MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66bc28999e398e9ffcf4ff0f36c9b1be8aa85383aa067f574a6c7ac86502a072. 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

RevengeRAT

Vendor detections: 9

Intelligence 9 IOCs 1 YARA 3 File information Comments 1

SHA256 hash:	66bc28999e398e9ffcf4ff0f36c9b1be8aa85383aa067f574a6c7ac86502a072
SHA3-384 hash:	3e27e99c3f902d9ca5c22c543db7d280f9cc945c9b8b6edf95aa1611c74a98b22129ea7a39716b66bfe7bbb05ee556e5
SHA1 hash:	26055632ecd337f27e45563fe7e26716b6cecd94
MD5 hash:	70833c548adc5aa7f62ff269300826bf
humanhash:	texas-arizona-lamp-carolina
File name:	PaymentConfirmation.exe
Download:	download sample
Signature	RevengeRAT Create hunting rule
File size:	876'214 bytes
First seen:	2021-05-12 05:55:20 UTC
Last seen:	2021-05-12 06:00:56 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	fcf1390e9ce472c7270447fc5c61a0c1 (871 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep	24576:BAOcZpJ997xf/6E5Iy3NgM2soAY5aRcKX+/:beSMIy9D2xA2aa/
Threatray	556 similar samples on MalwareBazaar
TLSH	9A150102B7C188B2D47319326934AB11BD7D7D206F299B2EA3E44D7DDE316816634BB3
Reporter	abuse_ch
Tags:	exe RevengeRAT

abuse_ch

RevengeRAT C2:
185.140.53.71:3436

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
185.140.53.71:3436	https://threatfox.abuse.ch/ioc/35932/

Intelligence

File Origin

# of uploads :

# of downloads :

1'106

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

Win.Dropper.Nanocore-9171337-0

Win.Dropper.Malitrar-9237346-0

Win.Packed.njRAT-9373659-0

SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Searching for the window

Creating a file

Enabling the 'hidden' option for recently created files

Creating a process from a recently created file

Creating a file in the %temp% directory

Adding an access-denied ACE

Using the Windows Management Instrumentation requests

Sending a UDP request

Unauthorized injection to a recently created process

Unauthorized injection to a recently created process by context flags manipulation

Sending a TCP request to an infection source

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:

RevengeRAT

Detection:

malicious

Classification:

troj.evad

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/779464

Signature

Allocates memory in foreign processes

Drops PE files with a suspicious file extension

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Multi AV Scanner detection for dropped file

Writes to foreign memory regions

Yara detected AntiVM autoit script

Yara detected RevengeRAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/66bc28999e398e9ffcf4ff0f36c9b1be8aa85383aa067f574a6c7ac86502a072/

Threat name:

Win32.Backdoor.NanoCore

Status:

Malicious

First seen:

2021-05-12 05:56:27 UTC

AV detection:

20 of 47 (42.55%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=m26crgm6hghj77hu74htnsnrx2fkqu4dvidh6v2knr5mqzicubza._file

Verdict:

malicious

RevengeRAT

54fe3682ed81da191c61ee8aced68014cd74fd021d3873dca8c8c74a754bf868

RevengeRAT

a07773557a958d74fe62cf14aba16c7a6992e2816325b06c4e61bd00e041d847

RevengeRAT

b1584e021f20a3fc1bdd989fd34f981c7cb57da76485780da9bb975f1333b342

RevengeRAT

c04ec7f7397f2fccbf7fd967a5aa4aeca57c17dc1dac557bbe405ca8423c35ee

RevengeRAT

dbdc58f7cfaa402e4b6c0bbc0d3cae24c1939277a205da49c62d420b86a74f92

RevengeRAT

e1552429cfd87856478c497f2d6fa7e175a140f5b882019fcce39a5557092578

RevengeRAT

e868bbd65efb5d380540f4cfdec3ab7075886c94742f7bcdc45ade752eec81ab

RevengeRAT

ebe37e58ad73be76b4178d8b99d64c6505909113a9c3820f4aa2444bb551ef09

RevengeRAT

ff8c7ac8e68733de6e226beb30886039f388ba28c638d795a5a7ff427e80fbb5

RevengeRAT

+ 546 additional samples on MalwareBazaar

Result

Malware family:

revengerat

Score:

10/10

Tags:

family:revengerat botnet:nyancatrevenge trojan

Link:

https://tria.ge/reports/210512-t49tccpgp6/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Loads dropped DLL

Executes dropped EXE

RevengeRAT

Malware Config

C2 Extraction:

185.140.53.71:3436

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/66bc28999e398e9ffcf4ff0f36c9b1be8aa85383aa067f574a6c7ac86502a072

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:	MALWARE_Win_RevengeRAT Create hunting rule
Author:	ditekSHen
Description:	RevengeRAT and variants payload

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

File information

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

No further information available

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-12 06:01:25 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0029.002] Cryptography Micro-objective::SHA1::Cryptographic Hash
1) [C0029.003] Cryptography Micro-objective::SHA256::Cryptographic Hash
2) [C0031.001] Cryptography Micro-objective::AES::Decrypt Data
3) [C0032.001] Data Micro-objective::CRC32::Checksum
4) [C0026.002] Data Micro-objective::XOR::Encode Data
5) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash
6) [F0004.007] Defense Evasion::Bypass Windows File Protection
8) [C0046] File System Micro-objective::Create Directory
9) [C0048] File System Micro-objective::Delete Directory
10) [C0047] File System Micro-objective::Delete File
11) [C0049] File System Micro-objective::Get File Attributes
12) [C0051] File System Micro-objective::Read File
13) [C0050] File System Micro-objective::Set File Attributes
14) [C0052] File System Micro-objective::Writes File
15) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
16) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
17) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
18) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
19) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
20) [C0040] Process Micro-objective::Allocate Thread Local Storage
21) [C0017] Process Micro-objective::Create Process
22) [C0038] Process Micro-objective::Create Thread
23) [C0041] Process Micro-objective::Set Thread Local Storage Value
24) [C0018] Process Micro-objective::Terminate Process