MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48fb43de46240bb31eb2e76cf6302d3ba008de77319692a326c0f684b4923a06. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48fb43de46240bb31eb2e76cf6302d3ba008de77319692a326c0f684b4923a06
SHA3-384 hash: 0ebc27d945430848a24bc2c5469f67074a9da92716a603514d0951382a44466835d291e2260f8587260305009d7acaf5
SHA1 hash: 71c4ee77c7068f3636730e347145f8794ea65677
MD5 hash: b251cec49a1b8f95c116b205b73a54c5
humanhash: white-winter-nebraska-missouri
File name:DHL Delivery Documents.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'359'872 bytes
First seen:2023-07-31 06:43:24 UTC
Last seen:Never
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:NhPTKHSrdtABcEarRl7MKeqQaXlCKn+eYmFH:LPTm0dMnatBgaXIsUu
Threatray 2'381 similar samples on MalwareBazaar
TLSH T1D6555C2815BD4A22C071D2FE5BD0E513A7909CD6251CDE994EC65FDA1E22B33E08BD2F
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 b0cf4a4c4c4ccfb0 (31 x Formbook, 20 x RemcosRAT, 18 x AgentTesla)
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL Delivery Documents.exe
Verdict:
Malicious activity
Analysis date:
2023-07-31 06:45:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/33141553-7707-4c3c-84e2-b14786c0f56b

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/439288/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/48fb43de46240bb31eb2e76cf6302d3ba008de77319692a326c0f684b4923a06
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/9b00b121-2a68-4933-8cd4-64d7909b9a4d
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1282917
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1282917 Sample: DHL_Delivery_Documents.exe Startdate: 31/07/2023 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 9 other signatures 2->56 7 DHL_Delivery_Documents.exe 7 2->7         started        11 AsLGrJc.exe 5 2->11         started        process3 file4 36 C:\Users\user\AppData\Roaming\AsLGrJc.exe, PE32 7->36 dropped 38 C:\Users\user\...\AsLGrJc.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmpA5FB.tmp, XML 7->40 dropped 42 C:\Users\...\DHL_Delivery_Documents.exe.log, ASCII 7->42 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 7->58 60 Adds a directory exclusion to Windows Defender 7->60 13 DHL_Delivery_Documents.exe 3 15 7->13         started        18 powershell.exe 19 7->18         started        20 powershell.exe 17 7->20         started        22 schtasks.exe 1 7->22         started        62 Multi AV Scanner detection for dropped file 11->62 64 Contains functionality to bypass UAC (CMSTPLUA) 11->64 66 Contains functionality to steal Chrome passwords or cookies 11->66 68 4 other signatures 11->68 24 schtasks.exe 1 11->24         started        26 AsLGrJc.exe 11->26         started        signatures5 process6 dnsIp7 46 51.75.209.245, 2404, 49708 OVHFR France 13->46 48 geoplugin.net 178.237.33.50, 49709, 80 ATOM86-ASATOM86NL Netherlands 13->48 44 C:\ProgramData\remcos\logs.dat, data 13->44 dropped 70 Installs a global keyboard hook 13->70 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        file8 signatures9 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/48fb43de46240bb31eb2e76cf6302d3ba008de77319692a326c0f684b4923a06/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-07-31 06:44:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jd5uhxsgeqf3ghvs45wpmmbnhoqarxtxggljfizgyd3ijneshida._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3ddab0e4f018293bc930fb5a635c471074af3cce36801955d938d3eae8a5c737
RemcosRAT
4a23b3a3cc728ab547f5f3f5149f70242187b45aefa26c5f5663f8cbabeb2330
RemcosRAT
8a7703a7a13f95e6e58aac075b70bc322355e7f683e04824c17407a1881838cf
RemcosRAT
9441f2f74776f33df8f0f42c53a6fccea0d3173c9a2f403a16d07958509116c7
RemcosRAT
99ed6e63a6e0562da0a4accc3c868a50a04e5c4f7757c99808eddf6979b84587
RemcosRAT
9b41e719470475dfacf64f42d8d8001d90cf442213fdf0e19ad5cd86d9742810
RemcosRAT
a0ebf0e5b7ddce607d73f58a9a3a676bc9cc4645bb1918c8ded7d287fd2275b9
RemcosRAT
c06b82a4003da0da508dbad0b63fad050682b8490aefa104f4f9f016abb60fb6
RemcosRAT
d81a0fe47c7cc9fdba1c13c2aa4f0372579f4c9ac51e16b7384da4b19c7c26a0
RemcosRAT
+ 2'371 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/230731-hhg9vsda39/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
51.75.209.245:2404
Unpacked files
SH256 hash:
59c4c36c090328c7e5d0d05294143d5bcc34befb252f360025b29437158d43d4
MD5 hash:
9e7497b825f478a86584b44260e08004
SHA1 hash:
be364d69bc7f412c7cb09a702fa3afb1875be6a5
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/49e2b582-1ce9-47b0-869c-723bcb5612d1/
Parent samples :
9b41e719470475dfacf64f42d8d8001d90cf442213fdf0e19ad5cd86d9742810
19b06353bd2b915f4fa9b30599477954534bfd37400c511d0868227044163e45
a0ebf0e5b7ddce607d73f58a9a3a676bc9cc4645bb1918c8ded7d287fd2275b9
48fb43de46240bb31eb2e76cf6302d3ba008de77319692a326c0f684b4923a06
4367214e711a4e335c0ad9cf6b186e835b5e34ffcec7468ffa3afdd68dac0403
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/49e2b582-1ce9-47b0-869c-723bcb5612d1/
SH256 hash:
544de068dee79d8d19f8e24e6df85f2fb49ca109a2e153e8abd2227a7d1cc5b1
MD5 hash:
bfcf75ba2e7df4fc1960f70f052984e3
SHA1 hash:
5035cf130a0857bcd72f79aa0ebef7d01795c2bb
Link:
https://www.unpac.me/results/49e2b582-1ce9-47b0-869c-723bcb5612d1/
SH256 hash:
28f47f18ae8466673ee87ba144a9fe63ea2ed5ee3fad610ad938db1c98f00298
MD5 hash:
98ea686554a02bf4ae9dbf2ed087cd1c
SHA1 hash:
436d1042f56b40eff60df7bc136ffbe6a55e4f03
Link:
https://www.unpac.me/results/49e2b582-1ce9-47b0-869c-723bcb5612d1/
SH256 hash:
48fb43de46240bb31eb2e76cf6302d3ba008de77319692a326c0f684b4923a06
MD5 hash:
b251cec49a1b8f95c116b205b73a54c5
SHA1 hash:
71c4ee77c7068f3636730e347145f8794ea65677
Link:
https://www.unpac.me/results/49e2b582-1ce9-47b0-869c-723bcb5612d1/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/48fb43de4624/report/overview.html
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
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 48fb43de46240bb31eb2e76cf6302d3ba008de77319692a326c0f684b4923a06

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/439288/

Comments