MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b07f08cbf908eb0d5c93679c8dca8438e4f185a70d675ad79184533dc6b4b262. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b07f08cbf908eb0d5c93679c8dca8438e4f185a70d675ad79184533dc6b4b262
SHA3-384 hash: 0a0663b8e64fd78b345b826d45d3c9c517ef21474d3904909483f38a8551913fe1027fb18379c437e2b71af9c142faa1
SHA1 hash: 5106a28e9af9270b868b5391e081679aa161ecc3
MD5 hash: 3ef0093682fea17613a9c33b100a3664
humanhash: bulldog-south-spaghetti-tango
File name:A-KTB-DE0359977A-4659122.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:618'675 bytes
First seen:2022-06-07 13:59:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dd1742eadfc6df18ded3c26ae64ad610 (31 x Formbook, 5 x RemcosRAT, 3 x AgentTesla)
ssdeep 12288:fCDNQywaZPv3s0ywkCtojL8SH3Zi2GuIUz4LAZMQ54dVFQ:fCDCSxk50ofPMvUEMT54Tq
Threatray 13'378 similar samples on MalwareBazaar
TLSH T194D4F112318A845BF57364F2A45FC52291AA6F89293FC70D22D27F2F66F73180537B29
TrID 92.9% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 04b2b0b892aea419 (1 x RemcosRAT)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
359
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
A-KTB-DE0359977A-4659122.exe
Verdict:
Malicious activity
Analysis date:
2022-06-07 19:01:49 UTC
Tags:
installer remcos
Link:
https://app.any.run/tasks/591e4347-16e9-4ad7-aaf8-89354cc22596

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/277431/
Detection(s):
SecuriteInfo.com.Trojan.Garf.Gen.7.19405.2380.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/629f59eb635bd7ad01cabfd5/reports/771d03b2-6427-4bd3-9287-3ebebe35617d/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/f9c7646f-94fe-4240-a50e-85016a354bea
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1008228
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 640727 Sample: A-KTB-DE0359977A-4659122.exe Startdate: 07/06/2022 Architecture: WINDOWS Score: 100 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 2 other signatures 2->57 7 A-KTB-DE0359977A-4659122.exe 18 2->7         started        10 mggaapgik.exe 1 2->10         started        13 mggaapgik.exe 1 2->13         started        process3 file4 35 C:\Users\user\AppData\Local\...\fjkqncksy.exe, PE32 7->35 dropped 15 fjkqncksy.exe 1 3 7->15         started        59 Antivirus detection for dropped file 10->59 61 Multi AV Scanner detection for dropped file 10->61 19 WerFault.exe 23 9 10->19         started        21 conhost.exe 10->21         started        23 WerFault.exe 10->23         started        25 WerFault.exe 2 9 13->25         started        28 conhost.exe 13->28         started        signatures5 process6 dnsIp7 37 C:\Users\user\AppData\...\mggaapgik.exe, PE32 15->37 dropped 43 Antivirus detection for dropped file 15->43 45 Multi AV Scanner detection for dropped file 15->45 47 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->47 49 5 other signatures 15->49 30 fjkqncksy.exe 2 15->30         started        33 conhost.exe 15->33         started        39 192.168.2.1 unknown unknown 25->39 file8 signatures9 process10 dnsIp11 41 172.111.234.100, 5888 SOFTLAYERUS United States 30->41
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b07f08cbf908eb0d5c93679c8dca8438e4f185a70d675ad79184533dc6b4b262/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-07 09:25:20 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wb7qrs7zbdvq2xetm6oi3suehdspdbnhbvtvvv4rqrjt3rvuwjra._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
01f5e461193a3adce502959e029cf52b8e9bf0a9cd1bf06c9088edddb4f643ab
RemcosRAT
56400d285883e72264ab693e17d3f94bb35df61618891768c8959932b5d9f140
RemcosRAT
576183a33f5247a852bc65a4dc4cbca5762bfbad1291a82572681f7075dc6123
RemcosRAT
7a099c2a919928941a4357553300018cd8847760df7b17c2e7bde1daef328305
RemcosRAT
900274d5916f078ac30bedfc6b3bf5812c09de4cc1bdddd4e25d5efa1e3bb1c3
RemcosRAT
b6cbbd914e6466a18364e387503ecb099cb0b497807a85a1f5a8fb5e2df13213
RemcosRAT
e1f130eaed82441c051ac3c8869fa7c76b3d60810a2b641b3bfb70cfdbdf9b1b
RemcosRAT
ee956c86cd6e470dc79533205689b9819b93ac3805eeb241266c2ef04e6a455a
RemcosRAT
+ 13'368 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220607-ra1wnsfce8/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
172.111.234.100:5888
Unpacked files
SH256 hash:
8d21daa11169db7ab7bc0544a07cd4511f769b60440ae8fd1826997897a2b91f
MD5 hash:
a4ad85e370d6fa7209cf87ee320ac7cc
SHA1 hash:
244616e4df0e030fcfa95062d2733be8cb6fbc13
Link:
https://www.unpac.me/results/82b299be-7773-4484-aa3c-ba80c60118d9/
SH256 hash:
b07f08cbf908eb0d5c93679c8dca8438e4f185a70d675ad79184533dc6b4b262
MD5 hash:
3ef0093682fea17613a9c33b100a3664
SHA1 hash:
5106a28e9af9270b868b5391e081679aa161ecc3
Link:
https://www.unpac.me/results/82b299be-7773-4484-aa3c-ba80c60118d9/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b07f08cbf908/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.53
Link:
https://yomi.yoroi.company/submissions/b07f08cbf908eb0d5c93679c8dca8438e4f185a70d675ad79184533dc6b4b262

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:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/277431/

Comments