MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dea9a9f7f1904e22a19045d3a243b1bb595dcc8f75fd613578ee4ae2b84b75e0. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dea9a9f7f1904e22a19045d3a243b1bb595dcc8f75fd613578ee4ae2b84b75e0
SHA3-384 hash: 875b4f441b33612551e073d22588ec7cf27d4a3ecc08329476cba0ebfddf083962a3070e2a13621ac0d2cef45ca68c35
SHA1 hash: afa168961fdfa874d6b1d2e28ae9f9fdc2f559e6
MD5 hash: 82e84da3ad802163fb09c869c0ad0cf2
humanhash: ceiling-four-nine-hamper
File name:82e84da3ad802163fb09c869c0ad0cf2
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'053'120 bytes
First seen:2022-04-11 18:23:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:IKGpRLqktXZbRXMy7LWZ6SLVujiAICNaDOrDatymmnBkj:IKQJbR8y/WMSLSiOjatlm
Threatray 14'850 similar samples on MalwareBazaar
TLSH T16295174EA3824C1AFDC2C371DE736FA1AB619A760A0D5707E3A5253DD82F3A95E40743
File icon (PE):PE icon
dhash icon 70cc8622339accf0 (1 x RemcosRAT)
Reporter zbetcheckin
Tags:32 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:
82e84da3ad802163fb09c869c0ad0cf2
Verdict:
Malicious activity
Analysis date:
2022-04-11 22:04:23 UTC
Tags:
rat remcos keylogger formbook trojan stealer
Link:
https://app.any.run/tasks/bc264444-3152-4b70-8a66-6ed52cf40d58

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/262798/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Unauthorized injection to a recently created process
Setting a keyboard event handler
Launching a process
Launching cmd.exe command interpreter
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62547247eab80a7a6cf96ea8/reports/ad7b5b2e-240c-4bcd-96c7-0ee71560d239/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4042cbc1-f47d-4d54-9960-5cd6ad4f3be4
Result
Threat name:
FormBook Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/974836
Signature
Antivirus detection for dropped file
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Drops executable to a common third party application directory
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Uses dynamic DNS services
Yara detected FormBook
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 607326 Sample: ZeBeGuP1vC Startdate: 11/04/2022 Architecture: WINDOWS Score: 100 46 emarketinglatakva.ddns.net 2->46 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for dropped file 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 7 other signatures 2->58 11 ZeBeGuP1vC.exe 1 7 2->11         started        signatures3 process4 file5 38 C:\Users\user\AppData\Local\firefox.exe, PE32 11->38 dropped 40 C:\Users\user\...\Wwigrjchqaquoowjokay fb.exe, PE32 11->40 dropped 42 C:\Users\user\...\firefox.exe:Zone.Identifier, ASCII 11->42 dropped 44 C:\Users\user\AppData\...\ZeBeGuP1vC.exe.log, ASCII 11->44 dropped 68 Contains functionalty to change the wallpaper 11->68 70 Contains functionality to steal Chrome passwords or cookies 11->70 72 Contains functionality to inject code into remote processes 11->72 74 4 other signatures 11->74 15 Wwigrjchqaquoowjokay fb.exe 11->15         started        18 ZeBeGuP1vC.exe 2 3 11->18         started        signatures6 process7 dnsIp8 76 Modifies the context of a thread in another process (thread injection) 15->76 78 Maps a DLL or memory area into another process 15->78 80 Sample uses process hollowing technique 15->80 82 Queues an APC in another process (thread injection) 15->82 21 explorer.exe 3 1 15->21 injected 48 emarketinglatakva.ddns.net 45.134.173.174, 49743, 49744, 49745 CLOUDIE-AS-APCloudieLimitedHK Russian Federation 18->48 50 192.168.2.1 unknown unknown 18->50 84 Installs a global keyboard hook 18->84 signatures9 process10 process11 23 firefox.exe 3 21->23         started        26 chkdsk.exe 21->26         started        28 firefox.exe 2 21->28         started        signatures12 60 Multi AV Scanner detection for dropped file 23->60 62 Machine Learning detection for dropped file 23->62 64 Injects a PE file into a foreign processes 23->64 30 firefox.exe 23->30         started        66 Tries to detect virtualization through RDTSC time measurements 26->66 32 cmd.exe 26->32         started        34 firefox.exe 28->34         started        process13 process14 36 conhost.exe 32->36         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dea9a9f7f1904e22a19045d3a243b1bb595dcc8f75fd613578ee4ae2b84b75e0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-11 18:24:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=32u2t57rsbhcfimqixj2eq5rxnmv3tepox6wcnly5zfofocloxqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
remcos
Create hunting rule
Similar samples:
07b410374e6c8e4bf019940912986c0fb1279241bd86d135be323d89df9298b3
RemcosRAT
0f26fc2304b6625ef379ab4b0725e57d814a4e87035b6d15215067f3f3321af0
RemcosRAT
452d0b533d6269e64c54982fbe5e07ad2f20e113650d559829b27135d8adc285
RemcosRAT
5d73c1ce4d0c8beea33b6eaef76d82e389d139d8e6caa17c2767c70889697c3b
RemcosRAT
625f25dedd3f7e114dc89cff907dfec350df5cbb4efa09942f2b5ed9950c1216
RemcosRAT
76cc06bfad45121afa9c1b5ac81cfc129a3a16a388170a84e895ed099ccccecb
RemcosRAT
ce7e5c68cfe5d7e602c698d10280cd44280e78dfa8ba0b549b90a4ba906ba84b
RemcosRAT
d7fb7846545905a86a059da93c28f6f14a12b4ff9148b801f7238e75d75036c7
RemcosRAT
de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3
RemcosRAT
+ 14'840 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:remcos botnet:billions campaign:w83h persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220411-w112ksbga4/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Remcos
Malware Config
C2 Extraction:
emarketinglatakva.ddns.net:9794
Unpacked files
SH256 hash:
a9716a866bca262e5b48b8c7fa2073de19d285b50198418a60ad039305d7ccb9
MD5 hash:
3085c9de3ccb5d6d571b671109a59ebd
SHA1 hash:
60c50d6783772e2dcc78d96271e405b10e2907a5
Link:
https://www.unpac.me/results/d0ecdf9f-0bae-4579-987b-36f7c4728135/
SH256 hash:
b2777919ff8720d65a39d58fc95be6ad1d13be3c4d26ce59e6a1818a29ccc416
MD5 hash:
635959b661d23b82dad1e1c4f3c01d2a
SHA1 hash:
59865997e1b868933cfdb7358d13373dda5f47f9
Link:
https://www.unpac.me/results/d0ecdf9f-0bae-4579-987b-36f7c4728135/
SH256 hash:
121b32cd75b32d5b77f0d4105d77b82d5ab2764d7fe51a92c209ec29be4ae989
MD5 hash:
0e28fdd41c3729ba84d3745fba7a6fb6
SHA1 hash:
000da63ea17ba7dadffb509948838690800ff185
Link:
https://www.unpac.me/results/d0ecdf9f-0bae-4579-987b-36f7c4728135/
SH256 hash:
184d8721f8fd9a1152be3dfdb14abf294e24e811164d797db819e66e72a30bdb
MD5 hash:
bf21047f4ca49789efd5169a4b92b63a
SHA1 hash:
b1c11c9d29e3a8f03a67b0e70512a7b714f2b5b2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d0ecdf9f-0bae-4579-987b-36f7c4728135/
Parent samples :
625f25dedd3f7e114dc89cff907dfec350df5cbb4efa09942f2b5ed9950c1216
dea9a9f7f1904e22a19045d3a243b1bb595dcc8f75fd613578ee4ae2b84b75e0
SH256 hash:
dea9a9f7f1904e22a19045d3a243b1bb595dcc8f75fd613578ee4ae2b84b75e0
MD5 hash:
82e84da3ad802163fb09c869c0ad0cf2
SHA1 hash:
afa168961fdfa874d6b1d2e28ae9f9fdc2f559e6
Link:
https://www.unpac.me/results/d0ecdf9f-0bae-4579-987b-36f7c4728135/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/dea9a9f7f190/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dea9a9f7f1904e22a19045d3a243b1bb595dcc8f75fd613578ee4ae2b84b75e0

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
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

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

Web download

RemcosRAT

Executable exe dea9a9f7f1904e22a19045d3a243b1bb595dcc8f75fd613578ee4ae2b84b75e0

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2141595/
Cape
Cape
https://www.capesandbox.com/analysis/262798/

Comments


Avatar
zbet commented on 2022-04-11 18:23:07 UTC

url : hxxp://193.142.58.55/709/vbc.exe