MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 154325f60d87e33962f45610a84bce0ec784d7e9bbcd584c34429b3e98b07ca7. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 154325f60d87e33962f45610a84bce0ec784d7e9bbcd584c34429b3e98b07ca7
SHA3-384 hash: c56b41dae72843912a38755406d74f3a12f7f4341bf0d654c8ebf191ffc32c0f5421650c9749268a871aa5a14a845db2
SHA1 hash: f1f7003ade31f1ff5561641937ae67c050307a5a
MD5 hash: 32f1660ec3505cc21e07debc0888b516
humanhash: stream-whiskey-carbon-cardinal
File name:Document#0895SEA.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:561'152 bytes
First seen:2022-06-28 15:17:46 UTC
Last seen:2022-06-28 15:40:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:Yn7Dsl4xwwsQuXqB00iKxL/5//RZBgwB:UAl9BX6vxxL/5DBg
Threatray 17'383 similar samples on MalwareBazaar
TLSH T185C402505EC2EF9BE0265A7375F0107017B9279B1C37D86E8A9EB5E1D1B278360039EE
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 72ceaeaeb2968eaa (57 x AgentTesla, 9 x Formbook, 7 x RemcosRAT)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/283975/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/62bb1be8197c837506cc5747/reports/c87f3a76-9171-47ef-a2cb-05f3913dff65/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/79860708-7ab0-4ff1-badc-4b29dbd4c782
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1021325
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 653821 Sample: Document#0895SEA.pdf.exe Startdate: 28/06/2022 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 13 other signatures 2->55 9 Document#0895SEA.pdf.exe 7 2->9         started        process3 file4 41 C:\Users\user\AppData\...\uHzVSgRxca.exe, PE32 9->41 dropped 43 C:\Users\...\uHzVSgRxca.exe:Zone.Identifier, ASCII 9->43 dropped 45 C:\Users\user\AppData\Local\...\tmpB223.tmp, XML 9->45 dropped 47 C:\Users\...\Document#0895SEA.pdf.exe.log, ASCII 9->47 dropped 63 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->63 65 Uses schtasks.exe or at.exe to add and modify task schedules 9->65 67 Adds a directory exclusion to Windows Defender 9->67 69 2 other signatures 9->69 13 Document#0895SEA.pdf.exe 9->13         started        16 powershell.exe 24 9->16         started        18 powershell.exe 25 9->18         started        20 schtasks.exe 9->20         started        signatures5 process6 signatures7 71 Modifies the context of a thread in another process (thread injection) 13->71 73 Maps a DLL or memory area into another process 13->73 75 Sample uses process hollowing technique 13->75 77 Queues an APC in another process (thread injection) 13->77 22 cmd.exe 13->22         started        25 explorer.exe 13->25 injected 27 conhost.exe 16->27         started        29 conhost.exe 18->29         started        31 conhost.exe 20->31         started        process8 signatures9 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 33 cmd.exe 22->33         started        35 explorer.exe 22->35         started        37 autofmt.exe 25->37         started        process10 process11 39 conhost.exe 33->39         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/154325f60d87e33962f45610a84bce0ec784d7e9bbcd584c34429b3e98b07ca7/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2022-06-28 09:58:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 40 (47.50%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cvbsl5qnq7rtsyxukyikqs6ob3dyjv7jxpgvqtbuiknt5gfqpstq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
44dc06aa721890ac132139234338f8d5a04a10994e462df08c7c43212f7c2bdf
Formbook
4d3e4660aa4786dc407247255a54d403de68626337bbb814b14253838d5c075c
Formbook
577fb88c1647462cc74134947f959c3ab64519ef0d94c87c241a17acbbdfb3c3
Formbook
cf6f665f23b44c9c347fc9d3fbb3f6b3ccf3ab82366959437213ad77346e757d
Formbook
dd343e8e8564f63c03e29e51e23e4181817e37f8203f4ec5a8abb9f6ca21a7bf
Formbook
e7cd53e425aaa484ba9ee437346ab9e94f7bf5e944621d9644fae69f2ea33f38
Formbook
f88c6f7beb3b21dc8b8a53244aa7bbf000981929b5bb30db3acec409b6cb486a
Formbook
+ 17'373 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:n8it evasion loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220628-spms2acaf6/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Reads user/profile data of web browsers
Executes dropped EXE
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
05a8ab9bfc1a265caeb257b4edee8feb7a5b3b653e6acb0f40bec9b1f15dd932
MD5 hash:
1d49791abb6a5558c95ddfa97fc2d205
SHA1 hash:
f525de3dceb15a4916c117638e82bc594c33fe4e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
XLoader
Create hunting rule
Link:
https://www.unpac.me/results/500bfda6-a00e-472f-94c3-4128903ea527/
Parent samples :
1cbd3337b16b5bc9cf9a448349daf9b7d1667bc689d992af9d15c5af950852f9
154325f60d87e33962f45610a84bce0ec784d7e9bbcd584c34429b3e98b07ca7
d68fa1001c7c79b3a4c142875ded35be6b07025eabe4b6ad576c1c3d11054ac8
e6ced08f9d33a491dbfd37d5a8d81766fa63dda41f619eb8c7edb0ed3116047a
64b9f04e500e377972f23c923e678d2d3ec4aecc42d0634de4e09570b1d58d35
SH256 hash:
0aa8ea56f670ef5041fe87ee1a27b6623c2cf7996ed489214aa076996ca40cac
MD5 hash:
faf84cab64260654988db2f9157f8f89
SHA1 hash:
e1e6ebeaf252c78e74c1355cdefc6a2c52cfab70
Link:
https://www.unpac.me/results/500bfda6-a00e-472f-94c3-4128903ea527/
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/500bfda6-a00e-472f-94c3-4128903ea527/
SH256 hash:
b0029c9252562010060706072c07a9e4f7e0fcdcb5cec615d80515c217adf311
MD5 hash:
911bc3ff863e5c2dd50b090f51419573
SHA1 hash:
57215408fb2456fdb67ebbeb2773b1df974b13d7
Link:
https://www.unpac.me/results/500bfda6-a00e-472f-94c3-4128903ea527/
SH256 hash:
47e9462168405ee9fd0687f2cff8245c59d84352a8659fab1876572e83d04f59
MD5 hash:
71cd0a8fe1787e06c7e807acd3b517db
SHA1 hash:
366db79abcb027c538b16acab914fe3d682aeef0
Link:
https://www.unpac.me/results/500bfda6-a00e-472f-94c3-4128903ea527/
SH256 hash:
154325f60d87e33962f45610a84bce0ec784d7e9bbcd584c34429b3e98b07ca7
MD5 hash:
32f1660ec3505cc21e07debc0888b516
SHA1 hash:
f1f7003ade31f1ff5561641937ae67c050307a5a
Link:
https://www.unpac.me/results/500bfda6-a00e-472f-94c3-4128903ea527/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/154325f60d87/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/154325f60d87e33962f45610a84bce0ec784d7e9bbcd584c34429b3e98b07ca7

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 154325f60d87e33962f45610a84bce0ec784d7e9bbcd584c34429b3e98b07ca7

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/283975/

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