MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16b336fb7a05c893f87e958181e474d78fdd8d5e42b321622b3f1b25e5394c43. 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 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 16b336fb7a05c893f87e958181e474d78fdd8d5e42b321622b3f1b25e5394c43
SHA3-384 hash: a21217c4f00d319ee6afea888e64859c3d32bbf59d31c5b24ec3472ae69e081dee1772ec571f8d65885d1711955c74c2
SHA1 hash: a319a91ee8cb571571901331ec310a4bc2fdbab4
MD5 hash: 657c6145c9193370cc2d2c0e0a2460ce
humanhash: four-glucose-diet-wolfram
File name:AFG.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:659'968 bytes
First seen:2021-10-15 13:29:03 UTC
Last seen:2021-10-15 14:07:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:DSBV9/RhCtBKkBfWfQwyFR/ED1LwzAIdXBHVMCzMdSeZr37d:2BVVRhCt3WoDFR/EpwxHbog2r37d
Threatray 762 similar samples on MalwareBazaar
TLSH T151E41220B3F96315D9B64B7515BF22D267B4B37F3A00D6AEB841214C9E23B534B11BA3
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
358
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AFG.exe
Verdict:
Malicious activity
Analysis date:
2021-10-15 13:31:23 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/7c6e61b3-63f6-40b9-904a-16cd09837b3b

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/197776/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.23405.22304.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed remcos
Link:
https://www.filescan.io/uploads/61698227a9d585e6d52991df/reports/d35cc5d2-a94a-414f-9168-72a4cda4cd1c/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/40806684-d2b7-4428-b627-e7a9606d2b62
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/871163
Signature
.NET source code contains potential unpacker
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
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 503591 Sample: AFG.exe Startdate: 15/10/2021 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 9 other signatures 2->57 10 AFG.exe 3 2->10         started        14 win32.exe 2 2->14         started        16 win32.exe 2 2->16         started        process3 file4 45 C:\Users\user\AppData\Local\...\AFG.exe.log, ASCII 10->45 dropped 61 Contains functionality to steal Chrome passwords or cookies 10->61 63 Contains functionality to inject code into remote processes 10->63 65 Contains functionality to steal Firefox passwords or cookies 10->65 67 Delayed program exit found 10->67 18 AFG.exe 4 4 10->18         started        69 Injects a PE file into a foreign processes 14->69 21 win32.exe 14->21         started        23 win32.exe 16->23         started        signatures5 process6 file7 39 C:\Users\user\AppData\Roaming\win32.exe, PE32 18->39 dropped 41 C:\Users\user\...\win32.exe:Zone.Identifier, ASCII 18->41 dropped 43 C:\Users\user\AppData\Local\...\install.vbs, data 18->43 dropped 25 wscript.exe 1 18->25         started        process8 process9 27 cmd.exe 1 25->27         started        process10 29 win32.exe 3 27->29         started        33 conhost.exe 27->33         started        file11 47 C:\Users\user\AppData\Local\...\win32.exe.log, ASCII 29->47 dropped 71 Multi AV Scanner detection for dropped file 29->71 73 Contains functionality to steal Chrome passwords or cookies 29->73 75 Contains functionality to steal Firefox passwords or cookies 29->75 77 2 other signatures 29->77 35 win32.exe 2 1 29->35         started        signatures12 process13 dnsIp14 49 jamaru1444.myftp.biz 212.193.30.133, 2019, 49758 SPD-NETTR Russian Federation 35->49 59 Installs a global keyboard hook 35->59 signatures15
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/16b336fb7a05c893f87e958181e474d78fdd8d5e42b321622b3f1b25e5394c43/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-15 03:57:15 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c2ztn632axejh6d6swaydzdu26h53dk6ikzscyrlh4nslzjzjrbq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
026668d9855f0c4aac1cb86f163e6e28569a5a4d53d0bde93ac9880a90a8225c
RemcosRAT
23d4b811a2e3f349ac70d49dafc192bd830776257f0ea82fce704f9db6e617c2
RemcosRAT
32f6ec5b5b7c806a093ab23b59252930e7a629489857dfe3659de7eec4ab01ea
RemcosRAT
4860f15c7870ac1d09c5aad7e6754eb34afd4b0f6341fd452049257513951ffe
RemcosRAT
623bf7759de8303bc15901ee832dccb2febb294b84d3c5304022fb7be0b9c1f3
RemcosRAT
7eb677c1c5c60d34da90cab2b4ea019c500b5c3db6964cc14849dbe2f9f5fa30
RemcosRAT
91e8ea3e431c0ad9faf6dfe01eb29e4834940054379deb8b657d9cbe23e91682
RemcosRAT
a3faa214333ce59ed895410e011c4cbd44fe51b26ed5bf2a0ed54e225616f893
RemcosRAT
b67741cbd39464c7526c9cda83175c342aaba91fb990dd96d60083d028f00228
RemcosRAT
bd0baa9f0e69f70c827e05b8bae5a4b34f04b21be971c39e3831d584140d08d3
RemcosRAT
+ 752 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:grace_2021 persistence rat
Link:
https://tria.ge/reports/211015-qrav5sbfgq/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
jamaru1444.myftp.biz:2019
Unpacked files
SH256 hash:
f0a56de5178af8021a366b347bd4c9bbb636cc962247ba340566f746283935fa
MD5 hash:
88f67ff5027c53f5d376f9588e5decb2
SHA1 hash:
f81b3863a23881c71edc5fe141dd3896a5b06391
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/0cb0676f-5856-4e79-8626-0afa41860589/
Parent samples :
cf6ce67191cc8560c728cef61aa68026540656dc1eb22ce646fc67280bbb7316
16b336fb7a05c893f87e958181e474d78fdd8d5e42b321622b3f1b25e5394c43
c348a860fa571902a6226ba5b5153b5b5937e3181103ed895f4a78d0454451f8
803e708406a0ea106f897896aa58a9715b7d1a06cb93c61ba9ccb44745724b38
SH256 hash:
b90e2eb1bc85da5e4a8dbc71e94a07eebd0b593ec699e057055641be5402ab97
MD5 hash:
656cc9502de1f4c98bd5a31ae51e7e89
SHA1 hash:
12429061434bd6bd3fe4fb253c1fe54913d2403a
Link:
https://www.unpac.me/results/0cb0676f-5856-4e79-8626-0afa41860589/
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
Link:
https://www.unpac.me/results/0cb0676f-5856-4e79-8626-0afa41860589/
SH256 hash:
16b336fb7a05c893f87e958181e474d78fdd8d5e42b321622b3f1b25e5394c43
MD5 hash:
657c6145c9193370cc2d2c0e0a2460ce
SHA1 hash:
a319a91ee8cb571571901331ec310a4bc2fdbab4
Link:
https://www.unpac.me/results/0cb0676f-5856-4e79-8626-0afa41860589/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/16b336fb7a05/report/overview.html
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/16b336fb7a05c893f87e958181e474d78fdd8d5e42b321622b3f1b25e5394c43

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
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/197776/

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