MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d3996209ba2ecdf049096fbe494f5cb082441a864ddef20239954e8e8b8adb3. 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

CrimsonRAT

Vendor detections: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	8d3996209ba2ecdf049096fbe494f5cb082441a864ddef20239954e8e8b8adb3
SHA3-384 hash:	9ef36dd0f3a93ac9a65784840b8c5b4efb807791a8f965f1539f15be44506c922727e523b7d8df2a2e60c254e8323835
SHA1 hash:	6d1d1516ec2f58996091503a15826ff3c52095b6
MD5 hash:	ac90ac3cf422e675512dc860cdc3526b
humanhash:	arizona-quiet-princess-fix
File name:	Payment.xlsm
Download:	download sample
Signature	CrimsonRAT Create hunting rule
File size:	229'084 bytes
First seen:	2020-08-19 11:00:44 UTC
Last seen:	Never
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	6144:B24sumCmhlOaOJtVyYq1zLmiSB9BS+uJnFPwB5dsDyxv:BrsumCmTOa2tVB06Bj8++nFPE7xv
TLSH	CA2413C894FC6CE2C92F8CB6D619788B311DF99A0857C9FF07C6440AB16ADC10D9956E
Reporter	abuse_ch
Tags:	CrimsonRAT RAT xlsm

abuse_ch

Malspam distributing CrimsonRAT:

HELO: essberger.biz
Sending IP: 74.67.26.122
From: Jan Eghøj<janegjoj@essberger.biz>
Subject: Payment
Attachment: Payment.xlsm

CrimsonRAT payload URL:
https://laopermanentmission-jakarta.gov.la/yea/igfxmgmt.exe

CrimsonRAT C2:
45.147.231.70:3489

Intelligence

File Origin

# of uploads :

# of downloads :

1'708

Origin country :

n/a

Vendor Threat Intelligence

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

DNS request

Result

Threat name:

Unknown

Detection:

suspicious

Classification:

n/a

Score:

21 / 100

Link:

https://www.joesandbox.com/analysis/437578

Signature

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8d3996209ba2ecdf049096fbe494f5cb082441a864ddef20239954e8e8b8adb3/

Threat name:

Script.Trojan.CrimsonRAT

Status:

Malicious

First seen:

2020-08-19 01:50:47 UTC

AV detection:

15 of 29 (51.72%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ru4zmie3ulwn6beqs356jfhvzmeciqnimto66ibdtfkor2fyvwzq._file

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/200819-pzhgj8gtw6/

Behaviour

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Office loads VBA resources, possible macro or embedded object present

Executes dropped EXE

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

sLoad

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/8d3996209ba2ecdf049096fbe494f5cb082441a864ddef20239954e8e8b8adb3

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.