MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c51b5ab4f58954b8e389c8fbd8b7774de8365a5222a6a34eeb2a13d152245b83. 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: 16


Intelligence 16 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c51b5ab4f58954b8e389c8fbd8b7774de8365a5222a6a34eeb2a13d152245b83
SHA3-384 hash: 7eb5bcc6b1cf07e925b6d3283e394e2e526bacedb4276ec6b942766e8b6aa58ac8fc35bb9676203d61fdc385466932a1
SHA1 hash: 7d4281320d6975fe2810f465ea2ad43dd58a66a5
MD5 hash: 133f7f99df9562558f2230cf45f6f043
humanhash: nuts-aspen-salami-pasta
File name:SecuriteInfo.com.Win32.Evo-gen.24211.22362
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:487'761 bytes
First seen:2022-11-22 03:36:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 12288:WAmjG2lQZI33Sn9LXXqIW0cfysH6RSOJuDmP2t9x:JmYZI33YBXqz0casH6RlwSm
Threatray 2'244 similar samples on MalwareBazaar
TLSH T1C8A4239637DCC033F8C6A8B3C593AB3AD33AC71C881509D7D7918E66609398B8A453D6
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f4f679b179698cd4 (17 x RemcosRAT, 4 x SnakeKeylogger, 2 x NanoCore)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.Evo-gen.24211.22362
Verdict:
Malicious activity
Analysis date:
2022-11-22 03:39:29 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/5d0117db-7114-485a-b4f3-902dd8160791

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/337030/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.24211.22362.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the 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
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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/637c43e02609334c72c1a380/reports/86c29201-04b4-4a93-bf4b-f6a9bba63764/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/fc2d154d-7b1d-4063-ad2f-1d447ae569ed
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118626
Signature
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)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 751338 Sample: SecuriteInfo.com.Win32.Evo-... Startdate: 22/11/2022 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 5 other signatures 2->57 7 SecuriteInfo.com.Win32.Evo-gen.24211.22362.exe 18 2->7         started        10 ksbevar.exe 1 2->10         started        13 ksbevar.exe 1 2->13         started        process3 file4 33 C:\Users\user\AppData\Local\...\ygkiwdc.exe, PE32 7->33 dropped 15 ygkiwdc.exe 1 3 7->15         started        59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 19 WerFault.exe 3 10 10->19         started        21 conhost.exe 10->21         started        23 WerFault.exe 10 13->23         started        25 conhost.exe 13->25         started        signatures5 process6 file7 35 C:\Users\user\AppData\Roaming\...\ksbevar.exe, PE32 15->35 dropped 43 Multi AV Scanner detection for dropped file 15->43 45 Machine Learning 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 27 ygkiwdc.exe 2 15 15->27         started        31 conhost.exe 15->31         started        signatures8 process9 dnsIp10 37 xpremcuz300622.ddns.net 193.47.61.205, 3542, 49709 TH-AS-APTianhaiInfoTechCN Germany 27->37 39 geoplugin.net 178.237.33.50, 49710, 80 ATOM86-ASATOM86NL Netherlands 27->39 41 192.168.2.1 unknown unknown 27->41 63 Installs a global keyboard hook 27->63 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c51b5ab4f58954b8e389c8fbd8b7774de8365a5222a6a34eeb2a13d152245b83/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-11-22 00:31:01 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yunvvnhvrfklry4jzd55rn3xjxudmwssektkgtxlfij5curelobq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4f3ac2facaae4e74a303e1c92b36c87372397fa19f93d3025cc6fa5c027a7b29
RemcosRAT
7484e671f44dff5800c656985f8dc0540913622989a3d799bd012cb9dfb23762
RemcosRAT
783c0d6ed98c682ff4e4d18807931f5c157337cf86c99740d90f5f575a2a94d9
RemcosRAT
c03cfddda1ce6811ac0aa6cd6d9957e688a3fd37c02a16c15af285bff2c9b04f
RemcosRAT
c5fe9955259f76f4b03bd65fd5e146803690d8057d7ef474c3b1b8eec0b1b928
RemcosRAT
d412bda38a99d6bbdd30c66e3b5bfa6c1a441ff597c58c9878e8e329ca8c7636
RemcosRAT
d7264c654056f0fdb63f216aeec7f9fb8d912ff87b89922741f810637a2c51a8
RemcosRAT
d95e5151d6dd5c5c08ae6a5964361933ad2dc0740082143d9db3dff97088afc5
RemcosRAT
f3f99338943e59e1301976550d8f5951e171564ff7b27a726ffedbaf6a96bde9
RemcosRAT
+ 2'234 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:xp_no startup persistence rat
Link:
https://tria.ge/reports/221122-d6gk1sce5x/
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:
xpremcuz300622.ddns.net:3542
Unpacked files
SH256 hash:
65a1d113f7dc5ec1f3e35c6cd4df378cc412cf71d65deb6b3d0dc3f3b26ddd71
MD5 hash:
ab7e54fec4c511c9de20e31d8415b5cf
SHA1 hash:
a6d52521ffbfc9dad59a7c464c07c7abd983f586
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/9d13c727-7a0e-499e-8099-27b826ffa43a/
Parent samples :
98c0c891e2c4aff954bd915bceb34153a4f732ef8b7743162c6faaa079161e84
4f3ac2facaae4e74a303e1c92b36c87372397fa19f93d3025cc6fa5c027a7b29
c03cfddda1ce6811ac0aa6cd6d9957e688a3fd37c02a16c15af285bff2c9b04f
c51b5ab4f58954b8e389c8fbd8b7774de8365a5222a6a34eeb2a13d152245b83
6c0f5a9bf9bfd84be91f3d84335b63ac95ac2b227fedc5de439971577328ac30
6c405e0fb6fa88a355b6addac57f8663af6a0e2256bc8d23da104567360ce6f9
fa965dc6edbb0e244cef4ecab1dabb2d04c9c174e42ac25c60f463237bcea16b
d3a2043efc6af7c4ab5141626759c855ae393005862d78c7e325ba585684c5b0
c7e2ce7b8a6da88127cbb0730c2b8b9869f7f0e6a4ba831e34d1aa18122ce5e2
SH256 hash:
f172fbc5701d1aada55e24d197bc47c8230ebcde41fd01df039ec73a0c564269
MD5 hash:
e74d8e7564082d278e7bd0259329f9f7
SHA1 hash:
d881ae45da0a9371dced87a6c3f0c717c7d27fb3
Link:
https://www.unpac.me/results/9d13c727-7a0e-499e-8099-27b826ffa43a/
SH256 hash:
c51b5ab4f58954b8e389c8fbd8b7774de8365a5222a6a34eeb2a13d152245b83
MD5 hash:
133f7f99df9562558f2230cf45f6f043
SHA1 hash:
7d4281320d6975fe2810f465ea2ad43dd58a66a5
Link:
https://www.unpac.me/results/9d13c727-7a0e-499e-8099-27b826ffa43a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c51b5ab4f589/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/c51b5ab4f58954b8e389c8fbd8b7774de8365a5222a6a34eeb2a13d152245b83

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/337030/

Comments