MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 076b28855c1f83d5ee34627d5cd6991840e32767415837fd950617a0486b19cb. 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: 11


Intelligence 11 IOCs 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 076b28855c1f83d5ee34627d5cd6991840e32767415837fd950617a0486b19cb
SHA3-384 hash: 875e32a9c6b702fa2e7beae83a86a0e8cb4c97494405b4aef1fd3daea45f0ee496d92c293f4cb82dfce7400dc592a3c3
SHA1 hash: 7618ae4620c54566ae5f73309be057fc8c06500b
MD5 hash: 41ec449d4cea1c6100c00e46be1ff942
humanhash: steak-solar-december-stream
File name:4940009190,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'081'856 bytes
First seen:2021-11-04 07:15:06 UTC
Last seen:2021-11-04 08:29:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a909072c8ac1c865a094bf6cee9a4d60 (6 x RemcosRAT, 5 x Formbook)
ssdeep 12288:JmF8ukZ1BjH652L9a3ZV6ImC/KGaIEfrcSjzMYIO3pxhOtFuhe3CL+NdJydmf:JywJjf9QVOg6zZ3nheu8swJ
TLSH T145358D3173F2B936C063523C9E5792746E36FFF82934EE041EA46E0A4F766023529997
File icon (PE):PE icon
dhash icon 697110152b2b1530 (9 x RemcosRAT, 6 x Formbook)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
79.134.225.10:6354

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
79.134.225.10:6354 https://threatfox.abuse.ch/ioc/241773/

Intelligence

File Origin
# of uploads :
2
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4940009190,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-11-04 07:17:38 UTC
Tags:
trojan rat remcos
Link:
https://app.any.run/tasks/3d86bb9e-026f-4fdd-b2aa-654e30729e91

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/202174/
Detection(s):
SecuriteInfo.com.Artemis41EC449D4CEA.23656.22528.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
67%
Tags:
keylogger
Link:
https://www.filescan.io/uploads/618388b49982ff7c3f7f5471/reports/f7ae442f-26e4-4db0-bf13-58ee89c3a9f8/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:
Malicious
Link:
https://analyze.intezer.com/analyses/28d00a57-dcb8-4f53-bf63-c2f147a9c985
Result
Threat name:
Remcos DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/882958
Signature
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 515391 Sample: 4940009190,pdf.exe Startdate: 04/11/2021 Architecture: WINDOWS Score: 100 43 onedrive.live.com 2->43 45 flkvqa.dm.files.1drv.com 2->45 47 dm-files.fe.1drv.com 2->47 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 5 other signatures 2->65 9 4940009190,pdf.exe 1 22 2->9         started        14 Aitctadp.exe 2->14         started        16 Aitctadp.exe 2->16         started        signatures3 process4 dnsIp5 51 onedrive.live.com 9->51 53 flkvqa.dm.files.1drv.com 9->53 55 dm-files.fe.1drv.com 9->55 41 C:\Users\Public\Libraries\...\Aitctadp.exe, PE32 9->41 dropped 69 Writes to foreign memory regions 9->69 71 Creates a thread in another existing process (thread injection) 9->71 73 Injects a PE file into a foreign processes 9->73 18 cmd.exe 1 9->18         started        21 cmd.exe 1 9->21         started        23 logagent.exe 2 9->23         started        file6 signatures7 process8 dnsIp9 57 Uses cmd line tools excessively to alter registry or file data 18->57 26 cmd.exe 1 18->26         started        29 conhost.exe 18->29         started        31 reg.exe 1 21->31         started        33 conhost.exe 21->33         started        49 dfrannks.ddns.net 79.134.225.10, 49846, 6354 FINK-TELECOM-SERVICESCH Switzerland 23->49 signatures10 process11 signatures12 67 Uses cmd line tools excessively to alter registry or file data 26->67 35 conhost.exe 26->35         started        37 reg.exe 1 26->37         started        39 conhost.exe 31->39         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/076b28855c1f83d5ee34627d5cd6991840e32767415837fd950617a0486b19cb/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-11-04 07:16:06 UTC
AV detection:
4 of 44 (9.09%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=a5vsrbk4d6b5l3rumj6vzvuzdbaogj3hifmdp7mvayl2asdldhfq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:great persistence rat suricata
Link:
https://tria.ge/reports/211104-h3s7vsdbfn/
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
Malware Config
C2 Extraction:
dfrannks.ddns.net:6354
Unpacked files
SH256 hash:
b54acef9838cff6393d79dda537a22d53898471f564b788cb435f9eb9c14260a
MD5 hash:
30ce6fdc8056eb47d2d9d08479cd1468
SHA1 hash:
1eb253077018219fead30b06acf756605d92dfeb
Detections:
win_temple_loader_w0
Create hunting rule
Link:
https://www.unpac.me/results/698b3076-2493-4f2b-9e0a-3f68affe26b8/
Parent samples :
8406a7711b994e88a676af2eb5c9ec007dc91004e440e866d0c4bda8dd6e04ab
076b28855c1f83d5ee34627d5cd6991840e32767415837fd950617a0486b19cb
1cdcb4a583816fc3478e46c2db3d523332c4e88b0335501e31a6a0bf7084871f
6aece77e910abb363eae0ce97965198b89685a37414472be0320c88a9f5a44b3
2ca64cfb392dd47b94764fd043ef8aa654cda9a022668d94d99725d197fc3da6
0892f3b3de736822be2fa4913317b3926526e3289f9cf05a4015e5f9f01bef91
bb6ccf663f9bdaa2bcc49e79c1e94b06a1d575c3132767eb5b0116f93b881cbd
5b1f147d44d76bb57854bab35c1ed7c5b20d85868c9727c01f4c6ca826bbe6dd
a4c57d9643f299829a1239d5142a1aa19f89cc75de74501f656f03df0150c8ea
f4097221e19342e5b91103161eb7aaec277ff47ea694a86b92f7574be7959cc7
e6d92da520f7537c283b5a1424651263a2098a4b97e7f3b655cabed43b15015b
408d06eb0f8df445f72b771e26fac033f6a71f867d1bb5a1f78320e99b30d331
84e88e073e0fba18a2b05e25bb904a26cdb9f800ef7c6d39d85daacd88c56b76
1d7800d50de8019f5f30a281730f4a77a39b14bff8bc385a302508eed2cfa5be
85ba079f07da66a80dee82f93da2a0cd002d1cbd00bd285011288b04340a8d52
SH256 hash:
076b28855c1f83d5ee34627d5cd6991840e32767415837fd950617a0486b19cb
MD5 hash:
41ec449d4cea1c6100c00e46be1ff942
SHA1 hash:
7618ae4620c54566ae5f73309be057fc8c06500b
Link:
https://www.unpac.me/results/698b3076-2493-4f2b-9e0a-3f68affe26b8/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/076b28855c1f/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/076b28855c1f83d5ee34627d5cd6991840e32767415837fd950617a0486b19cb

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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

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/202174/

Comments