c39497375020ae47

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments