MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5faaf973c1d19ec62c271762f887d0a419e5d17ffc8a385e13728867aa1620a. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5faaf973c1d19ec62c271762f887d0a419e5d17ffc8a385e13728867aa1620a
SHA3-384 hash: 58516fd35fcda1fdc73acb554243889f37b6a3943b34bb9cdef23b208d6c5ec84e640095e83010b1ba0c4f2a0f4297ee
SHA1 hash: afc7547d84a7e74469943bd915838f2f91f30bc2
MD5 hash: a985919b15acbc5ddad3d441d90bf319
humanhash: twenty-lemon-mars-snake
File name:Purchase Order PO # 808006408.pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'428'480 bytes
First seen:2022-10-21 13:49:22 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:/xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxNusszOgpAho2:Ngpya1JPI9bgwB6lk2DmaPFdj
Threatray 3'519 similar samples on MalwareBazaar
TLSH T1EE656ABA22D0229FD426B1758593EDB366F76D221116D1CB50C30F6FBC482BBDA12397
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 1031ccc4ccccaa10 (14 x Loki, 12 x SnakeKeylogger, 11 x Formbook)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Purchase Order PO # 808006408.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-10-21 13:52:00 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/b3632336-39b9-4e0c-8594-49cf383ede6e

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/322320/
Detection(s):
Win.Dropper.LokiBot-9975396-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lokibot packed remcos
Link:
https://www.filescan.io/uploads/6352a38b7f72336a8d62a1c6/reports/150f43a0-cc47-4aec-b8fc-c6d831af7e0d/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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ae9dfac0-52b9-4982-9cc0-1934041a8f08
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1094952
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
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
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
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 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: 727595 Sample: Purchase Order PO # 8080064... Startdate: 21/10/2022 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 11 other signatures 2->54 7 Purchase Order PO # 808006408.pdf.exe 7 2->7         started        11 HTuqstqQwJ.exe 5 2->11         started        process3 file4 34 C:\Users\user\AppData\...\HTuqstqQwJ.exe, PE32 7->34 dropped 36 C:\Users\...\HTuqstqQwJ.exe:Zone.Identifier, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmpA5EC.tmp, XML 7->38 dropped 40 Purchase Order PO ...8006408.pdf.exe.log, ASCII 7->40 dropped 56 Adds a directory exclusion to Windows Defender 7->56 58 Injects a PE file into a foreign processes 7->58 13 Purchase Order PO # 808006408.pdf.exe 2 16 7->13         started        18 powershell.exe 21 7->18         started        20 schtasks.exe 1 7->20         started        26 2 other processes 7->26 60 Multi AV Scanner detection for dropped file 11->60 62 Machine Learning detection for dropped file 11->62 22 schtasks.exe 1 11->22         started        24 HTuqstqQwJ.exe 11->24         started        signatures5 process6 dnsIp7 44 185.136.170.229, 1960, 49701 VELIANET-ASvelianetInternetdiensteGmbHDE United Kingdom 13->44 46 geoplugin.net 178.237.33.50, 49702, 80 ATOM86-ASATOM86NL Netherlands 13->46 42 C:\ProgramData\remcos\logs.dat, data 13->42 dropped 64 Installs a global keyboard hook 13->64 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f5faaf973c1d19ec62c271762f887d0a419e5d17ffc8a385e13728867aa1620a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-18 07:32:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6x5k7fz4dum6yywcof3c7cd5bjaz4xix77ekhbpbg4uim6vbmifa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2f152a8da309e2878e0414477e27d6d041237de92c90f15e371c26ed9344cc40
RemcosRAT
2f883759c2fd1aefb2578344f0ed2de3540ed71bb325ad6f20d58540cc10f79d
RemcosRAT
35285d5b859dd9b900b3fa09955edb78f80e7c707f4d3c2afb8c23de379fb37b
RemcosRAT
61a576cbf239d8e25ba3ea9109f42c1579287514f1a0921ae53c386c649dad67
RemcosRAT
80443f2c84c8a76f98bbfe9e84cfe4a006b2b77b99eb94b0aa3b070197bb58d7
RemcosRAT
825624416b00297bbc9a9544a99b2f5d32093307933009625d386b88c413405c
RemcosRAT
90aad12150ce71c784cb7e091100e33bd37c4572d7a93b88fb9d6d08f96200a0
RemcosRAT
b3dbe53fe29989df593f3777fe297e4840c2f004c1f069e77a8c0c79ba10698d
RemcosRAT
bf9b6173d2867c122cabed33c022cc71fa6a5bdf9be0fd09af88a9dde5ccac36
RemcosRAT
+ 3'509 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost kaptain rat
Link:
https://tria.ge/reports/221021-q489gadhe3/
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:
185.136.170.229:1960
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5b239cea-d866-4b63-8451-6cc8eeba1c97
Unpacked files
SH256 hash:
9a2e448055eb88b824442ad8d1d6506ce9be2dad3a2d519b89cd11c28f93731f
MD5 hash:
69838bfbfdc85f19c6d7d69fc6855912
SHA1 hash:
d2c3e89b3f705d8e04d5880260945d9d18ddab54
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/3f764158-b0c6-469e-8cc1-bc35e9a55876/
Parent samples :
a82398e3798998a98573b4255a7e2c5a6db73ffd724dbc463e293026815f206e
cf85ece20b01cf286079c455bf6cf3dc6a2fce9386641f4458edf2bdc7bbf65a
f5faaf973c1d19ec62c271762f887d0a419e5d17ffc8a385e13728867aa1620a
02232dd152bdb1747266d1e0970e37b243dcf2c75abedcab3ded8e04ee2868f0
SH256 hash:
b8b2598075552b131029bbdf7f151f89cfa0a8bd315397c8c36ecea18aace879
MD5 hash:
d49e9e9b9eb31eb0a16981312ca8eaee
SHA1 hash:
885b00d07f549a8efc633833f082f920282b17a0
Link:
https://www.unpac.me/results/3f764158-b0c6-469e-8cc1-bc35e9a55876/
SH256 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
Link:
https://www.unpac.me/results/3f764158-b0c6-469e-8cc1-bc35e9a55876/
SH256 hash:
1e11c083a1385c1ace2e260574deb2a8abed884ae102084af02c7139f3e52686
MD5 hash:
fcd17d25726431121457eb5fb7dc1b09
SHA1 hash:
12617d4d7285d8dd5358802d9c4ce869186c7b30
Link:
https://www.unpac.me/results/3f764158-b0c6-469e-8cc1-bc35e9a55876/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/3f764158-b0c6-469e-8cc1-bc35e9a55876/
SH256 hash:
f5faaf973c1d19ec62c271762f887d0a419e5d17ffc8a385e13728867aa1620a
MD5 hash:
a985919b15acbc5ddad3d441d90bf319
SHA1 hash:
afc7547d84a7e74469943bd915838f2f91f30bc2
Link:
https://www.unpac.me/results/3f764158-b0c6-469e-8cc1-bc35e9a55876/
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/f5faaf973c1d19ec62c271762f887d0a419e5d17ffc8a385e13728867aa1620a

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 f5faaf973c1d19ec62c271762f887d0a419e5d17ffc8a385e13728867aa1620a

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/322320/

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