MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb. 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


RemcosRAT


Vendor detections: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb
SHA3-384 hash: 6ff6a908243daed000ebbac86ae33e7b731c856ffd3e676043f0f5dfce476087d2c2d6406c9779b4d8546441fa4ada3d
SHA1 hash: e9097b5cd1f976ecaf0accedf14f1d22bd72e6fa
MD5 hash: 972334f0c55d0aeab0b32efe41ea3470
humanhash: sad-indigo-robert-two
File name:972334f0c55d0aeab0b32efe41ea3470.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:735'232 bytes
First seen:2022-06-26 07:42:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9IxCLALqCddwA7Pljw5ej79G72AUBV3xaTPqfH0pLbwfBnC7aCNsuAIi6:9IxAgWA79Mq7s7ZUFV/IwfKagsWi6
Threatray 2'968 similar samples on MalwareBazaar
TLSH T167F423A18A0BDF5FE18F5ABB680452F7145CFE231240A318BA4173FE2EB354165E77A4
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon e4dc9898dcd871b2 (1 x ParallaxRAT, 1 x XFilesStealer, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/283299/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Creating a file
DNS request
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Query of malicious DNS domain
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b80e0762d792dc5746d13a/reports/c7224fed-da0b-4570-aabf-0fafe33fcb7c/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b211193a-c8df-4d2a-b942-31027379d16a
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1019897
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Encrypted powershell cmdline option found
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 652393 Sample: kyFBQxVbsg.exe Startdate: 26/06/2022 Architecture: WINDOWS Score: 100 40 tuekisaa.ac.ug 2->40 42 parthaha.ac.ug 2->42 44 2 other IPs or domains 2->44 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus / Scanner detection for submitted sample 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 6 other signatures 2->68 8 kyFBQxVbsg.exe 1 5 2->8         started        12 Qerdo.exe 1 2->12         started        14 Qerdo.exe 2->14         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\...\Qerdo.exe, PE32 8->34 dropped 36 C:\Users\user\...\Qerdo.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\...\kyFBQxVbsg.exe.log, ASCII 8->38 dropped 70 Encrypted powershell cmdline option found 8->70 16 InstallUtil.exe 8->16         started        19 InstallUtil.exe 2 3 8->19         started        22 powershell.exe 23 8->22         started        72 Antivirus detection for dropped file 12->72 74 Multi AV Scanner detection for dropped file 12->74 76 Machine Learning detection for dropped file 12->76 24 InstallUtil.exe 12->24         started        26 InstallUtil.exe 12->26         started        28 InstallUtil.exe 14->28         started        30 InstallUtil.exe 14->30         started        signatures6 process7 dnsIp8 52 Contains functionality to steal Chrome passwords or cookies 16->52 54 Contains functionality to inject code into remote processes 16->54 56 Contains functionality to steal Firefox passwords or cookies 16->56 58 Delayed program exit found 16->58 46 nikahuve.ac.ug 194.5.98.107, 49798, 49801, 49803 DANILENKODE Netherlands 19->46 48 tuekisaa.ac.ug 19->48 50 2 other IPs or domains 19->50 60 Installs a global keyboard hook 19->60 32 conhost.exe 22->32         started        signatures9 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb/
Threat name:
ByteCode-MSIL.Trojan.Tiggre
Create hunting rule
Status:
Malicious
First seen:
2022-06-25 14:58:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5oi36hrowodx6ckcz3yrhoypw5xcyl6syjsr3pyj63ng35sj5d5q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1e3d5369ea28851f7013099f82d535b12e3e88c72ae190fdf571fb9beb9e0ace
RemcosRAT
9ea26ea3cf4034580c0c02f1ce4627887fd5a68e069a2c4189c8f253b5919842
RemcosRAT
a805af78c614b848a5eb091882ea4d5d84a248b7183c99bf32169dc2d1d3090c
RemcosRAT
bec0e99c27a1be5e7f2ad71f8ebf6153a71ad0026c7a102db8228ad0638c37fe
RemcosRAT
db5081b362e1b639dadf98a1d8e7ff79f7a9dcaee67417795bec75b8897973a0
RemcosRAT
+ 2'958 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:06192022 persistence rat
Link:
https://tria.ge/reports/220626-jj8nwacaf6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
nikahuve.ac.ug:6968
kalskala.ac.ug:6968
tuekisaa.ac.ug:6968
parthaha.ac.ug:6968
Unpacked files
SH256 hash:
eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb
MD5 hash:
972334f0c55d0aeab0b32efe41ea3470
SHA1 hash:
e9097b5cd1f976ecaf0accedf14f1d22bd72e6fa
Link:
https://www.unpac.me/results/ed37d1cb-0e9f-4b67-974b-539e6736c6d6/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/eb91bf1e2eb3/report/overview.html
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/eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Web download

RemcosRAT

Executable exe eb91bf1e2eb3877f0942cef113bb0fb76e2c2fd2c2651dbf09f6da6df649e8fb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2244880/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/283299/

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