MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcfaf32061b7ac3546b3d618dfea1372195cc4d57ff21de2cf6c918797cfa788. 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 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dcfaf32061b7ac3546b3d618dfea1372195cc4d57ff21de2cf6c918797cfa788
SHA3-384 hash: 800df13b06c0d209ab86c40c70cb4ce9f861104c7887c92f48e687b103cb1835e0aa252527f45289270719e519462d59
SHA1 hash: 79a1d3dc1a2c97c06f8749da5a9f4bc08ecc131f
MD5 hash: 7495739b74f9944c06d6b005421af606
humanhash: robert-kansas-chicken-seven
File name:kart gecmisi.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:591'872 bytes
First seen:2021-01-12 07:21:28 UTC
Last seen:2021-01-12 08:54:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:/dUq3pnpgVbFNhuuuuuuuuuuuuuuuuuuCTKI5/DX85JopCGbtRUo:VU8nGVbFieI5/DM5Jj0
Threatray 1'339 similar samples on MalwareBazaar
TLSH 4BC497D1F150C8DAE9AB09F1AE2BA83024977E5D54B5410C55AEBB1B26F3342209FF1F
Reporter Anonymous
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
7
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
kart gecmisi.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-12 07:19:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/76569d52-bb81-4cd3-8f12-b59c0061a56a

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/111419/
Detection(s):
SecuriteInfo.com.Artemis7495739B74F9.804.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Sending a UDP request
Connection attempt
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/578770
Signature
Allocates memory in foreign processes
Bypasses PowerShell execution policy
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Drops PE files to the startup folder
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 submitted file
Powershell drops PE file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 338434 Sample: kart gecmisi.exe Startdate: 12/01/2021 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Detected Remcos RAT 2->42 44 6 other signatures 2->44 7 kart gecmisi.exe 3 2->7         started        11 I$s#$lT3ssl.exe 3 2->11         started        process3 file4 28 C:\Users\user\...\kart gecmisi.exe.log, ASCII 7->28 dropped 46 Writes to foreign memory regions 7->46 48 Allocates memory in foreign processes 7->48 50 Injects a PE file into a foreign processes 7->50 13 InstallUtil.exe 1 2 7->13         started        18 powershell.exe 15 7->18         started        20 powershell.exe 16 11->20         started        22 InstallUtil.exe 11->22         started        signatures5 process6 dnsIp7 36 45.137.22.52, 49728, 8780 ROOTLAYERNETNL Netherlands 13->36 30 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 13->30 dropped 52 Contains functionality to detect virtual machines (IN, VMware) 13->52 54 Contains functionality to steal Chrome passwords or cookies 13->54 56 Contains functionality to capture and log keystrokes 13->56 62 3 other signatures 13->62 32 C:\Users\user\AppData\...\I$s#$lT3ssl.exe, PE32 18->32 dropped 34 C:\Users\...\I$s#$lT3ssl.exe:Zone.Identifier, ASCII 18->34 dropped 58 Drops PE files to the startup folder 18->58 60 Powershell drops PE file 18->60 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dcfaf32061b7ac3546b3d618dfea1372195cc4d57ff21de2cf6c918797cfa788/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3t5pgidbw6wdkrvt2ymn72qtoimvzrgvp7zb3ywpnsiypf6pu6ea._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
50a672f57c59c6c3658e484c1c271f358ef2a92596242c77eb8aba6b46465e97
RemcosRAT
556d51d04082d28fef125193130f91f8fa94a0e42d038310a9f631b852286f16
RemcosRAT
56fee643ba39ac908309688827397099ca6b707c45154eb14da1b693f6b16571
RemcosRAT
753883fa972dda966abb3adad3cfc94f0a82ca128d1908df58bac3ba93e60bd3
RemcosRAT
89313534a5c4579b6a00425281ef0473246cfb2340653bd3cf41b584bfa40578
RemcosRAT
8ce18c13ef4b598bba697a559c451fdfd1708e2039ec0e7c3303033b2c787fb6
RemcosRAT
9128e156ef2c0ed95d615729316ff82615354d6509e30a2e931913cb574dd4dc
RemcosRAT
abd4e6ee8152822c0545bd27a4f4c5114728873873e227044dfb48ecf1ecb37f
RemcosRAT
ae6c0eeffd3646190bd567a5c6ab19ce43994c0e02bf380f2a8eb3f2f75741e0
RemcosRAT
b34cc5e5e3b43c045bdd3a8c0966258cab4a6c602d9a9621140eeca567220acb
RemcosRAT
+ 1'329 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/210112-l469yarnxe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Drops startup file
Remcos
Malware Config
C2 Extraction:
45.137.22.52:8780
Unpacked files
SH256 hash:
dcfaf32061b7ac3546b3d618dfea1372195cc4d57ff21de2cf6c918797cfa788
MD5 hash:
7495739b74f9944c06d6b005421af606
SHA1 hash:
79a1d3dc1a2c97c06f8749da5a9f4bc08ecc131f
Link:
https://www.unpac.me/results/53bf9a07-461b-4f0d-92cd-1de0bb9e704a/
SH256 hash:
5240f7abb6875f063b4a437f456814ac08f4ad2dc0433dcd538f1484187c357f
MD5 hash:
3c7bec36afc661f2bd199611bee2dedc
SHA1 hash:
35e4250c4448532116671da1bd379e42e735de58
Link:
https://www.unpac.me/results/53bf9a07-461b-4f0d-92cd-1de0bb9e704a/
SH256 hash:
c49f21d7b94bf8dd71cd815e808390cb7514f2f9a573d532ac9333dad4463a75
MD5 hash:
8f06b73dc21ff080fe1085ae75034008
SHA1 hash:
ec42392b9c48ddc153076e4716ab5285f83163b7
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/53bf9a07-461b-4f0d-92cd-1de0bb9e704a/
Parent samples :
5245ed24d76b45f0d9de8c7ce2a7665ded270b8ba7d6b29191e8592630c19b97
dcfaf32061b7ac3546b3d618dfea1372195cc4d57ff21de2cf6c918797cfa788
0760d3239a1163436238b85852142f3477a87dba6f222737db19d99aa48092a7
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/53bf9a07-461b-4f0d-92cd-1de0bb9e704a/
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/dcfaf32061b7ac3546b3d618dfea1372195cc4d57ff21de2cf6c918797cfa788

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

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/111419/

Comments