MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b15e94a6fde3f1813f38baeb354ff8a63a0bf47cadcf3b988595df6667747f07. 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: 11


Intelligence 11 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b15e94a6fde3f1813f38baeb354ff8a63a0bf47cadcf3b988595df6667747f07
SHA3-384 hash: d5b6dfec104e0c764066420ec3e28fe7cbf1139f20df551f9513625cb985dd6f2fc1e75ff60ad5b4b6b048d795e61bc6
SHA1 hash: f508a9024b6e80f8fbb51db4fb9ade4a3d8c40aa
MD5 hash: bf34a70ab9b8687307a5006bdd3345e3
humanhash: princess-king-leopard-seven
File name:b15e94a6fde3f1813f38baeb354ff8a63a0bf47cadcf3b988595df6667747f07
Download: download sample
Signature Formbook
Create hunting rule
File size:1'190'912 bytes
First seen:2023-04-05 10:26:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer)
ssdeep 24576:kF9BP6OML0JRHt5k8/d2gs5yzGC1lOFsFRvQoeueKl:kFfVMLR8/mwzP1zLNeBKl
TLSH T1A445238174726376EE84D53B665992BACC316FB9473EC0BC2C61BFB925F0744389A930
TrID 25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
19.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.1% (.EXE) Win32 Executable (generic) (4505/5/1)
7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.8% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 1c5d611f0f33334d (5 x RevengeRAT, 3 x QuasarRAT, 2 x CoinMiner)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b15e94a6fde3f1813f38baeb354ff8a63a0bf47cadcf3b988595df6667747f07
Verdict:
Malicious activity
Analysis date:
2023-04-05 10:24:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e2e54f73-f92c-49dc-b105-22d1c4db3f3f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/380215/
Detection(s):
PUA.Win.Packer.EnigmaProtector-19
Create hunting rule

PUA.Win.Packer.EnigmaProtector-1
Create hunting rule

Win.Malware.Agen-9821312-0
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat enigma packed shell32.dll threat zpevdo
Link:
https://www.filescan.io/uploads/642d4cf735c10d8aaf28a8b9/reports/38ef11b2-3fc0-4818-a3e2-94878ebc18c2/overview
Verdict:
Malicious
Labled as:
Packer.Enigma.Generic
Link:
https://www.hybrid-analysis.com/sample/b15e94a6fde3f1813f38baeb354ff8a63a0bf47cadcf3b988595df6667747f07
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/e3aecbdc-5eed-4134-a50f-76f61bc6eb91
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1208711
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to capture screen (.Net source)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides threads from debuggers
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
PE file has nameless sections
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b15e94a6fde3f1813f38baeb354ff8a63a0bf47cadcf3b988595df6667747f07/
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-03-28 11:42:03 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wfpjjjx54pyycpzyxlvtkt7yuy5ax5d4vxhtxgefsxpwmz3up4dq._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Link:
https://tria.ge/reports/230405-mg376adb32/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Xworm
Malware Config
C2 Extraction:
topics-junior.at.ply.gg:45283
Unpacked files
SH256 hash:
b15e94a6fde3f1813f38baeb354ff8a63a0bf47cadcf3b988595df6667747f07
MD5 hash:
bf34a70ab9b8687307a5006bdd3345e3
SHA1 hash:
f508a9024b6e80f8fbb51db4fb9ade4a3d8c40aa
Link:
https://www.unpac.me/results/18194df2-611e-4a0a-a5f0-c6953c34b7ee/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b15e94a6fde3/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/b15e94a6fde3f1813f38baeb354ff8a63a0bf47cadcf3b988595df6667747f07

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
Rule name:win_smominru_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.smominru.
Rule name:XWorm_Hunter
Create hunting rule
Author:Potato

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/380215/

Comments