MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7dfc276ce6e60087e740d1cc6a604962228f8551ad36a2d929cd1645307fb438. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments

SHA256 hash: 7dfc276ce6e60087e740d1cc6a604962228f8551ad36a2d929cd1645307fb438
SHA3-384 hash: 578605582d3436e74ee248a49355e2ed2781d48ddb0ced58dd224f2c1b52ed33fed8c68b9e8738fbf3f3ac8e668713f5
SHA1 hash: 6f6274304f76159c6334e153b6f8bbc493bdbd77
MD5 hash: d303d54a4977fe645b70e22ed085662d
humanhash: fourteen-nine-network-lactose
File name:PO8373223 explained diagrams.exe
Download: download sample
Signature RemcosRAT
File size:1'334'272 bytes
First seen:2022-03-16 13:36:55 UTC
Last seen:2022-04-20 10:23:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:OseWSQ8Nc7rHc+6Ux1VaPrpGtxhGTLsndjv:Oy867jc+7x3aPrmvGTod
Threatray 1'112 similar samples on MalwareBazaar
TLSH T13555DF1FBBC91F54C17E2635E27522A003F8B5DB2521C76F2DD501ECAF2265A2B427A3
Reporter GovCERT_CH
Tags:AgentTesla exe RemcosRAT

Intelligence


File Origin
# of uploads :
4
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ab.exe
Verdict:
Malicious activity
Analysis date:
2022-03-16 11:17:29 UTC
Tags:
rat remcos

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

Behaviour
Searching for the window
Creating a window
Running batch commands
Creating a file in the %temp% directory
Launching a process
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Detected Remcos RAT
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 590476 Sample: PO8373223 explained diagrams.exe Startdate: 16/03/2022 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 5 other signatures 2->52 8 PO8373223 explained diagrams.exe 4 2->8         started        process3 file4 36 C:\...\PO8373223 explained diagrams.exe.log, ASCII 8->36 dropped 38 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 8->38 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->62 12 cmd.exe 3 8->12         started        16 cmd.exe 1 8->16         started        signatures5 process6 file7 40 C:\Users\user\AppData\Roaming\mccrei.exe, PE32 12->40 dropped 42 C:\Users\user\...\mccrei.exe:Zone.Identifier, ASCII 12->42 dropped 64 Uses ping.exe to sleep 12->64 18 mccrei.exe 2 12->18         started        21 conhost.exe 12->21         started        23 PING.EXE 1 12->23         started        25 PING.EXE 1 12->25         started        66 Uses ping.exe to check the status of other devices and networks 16->66 27 reg.exe 1 1 16->27         started        29 PING.EXE 1 16->29         started        32 conhost.exe 16->32         started        signatures8 process9 dnsIp10 54 Multi AV Scanner detection for dropped file 18->54 56 Machine Learning detection for dropped file 18->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->58 34 AddInProcess32.exe 18->34         started        60 Creates an undocumented autostart registry key 27->60 44 127.0.0.1 unknown unknown 29->44 signatures11 process12
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2022-03-16 10:34:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
151
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
SH256 hash:
fc4b5f53362334630b1f94201178275ecfb79ef4f4610c2211d146d791b29c27
MD5 hash:
4ec66a90617192d4ec943da97c64c622
SHA1 hash:
6c8de23a2b4b5cfdd04f5b8a02d6e9c74ae1f39a
SH256 hash:
2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad
MD5 hash:
0e362e7005823d0bec3719b902ed6d62
SHA1 hash:
590d860b909804349e0cdc2f1662b37bd62f7463
SH256 hash:
a4ad262051ed2de2d106d703645a4a5a67d039881e6367e842f32f4a19d74f86
MD5 hash:
05fcbc9d79fd6f5e3147e636f9b413c2
SHA1 hash:
58cfe2bf03ec5d28a3dae3344ae3ea8c17a64593
SH256 hash:
7dfc276ce6e60087e740d1cc6a604962228f8551ad36a2d929cd1645307fb438
MD5 hash:
d303d54a4977fe645b70e22ed085662d
SHA1 hash:
6f6274304f76159c6334e153b6f8bbc493bdbd77
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:ach_RemcosRAT
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
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.

Malspam

RemcosRAT

Executable exe 7dfc276ce6e60087e740d1cc6a604962228f8551ad36a2d929cd1645307fb438

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments