MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61e52468c5bc383180a4a4400c8e703279dd83238042ff66fb07aef6e15b38f6. 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: 17


Intelligence 17 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 61e52468c5bc383180a4a4400c8e703279dd83238042ff66fb07aef6e15b38f6
SHA3-384 hash: 221ba5d73f035d6735c7f54ad9df34978a8ef451ddea567f5c3238ba6aa2adf9a4ed18f516ef7ddb9338d269bec9bcfc
SHA1 hash: 9070836c8a60cbcfcbcdd5dbcaeb25941744ab69
MD5 hash: f447bd2b732d8be76cfe10f6b86bf789
humanhash: red-ack-hotel-spaghetti
File name:PO71024.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:563'712 bytes
First seen:2024-01-09 02:01:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:rZ5rrxuzELXJUsfoxI1xyyO0uw2BH4P/fC12z1Rezgt+b:d5rVZTAxIuauwbe2/e6+b
TLSH T1D3C4124CF1918372C8B85BF9351698020B737C3F9065F5466CD9F2CBAAB2B224553EA7
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
dhash icon 0703030131050141 (15 x SnakeKeylogger, 1 x AsyncRAT, 1 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
378
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
61e52468c5bc383180a4a4400c8e703279dd83238042ff66fb07aef6e15b38f6.exe
Verdict:
Malicious activity
Analysis date:
2024-01-09 02:09:36 UTC
Tags:
evasion xworm remote
Link:
https://app.any.run/tasks/4f7cccb8-c23c-4121-aae7-08b1e697aa0d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/469955/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/659ca91a99da41ccd7cb56f7/reports/8ab02907-bbf7-4217-8476-41ecdb8c1e46/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/61e52468c5bc383180a4a4400c8e703279dd83238042ff66fb07aef6e15b38f6
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.
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fd3858cb-124d-4912-b90f-b5b14f60eb8c
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1371579
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 / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1371579 Sample: PO71024.exe Startdate: 09/01/2024 Architecture: WINDOWS Score: 100 42 ip-api.com 2->42 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 Sigma detected: Scheduled temp file as task from temp location 2->50 52 8 other signatures 2->52 8 PO71024.exe 7 2->8         started        12 TNCzwNn.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\TNCzwNn.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp5B5F.tmp, XML 8->40 dropped 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->54 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Adds a directory exclusion to Windows Defender 8->58 66 2 other signatures 8->66 14 PO71024.exe 15 2 8->14         started        18 powershell.exe 22 8->18         started        20 schtasks.exe 1 8->20         started        60 Antivirus detection for dropped file 12->60 62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 22 schtasks.exe 1 12->22         started        24 TNCzwNn.exe 12->24         started        26 TNCzwNn.exe 12->26         started        signatures6 process7 dnsIp8 44 ip-api.com 208.95.112.1, 49734, 80 TUT-ASUS United States 14->44 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->68 28 WerFault.exe 14->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 18->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/61e52468c5bc383180a4a4400c8e703279dd83238042ff66fb07aef6e15b38f6
Detection:
shortloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/61e52468c5bc383180a4a4400c8e703279dd83238042ff66fb07aef6e15b38f6/
Threat name:
Win32.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-01-09 03:47:40 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mhssi2gfxq4ddafeuraazdtqgj453azdqbbp6zx3a6xpnyk3hd3a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/240109-cf43ysbdcp/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
103.67.163.156:80
Unpacked files
SH256 hash:
d78439aa36ab2395475134acf3e03c00b246427cb0d4e5f821f55a60d0989002
MD5 hash:
09be0f796e869aa31c23c8923b45ec88
SHA1 hash:
f4abcd2e95014f5f208f93b48d769a001d830e2e
Link:
https://www.unpac.me/results/ae86576e-32a7-4a7b-af17-9e120560a769/
SH256 hash:
bd86ce67c8d77718b43a281dc9097ce53226c97fc660b8e1442e0a26ba5ebaa7
MD5 hash:
830ad8a5082c4ef910b0d2d404f9d20f
SHA1 hash:
b7c7eb20a9950a53878908d2cbc521f44e6557ed
Detections:
XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
MAL_RANSOM_COVID19_Apr20_1
Create hunting rule
Link:
https://www.unpac.me/results/ae86576e-32a7-4a7b-af17-9e120560a769/
Parent samples :
c38326b43ae382c6eb3844f0a6beb4c321d8eeceecfdf9e503032f94a650d4b4
61e52468c5bc383180a4a4400c8e703279dd83238042ff66fb07aef6e15b38f6
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
Link:
https://www.unpac.me/results/ae86576e-32a7-4a7b-af17-9e120560a769/
SH256 hash:
7f3ef4658a1b5cff1d0964a68f69d36821f8eacb079cd2f43d007897eb7ab0cb
MD5 hash:
3801a4e3937b0b8ab1f2cd8ca16e478c
SHA1 hash:
31bb63eff712380866c11e5591756df45f9965d7
Link:
https://www.unpac.me/results/ae86576e-32a7-4a7b-af17-9e120560a769/
SH256 hash:
61e52468c5bc383180a4a4400c8e703279dd83238042ff66fb07aef6e15b38f6
MD5 hash:
f447bd2b732d8be76cfe10f6b86bf789
SHA1 hash:
9070836c8a60cbcfcbcdd5dbcaeb25941744ab69
Link:
https://www.unpac.me/results/ae86576e-32a7-4a7b-af17-9e120560a769/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/61e52468c5bc/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/61e52468c5bc383180a4a4400c8e703279dd83238042ff66fb07aef6e15b38f6

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:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:MAL_RANSOM_COVID19_Apr20_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ransomware distributed in COVID-19 theme
Reference:https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/
Rule name:MAL_RANSOM_COVID19_Apr20_1_RID2ECC
Create hunting rule
Author:Florian Roth
Description:Detects ransomware distributed in COVID-19 theme
Reference:https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 61e52468c5bc383180a4a4400c8e703279dd83238042ff66fb07aef6e15b38f6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/469955/

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