MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6a784c2aa30ddaf03919958455d18bf51533a475c21a73eff578df0174cc5d4. 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: 15


Intelligence 15 IOCs 1 YARA 2 File information Comments

SHA256 hash: f6a784c2aa30ddaf03919958455d18bf51533a475c21a73eff578df0174cc5d4
SHA3-384 hash: b1a85be4151aaa5545690cc63364facdc80a8c398556c5ef6a03740930895e9deb6c87d518483a51c8020b8bcb501991
SHA1 hash: 00bf05cf9cdd7b8d16c5b7e1ed48a2ef69fdd9bf
MD5 hash: 0be37e4f9919d4c75501d9b581dfff86
humanhash: zulu-vermont-nine-november
File name:EXPORT PURCHASE ORDER OG8823K-EQUIPMENTS- CA.exe
Download: download sample
Signature RemcosRAT
File size:819'200 bytes
First seen:2022-04-13 04:11:37 UTC
Last seen:2022-04-13 04:40:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:u5ypINUjB5wUKVsNidz6wN4ls48MSZ5N8FB+sWxW63hhesS6NFvnVg20nsNTk:FHFeUKX+wN4p8YKWuydcg2Y
Threatray 1'605 similar samples on MalwareBazaar
TLSH T1B60512585AFD4722C57D5BFCA8F1411943F0D4632923F34E2E84B0E6AA67B928CA3747
File icon (PE):PE icon
dhash icon c030d4c6c6f430c0 (5 x Formbook, 3 x Loki, 2 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
194.5.98.20:6060

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
194.5.98.20:6060 https://threatfox.abuse.ch/ioc/518977/

Intelligence


File Origin
# of uploads :
2
# of downloads :
427
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
EXPORT PURCHASE ORDER OG8823K-EQUIPMENTS- CA.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 04:26:32 UTC
Tags:
rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Creating a process from a recently created file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
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.
Result
Threat name:
Nanocore Remcos
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
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
Deletes itself after installation
Detected Nanocore Rat
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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: NanoCore
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicious Svchost Process
Sigma detected: WScript or CScript Dropper
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 / registry access)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Nanocore RAT
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 608362 Sample: EXPORT  PURCHASE ORDER OG88... Startdate: 13/04/2022 Architecture: WINDOWS Score: 100 86 github.com 2->86 88 avatars.githubusercontent.com 2->88 114 Malicious sample detected (through community Yara rule) 2->114 116 Antivirus detection for dropped file 2->116 118 Multi AV Scanner detection for dropped file 2->118 120 27 other signatures 2->120 10 EXPORT  PURCHASE ORDER OG8823K-EQUIPMENTS- CA.exe 7 2->10         started        signatures3 process4 file5 76 C:\Users\user\AppData\...\nKtlTWBHGCbZu.exe, PE32 10->76 dropped 78 C:\Users\user\AppData\Local\Temp\tmpBF2.tmp, XML 10->78 dropped 80 EXPORT  PURCHASE O...IPMENTS- CA.exe.log, ASCII 10->80 dropped 132 Adds a directory exclusion to Windows Defender 10->132 134 Injects a PE file into a foreign processes 10->134 14 EXPORT  PURCHASE ORDER OG8823K-EQUIPMENTS- CA.exe 10->14         started        19 powershell.exe 24 10->19         started        21 powershell.exe 24 10->21         started        23 schtasks.exe 1 10->23         started        signatures6 process7 dnsIp8 102 xylem11.ddns.net 194.5.98.20, 2159, 49714, 49761 DANILENKODE Netherlands 14->102 104 united55.ddns.net 14->104 82 C:\Users\user\Desktop\newremcos.exe, PE32 14->82 dropped 84 C:\Users\user\AppData\Local\Temp\update.vbs, data 14->84 dropped 106 Writes to foreign memory regions 14->106 108 Allocates memory in foreign processes 14->108 110 Installs a global keyboard hook 14->110 112 Injects a PE file into a foreign processes 14->112 25 wscript.exe 14->25         started        28 EXPORT  PURCHASE ORDER OG8823K-EQUIPMENTS- CA.exe 14->28         started        30 EXPORT  PURCHASE ORDER OG8823K-EQUIPMENTS- CA.exe 14->30         started        38 7 other processes 14->38 32 conhost.exe 19->32         started        34 conhost.exe 21->34         started        36 conhost.exe 23->36         started        file9 signatures10 process11 signatures12 124 Deletes itself after installation 25->124 40 cmd.exe 25->40         started        126 Tries to steal Instant Messenger accounts or passwords 28->126 128 Tries to steal Mail credentials (via file / registry access) 28->128 130 Tries to harvest and steal browser information (history, passwords, etc) 30->130 42 chrome.exe 38->42         started        45 chrome.exe 38->45         started        47 chrome.exe 38->47         started        49 4 other processes 38->49 process13 dnsIp14 51 newremcos.exe 40->51         started        56 conhost.exe 40->56         started        98 192.168.2.1 unknown unknown 42->98 100 239.255.255.250 unknown Reserved 42->100 58 chrome.exe 42->58         started        60 chrome.exe 45->60         started        62 chrome.exe 47->62         started        64 chrome.exe 49->64         started        66 chrome.exe 49->66         started        68 chrome.exe 49->68         started        70 chrome.exe 49->70         started        process15 dnsIp16 90 xylem11.ddns.net 51->90 72 C:\Program Files (x86)\...\dhcpmon.exe, PE32 51->72 dropped 74 C:\Users\user\AppData\Roaming\...\run.dat, data 51->74 dropped 122 Hides that the sample has been downloaded from the Internet (zone.identifier) 51->122 92 part-0017.t-0009.t-msedge.net 13.107.246.45, 443, 49735, 49975 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 58->92 94 part-0032.t-0009.t-msedge.net 13.107.246.60, 443, 49736, 49779 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 58->94 96 13 other IPs or domains 58->96 file17 signatures18
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-13 03:58:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost brand:microsoft persistence phishing rat
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Drops file in Program Files directory
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
united55.ddns.net:2159
Unpacked files
SH256 hash:
0d491b7d2b63b52be1de615b9f94f8934e3970c43df83b6ceda1a420cb125591
MD5 hash:
e92240ca3b65b14364cc65c87d39f5e4
SHA1 hash:
ae20f8cfacf1ae402e5443b70661757d85d230cb
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
f6793986b7e4c6bdbf0cc98eef180a8cc0849e45763b3cdd956b4edd07985fcd
MD5 hash:
e3ed775d156f4afeed114340ca13569c
SHA1 hash:
9a85f6d39cd752889afeffa066e905789699f438
SH256 hash:
c14ea4bdd27d729f044bf4e83e0bdb1e1cfcc92c987036fdbc439283c1022211
MD5 hash:
0587f7540c5eefae2bb042a11ff155d5
SHA1 hash:
24ca734b95fe93790c053f748791de56e66ebc1e
SH256 hash:
e79d5b822751a192ae88888fae58da7e4664850f15339c6e695055f2b35c2796
MD5 hash:
ececd0fed3854ac821415c0c54cfcf74
SHA1 hash:
0bb7909ff2602ed2142468f00342d8274c51dc83
SH256 hash:
f6a784c2aa30ddaf03919958455d18bf51533a475c21a73eff578df0174cc5d4
MD5 hash:
0be37e4f9919d4c75501d9b581dfff86
SHA1 hash:
00bf05cf9cdd7b8d16c5b7e1ed48a2ef69fdd9bf
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments