MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6575fa393fb6628051e380e29e2933ceceb9099e1d6378ac2b137478b732ab5a. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6575fa393fb6628051e380e29e2933ceceb9099e1d6378ac2b137478b732ab5a
SHA3-384 hash: 15ceecf1c365a3b6825e696494c78512c39093be529c03cbeef6958877e9aef7af461a00e5624312d6344213fc864bfb
SHA1 hash: aefb3c726f815e32e5b687b197dc3098ad3afb2e
MD5 hash: 6725756a75b2344496185e0b8253c35f
humanhash: red-nevada-florida-equal
File name:6725756a75b2344496185e0b8253c35f.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:781'824 bytes
First seen:2021-07-28 18:32:25 UTC
Last seen:2021-07-28 19:50:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:VCGKTM4h6aKISXNZDrE1uHs7kKT4xBsAc58gZ4SQav9u3AIXl3IgSXyQLV82:V4haTDrE1h8fyygZnQag3AIXlPSCQLVD
Threatray 371 similar samples on MalwareBazaar
TLSH T10FF413F0B644E976C1396633A5B37E745E920BBBD60ABF18206A0F533394346EF32915
dhash icon b168eae46c39d928 (9 x AgentTesla, 8 x SnakeKeylogger, 6 x BitRAT)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6725756a75b2344496185e0b8253c35f.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-28 18:54:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/afc6ad3e-3bbd-49dd-9316-70e3f69f88d2

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/174814/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.14727.1371.14672.UNOFFICIAL
Create hunting rule

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/217754e4-85af-424c-a56f-0a448c96ab96
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/823316
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates an undocumented autostart registry key
Delayed program exit found
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Injects a PE file into a foreign processes
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
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicious Svchost Process
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 455730 Sample: ozVOq64vW2.exe Startdate: 28/07/2021 Architecture: WINDOWS Score: 100 58 github.com 2->58 60 avatars.githubusercontent.com 2->60 72 Malicious sample detected (through community Yara rule) 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 8 other signatures 2->78 10 ozVOq64vW2.exe 3 8 2->10         started        signatures3 process4 file5 48 C:\Users\user\AppData\...\firewall.exe, PE32 10->48 dropped 50 C:\Users\user\AppData\...\InstallUtil.exe, PE32 10->50 dropped 52 C:\Users\user\AppData\Local\...\_Wrpjden.vbs, ASCII 10->52 dropped 54 C:\Users\user\AppData\...\ozVOq64vW2.exe.log, ASCII 10->54 dropped 80 Creates an undocumented autostart registry key 10->80 14 InstallUtil.exe 10->14         started        17 InstallUtil.exe 3 3 10->17         started        20 wscript.exe 1 10->20         started        signatures6 process7 dnsIp8 82 Detected unpacking (creates a PE file in dynamic memory) 14->82 84 Contains functionality to steal Chrome passwords or cookies 14->84 86 Contains functionality to inject code into remote processes 14->86 98 2 other signatures 14->98 56 eter101.dvrlists.com 23.94.54.231, 2050, 49748 AS-COLOCROSSINGUS United States 17->56 88 Writes to foreign memory regions 17->88 90 Allocates memory in foreign processes 17->90 92 Installs a global keyboard hook 17->92 94 Injects a PE file into a foreign processes 17->94 22 svchost.exe 13 17->22         started        24 svchost.exe 17->24         started        96 Wscript starts Powershell (via cmd or directly) 20->96 26 powershell.exe 11 20->26         started        signatures9 process10 process11 28 chrome.exe 392 22->28         started        31 conhost.exe 22->31         started        33 chrome.exe 22->33         started        35 conhost.exe 24->35         started        37 chrome.exe 24->37         started        39 conhost.exe 26->39         started        dnsIp12 68 192.168.2.1 unknown unknown 28->68 70 239.255.255.250 unknown Reserved 28->70 41 chrome.exe 28->41         started        44 chrome.exe 31->44         started        46 chrome.exe 33->46         started        process13 dnsIp14 62 googlehosted.l.googleusercontent.com 172.217.168.1, 443, 49795 GOOGLEUS United States 41->62 64 accounts.google.com 216.58.215.237, 443, 49757 GOOGLEUS United States 41->64 66 8 other IPs or domains 41->66
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Dothetuk
Create hunting rule
Status:
Malicious
First seen:
2021-07-28 00:53:24 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0b1970568987b6e2a949dde9d4e249d704cbfaf622c80741db02dd711838abff
RemcosRAT
1974f2f3c94bc79af6872802cae45f9113ce6b708635930a77aa73db92898852
RemcosRAT
1a5fef4a3bbce0a3e77343c3794484a88a4cbe42a466e09749aba58ea081bd8d
RemcosRAT
38520db387146a005345d7862edcd4a22d3b4db1c7ae863202fa60b0eab42166
RemcosRAT
41ed87725575a97d3f1a04554cb78dd3fb973e209950d2f7c54168626ce57ef4
RemcosRAT
5541f9d1656fe9d24b9048afc1dd005bf25d9aacac4e57f932bbdb19919776dd
RemcosRAT
6b4a57c6eb6a005e9641a19c161334890128dfd6b15477f1add890041b7c8bf8
RemcosRAT
cbe42b277b9e2d8ad915917a6c9a6cca9858efb70c342462a0a6701b39dda1fc
RemcosRAT
+ 361 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:july build rat
Link:
https://tria.ge/reports/210728-9rrlwbzhjn/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
eter101.dvrlists.com:2050
eter103.dvrlists.com:2050
Unpacked files
SH256 hash:
f9eb517b044b33b07a1c2c4efbb63ce488f2064f6c398898e0c0f40a8caa967c
MD5 hash:
3a2f2124ac90a09855272eeb577fef1a
SHA1 hash:
88995fa40d9c82be9b53a970060a71b15c8aa95c
Link:
https://www.unpac.me/results/890800ea-829e-4a28-84c6-5f57b47f5667/
SH256 hash:
187cb2f9b29877843213d2d1e109d6b8070629f58f913a220d9f9783d0e00b34
MD5 hash:
d716c47b508205f52baca0472c433a46
SHA1 hash:
6fe62455383dc4637a23062fb6f292a319977ea2
Link:
https://www.unpac.me/results/890800ea-829e-4a28-84c6-5f57b47f5667/
SH256 hash:
86d52426fa25baec1c87b0cc13053208b2ef2a3ef35178d426b9d06eac22a380
MD5 hash:
b1f7b1e15b3f449ffa0115093f98dc01
SHA1 hash:
08bbdc3b4525da4588866551cb56cfa0ea999aec
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/890800ea-829e-4a28-84c6-5f57b47f5667/
Parent samples :
6575fa393fb6628051e380e29e2933ceceb9099e1d6378ac2b137478b732ab5a
f980b2377c9cd2ff4415608fff97031062be1788bfd981ae55f9e92c4985ada4
SH256 hash:
6575fa393fb6628051e380e29e2933ceceb9099e1d6378ac2b137478b732ab5a
MD5 hash:
6725756a75b2344496185e0b8253c35f
SHA1 hash:
aefb3c726f815e32e5b687b197dc3098ad3afb2e
Link:
https://www.unpac.me/results/890800ea-829e-4a28-84c6-5f57b47f5667/
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/6575fa393fb6628051e380e29e2933ceceb9099e1d6378ac2b137478b732ab5a

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:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Create hunting rule
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 6575fa393fb6628051e380e29e2933ceceb9099e1d6378ac2b137478b732ab5a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1453034/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/174814/

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