MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f7ecd2daaf1928bdcb388f57bc5f02874eee217f02e0bf4ce06d6566b97283e. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f7ecd2daaf1928bdcb388f57bc5f02874eee217f02e0bf4ce06d6566b97283e
SHA3-384 hash: 06eb8690141cb43667111ed4f73fc039344f82d4f56b39fab97d77bcfaae71a605a06b87d26713d99fc20c4239c02154
SHA1 hash: b2b5123e4400c6d5b1ab45119b9c931070292739
MD5 hash: 1951380e00b9612bff7fbff4842aa76e
humanhash: georgia-lactose-foxtrot-ohio
File name:FED Gov Approved Certificates.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'009'584 bytes
First seen:2022-02-21 19:46:08 UTC
Last seen:2022-02-22 10:01:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:IE8blSNiERSKbGD2XwTUDZ/GfK5qziN7KlVAAJ7N4I99hl/9158sVr67+Bv:ri65S/2AoUfI8iQVFp4Qhl/G2y+d
Threatray 5'297 similar samples on MalwareBazaar
TLSH T1FA25CF32235C6F5BE23EB57596244405D3F1AA8B1535CEFF3CE154C82AF1F024BA19AA
File icon (PE):PE icon
dhash icon e496464e398b8ee8 (5 x Stealc, 3 x Rhadamanthys, 3 x DanaBot)
Reporter TeamDreier
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/243043/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Running batch commands
Creating a file in the %temp% directory
Launching a process
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated overlay packed packed update.exe
Link:
https://www.filescan.io/uploads/6213ec3ea2660f3bb91de0a2/reports/7dbc595f-64db-4740-8d35-690e20df88eb/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a37e7750-caba-4dce-b36f-db4bb1925780
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/943467
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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 malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 575943 Sample: FED Gov Approved Certificates.exe Startdate: 21/02/2022 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 5 other signatures 2->63 8 FED Gov Approved Certificates.exe 4 2->8         started        12 AppBrowserUpadets.exe 3 2->12         started        process3 file4 47 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 8->47 dropped 49 C:\...\FED Gov Approved Certificates.exe.log, ASCII 8->49 dropped 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->65 14 BackgroundTransferHost.exe 13 8->14         started        17 cmd.exe 1 8->17         started        19 cmd.exe 3 8->19         started        67 Multi AV Scanner detection for dropped file 12->67 69 Machine Learning detection for dropped file 12->69 71 Writes to foreign memory regions 12->71 73 Injects a PE file into a foreign processes 12->73 22 AddInProcess32.exe 2 2 12->22         started        signatures5 process6 dnsIp7 81 Uses ping.exe to sleep 14->81 25 AppBrowserUpadets.exe 2 14->25         started        28 PING.EXE 1 14->28         started        31 conhost.exe 14->31         started        33 PING.EXE 1 14->33         started        83 Uses ping.exe to check the status of other devices and networks 17->83 35 PING.EXE 1 17->35         started        37 conhost.exe 17->37         started        39 reg.exe 1 1 17->39         started        43 C:\Users\user\...\AppBrowserUpadets.exe, PE32 19->43 dropped 45 C:\...\AppBrowserUpadets.exe:Zone.Identifier, ASCII 19->45 dropped 51 91.193.75.188, 60001 DAVID_CRAIGGG Serbia 22->51 85 Contains functionality to steal Chrome passwords or cookies 22->85 87 Contains functionality to inject code into remote processes 22->87 89 Contains functionality to steal Firefox passwords or cookies 22->89 91 2 other signatures 22->91 file8 signatures9 process10 dnsIp11 75 Writes to foreign memory regions 25->75 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->77 79 Injects a PE file into a foreign processes 25->79 41 AddInProcess32.exe 25->41         started        53 192.168.2.1 unknown unknown 28->53 55 127.0.0.1 unknown unknown 35->55 signatures12 process13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f7ecd2daaf1928bdcb388f57bc5f02874eee217f02e0bf4ce06d6566b97283e/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-02-21 19:47:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
125
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r57m2lnk6gjixxftrd2xxrpqfb2o5yqx6axax5goa3lfm24xfa7a._file
Verdict:
malicious
Similar samples:
14d1b90e0c7a7109c610280bcf7201c4ed8b565e04ca74ec049c07f5fa8df337
RemcosRAT
22512680072190841299ff6b78ddc17fe240c0a7600b51ec7e14b35403c7a8a7
RemcosRAT
68c0f9e10a5529d1a3d7031f4364a7e04746db13515041c94ceecf9a706fc671
RemcosRAT
712d99f8fa44abad1c6e9395b8236c6a7a1247c767e51721445111a22568742c
RemcosRAT
8d0d2500dfd003f6c3d097613fa435fdeb0607350856af9b24cb58c87acb2954
RemcosRAT
9f3e8d8d088ecf0b56a9550796d1df4168ba8354c26b8a2692703ff691e47b1e
RemcosRAT
cc93c7587dba9e4af2265a77a349230cb8ab0a0d8c524f4cfad4886fad7a34ab
RemcosRAT
d5f80e9387db18edbf4d102bbdb0fc8e9234674c9ccfd7e198f348c4be55e8bf
RemcosRAT
+ 5'287 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:googleappupdatehost persistence rat
Link:
https://tria.ge/reports/220221-yhjqpaaha2/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
91.193.75.188:60001
Unpacked files
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
Link:
https://www.unpac.me/results/381ff495-e29b-47f5-ba83-a32262daadbb/
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
Link:
https://www.unpac.me/results/381ff495-e29b-47f5-ba83-a32262daadbb/
SH256 hash:
8426fd32ca58e7c77d51f9ee9f13dd84e7ef07ee1fe028b55fde07de922e905b
MD5 hash:
d5d45b4ae11b5ec2bb29cd7530b8e248
SHA1 hash:
7b40a7d7aa20c8517fc96796e81cf85a2d3a9158
Link:
https://www.unpac.me/results/381ff495-e29b-47f5-ba83-a32262daadbb/
SH256 hash:
25abd4f5cd35e8fed289538e023a6e023590ec9fbd8a5b88b219ae19ee7d4a75
MD5 hash:
3632dc3f75848da0484763475a3980bc
SHA1 hash:
14099f208cbc4fbbd7714499095f343e1aeaa64f
Link:
https://www.unpac.me/results/381ff495-e29b-47f5-ba83-a32262daadbb/
SH256 hash:
ed7fd5046ae5126f03fb2f4dfc21106136775813064c1936398afb404bf4894e
MD5 hash:
8b417ea1ae9e72aa3fe1884047dbfef4
SHA1 hash:
046d850a592c50ac90a3440b13de662186277f5c
Link:
https://www.unpac.me/results/381ff495-e29b-47f5-ba83-a32262daadbb/
SH256 hash:
8f7ecd2daaf1928bdcb388f57bc5f02874eee217f02e0bf4ce06d6566b97283e
MD5 hash:
1951380e00b9612bff7fbff4842aa76e
SHA1 hash:
b2b5123e4400c6d5b1ab45119b9c931070292739
Link:
https://www.unpac.me/results/381ff495-e29b-47f5-ba83-a32262daadbb/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8f7ecd2daaf1/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/8f7ecd2daaf1928bdcb388f57bc5f02874eee217f02e0bf4ce06d6566b97283e

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:quakbot_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:silentbuilder_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
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.

Malspam

RemcosRAT

Executable exe 8f7ecd2daaf1928bdcb388f57bc5f02874eee217f02e0bf4ce06d6566b97283e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/243043/

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