MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f19b2e31a0bc55cb5d4ab540605cfeffca6dd241cbe4e96e065d403a7273534a. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f19b2e31a0bc55cb5d4ab540605cfeffca6dd241cbe4e96e065d403a7273534a
SHA3-384 hash: eac2c264d8b22f6228331da9b15bdb5dcdf29366919ffe26f2761e7e3345ee714ee2466c724505bc2f84fd778877744e
SHA1 hash: 8a4cc7f0dfdbd9edc94f2e08e485f876980f808e
MD5 hash: 2941c871eb1612be073828fa369a03c6
humanhash: winter-three-nineteen-echo
File name:2941c871eb1612be073828fa369a03c6.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:656'384 bytes
First seen:2021-07-01 07:02:33 UTC
Last seen:2021-07-01 07:57:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:RxZR+1lVz1hgvIcZr7RxYeaRSIB0twCbcZWXZ15o4vz1iIaL2/x8KI:HvElVz1/cZPnlQZWXZM4b1L/xa
Threatray 1'824 similar samples on MalwareBazaar
TLSH 95D40138B9BA8909F57E0FB998E460C1877B75312632E60E544D218E0F43F918E65B7F
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2941c871eb1612be073828fa369a03c6.exe
Verdict:
Malicious activity
Analysis date:
2021-07-01 07:07:26 UTC
Tags:
trojan rat remcos
Link:
https://app.any.run/tasks/a675c8f9-94dc-477b-9500-cf09676ca44a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/169074/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.13442.23645.24969.UNOFFICIAL
Create hunting rule

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/615c9651-3207-4eac-8fea-68290b644737
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/810379
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
Found malware configuration
Injects a PE file into a foreign processes
Injects files into Windows application
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: MS Office Product Spawning Exe in User Dir
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 442790 Sample: 7CIheXLSNl.exe Startdate: 01/07/2021 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 9 other signatures 2->61 9 7CIheXLSNl.exe 3 2->9         started        13 EXCEL.exe 2 2->13         started        15 EXCEL.exe 2 2->15         started        process3 file4 49 C:\Users\user\AppData\...\7CIheXLSNl.exe.log, ASCII 9->49 dropped 69 Contains functionality to detect virtual machines (IN, VMware) 9->69 71 Contains functionality to steal Chrome passwords or cookies 9->71 73 Contains functionality to capture and log keystrokes 9->73 77 3 other signatures 9->77 17 7CIheXLSNl.exe 1 5 9->17         started        75 Injects files into Windows application 13->75 20 EXCEL.exe 13->20         started        22 EXCEL.exe 15->22         started        signatures5 process6 file7 45 C:\Users\user\AppData\Roaming\...XCEL.exe, PE32 17->45 dropped 47 C:\Users\user\...XCEL.exe:Zone.Identifier, ASCII 17->47 dropped 24 cmd.exe 1 17->24         started        process8 signatures9 65 Uses ping.exe to sleep 24->65 67 Uses ping.exe to check the status of other devices and networks 24->67 27 EXCEL.exe 3 24->27         started        30 PING.EXE 1 24->30         started        33 conhost.exe 24->33         started        process10 dnsIp11 79 Multi AV Scanner detection for dropped file 27->79 81 Machine Learning detection for dropped file 27->81 83 Injects files into Windows application 27->83 35 EXCEL.exe 1 3 27->35         started        39 EXCEL.exe 27->39         started        41 EXCEL.exe 27->41         started        43 EXCEL.exe 27->43         started        53 127.0.0.1 unknown unknown 30->53 signatures12 process13 dnsIp14 51 KJJJK.3dxtras.com 136.144.41.183, 49723, 7003 WORLDSTREAMNL Netherlands 35->51 63 Installs a global keyboard hook 35->63 signatures15
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f19b2e31a0bc55cb5d4ab540605cfeffca6dd241cbe4e96e065d403a7273534a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-30 17:21:10 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
34540a51780e487ff9426db2ea9e2ed985e6c46130439de2e434b4a804446566
RemcosRAT
5a9f046e4d99942288488d69dec64e9ea90b2105e92bc86742e6d322448cdf8a
RemcosRAT
6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20
RemcosRAT
6858fcd2f6b042dc538d1c3fa198a4cc93dbb65a3e8d61da0700aa83dad8af93
RemcosRAT
722352b1657ddae61244396933ce047e78b81be798def74276677e345c364a77
RemcosRAT
840cbec65162b36c73facb4c63c41b22caf9e9da32c6d0afbedc74cf652f1e66
RemcosRAT
bb5df503b48b02b896b19231964a2aa53e48f2f1bf4e0abadf69dc1cfe1f6427
RemcosRAT
e3d3ca8a2fe65a80a3a730f49c63cc2f989550f4a5d14ec8d6e815924d93b532
RemcosRAT
ec62cfe26fdfab4405986ac6ec9a42b5ff016500a9b69ede745b948b70c31625
RemcosRAT
f077eba249e41b618f2beca6307585844eada56f528de4fa2468dce43a81fbda
RemcosRAT
+ 1'814 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host persistence rat
Link:
https://tria.ge/reports/210701-j8gepczyk6/
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
KJJJK.3dxtras.com:7003
Unpacked files
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/acedf6a6-b2fb-4714-8fb2-e7f2398dcdcb/
SH256 hash:
cd16fa4a45557ae0d652fad63235f16fb6dff516e2757332018e69e7e3be934d
MD5 hash:
5443eddaf7c9ff5b4e7848b7b95bbe01
SHA1 hash:
2105b5d2d13a2624a5607943f5bd585041adce0a
Link:
https://www.unpac.me/results/acedf6a6-b2fb-4714-8fb2-e7f2398dcdcb/
SH256 hash:
d728edae920af6ea407bf8b679d4afa3c80cfdccb63159d5bde509713b53d88c
MD5 hash:
fcf4fb660d6ca81cfabae45e4ef81e61
SHA1 hash:
1ceba20006bc0c09be6ac04d786632d89441dd7b
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/acedf6a6-b2fb-4714-8fb2-e7f2398dcdcb/
Parent samples :
ff91b720363ded7601beba0c3b9f73c4cd677c79e88f9b82113073d0691df7a9
f19b2e31a0bc55cb5d4ab540605cfeffca6dd241cbe4e96e065d403a7273534a
463f7c4188aeeeea4da33b41fb0c420a3e9a7855e8e2a139add7d255153ea7ee
de7ce842fcb7346c2bbdf01da4e6d0d8e2ca20332b880fe8ada7d66ed184d630
SH256 hash:
f19b2e31a0bc55cb5d4ab540605cfeffca6dd241cbe4e96e065d403a7273534a
MD5 hash:
2941c871eb1612be073828fa369a03c6
SHA1 hash:
8a4cc7f0dfdbd9edc94f2e08e485f876980f808e
Link:
https://www.unpac.me/results/acedf6a6-b2fb-4714-8fb2-e7f2398dcdcb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f19b2e31a0bc55cb5d4ab540605cfeffca6dd241cbe4e96e065d403a7273534a

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Web download

RemcosRAT

Executable exe f19b2e31a0bc55cb5d4ab540605cfeffca6dd241cbe4e96e065d403a7273534a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1398045/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/169074/

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