MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b4e0cad23b2c41bd726eb2f42720dce6e81e122370b52d07bd57d8a834b3f78. 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: 9b4e0cad23b2c41bd726eb2f42720dce6e81e122370b52d07bd57d8a834b3f78
SHA3-384 hash: 58a5619924a5669b48f6f138121dd44d0228219d9c8050db398a9186e00641ca846dd45a31b0dbbdcc112b1b11cd30b1
SHA1 hash: c87d7c2b53a4634ef6756ad33338573b60e59cd9
MD5 hash: 59bb450b84e7ac5df0a0a5e73f4bacc8
humanhash: edward-single-montana-summer
File name:NEFT Details.doc.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:774'144 bytes
First seen:2022-07-11 09:40:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:oVFd2oYkHLpPgSnh2es+OHpTyFNvu0yzySje4oPV3yR:ot2oYSpP95giNW0cLVCV3yR
TLSH T1F1F4F110E2E9C229F0FB47B81BD5F5F077E5FE214606EA7A3AA47D0D0732A418A53275
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 e8ac0c0c03130828 (1 x AsyncRAT, 1 x RemcosRAT)
Reporter pr0xylife
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
NEFT Details.doc.exe
Verdict:
Malicious activity
Analysis date:
2022-07-11 20:31:42 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/703b5c7a-002d-47e6-b532-b7f40ef872db

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/286119/
Detection(s):
SecuriteInfo.com.Variant.Strictor.274063.4993.19131.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed shell32.dll
Link:
https://www.filescan.io/uploads/62cbf06c2c28b0d9c897157e/reports/3eec297f-401c-4a5c-aed5-a225c1e650a6/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:
Malicious
Link:
https://analyze.intezer.com/analyses/982decaf-9d9e-4224-9307-ec25ad3d464c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1028395
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, 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)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 660890 Sample: NEFT Details.doc.exe Startdate: 11/07/2022 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for dropped file 2->67 69 17 other signatures 2->69 9 NEFT Details.doc.exe 6 2->9         started        13 MSword.exe 4 2->13         started        15 MSword.exe 3 2->15         started        process3 file4 53 C:\Users\user\AppData\Roaming\zLmkyq.exe, PE32 9->53 dropped 55 C:\Users\user\AppData\Local\...\tmpB2BF.tmp, XML 9->55 dropped 57 C:\Users\user\...57EFT Details.doc.exe.log, ASCII 9->57 dropped 77 Injects a PE file into a foreign processes 9->77 17 NEFT Details.doc.exe 1 5 9->17         started        20 schtasks.exe 1 9->20         started        signatures5 process6 file7 49 C:\Users\user\AppData\Roaming\...\MSword.exe, PE32 17->49 dropped 51 C:\Users\user\...\MSword.exe:Zone.Identifier, ASCII 17->51 dropped 22 cmd.exe 1 17->22         started        25 conhost.exe 20->25         started        process8 signatures9 71 Uses ping.exe to sleep 22->71 73 Uses ping.exe to check the status of other devices and networks 22->73 27 MSword.exe 4 22->27         started        30 PING.EXE 1 22->30         started        33 conhost.exe 22->33         started        35 conhost.exe 22->35         started        75 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 25->75 37 schtasks.exe 25->37         started        39 MSword.exe 25->39         started        process10 dnsIp11 81 Multi AV Scanner detection for dropped file 27->81 83 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 27->83 85 Machine Learning detection for dropped file 27->85 87 Injects a PE file into a foreign processes 27->87 41 MSword.exe 27->41         started        45 schtasks.exe 27->45         started        61 127.0.0.1 unknown unknown 30->61 47 conhost.exe 37->47         started        signatures12 process13 dnsIp14 59 194.187.251.91, 49862, 5123 M247GB United Kingdom 41->59 79 Installs a global keyboard hook 41->79 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9b4e0cad23b2c41bd726eb2f42720dce6e81e122370b52d07bd57d8a834b3f78/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-11 08:46:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tnhazljdwlcbxvzg5mxue4qnzzxidyjcg4fvfud32v6yva2lh54a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host evasion persistence rat
Link:
https://tria.ge/reports/220711-lnrbhafhhj/
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Remcos
Malware Config
C2 Extraction:
194.187.251.91:5123
Unpacked files
SH256 hash:
4969a1acefd5b420ac892029b41fe2a1d728ee7e6cf45ce44eeee65a31d2597f
MD5 hash:
d23d96ede27f53c65417c4acf5a08e52
SHA1 hash:
a721f4a7d89ee6f676e60092696a37ad7471a9f3
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/e103f5ed-2c81-44e4-992b-1be8b61ddf13/
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
Link:
https://www.unpac.me/results/e103f5ed-2c81-44e4-992b-1be8b61ddf13/
SH256 hash:
a6279a9d8cdf2a675f4246d00ef86c379aa315766f7eee012b7cea34d0e27ea8
MD5 hash:
2bf1107c042f8c24619130b70a6ae5ee
SHA1 hash:
c4d8f02dd4298e32adbf8fd2f966ac35e86befcb
Link:
https://www.unpac.me/results/e103f5ed-2c81-44e4-992b-1be8b61ddf13/
SH256 hash:
9b4e0cad23b2c41bd726eb2f42720dce6e81e122370b52d07bd57d8a834b3f78
MD5 hash:
59bb450b84e7ac5df0a0a5e73f4bacc8
SHA1 hash:
c87d7c2b53a4634ef6756ad33338573b60e59cd9
Link:
https://www.unpac.me/results/e103f5ed-2c81-44e4-992b-1be8b61ddf13/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9b4e0cad23b2/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/9b4e0cad23b2c41bd726eb2f42720dce6e81e122370b52d07bd57d8a834b3f78

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.

Cape
Cape
https://www.capesandbox.com/analysis/286119/

Comments