MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc97eccfa44feab9151a39e5dffd8daccf9ebb1a77164c9c09ad5e784d09e486. 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: 19


Intelligence 19 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc97eccfa44feab9151a39e5dffd8daccf9ebb1a77164c9c09ad5e784d09e486
SHA3-384 hash: 77c8c3abffac7cd62926f793b88c60ddaacab6f8ae7d212f3ed7b919631bbdb68573313d488f1e64546e215415467a32
SHA1 hash: f90974d1b7c0c9b46d1c3dbf22eccc64b85c89eb
MD5 hash: e20590320804fe7edc4f00805f31befd
humanhash: saturn-spaghetti-failed-one
File name:cc97eccfa44feab9151a39e5dffd8daccf9ebb1a77164c9c09ad5e784d09e486
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:543'129 bytes
First seen:2023-07-06 13:17:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 12288:0YgBbkY+5kNbvk7xEMSgT54ztBGFmLue1EQZ/:0YgB+5Kbka4CzfGKt
Threatray 2'192 similar samples on MalwareBazaar
TLSH T130C40107B72C434DE39A4672393907318B68DF5315A4AD1ABBD0FD6C263654C7D0ABE2
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 e2ee8a8eb6d8ecf4 (56 x AgentTesla, 39 x RemcosRAT, 38 x GuLoader)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
cc97eccfa44feab9151a39e5dffd8daccf9ebb1a77164c9c09ad5e784d09e486
Verdict:
Malicious activity
Analysis date:
2023-07-06 13:17:38 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/a1bb959c-058f-47a3-a0e3-314a9e71354d

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/409480/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.22774.20859.5468.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Restart of the analyzed sample
Сreating synchronization primitives
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/96012/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed remcos shell32
Link:
https://www.filescan.io/uploads/64a6bf0b631db84968f202ae/reports/9a7ba84a-e15c-49ef-ac37-73dd85b12bd5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/cc97eccfa44feab9151a39e5dffd8daccf9ebb1a77164c9c09ad5e784d09e486
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/9d5ef8d3-5cb5-41c0-a0f6-c8bf258435fe
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1268409
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for dropped file
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
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1268409 Sample: z8l1HggDqV.exe Startdate: 06/07/2023 Architecture: WINDOWS Score: 100 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Multi AV Scanner detection for dropped file 2->73 75 6 other signatures 2->75 8 z8l1HggDqV.exe 1 21 2->8         started        12 rbwgplueajf.exe 19 2->12         started        14 chromes.exe 19 2->14         started        16 3 other processes 2->16 process3 file4 45 C:\Users\user\AppData\...\rbwgplueajf.exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\dddtndp.dll, PE32 8->47 dropped 81 Contains functionality to bypass UAC (CMSTPLUA) 8->81 83 Detected unpacking (changes PE section rights) 8->83 85 Detected unpacking (overwrites its own PE header) 8->85 93 6 other signatures 8->93 18 z8l1HggDqV.exe 2 4 8->18         started        49 C:\Users\user\AppData\Local\...\dddtndp.dll, PE32 12->49 dropped 87 Multi AV Scanner detection for dropped file 12->87 89 Machine Learning detection for dropped file 12->89 91 Maps a DLL or memory area into another process 12->91 22 rbwgplueajf.exe 12->22         started        51 C:\Users\user\AppData\Local\...\dddtndp.dll, PE32 14->51 dropped 24 chromes.exe 14->24         started        53 C:\Users\user\AppData\Local\...\dddtndp.dll, PE32 16->53 dropped 55 C:\Users\user\AppData\Local\...\dddtndp.dll, PE32 16->55 dropped 57 C:\Users\user\AppData\Local\...\dddtndp.dll, PE32 16->57 dropped 26 chromes.exe 16->26         started        28 chromes.exe 16->28         started        30 chromes.exe 16->30         started        signatures5 process6 file7 41 C:\ProgramData\chromes\chromes.exe, PE32 18->41 dropped 43 C:\...\chromes.exe:Zone.Identifier, ASCII 18->43 dropped 77 Creates autostart registry keys with suspicious names 18->77 79 Creates multiple autostart registry keys 18->79 32 chromes.exe 19 18->32         started        signatures8 process9 file10 39 C:\Users\user\AppData\Local\...\dddtndp.dll, PE32 32->39 dropped 61 Multi AV Scanner detection for dropped file 32->61 63 Detected unpacking (changes PE section rights) 32->63 65 Detected unpacking (overwrites its own PE header) 32->65 67 3 other signatures 32->67 36 chromes.exe 3 1 32->36         started        signatures11 process12 dnsIp13 59 5.253.114.108, 2022, 49696, 49697 CLOUVIDERClouvider-GlobalASNGB United Kingdom 36->59
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cc97eccfa44feab9151a39e5dffd8daccf9ebb1a77164c9c09ad5e784d09e486/
Threat name:
Win32.Trojan.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2023-06-28 00:54:02 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zsl6zt5ej7vlsfi2hhs577mnvthz5oy2o4lezhajvvphqtij4sda._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1a925bac006fd8d7a5d58d0229eabe2e30634626731add96939b0ab542c446a5
RemcosRAT
3da90b636e39cd1f67e3542c60d813c6ff8152f7f740b3ef4ef086ef120836df
RemcosRAT
4b66b1c337c83ccb79e4862a7a32421fd75a565a59fee1f830d4aae55b64af9a
RemcosRAT
76005c1982c2d4df1995d8ba0e2163ac84b5009823466b9e043a5a017e15c9cd
RemcosRAT
882a895b320ba323dccd33d6d82e02b4506b7386a91c63c0c505345796352d67
RemcosRAT
979b67124f30f347688897010f34abf0467a67516ba011c9601cf06a14be0432
RemcosRAT
b41e4528449d3fa1730eca98df0dc9fd9e3683ccfaedf1d72ee2af2899f18db8
RemcosRAT
c5b83cba12fc69072661e0c8d473ed6d4263580764f0ac0476e4306df3f71e64
RemcosRAT
+ 2'182 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:log persistence rat
Link:
https://tria.ge/reports/230706-qjx1pscf41/
Behaviour
Suspicious behavior: MapViewOfSection
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:
5.253.114.108:2022
Unpacked files
SH256 hash:
31da03532f41cf2e308041fcf884a35458850415a70f23d7226b18b7d7a97b2d
MD5 hash:
3f9c753ba99085a51f86859294be5b2f
SHA1 hash:
d4a45679eab4e8c2990f22a4a22d851fe6c2b81a
Detections:
Remcos
Create hunting rule
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/c1012c62-0c3d-410a-a498-4ae5ab6e1f45/
Parent samples :
ea7e6b5688313cb532684ecc61a1438a40bbd32a0eb1ee7b1810086cb705aa09
082c753b9065e2c0db0904195b91ae7b59b23d56252bf941c70cf9b0a5fcb6ea
cc97eccfa44feab9151a39e5dffd8daccf9ebb1a77164c9c09ad5e784d09e486
SH256 hash:
1b97aed80c1baaa497b636c58eb5ea77e248df4803117642706d920487635a05
MD5 hash:
c7c6640bde2dd19fab44081c281d4dbc
SHA1 hash:
901f87cc20966aee2cba8da0e155a90678efbb84
Link:
https://www.unpac.me/results/c1012c62-0c3d-410a-a498-4ae5ab6e1f45/
SH256 hash:
31da03532f41cf2e308041fcf884a35458850415a70f23d7226b18b7d7a97b2d
MD5 hash:
3f9c753ba99085a51f86859294be5b2f
SHA1 hash:
d4a45679eab4e8c2990f22a4a22d851fe6c2b81a
Detections:
Remcos
Create hunting rule
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/c1012c62-0c3d-410a-a498-4ae5ab6e1f45/
Parent samples :
ea7e6b5688313cb532684ecc61a1438a40bbd32a0eb1ee7b1810086cb705aa09
082c753b9065e2c0db0904195b91ae7b59b23d56252bf941c70cf9b0a5fcb6ea
cc97eccfa44feab9151a39e5dffd8daccf9ebb1a77164c9c09ad5e784d09e486
SH256 hash:
1b97aed80c1baaa497b636c58eb5ea77e248df4803117642706d920487635a05
MD5 hash:
c7c6640bde2dd19fab44081c281d4dbc
SHA1 hash:
901f87cc20966aee2cba8da0e155a90678efbb84
Link:
https://www.unpac.me/results/c1012c62-0c3d-410a-a498-4ae5ab6e1f45/
SH256 hash:
cc97eccfa44feab9151a39e5dffd8daccf9ebb1a77164c9c09ad5e784d09e486
MD5 hash:
e20590320804fe7edc4f00805f31befd
SHA1 hash:
f90974d1b7c0c9b46d1c3dbf22eccc64b85c89eb
Link:
https://www.unpac.me/results/c1012c62-0c3d-410a-a498-4ae5ab6e1f45/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cc97eccfa44f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/cc97eccfa44feab9151a39e5dffd8daccf9ebb1a77164c9c09ad5e784d09e486

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/409480/

Comments