MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38577a7e5c30bb0d853ae213ebdfb7d0bfda353dec677706f1f233bd16b3ef10. 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: 8

Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash:	38577a7e5c30bb0d853ae213ebdfb7d0bfda353dec677706f1f233bd16b3ef10
SHA3-384 hash:	66ca7afed1a2b39b85d83c1463ba8c31b560db00b5d2ae445f64ac4ee3ee6343fbd748002c3b9225f0d5187860909899
SHA1 hash:	4e06ca2488b7eb37d7fc80763e158e7be427c0ee
MD5 hash:	4a5f8a1e40fb9eab2b8bd55efbe61a83
humanhash:	pluto-butter-nebraska-sweet
File name:	4a5f8a1e40fb9eab2b8bd55efbe61a83.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	824'320 bytes
First seen:	2021-05-26 06:03:42 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	46978de0f8944a65af1673d613222a98 (5 x Smoke Loader, 5 x Vjw0rm, 3 x FormBook)
ssdeep	24576:LNR2zaQBt37/CZ0w1PeWnzqhqCC6+PEUG:6UsrC6aEH
Threatray	321 similar samples on MalwareBazaar
TLSH	0D057C12B3D3D1B6EFA125F2C5B553320939BC38173CA6DB7390392EE9A02C16A75359
Reporter	abuse_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

101

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

purchase inquiry 25.5.2021.doc__.rtf

Verdict:

Malicious activity

Analysis date:

2021-05-25 19:56:16 UTC

Tags:

ole-embedded trojan exploit CVE-2017-11882

Link:

https://app.any.run/tasks/8ed6caa5-693a-4285-a04e-2ceab8d1f1b1

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/162227/

Detection(s):

Win.Malware.Autohk-6995517-0

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Launching a process

Sending a UDP request

DNS request

Sending a custom TCP request

Result

Verdict:

MALICIOUS

Details

Base64 Encoded Powershell Directives

Detected one or more base64 encoded Powershell directives.

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:

Unknown

Detection:

malicious

Classification:

troj.evad

Score:

80 / 100

Link:

https://www.joesandbox.com/analysis/792266

Signature

Bypasses PowerShell execution policy

Connects to a pastebin service (likely for C&C)

Multi AV Scanner detection for submitted file

PowerShell case anomaly found

Sample or dropped binary is a compiled AutoHotkey binary

Sigma detected: Suspicious Encoded PowerShell Command Line

Very long command line found

Yara detected AntiVM3

Behaviour

Behavior Graph:

Download SVG

Detection:

xloader

Link:

https://mwdb.cert.pl/sample/38577a7e5c30bb0d853ae213ebdfb7d0bfda353dec677706f1f233bd16b3ef10/

Threat name:

Win32.Spyware.Noon

Status:

Malicious

First seen:

2021-05-25 22:39:44 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

15 of 47 (31.91%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=hblxu7s4gc5q3bj24ij6xx5x2c75unj55rtxobxr6iz32fvt54ia._file

Verdict:

unknown

Result

Malware family:

n/a

Score:

10/10

Tags:

n/a

Link:

https://tria.ge/reports/210526-ewccnywbex/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Blocklisted process makes network request

Malware Config

Dropper Extraction:

httPs://paste.ee/r/EhrUU
httPs://paste.ee/r/CxpZK

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/38577a7e5c30bb0d853ae213ebdfb7d0bfda353dec677706f1f233bd16b3ef10

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE).

Rule name:	crime_win32_ransom_avaddon_1 Create hunting rule
Author:	@VK_Intel
Description:	Detects Avaddon ransomware
Reference:	https://twitter.com/VK_Intel/status/1300944441390370819

Rule name:	INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu Create hunting rule
Author:	ditekSHen
Description:	Detect executables with stomped PE compilation timestamp that is greater than local current time