MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d87f600c35b4b795142195bbe75c8e1a80f3c587c0c5eea6afa20d2f6587861. 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: 4d87f600c35b4b795142195bbe75c8e1a80f3c587c0c5eea6afa20d2f6587861
SHA3-384 hash: 399c5cdafcc73316fbf6fa4b170ec51f03388e024cb127eca8cbffbb595c37e142003f94d5d6410ee79968764266f27a
SHA1 hash: 7bcd150f9e1377bb3439fac2d631a59c2bf06fac
MD5 hash: 3d21e82b2ab2331133cbf0fe32c43f7a
humanhash: music-princess-april-stream
File name:file
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:995'328 bytes
First seen:2022-11-24 16:32:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:jagh/PsZ1DX/VDJKqzbq+HyByFAchZgiHeRhWqK2N0xW8yhn4VTBRWhA84PT2kyD:jagh/PBUtjFxgUemxhyah7XTDTs
Threatray 4'044 similar samples on MalwareBazaar
TLSH T1F4256BCB1F300E84DB5F34715D8D1B8856923DA549F49CF22B35AA782D468BFA69233C
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter jstrosch
Tags:.NET exe MSIL RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
344
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Application_Form_2nd_Off_Romanenko_O.xlsx
Verdict:
Malicious activity
Analysis date:
2022-11-24 13:02:24 UTC
Tags:
exploit cve-2017-11882 loader rat remcos
Link:
https://app.any.run/tasks/64f0fa61-21af-4d9e-ab44-185dc02d161f

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/338141/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1617.14196.1590.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637f9cbf536377388865c27c/reports/952e19cd-0c14-4843-8604-86e41eb7d03f/overview
Result
Verdict:
UNKNOWN
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/218ddb62-547e-4134-aed1-68dfd95009ec
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1120656
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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
Sigma detected: Remcos
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: 753374 Sample: file.exe Startdate: 24/11/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for dropped file 2->52 54 Yara detected AntiVM3 2->54 56 6 other signatures 2->56 10 file.exe 3 2->10         started        14 qoc.exe 2 2->14         started        16 qoc.exe 2 2->16         started        process3 file4 44 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 10->44 dropped 60 Injects a PE file into a foreign processes 10->60 18 file.exe 4 4 10->18         started        21 qoc.exe 14->21         started        23 qoc.exe 16->23         started        signatures5 process6 file7 38 C:\Users\user\AppData\Roaming\qoc.exe, PE32 18->38 dropped 40 C:\Users\user\...\qoc.exe:Zone.Identifier, ASCII 18->40 dropped 42 C:\Users\user\AppData\Local\...\install.vbs, data 18->42 dropped 25 wscript.exe 1 18->25         started        process8 process9 27 cmd.exe 1 25->27         started        process10 29 qoc.exe 3 27->29         started        32 conhost.exe 27->32         started        signatures11 62 Multi AV Scanner detection for dropped file 29->62 64 Machine Learning detection for dropped file 29->64 66 Injects a PE file into a foreign processes 29->66 34 qoc.exe 2 15 29->34         started        process12 dnsIp13 46 gdyhjjdhbvxgsfe.gotdns.ch 37.139.129.71, 2718, 49716 LVLT-10753US Germany 34->46 48 geoplugin.net 178.237.33.50, 49717, 80 ATOM86-ASATOM86NL Netherlands 34->48 58 Installs a global keyboard hook 34->58 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d87f600c35b4b795142195bbe75c8e1a80f3c587c0c5eea6afa20d2f6587861/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-11-24 16:33:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
27 of 41 (65.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jwd7magdlnfxsukcdfn345oi4gua6pcypqgf52tk7iqnf5sypbqq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
4c26268e01117b5cf41d2f14689452912d708e64af0040ed75a40c94b0a943ea
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
ad87f3ad6fb14d2b79d7b7aac1b38bc04fd20757460da0f02cac139408df9969
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
e68ebc948356b0560fee06f52939504005fd848a93ccc41b4840c1db318a5409
RemcosRAT
+ 4'034 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/221124-t2hkhsfd65/
Behaviour
Modifies registry class
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/06b2d04c-914c-4bc1-8255-8c7fc2615104
Unpacked files
SH256 hash:
13e4327d4ec83c4090f653c54ce7691d0f20f6d1c2c1753dc1e9069d9ad4df4b
MD5 hash:
076fbbdc8d0f499b30772c065953c5a2
SHA1 hash:
d086a5492c255f9f2f498bc75e124f2cf8f351d6
Link:
https://www.unpac.me/results/fa0a385b-bdeb-4651-8d17-40cdc1f9484e/
SH256 hash:
a632d29b2bae392b67bd04de1f383c494b44496212a4f0613ba9c73a4c6559e3
MD5 hash:
5706375972b7539dd0664e7e759c5109
SHA1 hash:
d04fa1e834f9f2910f9410f4b8bb7842f67e43ad
Link:
https://www.unpac.me/results/fa0a385b-bdeb-4651-8d17-40cdc1f9484e/
SH256 hash:
4266003684354dcc1b96ebf61cab0d7fb2880dc4afda9bd152b8be67fb32d346
MD5 hash:
b09318824776f188b81122085a9597c7
SHA1 hash:
73121e9aaf5b66e0f2333594e49a3c52c0181a55
Link:
https://www.unpac.me/results/fa0a385b-bdeb-4651-8d17-40cdc1f9484e/
SH256 hash:
3b6702adc42117a38b7bf1717ecc841af3ee982b48993a566768ecfc9a731c5f
MD5 hash:
c5527397e4d461db1de61f0a6ce5b7b1
SHA1 hash:
2f1b077814e6e5167d5baca0004df0bfaa8eb3e5
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/fa0a385b-bdeb-4651-8d17-40cdc1f9484e/
Parent samples :
54b26ce37f6c901e3157fd3dffa4d49618db3eb9a529af1fe4311babe09ed9e2
3462127ba6b90b84e7d22a649863fef52cc1835604f0fb21a6b3e3f3a7694d92
59996e46fa86a5171913b9715a58b9a39d79fe78fadda1fa6e2480fefbcebe1e
614857a325730ca4d684d3311525cce25270bf147d39d454b6be9caa2f3fd407
dbcbb0b433f0069e78a928f136dbacf7af772069608adbf5897450fded17b7d8
c765e8e36e5a0531113150ee30a6f392100c40313c88ead534aa80643f88260d
7c33d44d75a37884953684b1ea29d1467e52a3793858e1557d1f3cefe3de2c34
4d87f600c35b4b795142195bbe75c8e1a80f3c587c0c5eea6afa20d2f6587861
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/fa0a385b-bdeb-4651-8d17-40cdc1f9484e/
SH256 hash:
4d87f600c35b4b795142195bbe75c8e1a80f3c587c0c5eea6afa20d2f6587861
MD5 hash:
3d21e82b2ab2331133cbf0fe32c43f7a
SHA1 hash:
7bcd150f9e1377bb3439fac2d631a59c2bf06fac
Link:
https://www.unpac.me/results/fa0a385b-bdeb-4651-8d17-40cdc1f9484e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4d87f600c35b/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/4d87f600c35b4b795142195bbe75c8e1a80f3c587c0c5eea6afa20d2f6587861

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.

Web download

RemcosRAT

Executable exe 4d87f600c35b4b795142195bbe75c8e1a80f3c587c0c5eea6afa20d2f6587861

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2432072/
Cape
Cape
https://www.capesandbox.com/analysis/338141/

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