MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 776a6d59ed63633532e699c5db03f021d37c8f7ac7dc43902ac8b4e4f73aeff1. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 776a6d59ed63633532e699c5db03f021d37c8f7ac7dc43902ac8b4e4f73aeff1
SHA3-384 hash: 4f48bb09fcbd3f895ed26f067d3b45dd0ef96e29a098120f1b1bbdb545170bdb6834dabd0220761822144641f7b26fa5
SHA1 hash: d7109c3d4a54b4ec00386d90dccb063b843941bc
MD5 hash: 4eb73d1c39f3ac7f1ce71c06c08b09e3
humanhash: washington-maine-montana-idaho
File name:4eb73d1c39f3ac7f1ce71c06c08b09e3.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:651'645 bytes
First seen:2023-06-19 11:47:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (388 x GuLoader, 59 x RemcosRAT, 44 x VIPKeylogger)
ssdeep 12288:OkiLurdiRW+dnZ8BXor9iLYCt1l7ptlBypfry1QRdSiT:uLurdiRW+n8fYCfl/ypfry0N
TLSH T164D4010735A081E9EE7E1DF7AA1B408073C6DC7BD55C920A7BC837960BF1192983A767
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon a2b0aca6a6bafe6a (4 x RemcosRAT, 2 x DarkComet, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
273
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New order F08923.doc
Verdict:
Malicious activity
Analysis date:
2023-06-19 06:05:57 UTC
Tags:
exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/c9a335a8-4451-4770-9f01-8ecbbcfecc56

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/400412/
Detection(s):
SecuriteInfo.com.FileRepMalware.8583.6420.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/91563/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/649040735abd7c1e165f9fb1/reports/10f7694e-898a-4c49-bb89-e6caf6987ca9/overview
Verdict:
Malicious
Labled as:
Trojan.NSIS.Makoob
Link:
https://www.hybrid-analysis.com/sample/776a6d59ed63633532e699c5db03f021d37c8f7ac7dc43902ac8b4e4f73aeff1
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/2ac25a6f-a1d7-429d-850b-a0744170a4e5
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1257406
Signature
Antivirus detection for URL or domain
Creates autostart registry keys with suspicious names
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 890437 Sample: 8dIolN0FIu.exe Startdate: 19/06/2023 Architecture: WINDOWS Score: 100 47 Multi AV Scanner detection for domain / URL 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 8 8dIolN0FIu.exe 6 43 2->8         started        12 chromes.exe 27 2->12         started        14 chromes.exe 27 2->14         started        process3 file4 35 C:\Users\user\AppData\Local\...\System.dll, PE32 8->35 dropped 63 Tries to detect Any.run 8->63 16 8dIolN0FIu.exe 2 10 8->16         started        37 C:\Users\user\AppData\Local\...\System.dll, PE32 12->37 dropped 39 C:\Users\user\AppData\Local\...\System.dll, PE32 14->39 dropped signatures5 process6 dnsIp7 41 78.138.105.156 VELIANET-ASvelianetInternetdiensteGmbHDE Germany 16->41 29 C:\ProgramData\chromes\chromes.exe, PE32 16->29 dropped 31 C:\...\chromes.exe:Zone.Identifier, ASCII 16->31 dropped 55 Creates autostart registry keys with suspicious names 16->55 57 Tries to detect Any.run 16->57 21 chromes.exe 28 16->21         started        file8 signatures9 process10 file11 33 C:\Users\user\AppData\Local\...\System.dll, PE32 21->33 dropped 59 Multi AV Scanner detection for dropped file 21->59 61 Tries to detect Any.run 21->61 25 chromes.exe 3 14 21->25         started        signatures12 process13 dnsIp14 43 5.253.114.108 CLOUVIDERClouvider-GlobalASNGB United Kingdom 25->43 45 178.237.33.50 ATOM86-ASATOM86NL Netherlands 25->45 65 Tries to detect Any.run 25->65 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/776a6d59ed63633532e699c5db03f021d37c8f7ac7dc43902ac8b4e4f73aeff1/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-06-18 23:54:18 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o5vg2wpnmnrtkmxgthc5wa7qehjxzd32y7oehebkzc2oj5z257yq._file
Verdict:
unknown
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:log discovery downloader persistence rat
Link:
https://tria.ge/reports/230619-nye3bsef9s/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks installed software on the system
Checks QEMU agent file
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
5.253.114.108:2022
Unpacked files
SH256 hash:
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
MD5 hash:
17ed1c86bd67e78ade4712be48a7d2bd
SHA1 hash:
1cc9fe86d6d6030b4dae45ecddce5907991c01a0
Link:
https://www.unpac.me/results/45733c36-b957-42ed-b6a7-feb0023412c4/
SH256 hash:
776a6d59ed63633532e699c5db03f021d37c8f7ac7dc43902ac8b4e4f73aeff1
MD5 hash:
4eb73d1c39f3ac7f1ce71c06c08b09e3
SHA1 hash:
d7109c3d4a54b4ec00386d90dccb063b843941bc
Link:
https://www.unpac.me/results/45733c36-b957-42ed-b6a7-feb0023412c4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/776a6d59ed63633532e699c5db03f021d37c8f7ac7dc43902ac8b4e4f73aeff1

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe 776a6d59ed63633532e699c5db03f021d37c8f7ac7dc43902ac8b4e4f73aeff1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2639283/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/400412/

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