MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f03d6f5a38d18082c3dd60b773921aecd203a839446a4aca4908309a004b4a4. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7f03d6f5a38d18082c3dd60b773921aecd203a839446a4aca4908309a004b4a4
SHA3-384 hash: 31ebd9aa833074983c5726f43ea7da3625997fa83b66a6039542d6923bfb7386582df8bca624b7bd1baecf0cbd209271
SHA1 hash: 658f6755625787429ad5318dc0ad825130ea85b7
MD5 hash: b46c2cfc05bc1e8fe659d143ccf77375
humanhash: idaho-august-missouri-artist
File name:b46c2cfc05bc1e8fe659d143ccf77375
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:564'224 bytes
First seen:2021-07-13 07:40:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:7oCxe6H45BQ/zIhr83n1cH33iP5TwoioMw2YxMkXLwFfKl:sC/UBTW31cH33iBdMw2Dy4Kl
Threatray 324 similar samples on MalwareBazaar
TLSH T18BC41294B911AAA3E91603F03086B5804F74B9639EA3C7DF0E9E22D73AF1B5D0543D87
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b46c2cfc05bc1e8fe659d143ccf77375
Verdict:
Malicious activity
Analysis date:
2021-07-13 07:43:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/450aad25-e38d-4e4e-a3e9-d1a4a3e4c1b7

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/171272/
Detection(s):
SecuriteInfo.com.Variant.Bulz.558029.1233.27576.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/68b126d9-6892-48f9-a7ef-fcb16bf904e2
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/815360
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected Remcos RAT
Found 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 submitted file
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 447771 Sample: 4B9CaCxB3Q Startdate: 13/07/2021 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 7 other signatures 2->52 8 4B9CaCxB3Q.exe 4 9 2->8         started        12 notapad.exe 2 2->12         started        14 notapad.exe 2->14         started        process3 file4 26 C:\Users\user\AppData\Local\notapad.exe, PE32 8->26 dropped 28 C:\Users\user\AppData\...\4B9CaCxB3Q.exe, PE32 8->28 dropped 30 C:\Users\user\...\notapad.exe:Zone.Identifier, ASCII 8->30 dropped 32 3 other malicious files 8->32 dropped 54 Writes to foreign memory regions 8->54 56 Injects a PE file into a foreign processes 8->56 16 4B9CaCxB3Q.exe 2 3 8->16         started        20 wscript.exe 1 8->20         started        58 Machine Learning detection for dropped file 12->58 signatures5 process6 dnsIp7 34 freightmgmt.duckdns.org 194.5.98.207, 49725, 691 DANILENKODE Netherlands 16->34 36 Machine Learning detection for dropped file 16->36 38 Contains functionality to steal Chrome passwords or cookies 16->38 40 Contains functionality to inject code into remote processes 16->40 44 3 other signatures 16->44 42 Wscript starts Powershell (via cmd or directly) 20->42 22 powershell.exe 26 20->22         started        signatures8 process9 process10 24 conhost.exe 22->24         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7f03d6f5a38d18082c3dd60b773921aecd203a839446a4aca4908309a004b4a4/
Threat name:
ByteCode-MSIL.Trojan.Bulz
Create hunting rule
Status:
Malicious
First seen:
2021-07-13 07:41:11 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=p4b5n5ndrumaqlb52yfxoojbv3gsaoudsrdkjlfescbqtiaewssa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
10c58df72a83689d06a1562b349fa195f853465e14cdab38f7dc8ae77fe52d4b
RemcosRAT
1a5fef4a3bbce0a3e77343c3794484a88a4cbe42a466e09749aba58ea081bd8d
RemcosRAT
219fc775299b765c2a1626b602f478d3642139dc243a46120281843bdb5bd5e9
RemcosRAT
653162513b0b91ca4232620e9233402d8da6b89a362c78475d2c20da78f9e72d
RemcosRAT
6eed5350c18b26f6aadaf28e5ceb48ca742db7fbee28fbe9aa7f3c552651e048
RemcosRAT
79861a10fcfaf967d54382b93d84ed03e5d5202cd3dfdcb599a535520360017e
RemcosRAT
8c9ba9842e3e17a820085d913d34d20414ab7acee8106142ce04b5b2bf2581b7
RemcosRAT
d144ad20d75ca601f1189b61459dd9f330ca804db475823bd3e0bb3c0c89f4df
RemcosRAT
f198970271e10830bafa86eccc5ce43e5075a15ed43f4e1924d0e8e0824f218b
RemcosRAT
+ 314 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:ach persistence rat
Link:
https://tria.ge/reports/210713-165598v58x/
Behaviour
Modifies registry class
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
Remcos
Malware Config
C2 Extraction:
freightmgmt.duckdns.org:691
Unpacked files
SH256 hash:
ca16449e3298c6cda208f47fe508be4dd58ee94642c92aaec435af3050ca5af5
MD5 hash:
83a042b2186deaba51d53ef93a7a5e33
SHA1 hash:
55eed9d08e7937db53ba8b6d08d523fc1f563d17
Link:
https://www.unpac.me/results/2d1b339b-56e0-43e1-8a9f-6252e8915baa/
SH256 hash:
ea9640400d8051ee2855e305d4d5589ed1f6313e391baa3e3e1a4f0312da6050
MD5 hash:
799db67053d4e5c52482dbac2103ba53
SHA1 hash:
73751182a282ce1c948416cf2649f09d31a20d0a
Link:
https://www.unpac.me/results/2d1b339b-56e0-43e1-8a9f-6252e8915baa/
SH256 hash:
c07f2ba2c8a6a69283dcbde7d009fe78663a88e9f12000f9571af86c98475f5e
MD5 hash:
6e27333d44a472783cdb488cd8dfb721
SHA1 hash:
226fa3d19c6316f47b1379d06bbb190c7fff4151
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/2d1b339b-56e0-43e1-8a9f-6252e8915baa/
Parent samples :
2dd7a0f3a8c01338b500b88c023560f468c8d3c61e13fb5a6e55eab69087e7bc
129b7cf64e3afecabb3a0c27fedc69cbade9c81ce3c0a5da367717bdef49f7c9
5c85d31e96aa84a80c123af889f960bbf39a7c13a2ed9e2d9644ad2e3fa366de
8c9ba9842e3e17a820085d913d34d20414ab7acee8106142ce04b5b2bf2581b7
4418451ac62d0ded7768617f213598565700604cc9856cb6b2709f1e5304c2a1
7f03d6f5a38d18082c3dd60b773921aecd203a839446a4aca4908309a004b4a4
ac0afc6e6de1b0682478fe38c23f21578acc6e6f1f43f8bf56d2bd400b69237a
SH256 hash:
7f03d6f5a38d18082c3dd60b773921aecd203a839446a4aca4908309a004b4a4
MD5 hash:
b46c2cfc05bc1e8fe659d143ccf77375
SHA1 hash:
658f6755625787429ad5318dc0ad825130ea85b7
Link:
https://www.unpac.me/results/2d1b339b-56e0-43e1-8a9f-6252e8915baa/
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/7f03d6f5a38d18082c3dd60b773921aecd203a839446a4aca4908309a004b4a4

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.

Web download

RemcosRAT

Executable exe 7f03d6f5a38d18082c3dd60b773921aecd203a839446a4aca4908309a004b4a4

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1449687/
Cape
Cape
https://www.capesandbox.com/analysis/171272/

Comments


Avatar
zbet commented on 2021-07-13 07:40:12 UTC

url : hxxp://greenpayindia.com/ConsoleApp6.exe