MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb1947ffed6c5538fc714caa887ad1ef47185a1e76fac318cd7b7a8216561619. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb1947ffed6c5538fc714caa887ad1ef47185a1e76fac318cd7b7a8216561619
SHA3-384 hash: a29639aa215e2bb32e3d9031c73d1450bc4da851909a481407463a5967ab71a50bda04ab36dc782297cbc615309df505
SHA1 hash: 9806b730358b838eb355efb793b657ff2ecc570a
MD5 hash: 3bc08e00ecef320c41b327060c3cbd2e
humanhash: queen-oregon-four-alabama
File name:3bc08e00ecef320c41b327060c3cbd2e
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'081'856 bytes
First seen:2022-08-06 08:06:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:hSLlpxr1fj/pR2yzap+OpZ1KGRvT4779teK:MrNpkzp+G1KGaX9h
Threatray 2'090 similar samples on MalwareBazaar
TLSH T19C3501819367AF37F1787AB3B15480482B31152D91E2E2249BEDB8EE25B5B130DF4B17
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
357
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ORDER Wipak - OY 89479444.xlsx
Verdict:
Malicious activity
Analysis date:
2022-08-05 09:34:03 UTC
Tags:
exploit CVE-2017-11882
Link:
https://app.any.run/tasks/29668b80-a8c1-446b-a816-84ea48a32109

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/296851/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
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/62ee21abb7eec6562790d361/reports/2de94961-81fd-443f-a1c2-1a93dd43b358/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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9724b1ed-86db-47c4-8d15-b24c26fad946
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1047216
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 679710 Sample: 3qxLXnFboi Startdate: 06/08/2022 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 Antivirus detection for dropped file 2->59 61 11 other signatures 2->61 8 3qxLXnFboi.exe 7 2->8         started        12 remcos.exe 2->12         started        14 remcos.exe 2->14         started        16 remcos.exe 2->16         started        process3 file4 47 C:\Users\user\AppData\...\xWKkbJbWKdl.exe, PE32 8->47 dropped 49 C:\Users\...\xWKkbJbWKdl.exe:Zone.Identifier, ASCII 8->49 dropped 51 C:\Users\user\AppData\Local\...\tmp6FB3.tmp, XML 8->51 dropped 53 C:\Users\user\AppData\...\3qxLXnFboi.exe.log, ASCII 8->53 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 8->63 65 Writes to foreign memory regions 8->65 67 Adds a directory exclusion to Windows Defender 8->67 69 Injects a PE file into a foreign processes 8->69 18 MSBuild.exe 5 4 8->18         started        21 powershell.exe 24 8->21         started        23 schtasks.exe 1 8->23         started        25 conhost.exe 12->25         started        27 conhost.exe 14->27         started        29 conhost.exe 16->29         started        signatures5 process6 file7 43 C:\Users\user\AppData\Local\...\install.vbs, data 18->43 dropped 45 C:\ProgramData\Remcos\remcos.exe, PE32 18->45 dropped 31 wscript.exe 1 18->31         started        33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        process8 process9 37 cmd.exe 1 31->37         started        39 remcos.exe 2 33->39         started        41 conhost.exe 33->41         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fb1947ffed6c5538fc714caa887ad1ef47185a1e76fac318cd7b7a8216561619/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-05 01:41:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7mmup77nnrktr7drjsviq6wr55drqwq6o35mgggnpn5iefswcymq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0f04d67901cbdd7f63f9aaf7c5e8493e8d5f4347df701f214232c761d489aeba
RemcosRAT
3e19a176f456db3316b84a9a5bedaeae9323a65d035d285c486b518829aaa5d4
RemcosRAT
6e32755e959eedb7b200382f137bf89e6319644ffab4b52322c70f1d0e4f11e7
RemcosRAT
910d9b435b172c50ad6cde23d820b4e1f07197e82ecdece15a74fbe750584378
RemcosRAT
dff9dfa64f1a603197abded9f5942b83efab0c71520a4fe028ba8fb79cfe7b11
RemcosRAT
e93e5b0f594a010610642083421a9609b380eed335cba10a1138ca31e44c4166
RemcosRAT
+ 2'080 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220806-jzze5sehd7/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
37.0.14.206:3352
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/a7beeb41-3cb7-4ac2-bde3-b2b3bda26fe9/
SH256 hash:
fab4cba0e292391a6cc3ae24cf2ab6b5d0f288e65f8c409297ff8311cf9511a5
MD5 hash:
a6e611879bb23ecbca033e001bfc956f
SHA1 hash:
e08e68ce07d593e0789356723f56dc6bb4cbd3d8
Link:
https://www.unpac.me/results/a7beeb41-3cb7-4ac2-bde3-b2b3bda26fe9/
SH256 hash:
78895c87e0d61f055971d1049545ee2e42db86f8b3fd4dc0186c350a2bef4da4
MD5 hash:
87435ab499577a452877d77f6ff0e2b8
SHA1 hash:
b3318766f0ddba86feb139a1ebafedc19120dcfe
Link:
https://www.unpac.me/results/a7beeb41-3cb7-4ac2-bde3-b2b3bda26fe9/
SH256 hash:
1b0cc2a92dfb15846de5c04b121f65139f3718b6c465d43b0b0d04933c3068a5
MD5 hash:
0a163dd1d4b3ff419b57d0b67e53ddc8
SHA1 hash:
60fee193513f113695df61e2ae26ab5688181801
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/a7beeb41-3cb7-4ac2-bde3-b2b3bda26fe9/
Parent samples :
fb1947ffed6c5538fc714caa887ad1ef47185a1e76fac318cd7b7a8216561619
1b0cc2a92dfb15846de5c04b121f65139f3718b6c465d43b0b0d04933c3068a5
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
Link:
https://www.unpac.me/results/a7beeb41-3cb7-4ac2-bde3-b2b3bda26fe9/
SH256 hash:
fb1947ffed6c5538fc714caa887ad1ef47185a1e76fac318cd7b7a8216561619
MD5 hash:
3bc08e00ecef320c41b327060c3cbd2e
SHA1 hash:
9806b730358b838eb355efb793b657ff2ecc570a
Link:
https://www.unpac.me/results/a7beeb41-3cb7-4ac2-bde3-b2b3bda26fe9/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fb1947ffed6c/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/fb1947ffed6c5538fc714caa887ad1ef47185a1e76fac318cd7b7a8216561619

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 fb1947ffed6c5538fc714caa887ad1ef47185a1e76fac318cd7b7a8216561619

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2266922/
Cape
Cape
https://www.capesandbox.com/analysis/296851/

Comments


Avatar
zbet commented on 2022-08-06 08:06:31 UTC

url : hxxps://pkusukoharjo.com/Tripolo/rembull.exe