MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53f99ccc4b2f86fbd235ebb718b1425017f23c01bc1a2b5ba39da3d4d21ab2b8. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: 53f99ccc4b2f86fbd235ebb718b1425017f23c01bc1a2b5ba39da3d4d21ab2b8
SHA3-384 hash: 979718e0da8f4b40b9ca34732c099afc58f82d2326dae0605a0bd5bc5d4b5da4db6cf3a5fd183c1cfc9f52a3ce8e204c
SHA1 hash: a6dc085d28a8d4494c4972e97221fb38ea2680ed
MD5 hash: 612fe10e3ea081bd25a81551462f2798
humanhash: twenty-ack-autumn-minnesota
File name:2570000.RegAsm.exe
Download: download sample
Signature Formbook
File size:42'496 bytes
First seen:2022-11-28 15:12:10 UTC
Last seen:2022-11-28 16:51:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:4g+vMQka/zJcfsAY+P23OnZ0aCIlFRKTT0ry4p:oMhY6ZYJ3OnWuUQxp
Threatray 47 similar samples on MalwareBazaar
TLSH T1CC130A5AF7895114C7BF66B25E73A201067066A32A2BDE1E4CDC07AB2F1F7C486815F3
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 0xToxin
Tags:exe FormBook xworm

Intelligence


File Origin
# of uploads :
2
# of downloads :
300
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2570000.RegAsm.exe
Verdict:
No threats detected
Analysis date:
2022-11-28 15:01:39 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm cmd.exe fingerprint greyware packed
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:
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Machine Learning detection for sample
May check the online IP address of the machine
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected XWorm
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-11-28 15:13:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Unpacked files
SH256 hash:
53f99ccc4b2f86fbd235ebb718b1425017f23c01bc1a2b5ba39da3d4d21ab2b8
MD5 hash:
612fe10e3ea081bd25a81551462f2798
SHA1 hash:
a6dc085d28a8d4494c4972e97221fb38ea2680ed
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_xwormmm_s1_6f74
Author:Johannes Bader
Description:detects unpacked Xwormmm samples

File information


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

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