MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c405e0fb6fa88a355b6addac57f8663af6a0e2256bc8d23da104567360ce6f9. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c405e0fb6fa88a355b6addac57f8663af6a0e2256bc8d23da104567360ce6f9
SHA3-384 hash: dde3ae5bf49737e1e8e7976b53d23aaf5cc1fa9c22b069ac23b8e897509c301d894f4e5efbbc5166facb2d3d1c756f77
SHA1 hash: 4bc76d9b5246ce029d36056edfe2638ab56b5acb
MD5 hash: f31153c3e571dd00a0162e3f6d76da81
humanhash: bravo-snake-pasta-sodium
File name:DOC_1213.EXE
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:494'945 bytes
First seen:2022-12-12 13:24:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ab6770b0a8635b9d92a5838920cfe770 (84 x Formbook, 30 x AgentTesla, 15 x Loki)
ssdeep 12288:VAzYuQtGef0WQA++OdBPz9Tzbte+17VVRWXRR:W8uhFa+5zL177RWXRR
Threatray 2'338 similar samples on MalwareBazaar
TLSH T1D6B42326F3D5F0B3F63B9D305EE74D25D2AEE3404269350B17E40FA9A023A4BD9B1652
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f4f679b179698cd4 (17 x RemcosRAT, 4 x SnakeKeylogger, 2 x NanoCore)
Reporter cocaman
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
DOC_1213.EXE
Verdict:
Malicious activity
Analysis date:
2022-12-12 13:24:31 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/1c01842d-8690-43f0-a099-98aa5df20c64

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/345447/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.28388.29304.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63972bb19a505ad9423f316d/reports/f7e22b07-0bef-48cc-ad69-eddf462986bc/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f2a405e5-6d00-4860-ac04-b1af8dc88797
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1132653
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
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 765377 Sample: DOC_1213.EXE.exe Startdate: 12/12/2022 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected Remcos RAT 2->45 47 5 other signatures 2->47 8 DOC_1213.EXE.exe 19 2->8         started        11 fnnwffsvkq.exe 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\Temp\zcwfr.exe, PE32 8->31 dropped 14 zcwfr.exe 1 2 8->14         started        51 Multi AV Scanner detection for dropped file 11->51 18 WerFault.exe 3 10 11->18         started        signatures5 process6 file7 33 C:\Users\user\AppData\...\fnnwffsvkq.exe, PE32 14->33 dropped 53 Multi AV Scanner detection for dropped file 14->53 55 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->55 57 Contains functionality to steal Chrome passwords or cookies 14->57 59 4 other signatures 14->59 20 zcwfr.exe 2 15 14->20         started        24 fnnwffsvkq.exe 14->24         started        26 zcwfr.exe 14->26         started        signatures8 process9 dnsIp10 35 xpremcuz300622.ddns.net 194.180.48.184, 3542, 49700 LVLT-10753US Germany 20->35 37 geoplugin.net 178.237.33.50, 49701, 80 ATOM86-ASATOM86NL Netherlands 20->37 49 Installs a global keyboard hook 20->49 28 WerFault.exe 10 24->28         started        signatures11 process12 dnsIp13 39 192.168.2.1 unknown unknown 28->39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6c405e0fb6fa88a355b6addac57f8663af6a0e2256bc8d23da104567360ce6f9/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-12-05 09:16:01 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nraf4d5w7kekgvnwvxnmk74gmoxwudrck26i2i62cbcwonqm434q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
058bce4a498b1f075cd7100d2bc46a205b7d808acde265293efca026125e1857
RemcosRAT
43ee9abd28c74e30fb9f976a611937d082ac0c1772f620e90087f038a406c89c
RemcosRAT
6c0f5a9bf9bfd84be91f3d84335b63ac95ac2b227fedc5de439971577328ac30
RemcosRAT
c03cfddda1ce6811ac0aa6cd6d9957e688a3fd37c02a16c15af285bff2c9b04f
RemcosRAT
c51b5ab4f58954b8e389c8fbd8b7774de8365a5222a6a34eeb2a13d152245b83
RemcosRAT
c5fe9955259f76f4b03bd65fd5e146803690d8057d7ef474c3b1b8eec0b1b928
RemcosRAT
f3f99338943e59e1301976550d8f5951e171564ff7b27a726ffedbaf6a96bde9
RemcosRAT
fd01d960ca2725e756f9e852045ab8a1d971c8b5881c0883d87f73a8278f79d4
RemcosRAT
+ 2'328 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:xp_no startup persistence rat
Link:
https://tria.ge/reports/221212-qnyg2aeb6s/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
xpremcuz300622.ddns.net:3542
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f55b3884-69dd-4beb-aadf-be2b27d32928
Unpacked files
SH256 hash:
65a1d113f7dc5ec1f3e35c6cd4df378cc412cf71d65deb6b3d0dc3f3b26ddd71
MD5 hash:
ab7e54fec4c511c9de20e31d8415b5cf
SHA1 hash:
a6d52521ffbfc9dad59a7c464c07c7abd983f586
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/62d6946d-a958-402b-ba90-10d0d6ccfb88/
Parent samples :
98c0c891e2c4aff954bd915bceb34153a4f732ef8b7743162c6faaa079161e84
4f3ac2facaae4e74a303e1c92b36c87372397fa19f93d3025cc6fa5c027a7b29
c03cfddda1ce6811ac0aa6cd6d9957e688a3fd37c02a16c15af285bff2c9b04f
c51b5ab4f58954b8e389c8fbd8b7774de8365a5222a6a34eeb2a13d152245b83
6c0f5a9bf9bfd84be91f3d84335b63ac95ac2b227fedc5de439971577328ac30
6c405e0fb6fa88a355b6addac57f8663af6a0e2256bc8d23da104567360ce6f9
fa965dc6edbb0e244cef4ecab1dabb2d04c9c174e42ac25c60f463237bcea16b
d3a2043efc6af7c4ab5141626759c855ae393005862d78c7e325ba585684c5b0
c7e2ce7b8a6da88127cbb0730c2b8b9869f7f0e6a4ba831e34d1aa18122ce5e2
SH256 hash:
26067c6b759a301e93dbe4ab1edf45acc0fd0177c53fc8ba906bfad3589eecb7
MD5 hash:
258d7af9da086046c3021ac1f50e3a5a
SHA1 hash:
0b1a9b2c1c6dd75a0a24a904aa4938c045886b59
Link:
https://www.unpac.me/results/62d6946d-a958-402b-ba90-10d0d6ccfb88/
SH256 hash:
6c405e0fb6fa88a355b6addac57f8663af6a0e2256bc8d23da104567360ce6f9
MD5 hash:
f31153c3e571dd00a0162e3f6d76da81
SHA1 hash:
4bc76d9b5246ce029d36056edfe2638ab56b5acb
Link:
https://www.unpac.me/results/62d6946d-a958-402b-ba90-10d0d6ccfb88/
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/6c405e0fb6fa88a355b6addac57f8663af6a0e2256bc8d23da104567360ce6f9

File information

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

Malspam

RemcosRAT

img 089d0b048927b5c84bdfdc1055166ed3559746b51eff496d0acb259224873d66

RemcosRAT

Executable exe 6c405e0fb6fa88a355b6addac57f8663af6a0e2256bc8d23da104567360ce6f9

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 089d0b048927b5c84bdfdc1055166ed3559746b51eff496d0acb259224873d66
Cape
Cape
https://www.capesandbox.com/analysis/345447/
  
Dropped by
MD5 b4dc31b626190a4e9f319684950e0837

Comments