MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 902b8354b83848d9ebffb587eae97814fc98b3a71c16c4b2b97d306cf02148a0. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 902b8354b83848d9ebffb587eae97814fc98b3a71c16c4b2b97d306cf02148a0
SHA3-384 hash: 90aa81ebfd72d2987bb6535d20b7d37e40a2400ca0ad8c867f711474dd78ab9bddf52cf96bdc7247797dc2529c97996b
SHA1 hash: 1440e0b96b229c735745f0de3b65fc223a4d2ad3
MD5 hash: dbbcc8f5b93dd7c2d40f41701a819d02
humanhash: louisiana-floor-aspen-october
File name:PI.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'025'024 bytes
First seen:2022-11-10 08:02:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:PckWixQDPwxoatyDxdNl/a3kBh+YDq93g7v:O6IPRf1dNZaq9q9Q7v
Threatray 3'293 similar samples on MalwareBazaar
TLSH T10025CFA860518599FBAF93B421ECFFB052B631F3A1C98B5692756588C7C8FD20D811CF
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
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 0ce4d09ecefc799a (13 x Formbook, 9 x AgentTesla, 6 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
PI.exe
Verdict:
Malicious activity
Analysis date:
2022-11-10 08:02:50 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/c3ca5a15-e250-4164-acb9-979fcf0d3a2d

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/331779/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed rundll32.exe
Link:
https://www.filescan.io/uploads/636cb03782dd9f2e26534d22/reports/fadddbf3-7cd6-4c8e-b1db-3bded8e9a2c4/overview
Result
Verdict:
UNKNOWN
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/d02a5ca4-1c00-43fe-9720-16b052506e13
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1110159
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 742861 Sample: PI.exe Startdate: 10/11/2022 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 7 other signatures 2->52 7 PI.exe 7 2->7         started        11 bWNdXyjOsDXi.exe 5 2->11         started        process3 file4 32 C:\Users\user\AppData\...\bWNdXyjOsDXi.exe, PE32 7->32 dropped 34 C:\Users\...\bWNdXyjOsDXi.exe:Zone.Identifier, ASCII 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmp1BE7.tmp, XML 7->36 dropped 38 C:\Users\user\AppData\Local\...\PI.exe.log, ASCII 7->38 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 7->54 56 Adds a directory exclusion to Windows Defender 7->56 13 vbc.exe 2 16 7->13         started        18 powershell.exe 21 7->18         started        20 schtasks.exe 1 7->20         started        58 Multi AV Scanner detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 62 Writes to foreign memory regions 11->62 64 2 other signatures 11->64 22 schtasks.exe 1 11->22         started        24 vbc.exe 11->24         started        signatures5 process6 dnsIp7 42 185.222.58.57, 1960, 49691, 49700 ROOTLAYERNETNL Netherlands 13->42 44 geoplugin.net 178.237.33.50, 49692, 80 ATOM86-ASATOM86NL Netherlands 13->44 40 C:\ProgramData\remcos\logs.dat, data 13->40 dropped 66 Installs a global keyboard hook 13->66 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/902b8354b83848d9ebffb587eae97814fc98b3a71c16c4b2b97d306cf02148a0/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-11-10 03:25:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
60
AV detection:
24 of 41 (58.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=savygvfyhbent277wwd6v2lyct6jrm5hdqlmjmvzpuygz4bbjcqa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
4c26268e01117b5cf41d2f14689452912d708e64af0040ed75a40c94b0a943ea
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
ad87f3ad6fb14d2b79d7b7aac1b38bc04fd20757460da0f02cac139408df9969
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
e68ebc948356b0560fee06f52939504005fd848a93ccc41b4840c1db318a5409
RemcosRAT
+ 3'283 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/221110-jxn7dshhej/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Uses the VBS compiler for execution
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0809d526-7aeb-4bfb-8e2a-f98c4ffa0249
Unpacked files
SH256 hash:
4a742a34ab245cf279392c38b6d1ff35bf54f1e88c7f042b2e0aac3fa9238283
MD5 hash:
54365bb1a564586966ba21824771522a
SHA1 hash:
ff2a341f2f71f6eda4cc0db0e930d1015cfe75ab
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/b4183774-10f8-4654-a205-d3a031f6c13b/
Parent samples :
b8fae7f95981a7ef822808a3421cb6b779d993cb7b24b2bcfd5ce5b0665169ea
902b8354b83848d9ebffb587eae97814fc98b3a71c16c4b2b97d306cf02148a0
SH256 hash:
e0aa5a09fda7a362af9e59b4cb96668c3026dbfcf259b7dd039c652123a5695a
MD5 hash:
4dd5723dd360011dc82471c8f5346c0d
SHA1 hash:
a43bc8f504e3187f747dbf9c01a62781283a5bdf
Link:
https://www.unpac.me/results/b4183774-10f8-4654-a205-d3a031f6c13b/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/b4183774-10f8-4654-a205-d3a031f6c13b/
SH256 hash:
761ab67736464ec960c6999b9cf1ad51d68a6b749a8e9390746e02438f78324a
MD5 hash:
ac1d63bfc9488424a5af231d2c286541
SHA1 hash:
2274cdeb05b1aff2c83b6a6679ddbca4f4422c90
Link:
https://www.unpac.me/results/b4183774-10f8-4654-a205-d3a031f6c13b/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/b4183774-10f8-4654-a205-d3a031f6c13b/
SH256 hash:
902b8354b83848d9ebffb587eae97814fc98b3a71c16c4b2b97d306cf02148a0
MD5 hash:
dbbcc8f5b93dd7c2d40f41701a819d02
SHA1 hash:
1440e0b96b229c735745f0de3b65fc223a4d2ad3
Link:
https://www.unpac.me/results/b4183774-10f8-4654-a205-d3a031f6c13b/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/902b8354b838/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/902b8354b83848d9ebffb587eae97814fc98b3a71c16c4b2b97d306cf02148a0

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 902b8354b83848d9ebffb587eae97814fc98b3a71c16c4b2b97d306cf02148a0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/331779/

Comments