MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58a7f521806093c7072a47070aeef1f69de6163b18eb9ada9541acb15957350b. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 58a7f521806093c7072a47070aeef1f69de6163b18eb9ada9541acb15957350b
SHA3-384 hash: bc3cd658c66a05c500afb2174eac41af0c502f2af3ccf11dbf37001b8a539c962368b221a026b327271cb5c63d3bf4d0
SHA1 hash: 355f2f6c79da4a005a9999ed5771b21b091ab393
MD5 hash: 560db1718a6c91c6a782d7ac7b3da3e3
humanhash: november-missouri-uncle-wolfram
File name:vbc (4).exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'163'776 bytes
First seen:2022-06-07 07:03:22 UTC
Last seen:2022-06-07 07:38:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:GPppyi3s1z+MTRDvAhMopQdtyu1LtsgB2q9kQr:G53svTRD4/pQdoQH2GkQ
Threatray 2'345 similar samples on MalwareBazaar
TLSH T1E035D02D53F1CA27F06D57338412405A95F8290BA28EFB272DC628FA1CD33635D5A9ED
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter ankit_anubhav
Tags:exe remcos RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
314
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
293ad4950baf9f25ff33af94191618aab9a25e9e9ec7ab84861509348121122f.pdf
Verdict:
Malicious activity
Analysis date:
2022-06-07 07:01:51 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/b392ae40-9499-4f59-9d26-39b2901aa6d4

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/277239/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.22647.1723.29167.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/629ef8685dc88d357167ab9c/reports/0106314e-e7d1-49e0-b7f5-b9d83707803b/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/74cba80c-7675-4ba4-9120-a6fb4f106920
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1007879
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 640373 Sample: vbc (4).exe Startdate: 07/06/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for dropped file 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 9 other signatures 2->51 10 vbc (4).exe 3 2->10         started        13 doc.exe 2 2->13         started        process3 file4 33 C:\Users\user\AppData\...\vbc (4).exe.log, ASCII 10->33 dropped 15 vbc (4).exe 4 4 10->15         started        process5 file6 35 C:\Users\user\AppData\Roaming\doc.exe, PE32 15->35 dropped 37 C:\Users\user\...\doc.exe:Zone.Identifier, ASCII 15->37 dropped 39 C:\Users\user\AppData\Local\...\install.vbs, data 15->39 dropped 18 wscript.exe 1 15->18         started        process7 process8 20 cmd.exe 1 18->20         started        process9 22 doc.exe 3 20->22         started        25 conhost.exe 20->25         started        signatures10 53 Multi AV Scanner detection for dropped file 22->53 55 Contains functionalty to change the wallpaper 22->55 57 Contains functionality to steal Chrome passwords or cookies 22->57 59 2 other signatures 22->59 27 doc.exe 2 1 22->27         started        31 doc.exe 22->31         started        process11 dnsIp12 41 gdyhjjdhbvxgsfe.gotdns.ch 194.31.98.170, 2718, 49715 BURSABILTR Netherlands 27->41 43 192.168.2.1 unknown unknown 27->43 61 Installs a global keyboard hook 27->61 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/58a7f521806093c7072a47070aeef1f69de6163b18eb9ada9541acb15957350b/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-06-07 07:04:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 40 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lct7kimamcj4obzki4dqv3xr62o6mfr3ddvzvwuvigwlcwkxgufq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2d6b7a5513ed0cb451701bb494fb87382061195c115ede553f062b4fc0fd4f97
RemcosRAT
4ce893ef0bd7abeb769c3c3e57863700f41882befbee770733f0da86e015e7cb
RemcosRAT
724b6b5e627086ff22b9f2d2c045faa880dea62f513a694058b452aa1b6cad6f
RemcosRAT
8342c94ddfd4cca232e9d1cd5faed48fdce02a694b062606b938401b502a0c30
RemcosRAT
a4b821d0cadc92c344c8b60f5290a5e5520fd1fb3813b88c529c48d285b72c63
RemcosRAT
d98541f0e7659a620cfd349405facb991e7e7973e90f7bef7f7882315023e96f
RemcosRAT
e12fdcfde01952915157328b7afec8830f172814db0ce8d8658d427088b728d0
RemcosRAT
+ 2'335 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:awele persistence rat
Link:
https://tria.ge/reports/220607-hvysdabhc9/
Behaviour
Modifies registry class
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
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
gdyhjjdhbvxgsfe.gotdns.ch:2718
Unpacked files
SH256 hash:
2d23bd3eccb2b2a01283e47a900392e9f1fff99ee8876a28fa05491a02df9ed9
MD5 hash:
d5984899ad35d384c493cd0abce439fd
SHA1 hash:
7b5efc479d8b1888aa481962e83118bdfbd25abb
Link:
https://www.unpac.me/results/f72de802-5d6f-433d-9602-a23210bd0d55/
SH256 hash:
4d7a1202e5360fcc3a77f8d9af28f80b26ae66346341a973dc8ac9096d8a8747
MD5 hash:
3f428362a2e853d401aea8fa0b452721
SHA1 hash:
4ced635ff3431693515c91eb57b3c32f1acdedca
Link:
https://www.unpac.me/results/f72de802-5d6f-433d-9602-a23210bd0d55/
SH256 hash:
f3b17a8f024bb6eeba9553eb6b5b65f2a2a9bcb47579b811f6c1c3b04dd02918
MD5 hash:
9b500b4e238369b20066840aa07685ee
SHA1 hash:
331f23d04439aa8211e3782c3abf2f663dfca33a
Link:
https://www.unpac.me/results/f72de802-5d6f-433d-9602-a23210bd0d55/
SH256 hash:
92fc8071021b5861cd8ab121a69b5738f395cd604d0701a2550c88a4dc774d9f
MD5 hash:
74d74d8ab4d7af70f3dc09994d9afd98
SHA1 hash:
059ea823649648abcc0bc08e0958dd3344c57a0f
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/f72de802-5d6f-433d-9602-a23210bd0d55/
Parent samples :
17f5cb1dba8dd540465e9135d6541f2a7f871caee59c8afc63cf17e820c0f22f
58a7f521806093c7072a47070aeef1f69de6163b18eb9ada9541acb15957350b
c19e7f8c690e36a1d98ec296034b7e9cb6460cc65d9064a6fe184c993089949c
f8c85ac89539665cb4eaf51023871b56d402c368d3c9b529fa82366a7371287c
e3ad614d9a134b20b9efe02f5029d93c65ddc13322858d87c6ca3751b857413f
93c44acd51b11807883d39e0a7ca13a178f0c69e9b7f20e90245c5973c937db0
8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e
SH256 hash:
58a7f521806093c7072a47070aeef1f69de6163b18eb9ada9541acb15957350b
MD5 hash:
560db1718a6c91c6a782d7ac7b3da3e3
SHA1 hash:
355f2f6c79da4a005a9999ed5771b21b091ab393
Link:
https://www.unpac.me/results/f72de802-5d6f-433d-9602-a23210bd0d55/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/58a7f5218060/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/58a7f521806093c7072a47070aeef1f69de6163b18eb9ada9541acb15957350b

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/277239/

Comments