MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5d0f96c465bc9f36b29fb88333dc996f63c39ec6ed8cc2acb5a5b36ad31500f. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5d0f96c465bc9f36b29fb88333dc996f63c39ec6ed8cc2acb5a5b36ad31500f
SHA3-384 hash: 74b8aa86cd77fe59d1143c87adeb326045a1808437215854da8ceb8eb3c4e9cff09f6550cc66e69e2f48dd1b5d9fc1d3
SHA1 hash: 348fd876e3a17cafe48f52eed388745d67b9169a
MD5 hash: 92d3a11f9495e3ae08a7acb850bf6e21
humanhash: sink-hydrogen-freddie-enemy
File name:Bl Draft.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:502'906 bytes
First seen:2022-12-12 14:46:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 12288:HJ2dzRz28jYxEZbImQwyX3Snv+A7lv28MOqqi+6:CzG1jdSnvdl2TJqW
Threatray 2'338 similar samples on MalwareBazaar
TLSH T1ACB423C40CF6646AD522297958F3D37C57B856081227169F0F90DF6F3E374E66882AE2
TrID 92.7% (.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 f4f679b179698cd4 (17 x RemcosRAT, 4 x SnakeKeylogger, 2 x NanoCore)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Bl Draft.exe
Verdict:
Malicious activity
Analysis date:
2022-12-12 14:50:02 UTC
Tags:
installer keylogger remcos
Link:
https://app.any.run/tasks/c6bfb669-45a5-4b20-99a3-c82066cceec9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/345480/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.3701.5340.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63973ee7f6e448d42df83251/reports/22cb3f27-3b8d-4d7f-84f5-79ae2c630eff/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/76083db3-e573-4c19-a87f-036ebc05e9a3
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1132720
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 765453 Sample: Bl Draft.exe Startdate: 12/12/2022 Architecture: WINDOWS Score: 100 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 4 other signatures 2->52 7 Bl Draft.exe 19 2->7         started        10 tkfxqlsnum.exe 2->10         started        13 tkfxqlsnum.exe 2->13         started        process3 file4 28 C:\Users\user\AppData\Local\Temp\jaqkuz.exe, PE32 7->28 dropped 15 jaqkuz.exe 1 2 7->15         started        56 Multi AV Scanner detection for dropped file 10->56 19 WerFault.exe 3 10 10->19         started        21 WerFault.exe 10 13->21         started        signatures5 process6 file7 32 C:\Users\user\AppData\...\tkfxqlsnum.exe, PE32 15->32 dropped 38 Multi AV Scanner detection for dropped file 15->38 40 Contains functionality to steal Chrome passwords or cookies 15->40 42 Maps a DLL or memory area into another process 15->42 44 2 other signatures 15->44 23 jaqkuz.exe 2 17 15->23         started        signatures8 process9 dnsIp10 34 drremcoz1.ddns.net 185.246.220.39, 1307, 49697 LVLT-10753US Germany 23->34 36 geoplugin.net 178.237.33.50, 49698, 80 ATOM86-ASATOM86NL Netherlands 23->36 30 C:\ProgramData\remcos\logs.dat, data 23->30 dropped 54 Installs a global keyboard hook 23->54 file11 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a5d0f96c465bc9f36b29fb88333dc996f63c39ec6ed8cc2acb5a5b36ad31500f/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-12-12 14:47:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
8 of 40 (20.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uxips3cglpe7g2zj7oedgpojs33dyopmn3mmykwlljntnljrkahq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
16f94dbc6345fd8220c180376a3074e966a8579b305d877b4714256d450141d0
RemcosRAT
1e6af577e1d5f5fea983228641b0b2f6cacbf4f6c464dcc0d8608ce6fe549338
RemcosRAT
779fe92ccc2fcb737c36756838a50a12d290c3e55cf7a18082abca41cd95c9b4
RemcosRAT
7e9f324a4cb0c2428131f71e8f9737c13f45f75d74c2cff7fd37ca337baa48f1
RemcosRAT
9e2bf00ed331c02f9ce582339b8cc771a5422998154b7310a5b3bbcc8fc2dc6c
RemcosRAT
a41233051e12f046dedb8f3d46e9d32c58f24db45aeb6829b36f699e64987f35
RemcosRAT
f1ee84bf85dec48e4b94e5967de93bbed0d1b96ef43d68c2aa0b8ab7675d2c70
RemcosRAT
f830ced2c0d06737392dddabd93828fa37430b0c6ec27cb7186c46d5e2f570b8
RemcosRAT
f9dbb342e635717b55ef19c20e7943858acf892e6040a9a4f3609eaa41981bc9
RemcosRAT
+ 2'328 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/221212-r5vyxabe89/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
drremcoz1.ddns.net:1307
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/76105cb6-b107-4ef1-ab0d-dd15216caa21
Unpacked files
SH256 hash:
683efe74532bed30e1f0a73e9e7485e2d11e444b7766cd7d2611d84ecc79fa22
MD5 hash:
c5124d216e7b0f383ba7e05b69d84379
SHA1 hash:
9e07ed49d15d00e15d5b603e2b74902284cb560a
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/0659b54b-5a6f-4b10-b414-f2fd76494fa3/
Parent samples :
d2153ad12373ea7fab1232d8e957da465e2a7a6b5439f34d9ba6e3e177ab6c76
45cd8dd797af4fd769eef00243134c46c38bd9e65e15d7bd2e9b834d5e8b3095
f23af58c2cf4e24dc720b940dfcbb7a12793de187354f892b8ee9cbec7c3332e
38e450e0f888c722ba57ed39900759397ede821614371832456b7fa29143aaba
f55af4e1b592a12334c4434887b9bfd7429b4218e9c4b3b7cef3e345f4489f06
a5d0f96c465bc9f36b29fb88333dc996f63c39ec6ed8cc2acb5a5b36ad31500f
SH256 hash:
f9dcd3e5560f819831c2e4e94499678e38b004a307dcc1783b3068311ec686d7
MD5 hash:
cbb5f76d33d89e4e11d4a109fe0a4763
SHA1 hash:
4382700ca528268bcbaba877575dcc72b922ad67
Link:
https://www.unpac.me/results/0659b54b-5a6f-4b10-b414-f2fd76494fa3/
SH256 hash:
a5d0f96c465bc9f36b29fb88333dc996f63c39ec6ed8cc2acb5a5b36ad31500f
MD5 hash:
92d3a11f9495e3ae08a7acb850bf6e21
SHA1 hash:
348fd876e3a17cafe48f52eed388745d67b9169a
Link:
https://www.unpac.me/results/0659b54b-5a6f-4b10-b414-f2fd76494fa3/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a5d0f96c465b/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/a5d0f96c465bc9f36b29fb88333dc996f63c39ec6ed8cc2acb5a5b36ad31500f

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
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
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.

Malspam

RemcosRAT

Executable exe a5d0f96c465bc9f36b29fb88333dc996f63c39ec6ed8cc2acb5a5b36ad31500f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/345480/

Comments