MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af9f2d56bf530f612c18e4a21f654aa8b5be48ad80a92c770699791907d95b55. 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

SHA256 hash: af9f2d56bf530f612c18e4a21f654aa8b5be48ad80a92c770699791907d95b55
SHA3-384 hash: 7cd2f241bd78ead89009345b1a503c3230fbc596cb98db878e3d4d1654a12d12d709987df2713a4f9a0555416cea67fd
SHA1 hash: 47893d97edac57b27f25e42ccfa68585609d61ac
MD5 hash: 21eee575b2425a16123e5eccb8d280c6
humanhash: sixteen-vegan-nineteen-dakota
File name:21eee575b2425a16123e5eccb8d280c6
Download: download sample
Signature RemcosRAT
File size:1'314'816 bytes
First seen:2023-03-07 01:31:20 UTC
Last seen:2023-03-07 03:27:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:EMunAGk2GV5ItArRiuKV2jzbhrnM7amMLSUKkmiUKNe3Ra/YiHhAqkvWdFlLgC0F:ckdV5uAZb2A5KgyMQ9B+dbsC0a75
Threatray 1'670 similar samples on MalwareBazaar
TLSH T10B55BFC637BCE522F4EBA176061511CA3A39B997B211F13BA733BB158600BFF7A85540
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)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PAYMENT SLIP.rar
Verdict:
Malicious activity
Analysis date:
2023-03-02 06:37:28 UTC
Tags:
exploit cve-2017-11882 loader

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

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed remcos
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:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates autostart registry keys with suspicious names
Delayed program exit found
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 821152 Sample: Umb8OHh5mW.exe Startdate: 07/03/2023 Architecture: WINDOWS Score: 100 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus detection for dropped file 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 5 other signatures 2->77 12 Umb8OHh5mW.exe 3 2->12         started        16 trs.exe 2->16         started        18 trs.exe 2 2->18         started        process3 file4 63 C:\Users\user\AppData\...\Umb8OHh5mW.exe.log, ASCII 12->63 dropped 95 Contains functionality to steal Chrome passwords or cookies 12->95 97 Contains functionality to steal Firefox passwords or cookies 12->97 99 Delayed program exit found 12->99 20 Umb8OHh5mW.exe 5 4 12->20         started        24 trs.exe 16->24         started        26 trs.exe 16->26         started        28 trs.exe 18->28         started        signatures5 process6 file7 57 C:\Users\user\AppData\Roaming\trs.exe, PE32 20->57 dropped 59 C:\Users\user\...\trs.exe:Zone.Identifier, ASCII 20->59 dropped 61 C:\Users\...\kuasnnkcbijktoungzilvkqmq.vbs, data 20->61 dropped 83 Creates autostart registry keys with suspicious names 20->83 30 wscript.exe 1 20->30         started        signatures8 process9 process10 32 cmd.exe 1 30->32         started        process11 34 trs.exe 3 32->34         started        37 conhost.exe 32->37         started        signatures12 79 Multi AV Scanner detection for dropped file 34->79 81 Machine Learning detection for dropped file 34->81 39 trs.exe 2 15 34->39         started        process13 dnsIp14 67 craigjonson1.gotdns.ch 194.180.49.19, 2011, 49701, 49702 LVLT-10753US Germany 39->67 69 geoplugin.net 178.237.33.50, 49703, 80 ATOM86-ASATOM86NL Netherlands 39->69 85 Maps a DLL or memory area into another process 39->85 87 Installs a global keyboard hook 39->87 43 trs.exe 1 39->43         started        46 trs.exe 39->46         started        48 trs.exe 39->48         started        50 21 other processes 39->50 signatures15 process16 dnsIp17 89 Tries to steal Instant Messenger accounts or passwords 43->89 91 Tries to steal Mail credentials (via file / registry access) 43->91 65 192.168.2.1 unknown unknown 50->65 93 Tries to harvest and steal browser information (history, passwords, etc) 50->93 53 WerFault.exe 50->53         started        55 WerFault.exe 50->55         started        signatures18 process19
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-03-03 03:19:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
27 of 39 (69.23%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:eric-host 2023 collection persistence rat spyware stealer
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
craigjonson1.gotdns.ch:2011
Unpacked files
SH256 hash:
948a24963802475b582d293c432211feda90263c390e1a88fb2515cc05da20a4
MD5 hash:
ef2f88286eede374071709ab83d9c725
SHA1 hash:
fcf5fa53bc7f10902bf3785c4d4f8e189e6f28d3
SH256 hash:
d8ec03c34a5f3bd93effeafc2e078ade5df75d468dae5208937c69be4fecfe7f
MD5 hash:
cd4b7952d18e1459bae379e5da7f6afb
SHA1 hash:
e09367a20c19427dae20b53cbe761d1b21272c36
SH256 hash:
fa6b40a951758bb228c42d8a25e36d964ba6f7d3b08e982c3991f9d59ee5da27
MD5 hash:
c1df490034befaff3038a33aef6bef92
SHA1 hash:
b8b29887836bc7216eedd1906f3b9f2aa0031742
SH256 hash:
a46998f03ca372f55fec7e4d4de698c5d128eea00502975bf7c337b0d3372640
MD5 hash:
2f5d6edb1b87947812a05ab362fe9a27
SHA1 hash:
4a48608fa247541aae9d2d31b85a2d6c9d191f82
SH256 hash:
af9f2d56bf530f612c18e4a21f654aa8b5be48ad80a92c770699791907d95b55
MD5 hash:
21eee575b2425a16123e5eccb8d280c6
SHA1 hash:
47893d97edac57b27f25e42ccfa68585609d61ac
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 af9f2d56bf530f612c18e4a21f654aa8b5be48ad80a92c770699791907d95b55

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-03-07 01:31:28 UTC

url : hxxp://109.206.240.64/EKL.exe