MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ac0d32f2c164f00048bf818f43ed4160be02cc98ec66c810d043fc77fc70929. 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 3 File information Comments

SHA256 hash: 5ac0d32f2c164f00048bf818f43ed4160be02cc98ec66c810d043fc77fc70929
SHA3-384 hash: a4f628e522eed12a7681d48ba1da3bbd8805ec9a00c88d754a2b6122faccc58aaca2ab3786cf89283c03a1a64ded7b1d
SHA1 hash: ee248ba90ef89446723d2e351179eb94667a0c5c
MD5 hash: 42ff031f633bfe860ef4e88115d099af
humanhash: beer-island-papa-jersey
File name:42ff031f633bfe860ef4e88115d099af.exe
Download: download sample
Signature Formbook
File size:752'640 bytes
First seen:2023-08-17 19:25:54 UTC
Last seen:2023-08-17 19:33:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:5ZnDBtz9CWS7XJZ4bodSjh+xyt9t39ZFhABUb2zlTA8cImn0AS:5XtJ5AAodqkg38BUCliINAS
TLSH T14BF4C06632FC06ABE03F80B696242502DF7395BB6166E6C5BCCE12E59F86F411607F13
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 006868cccc686800 (8 x AgentTesla, 4 x Formbook, 1 x DarkCloud)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
282
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
BID-758472938.doc
Verdict:
Malicious activity
Analysis date:
2023-08-16 05:51:53 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1293102 Sample: udEvgI8oAR.exe Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 7 other signatures 2->44 10 udEvgI8oAR.exe 3 2->10         started        process3 signatures4 52 Tries to detect virtualization through RDTSC time measurements 10->52 13 udEvgI8oAR.exe 10->13         started        process5 signatures6 54 Modifies the context of a thread in another process (thread injection) 13->54 56 Maps a DLL or memory area into another process 13->56 58 Sample uses process hollowing technique 13->58 60 Queues an APC in another process (thread injection) 13->60 16 explorer.exe 5 1 13->16 injected process7 dnsIp8 28 www.theroofer.lat 64.190.62.22, 49774, 80 NBS11696US United States 16->28 30 khoyr.com 113.23.169.119, 49783, 80 EXTREMEBB-AS-MYExtremeBroadband-TotalBroadbandExperien Malaysia 16->30 32 10 other IPs or domains 16->32 36 System process connects to network (likely due to code injection or exploit) 16->36 20 mstsc.exe 12 16->20         started        signatures9 process10 dnsIp11 34 www.gaoxiba150.com 20->34 46 Modifies the context of a thread in another process (thread injection) 20->46 48 Maps a DLL or memory area into another process 20->48 50 Tries to detect virtualization through RDTSC time measurements 20->50 24 cmd.exe 1 20->24         started        signatures12 process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-08-16 06:29:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oy30 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
ac8768f08b9495e7023b01546679be265510f5c2512d8bc2174d846eaeb379ab
MD5 hash:
4fafab18430d6a314b9e90797d939a72
SHA1 hash:
d3a649f6f6d72cf7416b325b6ff2f0f6aa1fd312
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
06037d2f954de676af11b64368e9c94f1601907e0117f0057a143d148dead953
MD5 hash:
d5cda1b2eb4ea8238226108d1f03a29f
SHA1 hash:
5890711331f985609650e9386a419be2fbc51476
SH256 hash:
b26a7e88c2fc5a6dbf3e1f5d8ac59c4579b3b9047f462c5cb7ee79548fa18da9
MD5 hash:
06dc1333af7361fb9ebebe5c4dbe58e4
SHA1 hash:
1adadf881904c5370e96c0a566085cf3c83ca8d0
SH256 hash:
5ac0d32f2c164f00048bf818f43ed4160be02cc98ec66c810d043fc77fc70929
MD5 hash:
42ff031f633bfe860ef4e88115d099af
SHA1 hash:
ee248ba90ef89446723d2e351179eb94667a0c5c
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:NET
Author:malware-lu
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 5ac0d32f2c164f00048bf818f43ed4160be02cc98ec66c810d043fc77fc70929

(this sample)

  
Delivery method
Distributed via web download

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