MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70844fa5991d0089d8e76bb510ba8aeaeb1f0f053741c5876b15c4ced5075dc9. 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: 17


Intelligence 17 IOCs YARA 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 70844fa5991d0089d8e76bb510ba8aeaeb1f0f053741c5876b15c4ced5075dc9
SHA3-384 hash: 0f3c0e9aba46fcbd8bbc634cfaddcf27e141828718e78df427fa0ee89876abac0940e1fd4274217bb68b7f23fa687de0
SHA1 hash: cb423d05c63a541037eb43fcde29132830cc2ebf
MD5 hash: deee153e2ae4b7e00e4f9b275ea403ae
humanhash: beer-comet-skylark-delta
File name:zapytanie ofertowe.bat.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:520'192 bytes
First seen:2023-09-15 12:10:24 UTC
Last seen:2023-09-15 12:39:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2c13b01641edb95de78761affa09fc50 (2 x Stealc, 2 x RedLineStealer, 1 x Smoke Loader)
ssdeep 12288:UoZ5m5Fg/u9yQSsOvXmGx9QSVFXYQYICt:Uo2XfyjsOvt9QSVFXYQ
Threatray 428 similar samples on MalwareBazaar
TLSH T1E2B4D003F2907D60DA250F738E6FC6E43A2DF9618E697B671318AE2F09B31B1D162715
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 64d4dccccadcdce4 (1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
172.81.60.60:3467

Intelligence

File Origin
# of uploads :
2
# of downloads :
328
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
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ID:
1
File name:
zapytanie ofertowe.bat.exe
Verdict:
Malicious activity
Analysis date:
2023-09-15 12:13:07 UTC
Tags:
rat remcos stealer
Link:
https://app.any.run/tasks/81cbefd1-94e6-4842-bc3d-a389e97a0657

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/448834/
Detection(s):
SecuriteInfo.com.Win32.RansomX-gen.28168.21860.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin masquerade packed remcos shell32
Link:
https://www.filescan.io/uploads/650449d725e2ece4df6f2d21/reports/5c2cdeb5-f256-4fa5-b91a-09b825b5730f/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/70844fa5991d0089d8e76bb510ba8aeaeb1f0f053741c5876b15c4ced5075dc9
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2eacbebb-2f81-47bb-a5c2-40bd895b6334
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1308922
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates autostart registry keys with suspicious names
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1308922 Sample: zapytanie_ofertowe.bat.exe Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 9 other signatures 2->44 7 zapytanie_ofertowe.bat.exe 2 4 2->7         started        11 rem.exe 2->11         started        process3 file4 32 C:\ProgramData\Rem\rem.exe, PE32 7->32 dropped 52 Contains functionality to bypass UAC (CMSTPLUA) 7->52 54 Detected unpacking (changes PE section rights) 7->54 56 Detected unpacking (overwrites its own PE header) 7->56 58 7 other signatures 7->58 13 rem.exe 3 14 7->13         started        17 WerFault.exe 9 7->17         started        19 WerFault.exe 9 7->19         started        21 4 other processes 7->21 signatures5 process6 dnsIp7 34 172.81.60.60, 3467, 49713, 49714 ESITEDUS United States 13->34 36 geoplugin.net 178.237.33.50, 49715, 80 ATOM86-ASATOM86NL Netherlands 13->36 60 Multi AV Scanner detection for dropped file 13->60 62 Contains functionality to bypass UAC (CMSTPLUA) 13->62 64 Detected unpacking (changes PE section rights) 13->64 66 8 other signatures 13->66 23 rem.exe 13->23         started        26 rem.exe 13->26         started        28 rem.exe 13->28         started        30 10 other processes 13->30 signatures8 process9 signatures10 46 Tries to steal Instant Messenger accounts or passwords 23->46 48 Tries to steal Mail credentials (via file / registry access) 23->48 50 Tries to harvest and steal browser information (history, passwords, etc) 26->50
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/70844fa5991d0089d8e76bb510ba8aeaeb1f0f053741c5876b15c4ced5075dc9/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-09-15 12:11:06 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=occe7jmzduaitwhhno2rbouk5lvr6dyfg5a4lb3lcxcm5vihlxeq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
456f09b71ed09cbc590f6a3b8d5aacc7f0fb94521d8b19b80d2a201e5f73b5a0
RemcosRAT
b2823172397c389e1ff948bd03473193ed8527eb19edff06cbb16e2b43ebc19f
RemcosRAT
b2d5e15268cb130c995118e17afa1198ca19604a20b91f1907a7ef18210db30f
RemcosRAT
bad6dc695ec91155fbf548d43e3039c1b694db28c1a713b81ecc2d59674635cb
RemcosRAT
d4da52e07bcf01df28c9106df95b75385eef2c06e3c4754efa6d1b772e940ea7
RemcosRAT
ffbd296a47663a4d2ea7ff9ba93e580112f0eca613b93d4956edd34fa62dcb30
RemcosRAT
+ 418 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remote collection persistence rat spyware stealer
Link:
https://tria.ge/reports/230915-pck7wsec66/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
172.81.60.60:3467
Unpacked files
SH256 hash:
94a01faed1930d368a03b48c2566b013242d2906757a034772a210c2e459d28f
MD5 hash:
0a3ba8442b6d6af18613e34921ef576b
SHA1 hash:
f7b01340e9aa239e562db108caa7a1c674334488
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/41d64d2f-f6e7-4363-8a1d-637d143732f1/
SH256 hash:
70844fa5991d0089d8e76bb510ba8aeaeb1f0f053741c5876b15c4ced5075dc9
MD5 hash:
deee153e2ae4b7e00e4f9b275ea403ae
SHA1 hash:
cb423d05c63a541037eb43fcde29132830cc2ebf
Link:
https://www.unpac.me/results/41d64d2f-f6e7-4363-8a1d-637d143732f1/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/70844fa5991d/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/70844fa5991d0089d8e76bb510ba8aeaeb1f0f053741c5876b15c4ced5075dc9

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:TeslaCryptPackedMalware
Create hunting rule
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yara_template
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/448834/

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