MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9807029dd75acb1884904779d4c7ae3af050a6d754fcbd71a015031a3e73e78. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: f9807029dd75acb1884904779d4c7ae3af050a6d754fcbd71a015031a3e73e78
SHA3-384 hash: 517a349965cff423d7be2f078dd47efe8cb4e80a7ae9df9ef839f7ec81d2d2362bcf27c36c229d0a966df5b4858fd1d8
SHA1 hash: a489e5edc8b0081d13d2cb6992fa9ce778a2cfbf
MD5 hash: 60f6ce93553f155790a14e29aba30570
humanhash: muppet-wyoming-venus-leopard
File name:f9807029dd75acb1884904779d4c7ae3af050a6d754fcbd71a015031a3e73e78
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:633'344 bytes
First seen:2021-08-31 10:23:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:sEFVzMFluD0heGmXSkm7RUrFAesrsL2jAKgTgABK8Ff:ZaO0hG27RmFFbLxwcf
Threatray 566 similar samples on MalwareBazaar
TLSH T12BD4780230C8D58EC3AE7931603253D23776E974F795A0FDED4EA4A58AB1ECC0D45A9B
dhash icon d0e0c5ccccca4490 (1 x RemcosRAT)
Reporter JAMESWT_WT
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f9807029dd75acb1884904779d4c7ae3af050a6d754fcbd71a015031a3e73e78
Verdict:
Malicious activity
Analysis date:
2021-08-31 10:38:07 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/e37164c8-8aa3-4747-8129-5dbc5d1c3fc0

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/184151/
Detection(s):
SecuriteInfo.com.Variant.Bulz.541197.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Creating a file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Replacing files
Launching a process
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/87e1b7a1-6453-42ae-b2c9-3fe94a49e91d
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842525
Signature
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates an undocumented autostart registry key
Delayed program exit found
Detected Remcos RAT
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 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)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 474958 Sample: Hh7Uj88JSe Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 88 Malicious sample detected (through community Yara rule) 2->88 90 Multi AV Scanner detection for dropped file 2->90 92 Multi AV Scanner detection for submitted file 2->92 94 7 other signatures 2->94 14 Hh7Uj88JSe.exe 1 7 2->14         started        18 remcos.exe 2->18         started        20 remcos.exe 4 2->20         started        process3 file4 74 C:\Users\user\AppData\...\Hh7Uj88JSe.exe, PE32 14->74 dropped 76 C:\Users\...\Hh7Uj88JSe.exe:Zone.Identifier, ASCII 14->76 dropped 78 C:\Users\user\AppData\...\Hh7Uj88JSe.exe.log, ASCII 14->78 dropped 116 Creates an undocumented autostart registry key 14->116 118 Writes to foreign memory regions 14->118 120 Injects a PE file into a foreign processes 14->120 22 Hh7Uj88JSe.exe 4 5 14->22         started        26 remcos.exe 18->26         started        28 remcos.exe 20->28         started        signatures5 process6 file7 70 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 22->70 dropped 72 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 22->72 dropped 96 Multi AV Scanner detection for dropped file 22->96 98 Machine Learning detection for dropped file 22->98 100 Contains functionality to steal Chrome passwords or cookies 22->100 102 3 other signatures 22->102 30 wscript.exe 1 22->30         started        32 wscript.exe 26->32         started        34 wscript.exe 28->34         started        signatures8 process9 process10 36 cmd.exe 1 30->36         started        38 cmd.exe 32->38         started        40 cmd.exe 34->40         started        process11 42 remcos.exe 6 36->42         started        45 conhost.exe 36->45         started        47 remcos.exe 38->47         started        50 conhost.exe 38->50         started        52 remcos.exe 40->52         started        54 conhost.exe 40->54         started        file12 108 Multi AV Scanner detection for dropped file 42->108 110 Machine Learning detection for dropped file 42->110 112 Writes to foreign memory regions 42->112 56 remcos.exe 42->56         started        80 C:\Users\user\AppData\RoamingXCEL.exe, PE32 47->80 dropped 82 C:\Users\user\AppData\Local\Temp\remcos.exe, PE32 47->82 dropped 84 C:\Users\user\...XCEL.exe:Zone.Identifier, ASCII 47->84 dropped 86 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 47->86 dropped 114 Injects a PE file into a foreign processes 47->114 signatures13 process14 signatures15 104 Multi AV Scanner detection for dropped file 56->104 106 Machine Learning detection for dropped file 56->106 59 wscript.exe 56->59         started        process16 process17 61 cmd.exe 59->61         started        process18 63 remcos.exe 61->63         started        66 conhost.exe 61->66         started        signatures19 122 Writes to foreign memory regions 63->122 124 Injects a PE file into a foreign processes 63->124 68 remcos.exe 63->68         started        process20
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f9807029dd75acb1884904779d4c7ae3af050a6d754fcbd71a015031a3e73e78/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2021-07-01 18:44:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
00d52b668be725580bf1233a8bc805f62831f96ca8f7cf50807cd3481727981a
RemcosRAT
219fc775299b765c2a1626b602f478d3642139dc243a46120281843bdb5bd5e9
RemcosRAT
34ae6e94fd8ce101fadff4baf68d7c0b8bf606d1796b7c8199e7d45a9bc57a02
RemcosRAT
5fa4dc80cabd644491180f4af2bbe0001bf4082fe84b45e1452200318b912aee
RemcosRAT
741ffe5460a43194d3a8cf76729abd8f6a5fb7d991e219037215920195a38c5e
RemcosRAT
8c3a6d5b05325958afeb7885e7d4bbe59f7f5a849b5acdf0a8f7cbb8febc4a81
RemcosRAT
8ddbf9769d71a2b946894307864aa35aee8afb86a469a6c032b7eaa1225bc720
RemcosRAT
a0bb5a244b144a8e10087fd70a04580c3bb8c4c8add7da671a06f10020473004
RemcosRAT
f0896ba259cc40a67474db857cbca2cd43099f5b49be45c3e3a3a34a06765b7f
RemcosRAT
f4dcc52b899bbe0d34ffbb44032c0186953c174beaf647c0556c7e71385c6bb4
RemcosRAT
+ 556 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:chrome persistence rat
Link:
https://tria.ge/reports/210831-elrsxpbeh6/
Behaviour
Modifies registry class
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
Loads dropped DLL
Executes dropped EXE
Modifies WinLogon for persistence
Remcos
Malware Config
C2 Extraction:
fieldsdegreenf.duckdns.org:6553
aaeeerbbbeee.duckdns.org:6553
sdegreenfieldsdeeenf.duckdns.org:6553
Unpacked files
SH256 hash:
f2afec6ce3172b841d6df17c89d1a891bd3b2cba9df40ccfd82b30fad24d0e86
MD5 hash:
9d24d3032050b6bdbdb0a8d73fa7e284
SHA1 hash:
e9c76b10baff8fe5954dca1fdf4ff3917f43cd9d
Link:
https://www.unpac.me/results/dff43075-615f-4c0c-bc01-5f09c60f151a/
SH256 hash:
64fd550196cfbf8f9854eb62b65e0f5ee3cc6319bd4f01f846e807239a1e250b
MD5 hash:
ce4ac3931a40013266cda2a02d011c61
SHA1 hash:
c1d78d27f8d6fcfb680d6fed61373da11b935d41
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/dff43075-615f-4c0c-bc01-5f09c60f151a/
Parent samples :
8fabd89f985aae235b63098a58da4c32773e2aa81aae19f1e27467fd8924fc33
64d9ad7fa453939964d045971555233437f87c747989ff1d41f28b60258a4b97
f9807029dd75acb1884904779d4c7ae3af050a6d754fcbd71a015031a3e73e78
SH256 hash:
7198b86cc4fcd1dbf3184a2651c8491e141a89fd955f13d0df4a43b4044e9df3
MD5 hash:
0b8450673438ecbdfd4d469a86d70aca
SHA1 hash:
9840937cc1121bca82aa2357da65873a22bbc56a
Link:
https://www.unpac.me/results/dff43075-615f-4c0c-bc01-5f09c60f151a/
SH256 hash:
f9807029dd75acb1884904779d4c7ae3af050a6d754fcbd71a015031a3e73e78
MD5 hash:
60f6ce93553f155790a14e29aba30570
SHA1 hash:
a489e5edc8b0081d13d2cb6992fa9ce778a2cfbf
Link:
https://www.unpac.me/results/dff43075-615f-4c0c-bc01-5f09c60f151a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f9807029dd75/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/f9807029dd75acb1884904779d4c7ae3af050a6d754fcbd71a015031a3e73e78

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.

Cape
Cape
https://www.capesandbox.com/analysis/184151/

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