MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d68fa1001c7c79b3a4c142875ded35be6b07025eabe4b6ad576c1c3d11054ac8. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: d68fa1001c7c79b3a4c142875ded35be6b07025eabe4b6ad576c1c3d11054ac8
SHA3-384 hash: a9c88eb207f2646ca36612b35b8d401faa32838cac9ce1257ec37a1fa5c3f6de823bbb623d8f92900dab0551cfd7cb18
SHA1 hash: bb259408c7e34679a73389a87bea7a5aebfafece
MD5 hash: 4c5903eb4a5bb90549d95a65df83c607
humanhash: gee-nine-indigo-mirror
File name:4c5903eb4a5bb90549d95a65df83c607.exe
Download: download sample
Signature Formbook
File size:384'184 bytes
First seen:2022-07-05 12:07:20 UTC
Last seen:2022-07-05 13:04:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:jHGStcllTbcz30z2hWRiY8UQieOpl6DCLysmdeyL71Hq:qSSlp23WiZUQiNl6DCLyrK
TLSH T1BF84BF67768D9B5CC7088A71B0B2463117B5EF532633CB01B8C8FF2D0A713AD2A466D9
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6ccccc9cc4d8e8f4 (41 x Formbook, 34 x AgentTesla, 3 x AveMariaRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay 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 method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 submitted file
Performs DNS queries to domains with low reputation
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 657500 Sample: bAmM86OK2c.exe Startdate: 05/07/2022 Architecture: WINDOWS Score: 100 32 www.bienvenidomiami.com 2->32 34 www.winnerjourney.com 2->34 36 bienvenidomiami.com 2->36 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->52 54 5 other signatures 2->54 11 bAmM86OK2c.exe 1 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\bAmM86OK2c.exe.log, ASCII 11->30 dropped 66 Writes to foreign memory regions 11->66 68 Allocates memory in foreign processes 11->68 70 Injects a PE file into a foreign processes 11->70 72 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->72 15 cvtres.exe 11->15         started        signatures6 process7 signatures8 74 Modifies the context of a thread in another process (thread injection) 15->74 76 Maps a DLL or memory area into another process 15->76 78 Sample uses process hollowing technique 15->78 80 2 other signatures 15->80 18 explorer.exe 15->18 injected process9 dnsIp10 38 www.gfgoldgroup.com 208.91.197.91, 49832, 49833, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 18->38 40 www.crossfitlaquila.com 199.59.243.220, 49878, 49879, 80 BODIS-NJUS United States 18->40 42 3 other IPs or domains 18->42 56 System process connects to network (likely due to code injection or exploit) 18->56 58 Performs DNS queries to domains with low reputation 18->58 22 wlanext.exe 12 18->22         started        signatures11 process12 dnsIp13 44 www.gfgoldgroup.com 22->44 46 www.crossfitlaquila.com 22->46 60 Modifies the context of a thread in another process (thread injection) 22->60 62 Maps a DLL or memory area into another process 22->62 64 Tries to detect virtualization through RDTSC time measurements 22->64 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-05 08:56:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
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:formbook family:xloader campaign:n8it 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
Adds Run key to start application
Reads user/profile data of web browsers
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
d68fa1001c7c79b3a4c142875ded35be6b07025eabe4b6ad576c1c3d11054ac8
MD5 hash:
4c5903eb4a5bb90549d95a65df83c607
SHA1 hash:
bb259408c7e34679a73389a87bea7a5aebfafece
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_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT
Rule name:meth_get_eip
Author:Willi Ballenthin
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.

Web download

Formbook

Executable exe d68fa1001c7c79b3a4c142875ded35be6b07025eabe4b6ad576c1c3d11054ac8

(this sample)

  
Delivery method
Distributed via web download

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