MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 091b0fddf7de1c049a9957de41cfd1c12bc3962a8dc70126654b23254b1ec9ad. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 091b0fddf7de1c049a9957de41cfd1c12bc3962a8dc70126654b23254b1ec9ad
SHA3-384 hash: 2baddc8c2e8dde6e53edcefdf2bf2cd9e1a7dcc296be0eed59bd600bf8deda3101861f614f3780e4ef2404fcf572f11a
SHA1 hash: 063bf793f7925d19ff5f3d09b3a9c1e24743d0ec
MD5 hash: eacf02ffed73c8f603d0a7aae3f7a4e8
humanhash: washington-berlin-echo-bluebird
File name:Documents for LUSAR MSCU5480336 CC 416.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:295'860 bytes
First seen:2023-10-24 09:49:11 UTC
Last seen:2023-10-24 12:49:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3f91aceea750f765ef2ba5d9988e6a00 (45 x GuLoader, 7 x Loki, 7 x RemcosRAT)
ssdeep 6144:QMrudbcDdgFAO5GiSeD7Wg/V5B7VJvx8wZerd1BuVST0Iu3AobuBwUT:QfHm4fW4V59VxxrYvBu0Tu3AoKpT
Threatray 2'769 similar samples on MalwareBazaar
TLSH T1015412C6BFA1C8B7E9CF4871047AE3EFB637BB092014C617974C9806D5252524EBA39D
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
337
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
__Wrong SPF record__ MSKU7211438 _ CMR Tbilisi.eml
Verdict:
Malicious activity
Analysis date:
2023-10-24 07:55:23 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/155e09a1-5c33-4933-8a8c-37a30bcac42c

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/455935/
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.8317.16737.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Delayed reading of the file
Gathering data
Verdict:
Likely Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/6537934c4678fc28dfc82027/reports/e4bfb567-de90-47a9-9278-2938ccd17260/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/091b0fddf7de1c049a9957de41cfd1c12bc3962a8dc70126654b23254b1ec9ad
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/c7b584ff-4a22-4af4-abc3-fc4d0379e621
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1331174
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to modify clipboard data
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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
Sample has a suspicious name (potential lure to open the executable)
Snort IDS alert for network traffic
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)
Tries to steal Mail credentials (via file registry)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1331174 Sample: Documents_for_LUSAR_MSCU548... Startdate: 24/10/2023 Architecture: WINDOWS Score: 100 32 ourt2949aslumes9.duckdns.org 2->32 34 kapsnovin.com 2->34 36 geoplugin.net 2->36 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 12 other signatures 2->56 8 Documents_for_LUSAR_MSCU5480336_CC_416.exe 3 40 2->8         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\System.dll, PE32 8->26 dropped 58 Writes to foreign memory regions 8->58 60 Maps a DLL or memory area into another process 8->60 12 wab.exe 4 17 8->12         started        signatures6 process7 dnsIp8 38 94.156.6.253, 2402, 49948, 49949 NET1-ASBG Bulgaria 12->38 40 kapsnovin.com 77.238.121.250, 49947, 80 ASIATECHIR Iran (ISLAMIC Republic Of) 12->40 42 geoplugin.net 178.237.33.50, 49950, 80 ATOM86-ASATOM86NL Netherlands 12->42 28 C:\Users\user\AppData\Local\...\Tinnas.exe, PE32 12->28 dropped 30 C:\Users\user\AppData\Roaming\paqlgkfs.dat, data 12->30 dropped 62 Maps a DLL or memory area into another process 12->62 64 Installs a global keyboard hook 12->64 17 wab.exe 1 12->17         started        20 wab.exe 1 12->20         started        22 wab.exe 2 12->22         started        24 2 other processes 12->24 file9 signatures10 process11 signatures12 44 Tries to steal Instant Messenger accounts or passwords 17->44 46 Tries to harvest and steal browser information (history, passwords, etc) 17->46 48 Tries to steal Mail credentials (via file / registry access) 20->48
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/091b0fddf7de1c049a9957de41cfd1c12bc3962a8dc70126654b23254b1ec9ad
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/091b0fddf7de1c049a9957de41cfd1c12bc3962a8dc70126654b23254b1ec9ad/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-24 04:24:35 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=benq7xpx3yoajguzk7pedt6ryev4hfrkrxdqcjtfjmrsksy6zgwq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
045b514767dbbe5c411284ea83b2d47b62b1f7a258f866871bfebc14667ef5e6
RemcosRAT
1aee775c13151f0853c02dbd804ad25f1ea6b3c5db6312760d67af89e689845a
RemcosRAT
55eebc888e9151e28295587ff7c12c40f8b7ae5f23d29bac79c6444277940a6a
RemcosRAT
6ecf9fda65dc1a4a9c7610510ac9f78a6663e75d736a8444c72e11a0cc8d8d46
RemcosRAT
7076d5e0459c068bc798fb168a91c4f33f2895e52356946da3f7617b7fc28b57
RemcosRAT
7af525c73aaddfe3f532acc545ee8044bae61fff536cffe4db15edf5b5e92454
RemcosRAT
7f793f734102e69d7ac16e898a6a65f3d7eae3581c82a7fc8f853299ed18d590
RemcosRAT
9707c1faa4b7191af96f2879472c6bb368eef29b80d917dc9dc197f92ae86b8f
RemcosRAT
b94bcb3ea1cef8b1759856c06c57264332223216fda926fdb58bc848e5a5494d
RemcosRAT
e479c0b49b6fe13242fc767e1db58067b61e4c16ff7068d3b39c4d8c2836428f
RemcosRAT
+ 2'759 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:xworm downloader persistence rat trojan
Link:
https://tria.ge/reports/231024-ltymrsdh44/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Detect Xworm Payload
Guloader,Cloudeye
Xworm
Unpacked files
SH256 hash:
f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9
MD5 hash:
d6f54d2cefdf58836805796f55bfc846
SHA1 hash:
b980addc1a755b968dd5799179d3b4f1c2de9d2d
Link:
https://www.unpac.me/results/fcc46bf6-d808-4b64-be04-4ab676506d90/
SH256 hash:
091b0fddf7de1c049a9957de41cfd1c12bc3962a8dc70126654b23254b1ec9ad
MD5 hash:
eacf02ffed73c8f603d0a7aae3f7a4e8
SHA1 hash:
063bf793f7925d19ff5f3d09b3a9c1e24743d0ec
Link:
https://www.unpac.me/results/fcc46bf6-d808-4b64-be04-4ab676506d90/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/091b0fddf7de/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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:QbotStuff
Create hunting rule
Author:anonymous

File information

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

Malspam

RemcosRAT

Executable exe 091b0fddf7de1c049a9957de41cfd1c12bc3962a8dc70126654b23254b1ec9ad

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/455935/

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