MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b45727ae20ab730d46364654b46ad162a7e815ed9631f7da270cd153b1ede345. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b45727ae20ab730d46364654b46ad162a7e815ed9631f7da270cd153b1ede345
SHA3-384 hash: 8328c7a92532f368e940974a8f3867dc4dd239d505df93d95d5a09234f7f2b8f642eb80d9790e81894a3add25da37ff9
SHA1 hash: 2c777aeb8422d929a3e45c5dd51397107fda4820
MD5 hash: 6757d27447fab5e28926c7de691cd9c6
humanhash: november-avocado-eleven-georgia
File name:SecuriteInfo.com.Win32.PWSX-gen.4498.17571
Download: download sample
Signature Formbook
Create hunting rule
File size:873'472 bytes
First seen:2022-12-22 18:30:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:ZPxb/aK8dAAsTIuCIXDEPNPKAaMBnbH80:Zh4WAsTF1XgJK1MBn
TLSH T19B05D01703882920F6B3157E559B3F859470EA4FA9A2EFAC0523ED73F8E11D65EC4D0A
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.4498.17571
Verdict:
No threats detected
Analysis date:
2022-12-22 18:33:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1fe564ed-619e-4b4a-acff-c8bcc1dd800a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/349122/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.4498.17571.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63a4a26c5be120c404ee9fa0/reports/c3bd6d28-3054-4145-8626-d7a34a3b9b59/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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/42699d18-e309-436d-864d-36393a2ec459
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1139525
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 772255 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 22/12/2022 Architecture: WINDOWS Score: 100 47 www.dcxioax.online 2->47 55 Snort IDS alert for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus detection for URL or domain 2->59 61 7 other signatures 2->61 9 rsCnXweYSyWK.exe 5 2->9         started        12 SecuriteInfo.com.Win32.PWSX-gen.4498.17571.exe 7 2->12         started        signatures3 process4 file5 71 Multi AV Scanner detection for dropped file 9->71 73 Machine Learning detection for dropped file 9->73 75 Injects a PE file into a foreign processes 9->75 15 rsCnXweYSyWK.exe 9->15         started        18 schtasks.exe 1 9->18         started        39 C:\Users\user\AppData\...\rsCnXweYSyWK.exe, PE32 12->39 dropped 41 C:\Users\...\rsCnXweYSyWK.exe:Zone.Identifier, ASCII 12->41 dropped 43 C:\Users\user\AppData\Local\...\tmp3662.tmp, XML 12->43 dropped 45 SecuriteInfo.com.W....4498.17571.exe.log, ASCII 12->45 dropped 77 Uses schtasks.exe or at.exe to add and modify task schedules 12->77 79 Adds a directory exclusion to Windows Defender 12->79 20 powershell.exe 21 12->20         started        22 schtasks.exe 1 12->22         started        24 SecuriteInfo.com.Win32.PWSX-gen.4498.17571.exe 12->24         started        signatures6 process7 signatures8 83 Modifies the context of a thread in another process (thread injection) 15->83 85 Maps a DLL or memory area into another process 15->85 87 Sample uses process hollowing technique 15->87 89 Queues an APC in another process (thread injection) 15->89 26 explorer.exe 15->26 injected 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        process9 dnsIp10 49 friends-bk.biz 49.212.207.231, 49725, 49727, 49728 SAKURA-CSAKURAInternetIncJP Japan 26->49 51 www.hoteltesorobeach.com 35.208.214.166, 49724, 80 GOOGLE-2US United States 26->51 53 www.friends-bk.biz 26->53 81 System process connects to network (likely due to code injection or exploit) 26->81 36 cscript.exe 13 26->36         started        signatures11 process12 signatures13 63 Tries to steal Mail credentials (via file / registry access) 36->63 65 Tries to harvest and steal browser information (history, passwords, etc) 36->65 67 Modifies the context of a thread in another process (thread injection) 36->67 69 Maps a DLL or memory area into another process 36->69
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b45727ae20ab730d46364654b46ad162a7e815ed9631f7da270cd153b1ede345/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2022-12-22 12:55:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wrlsplravnzq2rrwizkli2wrmkt6qfpnsyy7pwrhbtivhmpn4ncq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/221222-w52hxaab3y/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e8e6e6f4-5640-49d1-be68-8eb7d4a15117
Unpacked files
SH256 hash:
d879ae170f43289bc419663f01778eb303894e9dcaa0e7a0c5dcb36726d24c3c
MD5 hash:
e034e5b7c5fde31169b2f73c7ad1a111
SHA1 hash:
e1d67fca3d02c8c8c6621caf529bb7ece6577c51
Detections:
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/a44ba15c-c211-4453-962b-858adf0710f6/
Parent samples :
dc15767e2e5c4974c34576284c24ddc5ecc8d404bb4924b727b0a10f7d95355a
b3ed34a29e5f12e26bb2187af89fbca79454c460674ad4fe727f475bbfee6d6b
fccf57db9ef1edb43daabe262bc2bca44423ac7beab6249ceba5f87d0d15f97f
64e04b8bc093e2dbc49cd2ed382369a4ec0c78de9054cb8f747137c578a941e3
b45727ae20ab730d46364654b46ad162a7e815ed9631f7da270cd153b1ede345
SH256 hash:
dfe2236879bca7be7a9a4ac93e55ba41d2086684b2d984eb13ed9b34268b4818
MD5 hash:
5b6aedc81797eb66ae0fe0c9da536401
SHA1 hash:
5286ff02ac87f37537d4972ef0b51fae03223753
Link:
https://www.unpac.me/results/a44ba15c-c211-4453-962b-858adf0710f6/
SH256 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
Link:
https://www.unpac.me/results/a44ba15c-c211-4453-962b-858adf0710f6/
SH256 hash:
d04de6b7d2ef516f44b114be1528a17d1bc16626d6b297c02c0b39d0f9b3e77e
MD5 hash:
afb91e672a2a8cf94018c66a42c88bc3
SHA1 hash:
bb80466391fa5d25b786bfa9a479d407711054e1
Link:
https://www.unpac.me/results/a44ba15c-c211-4453-962b-858adf0710f6/
SH256 hash:
3901a41bd481ed7aea6b382c59711598832d860ef18bc35c8233f83c8c5e0ed0
MD5 hash:
125d248a1b8c96aa56314ae0c4ee2b51
SHA1 hash:
34fb477970722f0e39541827b7646b9cdcfbdec6
Link:
https://www.unpac.me/results/a44ba15c-c211-4453-962b-858adf0710f6/
SH256 hash:
499bbd1f56417de885a7a64526165b616f310722de704d49c0a5c6376b360123
MD5 hash:
4f55224efdee095ab5a546af052ab030
SHA1 hash:
11fa16bf37ef46963c90ba97acaf31b586e304ef
Link:
https://www.unpac.me/results/a44ba15c-c211-4453-962b-858adf0710f6/
SH256 hash:
b45727ae20ab730d46364654b46ad162a7e815ed9631f7da270cd153b1ede345
MD5 hash:
6757d27447fab5e28926c7de691cd9c6
SHA1 hash:
2c777aeb8422d929a3e45c5dd51397107fda4820
Link:
https://www.unpac.me/results/a44ba15c-c211-4453-962b-858adf0710f6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b45727ae20ab/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b45727ae20ab730d46364654b46ad162a7e815ed9631f7da270cd153b1ede345

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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.

Cape
Cape
https://www.capesandbox.com/analysis/349122/

Comments