MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecad62ef8415885ac40c6e3889e323293599d9ed531fe62d77e1488c925650d5. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments

SHA256 hash: ecad62ef8415885ac40c6e3889e323293599d9ed531fe62d77e1488c925650d5
SHA3-384 hash: 386d6eee33cc3180bd042d4292469860edb4e3e5fc199503cd3deed68f28ab262a3cdc9e45baf4934bdcd3a53d5ce01b
SHA1 hash: 328bc88367198631240b597a95f778d88dc8203e
MD5 hash: 3e0dfcd2f7010bd370306c016827d1d3
humanhash: mobile-zebra-carbon-beer
File name:DHL AWB 32536063331.exe
Download: download sample
Signature RemcosRAT
File size:1'305'600 bytes
First seen:2024-02-02 11:13:17 UTC
Last seen:2024-02-05 08:32:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:2MyUmzGrDS4gAM1CgzCc8C95cdjX5StGpvXpChTTQ6+HN:pDS4gAM10pS5+jpSe5ChTcBt
TLSH T1A555E0812AB48F14F93E9BF544650110A7757D5B782FEB4D9EC0B0FA1EB6B400E93A27
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon f6f9b5e6c486b3c9 (6 x Formbook, 6 x RemcosRAT, 4 x AgentTesla)
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
312
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ecad62ef8415885ac40c6e3889e323293599d9ed531fe62d77e1488c925650d5.exe
Verdict:
Malicious activity
Analysis date:
2024-02-02 11:16:15 UTC
Tags:
rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed remcos
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.
Result
Threat name:
PureLog Stealer, Remcos
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates autostart registry keys with suspicious names
Delayed program exit found
Found malware configuration
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1385541 Sample: DHL_AWB_32536063331.exe Startdate: 02/02/2024 Architecture: WINDOWS Score: 100 60 Multi AV Scanner detection for domain / URL 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 13 other signatures 2->66 8 DHL_AWB_32536063331.exe 7 2->8         started        12 CBlXxhQTPNXgch.exe 5 2->12         started        14 remcos.exe 2->14         started        16 2 other processes 2->16 process3 file4 56 C:\Users\user\AppData\...\CBlXxhQTPNXgch.exe, PE32 8->56 dropped 58 C:\Users\user\AppData\Local\...\tmp5565.tmp, XML 8->58 dropped 78 Uses schtasks.exe or at.exe to add and modify task schedules 8->78 80 Writes to foreign memory regions 8->80 82 Allocates memory in foreign processes 8->82 84 Adds a directory exclusion to Windows Defender 8->84 18 RegSvcs.exe 2 3 8->18         started        22 powershell.exe 23 8->22         started        24 schtasks.exe 1 8->24         started        86 Multi AV Scanner detection for dropped file 12->86 88 Machine Learning detection for dropped file 12->88 90 Injects a PE file into a foreign processes 12->90 26 RegSvcs.exe 4 12->26         started        28 schtasks.exe 1 12->28         started        30 conhost.exe 14->30         started        32 conhost.exe 16->32         started        34 conhost.exe 16->34         started        signatures5 process6 file7 52 C:\ProgramData\Remcos\remcos.exe, PE32 18->52 dropped 68 Contains functionality to bypass UAC (CMSTPLUA) 18->68 70 Contains functionalty to change the wallpaper 18->70 72 Contains functionality to steal Chrome passwords or cookies 18->72 76 3 other signatures 18->76 36 remcos.exe 2 18->36         started        38 WmiPrvSE.exe 22->38         started        40 conhost.exe 22->40         started        42 conhost.exe 24->42         started        54 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 26->54 dropped 74 Creates autostart registry keys with suspicious names 26->74 44 remcos.exe 26->44         started        46 conhost.exe 28->46         started        signatures8 process9 process10 48 conhost.exe 36->48         started        50 conhost.exe 44->50         started       
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2024-02-01 08:39:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:loaded persistence rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
fresh02.ddns.net:25505
Unpacked files
SH256 hash:
d2cf3273461ffa1b29715828f358368312ae4f08a731f4e449a44f6dc50e26c5
MD5 hash:
df7936d5ea0c80f3003b445c7f8deb44
SHA1 hash:
b995b22e77a11cda256e84a01ccadb85451460ed
SH256 hash:
a91462e9c8e5d78d4047a80eb89a38c6e76e5d4cf6ac8ff7142e19bb7ecfbb82
MD5 hash:
b3200a8295f2098fa0078754ab6728ce
SHA1 hash:
b84d3cbebfd2eb9822664ca47fe56e6ee95e0ddc
SH256 hash:
3483fd8009874a6d23ec4c158181612d2bbfae6dab645245ca2ac05b9dc64927
MD5 hash:
aefb9e9a9597093c0fb1759767c3a92d
SHA1 hash:
a99acb7e722a23a572a1bbd4400a017c7a13fa23
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
3014b859be7cafca84f61ab3398e0832d80175d76dc6ff4a45df7b2fef39dcaf
MD5 hash:
17cbde8bc5d57e164c1daa95d1b37d0b
SHA1 hash:
4856da540fd30d018fa511c9ce705871e1e2affa
SH256 hash:
4ee6bae37e740d1ca784f54f48199b9078db9f97eefa56a83af60b58a7c205e7
MD5 hash:
d6d0e9f35a7f59290df56f77300ce30e
SHA1 hash:
17432dbb7e557cdadc327537081ba242c3a7075b
SH256 hash:
ecad62ef8415885ac40c6e3889e323293599d9ed531fe62d77e1488c925650d5
MD5 hash:
3e0dfcd2f7010bd370306c016827d1d3
SHA1 hash:
328bc88367198631240b597a95f778d88dc8203e
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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.

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