MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58c07a9579110d38370f1050906a397ce8692681b20083f335d2f122bc570b80. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments 1

SHA256 hash: 58c07a9579110d38370f1050906a397ce8692681b20083f335d2f122bc570b80
SHA3-384 hash: 56882fbeab3dd4857b5845f1df8b1375281dfc02049f620a340e9280dff793fea4ebf00a9be34b0273f940f9df163681
SHA1 hash: d9b308391ba881f5c2ebb68561ae857c4e11d398
MD5 hash: 9509104c2389315af9357e4ce52242a0
humanhash: colorado-sink-two-glucose
File name:9509104c2389315af9357e4ce52242a0
Download: download sample
Signature RemcosRAT
File size:1'226'752 bytes
First seen:2022-11-23 11:40:19 UTC
Last seen:2023-08-27 09:03:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:YM+L74mBfNUstzofl/A2LlwzCExB290oFx5PdKHFMH6bjx8alzD03r8JN:3/AaluB2BUHFMabjSq0I
Threatray 3'351 similar samples on MalwareBazaar
TLSH T11B459C4F2B7FDEF0EA245CFB221557039D3651DABA8BCA7883984BC660F161C6B70464
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
311
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
INVOICE.xlsx
Verdict:
Malicious activity
Analysis date:
2022-11-23 10:55:13 UTC
Tags:
exploit cve-2017-11882 loader rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 752366 Sample: AgXieBVAOw.exe Startdate: 23/11/2022 Architecture: WINDOWS Score: 100 52 craigjonson91211.freedynamicdns.net 2->52 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for dropped file 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 7 other signatures 2->62 11 AgXieBVAOw.exe 3 2->11         started        14 wee.exe 2 2->14         started        16 wee.exe 2 2->16         started        18 wee.exe 2->18         started        signatures3 process4 file5 50 C:\Users\user\AppData\...\AgXieBVAOw.exe.log, ASCII 11->50 dropped 20 AgXieBVAOw.exe 5 4 11->20         started        23 wee.exe 14->23         started        25 wee.exe 14->25         started        27 wee.exe 16->27         started        29 wee.exe 18->29         started        process6 file7 44 C:\Users\user\AppData\Roaming\wee.exe, PE32 20->44 dropped 46 C:\Users\user\...\wee.exe:Zone.Identifier, ASCII 20->46 dropped 48 C:\Users\user\AppData\Local\...\install.vbs, data 20->48 dropped 31 wscript.exe 1 20->31         started        process8 process9 33 cmd.exe 1 31->33         started        process10 35 wee.exe 3 33->35         started        38 conhost.exe 33->38         started        signatures11 64 Multi AV Scanner detection for dropped file 35->64 66 Machine Learning detection for dropped file 35->66 68 Injects a PE file into a foreign processes 35->68 40 wee.exe 2 1 35->40         started        process12 dnsIp13 54 craigjonson91211.freedynamicdns.net 193.47.61.72, 2011, 49712, 49713 TH-AS-APTianhaiInfoTechCN Germany 40->54 70 Installs a global keyboard hook 40->70 signatures14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-23 11:24:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:eric-host persistence rat
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
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
craigjonson91211.freedynamicdns.net:2011
Unpacked files
SH256 hash:
d725e087f0b9a9bf1a70a3b10c61498fec526b9a1f50e81e4fe9b4585bf6586f
MD5 hash:
03270518dd5ebd0ee851d3fa942e6386
SHA1 hash:
6305290ed2e514f35f40675ebc084a2bedc81963
SH256 hash:
d3564fe3774198dcf37d0b6182ae78722d9a4053afe1c55271c8459a44d56038
MD5 hash:
bd09cbf7f491da0038d98accaaf03bab
SHA1 hash:
446cabb1103236c28ca329634672129f307ffd29
SH256 hash:
a637766387006cbc0318a0270cf004d2be1f7fc41b3342bf51851fec9b902d0a
MD5 hash:
dd470b36ef86f278c909264720bd0907
SHA1 hash:
401a6b54e11e35cf2b00297158a1df4c0f9b10c6
Detections:
Remcos win_remcos_auto
SH256 hash:
31b663b91f11b8f7da1d8bd87f8532e563f301754b1ca2c0a97c2f358ad116dd
MD5 hash:
ba1868faf5de09265b89c44732c1ab3d
SHA1 hash:
38997e35e0c68866a2a6e4a7356252e1f252e2e5
SH256 hash:
e227f1002fb8bf33f05d79f9ad7adff002434be7c5009ea223f995708dcb3d6a
MD5 hash:
df474343a0025fa3af7726bc814a3dc5
SHA1 hash:
1ee6f175b236e6047c5b3a6b419edda5d9b6f464
SH256 hash:
58c07a9579110d38370f1050906a397ce8692681b20083f335d2f122bc570b80
MD5 hash:
9509104c2389315af9357e4ce52242a0
SHA1 hash:
d9b308391ba881f5c2ebb68561ae857c4e11d398
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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 58c07a9579110d38370f1050906a397ce8692681b20083f335d2f122bc570b80

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-11-23 11:40:20 UTC

url : hxxp://85.208.136.172/EEW.exe