MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26cfb1b24425c97fc4588631b23ca93def5d84efb2300d81bdbbb48443207292. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 26cfb1b24425c97fc4588631b23ca93def5d84efb2300d81bdbbb48443207292
SHA3-384 hash: ea0aa206603c48cf7a6fdd7d7791c39028b1959defc638c11437b41c7fbd8f7e83b4d34f86764e69338017aa17e71257
SHA1 hash: 007e9f4dbc3b50681b92df35c92f66322aed6e4d
MD5 hash: d059cb67acea2c312309714eb1af01a7
humanhash: eleven-delaware-sweet-quebec
File name:qCojews72UKm7Jg.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:560'640 bytes
First seen:2020-10-02 19:42:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:DzGF2mcaboxdxAm2T1W7tsb4yaaMKwiqVm90XaQt2:HAcaboxdxj2T0psYO/Qt2
Threatray 317 similar samples on MalwareBazaar
TLSH FFC40210B2E2D925DABB0D76142285211F75FDBB9932C3CF0D9B38DE89BA7805746B03
Reporter GovCERT_CH
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/67802/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.373.17584.6093.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Reading critical registry keys
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Stealing user critical data
Enabling autorun by creating a file
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/480586
Signature
Contains functionality to capture and log keystrokes
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
Detected unpacking (creates a PE file in dynamic memory)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
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 access)
Tries to steal Mail credentials (via file registry)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 292732 Sample: qCojews72UKm7Jg.exe Startdate: 02/10/2020 Architecture: WINDOWS Score: 100 37 g.msn.com 2->37 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 10 other signatures 2->49 8 qCojews72UKm7Jg.exe 6 2->8         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\tQmFOpnzWBfP.exe, PE32 8->29 dropped 31 C:\Users\user\AppData\Local\...\tmp30AD.tmp, XML 8->31 dropped 33 C:\Users\user\...\qCojews72UKm7Jg.exe.log, ASCII 8->33 dropped 57 Detected unpacking (creates a PE file in dynamic memory) 8->57 59 Tries to steal Mail credentials (via file registry) 8->59 61 Contains functionality to steal Chrome passwords or cookies 8->61 63 3 other signatures 8->63 12 qCojews72UKm7Jg.exe 2 3 8->12         started        17 schtasks.exe 1 8->17         started        signatures6 process7 dnsIp8 41 latua.nsupdate.info 79.134.225.85, 49730, 49732, 49733 FINK-TELECOM-SERVICESCH Switzerland 12->41 35 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 12->35 dropped 65 Injects a PE file into a foreign processes 12->65 19 qCojews72UKm7Jg.exe 1 12->19         started        22 qCojews72UKm7Jg.exe 13 12->22         started        25 qCojews72UKm7Jg.exe 1 12->25         started        27 conhost.exe 17->27         started        file9 signatures10 process11 dnsIp12 51 Tries to steal Instant Messenger accounts or passwords 19->51 53 Tries to steal Mail credentials (via file access) 19->53 39 192.168.2.1 unknown unknown 22->39 55 Tries to harvest and steal browser information (history, passwords, etc) 22->55 signatures13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/26cfb1b24425c97fc4588631b23ca93def5d84efb2300d81bdbbb48443207292/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2020-10-02 17:33:31 UTC
AV detection:
32 of 48 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=e3h3dmseexex7rcyqyy3epfjhxxv3bhpwiya3an5xo2iiqzaokja._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
071e686cfd7588fdc60e84ef03716534b7a2de1f3afe5d6bbda95fcd223ab334
RemcosRAT
485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87
RemcosRAT
64ba0f4265f9ed3f3f9315ee0256b360827074d5f898a7eb07ed98dd5f7fec7e
RemcosRAT
7133d7e48e25500913021a3d2c6d4efa3d9ace18d9887cd899f64c3c598c037a
RemcosRAT
8043fce8f83dc87396532c20107397ebf5889f802cb588d26bbf0822b39ed27a
RemcosRAT
936aa436f6a85762fe0fa8f9f14af43e5a53ba7bf398f279925f73dc511c09b4
RemcosRAT
bf9e953c433f1108878018fba685844d8cd89171a40b9387386e4dc89c1ca981
RemcosRAT
d69aa1932b2e702e5065ee19da9fc9cf2b05e7dbaa617141b14eaa501a14955e
RemcosRAT
d7edec42151eb4762b265be6014bd7f391c948406a46a9f997337e2b80424193
RemcosRAT
ff3eb81477b36ac2239b623085961439379064929b20c4a69f72cb266adece83
RemcosRAT
+ 307 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
rat family:remcos spyware
Link:
https://tria.ge/reports/201002-9e7ed8bd76/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Remcos
Unpacked files
SH256 hash:
26cfb1b24425c97fc4588631b23ca93def5d84efb2300d81bdbbb48443207292
MD5 hash:
d059cb67acea2c312309714eb1af01a7
SHA1 hash:
007e9f4dbc3b50681b92df35c92f66322aed6e4d
Link:
https://www.unpac.me/results/3e923815-742e-4b68-9518-4b3e0aa8186d/
SH256 hash:
e0f1f79b7a1e0479c53c843a8ea203ecd06904c0e62c6caea57e1e18b633fc26
MD5 hash:
5b55ea896a010fc6fc2153f8d024fdef
SHA1 hash:
9b53617683dbafa76a71a0ed64e8d12caa0f79af
Link:
https://www.unpac.me/results/3e923815-742e-4b68-9518-4b3e0aa8186d/
SH256 hash:
53887c7cd96544bcb7caa6a39539ee4e437c5645294791304ccc96bc82aee4a9
MD5 hash:
dab30984b19de6a9e4e6cb4f6435a81b
SHA1 hash:
b057590f736f896fe993e7f022710daf21001d29
Link:
https://www.unpac.me/results/3e923815-742e-4b68-9518-4b3e0aa8186d/
SH256 hash:
1a6dec9b32d7b9f01ea6af83c9fda89e0520406c39c15c320ab83e864d4d5b5e
MD5 hash:
f85b27665cb977a3bfbc8fd72aed0366
SHA1 hash:
f1add8c2f2b4215e39e44840a94ed209ab878b06
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/3e923815-742e-4b68-9518-4b3e0aa8186d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
DarkComet
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/26cfb1b24425c97fc4588631b23ca93def5d84efb2300d81bdbbb48443207292

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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

6e9cbddbc91a9975b7ab0d7eff5596c37ff831ae9ef0f7b4e35333a5a5ca1266

RemcosRAT

Executable exe 26cfb1b24425c97fc4588631b23ca93def5d84efb2300d81bdbbb48443207292

(this sample)

  
Dropped by
MD5 1c8f113515d723eb6ecb101dbaa1f113
  
Dropped by
SHA256 6e9cbddbc91a9975b7ab0d7eff5596c37ff831ae9ef0f7b4e35333a5a5ca1266
  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/67802/

Comments