MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e4c43645fb4a1b4ca08c7b22b4e63d38f7fe76191abda38e84fcada08339bfc. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e4c43645fb4a1b4ca08c7b22b4e63d38f7fe76191abda38e84fcada08339bfc
SHA3-384 hash: c0d46293106dfc1043e0564f8b5f1205693de148141f654a70dba4cc8f31adef0c92b00c65a27df9fe7823095d20cada
SHA1 hash: f667ad3b3c50bd88c1c25ddd453f33acbfdb4dd9
MD5 hash: 60032e284ee011f4f46fce76c60e138f
humanhash: minnesota-illinois-pennsylvania-venus
File name:Signed_PO_801221651.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:6'144 bytes
First seen:2022-10-21 08:23:45 UTC
Last seen:2022-10-23 11:21:47 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 48:62jgrsiEetneWESty89PYTaV6iIxdixNMr+2+zmbq5cSk9MXsAOsitiOlzM+J6M7:gieteWPtjA2VAdik+2+yJO+xi2BszNt
Threatray 1'300 similar samples on MalwareBazaar
TLSH T1E4C1B30093D887B7DE3707B6B8A3638002B0F7955DA3CBDE2AC8245B6D037910D226B5
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)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Signed_PO_801221651.exe
Verdict:
Malicious activity
Analysis date:
2022-10-21 08:29:56 UTC
Tags:
trojan
Link:
https://app.any.run/tasks/f19e4ef8-824c-4e2e-826d-8f03c854e132

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/322240/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.23489.22949.23432.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63525724898b0652a4b936f0/reports/e4ab984a-a112-4266-8cc0-35decbb5fd85/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:
Unknown
Link:
https://analyze.intezer.com/analyses/096c7073-cbbe-4d20-9a85-95377f1ca8e3
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1094735
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 727372 Sample: Signed_PO_801221651.exe Startdate: 21/10/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 7 other signatures 2->53 7 Signed_PO_801221651.exe 16 7 2->7         started        12 Wgkmwmxuf.exe 14 2 2->12         started        14 Wgkmwmxuf.exe 2 2->14         started        process3 dnsIp4 43 41.216.183.54, 49711, 49729, 49730 AS40676US South Africa 7->43 33 C:\Users\user\AppData\...\Wgkmwmxuf.exe, PE32 7->33 dropped 35 C:\Users\...\Wgkmwmxuf.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\...\Signed_PO_801221651.exe.log, ASCII 7->37 dropped 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->59 61 Encrypted powershell cmdline option found 7->61 63 Injects a PE file into a foreign processes 7->63 16 Signed_PO_801221651.exe 2 14 7->16         started        20 powershell.exe 16 7->20         started        65 Multi AV Scanner detection for dropped file 12->65 67 Machine Learning detection for dropped file 12->67 file5 signatures6 process7 dnsIp8 39 41.216.183.96, 49726, 49727, 55055 AS40676US South Africa 16->39 41 geoplugin.net 178.237.33.50, 49728, 80 ATOM86-ASATOM86NL Netherlands 16->41 45 Maps a DLL or memory area into another process 16->45 22 Signed_PO_801221651.exe 1 16->22         started        25 Signed_PO_801221651.exe 16->25         started        27 Signed_PO_801221651.exe 16->27         started        31 12 other processes 16->31 29 conhost.exe 20->29         started        signatures9 process10 signatures11 55 Tries to steal Instant Messenger accounts or passwords 22->55 57 Tries to steal Mail credentials (via file / registry access) 22->57
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1e4c43645fb4a1b4ca08c7b22b4e63d38f7fe76191abda38e84fcada08339bfc/
Threat name:
ByteCode-MSIL.Trojan.Scarsi
Create hunting rule
Status:
Malicious
First seen:
2022-10-20 10:19:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dzgegzc7wsq3jsqiy6zcwttd2ohx7z3bsgv5uohij7fnucbttp6a._file
Verdict:
malicious
Similar samples:
6dbf741f04c1613d60bb9c04da88af672a1b6a5dc0c768f2aaea959f611fe038
RemcosRAT
7d0003945cdefbb71be04bbe32bfa60d2a399a130353264512c76c5ca27783b7
RemcosRAT
91139b19c219a2cf3882f5bcdc6610a8691b079c05ecf7aadb1d461bee084266
RemcosRAT
96574697cdb53f062b239c4252a3c9aa85376ed566389eb48d7aae0418df4318
RemcosRAT
a0bf7c1184092027ccea8b4381e7f359662bcc317ac4c7a2e02459d1b66d9da6
RemcosRAT
b09ea08d743e1130144a32c4e97fa736f308393af1bb99546d1f206053323d1a
RemcosRAT
b819efc97ab357c063a97a69f9aefa227216415a56b44a62a6dddd6430e69922
RemcosRAT
+ 1'290 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:55055 collection persistence rat spyware stealer
Link:
https://tria.ge/reports/221021-kap1vabcf9/
Behaviour
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
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
41.216.183.96:55055
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5e10cc89-22fd-49cf-ae05-06468044c508
Unpacked files
SH256 hash:
1e4c43645fb4a1b4ca08c7b22b4e63d38f7fe76191abda38e84fcada08339bfc
MD5 hash:
60032e284ee011f4f46fce76c60e138f
SHA1 hash:
f667ad3b3c50bd88c1c25ddd453f33acbfdb4dd9
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/c1ab7757-e72e-43bc-93fa-78c1b5e9170c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1e4c43645fb4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/1e4c43645fb4a1b4ca08c7b22b4e63d38f7fe76191abda38e84fcada08339bfc

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.

Malspam

RemcosRAT

Executable exe 1e4c43645fb4a1b4ca08c7b22b4e63d38f7fe76191abda38e84fcada08339bfc

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/322240/

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