MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fb50209a274456e05b6c1ae9a8ed80af87616e8763816c8fc413880f274fc5e. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 4fb50209a274456e05b6c1ae9a8ed80af87616e8763816c8fc413880f274fc5e
SHA3-384 hash: 61a4bc0a83213894257e54fee8e476ac7f19e459cbb2acf9cc574b385fe4747bfe3b7fc5062dd0bd9cff10d624f50057
SHA1 hash: 90b3bb5a5d58df5e958f73059ab4277c0441ea9f
MD5 hash: e373859a99003b78e9a14c0e1c2e4ffe
humanhash: aspen-bravo-timing-carolina
File name:SecuriteInfo.com.Trojan.PackedNET.1159.1005.7634
Download: download sample
Signature Formbook
File size:879'616 bytes
First seen:2022-06-08 22:39:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:lE8KBPQgpvdeTLVtZUAesK34SMk9V8gUbqSCI+orGUgd4BOjWP7r9r/+pppppppn:llg/wtyAetZDm+pIn1q
TLSH T1AD15CF84EA8495A0CD599F716A36CD305633BEADAC34D51E28CE3E2B3BFB7931012517
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
308
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.PackedNET.1159.1005.7634
Verdict:
Suspicious activity
Analysis date:
2022-06-08 22:42:33 UTC
Tags:
n/a

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

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed strictor
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.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
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-08 18:16:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
47
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:crqp loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
db1f10770d12b73ac86dcb61acffa2905eda91c1f69545ff32abba2870b1366c
MD5 hash:
12bac61aad92ce072ea0b05fbf1ed7c8
SHA1 hash:
d89b9df51c54774830d2a511beff471fb361018d
SH256 hash:
bf0ef341a626cf8ce713f6205ad268c0f32ef54e0350d089f1029a889aa30f2b
MD5 hash:
8be583105e56114d4e12811d04261dbf
SHA1 hash:
d51b9f3b703eeb357807611a918c10ff091bbaf3
SH256 hash:
f83ad4fc8d9bc52e97c1bd43724f56b06a3ecea2d162a633a1d484f0b99eca49
MD5 hash:
8a9b8ea72b8cefb4eebb1d1fe8e4fc57
SHA1 hash:
009b81de36459eab866309484e092d4708d20c82
SH256 hash:
4fb50209a274456e05b6c1ae9a8ed80af87616e8763816c8fc413880f274fc5e
MD5 hash:
e373859a99003b78e9a14c0e1c2e4ffe
SHA1 hash:
90b3bb5a5d58df5e958f73059ab4277c0441ea9f
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

File information


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

Comments