MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb7ffda616dbfb59cec05339b9bee2e7ecae48595545ee4e63d93e9751feb594. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb7ffda616dbfb59cec05339b9bee2e7ecae48595545ee4e63d93e9751feb594
SHA3-384 hash: d10db0360a3ef226b453b3b2d95681847310b1e2100bd7fd6534ed1e1d02979b0729f9aca501563794d5a462387b0ff2
SHA1 hash: e2471d54803ba0b53ed3593d8d1a3ea33768f276
MD5 hash: 698538dba415e2812977332cc1435722
humanhash: magnesium-iowa-twenty-nitrogen
File name:698538dba415e2812977332cc1435722
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'014'272 bytes
First seen:2023-01-09 13:08:26 UTC
Last seen:2023-01-09 14:38:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:J7qCZ3GpdnPmDZygjYYjnaDBRjqZNvGAieuTbvzHY+l7zkkMv2v:oCZ3GpdnuDZygjYQnadkvvae8LzHT7aO
Threatray 3'970 similar samples on MalwareBazaar
TLSH T19C25024C7628A59FCC668FB6DC452CA416F068636B06E34F6C9325DE998EF4F4F01293
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon f0e8d49696d4e8f0 (3 x AgentTesla, 2 x RemcosRAT, 1 x Formbook)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
698538dba415e2812977332cc1435722
Verdict:
Malicious activity
Analysis date:
2023-01-09 13:09:51 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/bb2637c8-6037-477b-a35b-3591c72f54ff

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/351108/
Detection(s):
SecuriteInfo.com.Variant.Barys.40973.12419.18556.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63bc11efa66e2eb2973803c3/reports/da98aa66-8344-4315-a2e4-bc4c6cd36d43/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/12ea31ea-174a-421d-b5d4-dd56e2ca09c1
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1147968
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 780700 Sample: 1vT6NbfADU.exe Startdate: 09/01/2023 Architecture: WINDOWS Score: 100 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for dropped file 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 7 other signatures 2->71 10 1vT6NbfADU.exe 3 2->10         started        14 los.exe 2 2->14         started        16 los.exe 2->16         started        18 los.exe 2 2->18         started        process3 file4 57 C:\Users\user\AppData\...\1vT6NbfADU.exe.log, ASCII 10->57 dropped 79 Injects a PE file into a foreign processes 10->79 20 1vT6NbfADU.exe 5 4 10->20         started        24 los.exe 14->24         started        26 los.exe 14->26         started        28 los.exe 16->28         started        30 los.exe 16->30         started        32 los.exe 18->32         started        signatures5 process6 dnsIp7 59 192.168.2.1 unknown unknown 20->59 51 C:\Users\user\AppData\Roaming\los.exe, PE32 20->51 dropped 53 C:\Users\user\...\los.exe:Zone.Identifier, ASCII 20->53 dropped 55 C:\...\aajfudofgqimsmmaveftaphpnyprjy.vbs, data 20->55 dropped 34 wscript.exe 1 20->34         started        file8 process9 process10 36 cmd.exe 1 34->36         started        process11 38 los.exe 3 36->38         started        41 conhost.exe 36->41         started        signatures12 73 Multi AV Scanner detection for dropped file 38->73 75 Machine Learning detection for dropped file 38->75 77 Injects a PE file into a foreign processes 38->77 43 los.exe 2 15 38->43         started        47 los.exe 38->47         started        49 los.exe 38->49         started        process13 dnsIp14 61 nadiac7806.hopto.org 45.81.39.10, 2397, 49715 LVLT-10753US United States 43->61 63 geoplugin.net 178.237.33.50, 49716, 80 ATOM86-ASATOM86NL Netherlands 43->63 81 Installs a global keyboard hook 43->81 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb7ffda616dbfb59cec05339b9bee2e7ecae48595545ee4e63d93e9751feb594/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-01-09 09:46:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zn773jqw3p5vttwakm43tpxc47wk4sczkvc64ttd3e7joup6wwka._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0e1b5e7257b490e22a966862602dee637a6a192f55527137d6c3a94bc9dc34ca
RemcosRAT
18a39f6193c69dae7ea38aa9dd25fddabdb651c4276e242d0b585bd13c49c3a9
RemcosRAT
2bff54b9373397bb78dc3dd57f37b85affb564edec73fbb265e9a14d313a2a1d
RemcosRAT
36f48dac4f1cc73c684288dd7113e222e1a4026722ce3c55b378402aabe6361c
RemcosRAT
3ac0ff1d6a7bcbcd3feb5fd5f978b98845ac587b4b7e7be2233849295491e777
RemcosRAT
5f61b50531659487b56d97323a53c7c58445a62fb9f47489cd07b38feb3d4527
RemcosRAT
a2cbf70ab3ebedd2c768816596fade8e94d1dd0d6025001ac59a71860e45b808
RemcosRAT
c98bf80d5e23903e4934015e75f6c036130296519548b6014575207d2d296201
RemcosRAT
e611419a4b0f0fb37a0c6ec8e6bd88c5314eb889f525ecf875eea8b6338a8f2c
RemcosRAT
+ 3'960 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:mekino-remotehost persistence rat
Link:
https://tria.ge/reports/230109-qdr79sec46/
Behaviour
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:
nadiac7806.hopto.org:2397
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cfdcd2d9-cbcf-443a-8482-9dcd03b0f0d4
Unpacked files
SH256 hash:
1c0072bd0c8fbf0e27d145a0ee7e34428936c2ddeba929d3f60e352891e7e0c6
MD5 hash:
b2d0625c46714e40a6a38238659ea9ed
SHA1 hash:
dc43d5d539eab67b7e3109d0e4894e099a1a18f8
Link:
https://www.unpac.me/results/ccee94ac-ffea-467e-b309-2e61cad250cd/
SH256 hash:
46edaf4d7a66a1e073c3e612db1d61453959d759cda19b36351c20f70aa2f1a9
MD5 hash:
7c87b14d83557b42ae73a3734e5e948a
SHA1 hash:
db05cfe37b840983863cb6520327414235c0ec63
Link:
https://www.unpac.me/results/ccee94ac-ffea-467e-b309-2e61cad250cd/
SH256 hash:
c3e792187371c4fd4d02dad95b39de0209a4c2caad6abdcf92f707b89dc72f04
MD5 hash:
c77583e1c7ea66108ac80e48d151d78d
SHA1 hash:
bd2f9ec3eae10291f1f1b8fd68e95c2dc1f62b0e
Link:
https://www.unpac.me/results/ccee94ac-ffea-467e-b309-2e61cad250cd/
SH256 hash:
8cd6a9f4c4ec925abcf2c7aa285231c2e24a73bf261b856a27fc7009ce3d7cba
MD5 hash:
ac276086512b08e62a358841fdb5f48c
SHA1 hash:
ba1de6c9e8e1d23f08d9a390285e256bfc2cf836
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/ccee94ac-ffea-467e-b309-2e61cad250cd/
Parent samples :
cb7ffda616dbfb59cec05339b9bee2e7ecae48595545ee4e63d93e9751feb594
778ad2e8d477b0fc3ba8cbb0e3de025a6f101257c67efeb60f2bc5627996e028
217a39234802caa4d7cce0bfae3880db5c6b5c3004fddcd0b31298b586f54de5
d413604ffcd2897d729fd0079881b7b4a0dbd3d9d5869a97d7ec76713a12739c
f148991c86a6be2a1e2c331cac87af14bafa95465aadc5f058cc82cae56262c0
38debfec78116fdaec613c6e2a8b61e6977fea47df6f193a252171d8293ccb5c
e0847030fbefcdfb72e7de696809737dac3a8db49cfa63aa740210d7c036c409
25ffd09183736426c73f73d36565cc56fd6caa83afe96970ae44e9193d07082d
4143a027af3c078d252c462f6101cc1b4b849402280371d9279e6fa62ee6cf75
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
Link:
https://www.unpac.me/results/ccee94ac-ffea-467e-b309-2e61cad250cd/
SH256 hash:
cb7ffda616dbfb59cec05339b9bee2e7ecae48595545ee4e63d93e9751feb594
MD5 hash:
698538dba415e2812977332cc1435722
SHA1 hash:
e2471d54803ba0b53ed3593d8d1a3ea33768f276
Link:
https://www.unpac.me/results/ccee94ac-ffea-467e-b309-2e61cad250cd/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cb7ffda616db/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/cb7ffda616dbfb59cec05339b9bee2e7ecae48595545ee4e63d93e9751feb594

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 cb7ffda616dbfb59cec05339b9bee2e7ecae48595545ee4e63d93e9751feb594

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2502100/
Cape
Cape
https://www.capesandbox.com/analysis/351108/

Comments


Avatar
zbet commented on 2023-01-09 13:08:36 UTC

url : hxxp://85.208.136.4/KUY.exe