MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
SHA3-384 hash: d1e6bfb0490a6b4c9d7d1819b0f167cf8c0da0244f3d16e26eadf46d42217494f4a7c268348820aecc46e5228c162a54
SHA1 hash: b3a5db9ec11ca01631d263d0fdce63edec7d9900
MD5 hash: 5787b0e8dda9d2a4148265d960ad9b90
humanhash: december-oregon-michigan-low
File name:SecuriteInfo.com.Trojan.GenericKD.61834999.19780.11498
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:11'776 bytes
First seen:2022-09-08 09:47:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 96:9NKwk68OMnGgiw8ZqA+D8GhqzH7PPtv8PiYtExAuq5EwExoN1YdaKNy6Ny8aKbFU:9Ng68OMF/CZA86mb5CiYtEOuzeq9A
Threatray 2'025 similar samples on MalwareBazaar
TLSH T1D232984FD3899A72D92A863EA86293B60258B741DCBD8F3E34747C57B4333C60511E6B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9b1979616969612b (42 x RemcosRAT, 6 x AgentTesla, 5 x Formbook)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Offerverzoek factuur 2022-09-07.exe
Verdict:
Malicious activity
Analysis date:
2022-09-07 08:57:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/72bb3eb0-8106-4c7b-b2dd-6b82869d6c8b

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/308693/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61834999.19780.11498.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6319ba54e73fb79b7a0085f5/reports/3c6f17df-a290-4d41-9ff7-ed2aed920d15/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/25755ff5-fc44-41e5-a80c-8bf77810ca07
Result
Threat name:
AsyncRAT, Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1066989
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 699521 Sample: SecuriteInfo.com.Trojan.Gen... Startdate: 08/09/2022 Architecture: WINDOWS Score: 100 66 transfer.sh 2->66 74 Multi AV Scanner detection for domain / URL 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Antivirus detection for URL or domain 2->78 80 11 other signatures 2->80 8 SecuriteInfo.com.Trojan.GenericKD.61834999.19780.11498.exe 16 7 2->8         started        13 Rfmlnfoaw.exe 2->13         started        15 Rfmlnfoaw.exe 2->15         started        signatures3 process4 dnsIp5 72 transfer.sh 144.76.136.153, 443, 49758, 49811 HETZNER-ASDE Germany 8->72 54 C:\Users\user\AppData\...\Rfmlnfoaw.exe, PE32 8->54 dropped 56 C:\Users\...\Rfmlnfoaw.exe:Zone.Identifier, ASCII 8->56 dropped 58 SecuriteInfo.com.T...19780.11498.exe.log, ASCII 8->58 dropped 84 Encrypted powershell cmdline option found 8->84 86 Writes to foreign memory regions 8->86 88 Injects a PE file into a foreign processes 8->88 17 aspnet_compiler.exe 2 18 8->17         started        22 cmd.exe 1 8->22         started        24 powershell.exe 16 8->24         started        90 Multi AV Scanner detection for dropped file 13->90 92 Machine Learning detection for dropped file 13->92 26 cmd.exe 13->26         started        28 cmd.exe 15->28         started        file6 signatures7 process8 dnsIp9 60 obologs.work.gd 194.5.98.244, 4044, 49799, 49804 DANILENKODE Netherlands 17->60 62 geoplugin.net 178.237.33.50, 49806, 80 ATOM86-ASATOM86NL Netherlands 17->62 64 transfer.sh 17->64 50 C:\Users\user\AppData\Local\Temp\dwn.exe, PE32 17->50 dropped 52 C:\Users\user\AppData\Local\...\Fbiuk[1].exe, PE32 17->52 dropped 82 Maps a DLL or memory area into another process 17->82 30 aspnet_compiler.exe 1 17->30         started        33 aspnet_compiler.exe 17->33         started        35 dwn.exe 14 2 17->35         started        44 7 other processes 17->44 38 conhost.exe 22->38         started        40 timeout.exe 1 22->40         started        42 conhost.exe 24->42         started        46 2 other processes 26->46 48 2 other processes 28->48 file10 signatures11 process12 dnsIp13 94 Tries to steal Instant Messenger accounts or passwords 30->94 96 Tries to steal Mail credentials (via file / registry access) 30->96 68 transfer.sh 35->68 98 Machine Learning detection for dropped file 35->98 70 192.168.2.1 unknown unknown 44->70 100 Tries to harvest and steal browser information (history, passwords, etc) 44->100 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2022-09-07 06:27:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jpi7hbphdqvqzc5sptrhdt6snruw4mcj4puszukqxjrgm26geipq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
20d06c9366037f9c7d08d843ddcb74e264accf481dbefd7b1f77669abb4d9be9
RemcosRAT
2a6cd5b04a1f823de82896e8d2758ce91498ee9231032ae946363477ccc7701a
RemcosRAT
379dee3416757f21bec5a53af0cfda62fe0cadaeac03be81eabb3227ea47624b
RemcosRAT
400a915352619f2c5bd0639806ac1549bd67a0bab7730856121002a91d85c2d3
RemcosRAT
7544af0313e3be873eee7b54815dac5d0dece0bfd39b0c4e93bfe34516baa387
RemcosRAT
88dee7a76de60dc35c720d84283af1b3edf4d788fa130fdcae1096cb01356f58
RemcosRAT
b563d460e40277fd18dfa645f16081ed6328f519e218afc6570dafe951f5feea
RemcosRAT
eaea558cf05de77f2b72fe6ccafbcd63198dd067627d801a40b1b7d95251666f
RemcosRAT
edd76f4398cd937c508d229a8482add54c2ec8efe84a6881af90bbd40d8b8601
RemcosRAT
+ 2'015 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat
Link:
https://tria.ge/reports/220908-lsrstsebg4/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
Downloads MZ/PE file
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:4044
Unpacked files
SH256 hash:
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
MD5 hash:
5787b0e8dda9d2a4148265d960ad9b90
SHA1 hash:
b3a5db9ec11ca01631d263d0fdce63edec7d9900
Link:
https://www.unpac.me/results/19b2f23a-e493-4fb8-ac65-0d27c0dc41f5/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4bd1f385e71c/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/4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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/308693/

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