MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c3b5e967fb3efae83f711802606597cfd5454deb03f8d69cb68f9fef22d6e9b. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c3b5e967fb3efae83f711802606597cfd5454deb03f8d69cb68f9fef22d6e9b
SHA3-384 hash: f27d3e3279d26ce7d01be37cd37a1bec16e40b225c1ddbecce07f51c6101c39c05bb6cb9dda9cf370f7630775aec15ad
SHA1 hash: 6e05789788d9ad8259c1a53e9c9ff823e24b0868
MD5 hash: 21896a8b57d848a221eca715d37c4ab2
humanhash: illinois-timing-fix-missouri
File name:SecuriteInfo.com.Win32.CrypterX-gen.20145.26821
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'128'960 bytes
First seen:2022-11-30 07:28:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:Acx5U1FPi8EN0BGQcBd4sQj90dt3ynyvL:vx5siBNi9Kt3yn
Threatray 2'290 similar samples on MalwareBazaar
TLSH T1EB35AE9533728473F58F01359145718C2DBCA503BAA6F20B2B777A8496027FFFA99E42
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.20145.26821
Verdict:
Malicious activity
Analysis date:
2022-11-30 07:29:43 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/7ad25a2a-97ef-4e6f-8a54-ff4865299958

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/339895/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.20145.26821.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6387064094f9bac087b3f26a/reports/fd2ebb93-50b0-4d69-a838-fee758c3472d/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b74aa4fc-39e1-4979-a3a2-a97bc9113b9e
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1123716
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 756440 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 30/11/2022 Architecture: WINDOWS Score: 100 84 Multi AV Scanner detection for domain / URL 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 Antivirus detection for URL or domain 2->88 90 12 other signatures 2->90 11 SecuriteInfo.com.Win32.CrypterX-gen.20145.26821.exe 6 2->11         started        15 tKLFxNgjg.exe 3 2->15         started        17 BIN.exe 2->17         started        19 2 other processes 2->19 process3 file4 74 C:\Users\user\AppData\Roaming\tKLFxNgjg.exe, PE32 11->74 dropped 76 C:\Users\user\AppData\Local\...\tmp5B80.tmp, XML 11->76 dropped 78 SecuriteInfo.com.W...20145.26821.exe.log, ASCII 11->78 dropped 100 Uses schtasks.exe or at.exe to add and modify task schedules 11->100 102 Injects a PE file into a foreign processes 11->102 21 SecuriteInfo.com.Win32.CrypterX-gen.20145.26821.exe 5 5 11->21         started        24 schtasks.exe 1 11->24         started        26 SecuriteInfo.com.Win32.CrypterX-gen.20145.26821.exe 11->26         started        104 Multi AV Scanner detection for dropped file 15->104 106 Machine Learning detection for dropped file 15->106 28 schtasks.exe 17->28         started        30 BIN.exe 17->30         started        36 2 other processes 17->36 32 schtasks.exe 19->32         started        34 schtasks.exe 19->34         started        38 2 other processes 19->38 signatures5 process6 file7 66 C:\Users\user\AppData\Roaming\BIN\BIN.exe, PE32 21->66 dropped 68 C:\Users\user\...\BIN.exe:Zone.Identifier, ASCII 21->68 dropped 70 C:\Users\user\AppData\Local\...\install.vbs, data 21->70 dropped 40 wscript.exe 1 21->40         started        42 conhost.exe 24->42         started        44 conhost.exe 28->44         started        46 conhost.exe 32->46         started        48 conhost.exe 34->48         started        process8 process9 50 cmd.exe 1 40->50         started        process10 52 BIN.exe 5 50->52         started        55 conhost.exe 50->55         started        signatures11 92 Multi AV Scanner detection for dropped file 52->92 94 Machine Learning detection for dropped file 52->94 96 Injects a PE file into a foreign processes 52->96 57 BIN.exe 52->57         started        62 schtasks.exe 52->62         started        process12 dnsIp13 80 ucremcz1.ddns.net 185.216.71.149, 1823, 49707 CLOUDCOMPUTINGDE Germany 57->80 82 geoplugin.net 178.237.33.50, 49708, 80 ATOM86-ASATOM86NL Netherlands 57->82 72 C:\Users\user\AppData\Roaming\...\logs.dat, data 57->72 dropped 98 Installs a global keyboard hook 57->98 64 conhost.exe 62->64         started        file14 signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c3b5e967fb3efae83f711802606597cfd5454deb03f8d69cb68f9fef22d6e9b/
Threat name:
Win32.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-11-30 02:57:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dq5v5ft7wpx25a7xcgacmbszpt6vivg6wa7y22olnd4754rnn2nq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3ab2ca682019279e28525a8ff1a72e08badba1c0f3012f926bad1528b2b0944a
RemcosRAT
47dabe278b8a171986b17e69ac9fac43657c11eb3c2c1523848074e0cfe6a57f
RemcosRAT
89adcb90dcc56d8e5b6cab4fce35a7ea8619ed9d47a5a947aaf4f34cb42c5021
RemcosRAT
8e7d1931cfe215a12acad3beb975cd78099a295a721069b35c05b469e2f703f9
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
b45dbf75dd0de5a62cb362bcc26b59cdd6a7adae8a74c71c30e7db9c36b20265
RemcosRAT
e7a7431b7c5f7d73f80f8474e5d62a3620a639c762ea78b0266ff867c048a153
RemcosRAT
fe800049d4ece336205fd83c50c747fc4f7f18e4cb2f2e80f37d0ec1700166d1
RemcosRAT
+ 2'280 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:uc persistence rat
Link:
https://tria.ge/reports/221130-ja8brahg52/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
ucremcz1.ddns.net:1823
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b4a19195-47c3-408d-be83-54cb65fd54a5
Unpacked files
SH256 hash:
bb016540432270c8976e9a11a2afccfd421a210c26451bb1a61e3bd6db1e4241
MD5 hash:
30dd9671cb8a9ee7217b3021f115bfb7
SHA1 hash:
c0fa007ef2afe9921f9df0cced7056e2e6258dc1
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/198db2e8-9cd2-4ad0-867a-f3fbbde7409a/
Parent samples :
1c3b5e967fb3efae83f711802606597cfd5454deb03f8d69cb68f9fef22d6e9b
ecb9ed9d6b4967e3f0bdf5abfe253e2c3b80919272b8427f02f5c33a6e815755
f19755963c94dc74b9f91b947ed0e54f7045d07d1acaa94faab62cdcb8f3cd27
c1cebdad413c58af5cdb7e0f77185381605296bd2544a8a05c7e3600a83a1ed7
fc2bcad21d96b3e31b27f0610209f0aa33fb1aa83504e8c346d390ac2da19504
05285eb0b45ead00948244e6aa80fae084907341a3ec9eb5458b514413da0b91
c85b76b0a102f76dd2e9b5fa71d6f9e599fccc63879a666b3d019d61d8e68101
394bf9a9a60175d3d7bc71aab92df900a59f2205435196129cad78ce7460140c
SH256 hash:
b84ae05c2d01f6a4105bd9bf4823a39c8012e7a357275fe25574ad94bcd70be6
MD5 hash:
4cb05ce99c324283b95cd75ea7b51e00
SHA1 hash:
b576defdfc30ca44a8bd948d9042400c72c8627a
Link:
https://www.unpac.me/results/198db2e8-9cd2-4ad0-867a-f3fbbde7409a/
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/198db2e8-9cd2-4ad0-867a-f3fbbde7409a/
SH256 hash:
1c3b5e967fb3efae83f711802606597cfd5454deb03f8d69cb68f9fef22d6e9b
MD5 hash:
21896a8b57d848a221eca715d37c4ab2
SHA1 hash:
6e05789788d9ad8259c1a53e9c9ff823e24b0868
Link:
https://www.unpac.me/results/198db2e8-9cd2-4ad0-867a-f3fbbde7409a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/1c3b5e967fb3efae83f711802606597cfd5454deb03f8d69cb68f9fef22d6e9b

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.

Cape
Cape
https://www.capesandbox.com/analysis/339895/

Comments