MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 881c36d477296d428586f4dbb755fe83e9f4a2555d5f7f3cb463c63703c101f7. 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: 881c36d477296d428586f4dbb755fe83e9f4a2555d5f7f3cb463c63703c101f7
SHA3-384 hash: 20972642e9a0cdcfc51a74d1dfadc709fba4ff5e29116bbedf0b2e6a68c86814dfff59db11668d5328a70abe6101a101
SHA1 hash: abf31dbf02956c31e66a5b8ec7b9a28cd6549d44
MD5 hash: 93e6bdfffed35cb66fa61ce00043fa1a
humanhash: april-princess-papa-batman
File name:Request For Quotation 01.300.TRGVH.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'306'624 bytes
First seen:2022-10-22 18:04:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:/KP1pngzLFlocTk8f0n4aF1kqBOsK+VUqV:/YLmLFlO8snnOoYUvV
Threatray 3'908 similar samples on MalwareBazaar
TLSH T1C2559CB626C14517E4193A768083D1F326FBAE416442E2C3A5D71F6FBC852FB961338B
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Request For Quotation 01.300.TRGVH.exe
Verdict:
Malicious activity
Analysis date:
2022-10-22 18:07:48 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/bc88c269-862b-4599-8c1e-7c69192e0c49

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/322726/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/635430d0339362a6061b47b6/reports/bf24a380-081b-45bf-a26c-56e8550557de/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:
Malicious
Link:
https://analyze.intezer.com/analyses/6cc480f8-3aec-4953-bf6b-43b718effc48
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1095591
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 728232 Sample: Request For Quotation 01.30... Startdate: 22/10/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 9 other signatures 2->56 7 Request For Quotation 01.300.TRGVH.exe 7 2->7         started        11 dWkgSdNJpgBt.exe 5 2->11         started        process3 file4 36 C:\Users\user\AppData\...\dWkgSdNJpgBt.exe, PE32 7->36 dropped 38 C:\Users\...\dWkgSdNJpgBt.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp819F.tmp, XML 7->40 dropped 42 Request For Quotat...1.300.TRGVH.exe.log, ASCII 7->42 dropped 58 Adds a directory exclusion to Windows Defender 7->58 60 Injects a PE file into a foreign processes 7->60 13 Request For Quotation 01.300.TRGVH.exe 2 16 7->13         started        18 powershell.exe 21 7->18         started        20 powershell.exe 21 7->20         started        22 schtasks.exe 1 7->22         started        62 Multi AV Scanner detection for dropped file 11->62 64 Machine Learning detection for dropped file 11->64 24 schtasks.exe 11->24         started        26 dWkgSdNJpgBt.exe 11->26         started        signatures5 process6 dnsIp7 46 51.75.209.245, 2404, 49695 OVHFR France 13->46 48 geoplugin.net 178.237.33.50, 49696, 80 ATOM86-ASATOM86NL Netherlands 13->48 44 C:\ProgramData\remcos\logs.dat, data 13->44 dropped 66 Installs a global keyboard hook 13->66 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/881c36d477296d428586f4dbb755fe83e9f4a2555d5f7f3cb463c63703c101f7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-22 04:35:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=raodnvdxffwufbmg6tn3ovp6qpu7jisvlvpx6pfumpddoa6bah3q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1c6e03f0293adc6df77070e0e6988a677753333b185c5ab965d159d75e07b640
RemcosRAT
2f152a8da309e2878e0414477e27d6d041237de92c90f15e371c26ed9344cc40
RemcosRAT
2f883759c2fd1aefb2578344f0ed2de3540ed71bb325ad6f20d58540cc10f79d
RemcosRAT
35285d5b859dd9b900b3fa09955edb78f80e7c707f4d3c2afb8c23de379fb37b
RemcosRAT
61a576cbf239d8e25ba3ea9109f42c1579287514f1a0921ae53c386c649dad67
RemcosRAT
80443f2c84c8a76f98bbfe9e84cfe4a006b2b77b99eb94b0aa3b070197bb58d7
RemcosRAT
825624416b00297bbc9a9544a99b2f5d32093307933009625d386b88c413405c
RemcosRAT
90aad12150ce71c784cb7e091100e33bd37c4572d7a93b88fb9d6d08f96200a0
RemcosRAT
b3dbe53fe29989df593f3777fe297e4840c2f004c1f069e77a8c0c79ba10698d
RemcosRAT
+ 3'898 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/221022-wn6fjaeca8/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
51.75.209.245:2404
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/23ca9cba-5ca5-41ba-80ef-b8cebaabe7e5
Unpacked files
SH256 hash:
0a8b70b33ceded0ea1ad2e7bb0f800770ca765f3922122c69c0e4ffa094aa5a5
MD5 hash:
5d1e46ab2ff0d4e2a422a8ebfe36b36c
SHA1 hash:
40d7390baf44b22280c133b60487015211a2516f
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/5c791be4-398f-4455-8b2c-e5a172a1f104/
Parent samples :
1c6e03f0293adc6df77070e0e6988a677753333b185c5ab965d159d75e07b640
881c36d477296d428586f4dbb755fe83e9f4a2555d5f7f3cb463c63703c101f7
SH256 hash:
f0494c592ba4510781e1c1d1d1a888157dfef39c930e9fdf70b54f4974f21f21
MD5 hash:
2052625ce9bd83ab051b1a530d91c140
SHA1 hash:
33d04b56f33c5908b10a199ce269e9ca17b20fa4
Link:
https://www.unpac.me/results/5c791be4-398f-4455-8b2c-e5a172a1f104/
SH256 hash:
d3a5b953451ddb8c2975a96a64ff371d251245bd62bd100acde4125d54543004
MD5 hash:
f123ae87d5b9e729aeb4bfc67f3ef064
SHA1 hash:
fa337d5702790b94fb039aa352668061954e225b
Link:
https://www.unpac.me/results/5c791be4-398f-4455-8b2c-e5a172a1f104/
SH256 hash:
70dfa4c873605ab0fcdcb62be2a970da110535280d8dc88261edbe1ed2865307
MD5 hash:
d5b0f8aff064b3e828421b48efccd312
SHA1 hash:
724f4bc7ab4e08c45562748b739c8f7496a5ad8f
Link:
https://www.unpac.me/results/5c791be4-398f-4455-8b2c-e5a172a1f104/
SH256 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
Link:
https://www.unpac.me/results/5c791be4-398f-4455-8b2c-e5a172a1f104/
SH256 hash:
881c36d477296d428586f4dbb755fe83e9f4a2555d5f7f3cb463c63703c101f7
MD5 hash:
93e6bdfffed35cb66fa61ce00043fa1a
SHA1 hash:
abf31dbf02956c31e66a5b8ec7b9a28cd6549d44
Link:
https://www.unpac.me/results/5c791be4-398f-4455-8b2c-e5a172a1f104/
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/881c36d477296d428586f4dbb755fe83e9f4a2555d5f7f3cb463c63703c101f7

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.

Malspam

RemcosRAT

Executable exe 881c36d477296d428586f4dbb755fe83e9f4a2555d5f7f3cb463c63703c101f7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/322726/

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