MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a805af78c614b848a5eb091882ea4d5d84a248b7183c99bf32169dc2d1d3090c. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a805af78c614b848a5eb091882ea4d5d84a248b7183c99bf32169dc2d1d3090c
SHA3-384 hash: d11234d870f61df597080056d6cadccc8764820c95ecb61f029ec79eb1c0f92bcb527262eb8d1ad385ec1d74e5522f67
SHA1 hash: f9bb430509afbffd669460df4857a8da0f344638
MD5 hash: 68f51a9f655df12eae5fa80c7fe9c338
humanhash: hamper-coffee-tennessee-london
File name:68f51a9f655df12eae5fa80c7fe9c338
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'654'784 bytes
First seen:2022-06-22 07:56:40 UTC
Last seen:2022-06-22 16:41:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:bK2trHUL0pVPMosfn8LAIvTKtX/nnFK1K:PtkEPMoHLAIvTovnFZ
Threatray 1'777 similar samples on MalwareBazaar
TLSH T171759D487AD0A65FE487CFBECAE85C10D5A1ADE6178BF707755322ED690F212DE004E2
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/282235/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.39845547.15492.18474.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/62b2cb9762d792dc573c0aa5/reports/053de1cf-bc01-43f2-816b-ea41a126f3b4/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/3fa531f1-bc92-4993-826a-3ffb8bf0f147
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1017739
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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: 650237 Sample: o1P79V1SHb Startdate: 22/06/2022 Architecture: WINDOWS Score: 100 50 Multi AV Scanner detection for domain / URL 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 7 other signatures 2->56 10 o1P79V1SHb.exe 3 2->10         started        14 iys.exe 2 2->14         started        16 iys.exe 2 2->16         started        process3 file4 44 C:\Users\user\AppData\...\o1P79V1SHb.exe.log, ASCII 10->44 dropped 60 Contains functionality to steal Chrome passwords or cookies 10->60 62 Contains functionality to inject code into remote processes 10->62 64 Contains functionality to steal Firefox passwords or cookies 10->64 66 Delayed program exit found 10->66 18 o1P79V1SHb.exe 4 4 10->18         started        21 iys.exe 14->21         started        23 iys.exe 16->23         started        signatures5 process6 file7 38 C:\Users\user\AppData\Roaming\iys.exe, PE32 18->38 dropped 40 C:\Users\user\...\iys.exe:Zone.Identifier, ASCII 18->40 dropped 42 C:\Users\user\AppData\Local\...\install.vbs, data 18->42 dropped 25 wscript.exe 1 18->25         started        process8 process9 27 cmd.exe 1 25->27         started        process10 29 iys.exe 3 27->29         started        32 conhost.exe 27->32         started        signatures11 68 Multi AV Scanner detection for dropped file 29->68 70 Machine Learning detection for dropped file 29->70 34 iys.exe 2 14 29->34         started        process12 dnsIp13 46 kingsley2022.bounceme.net 62.197.136.86, 3091, 49757 SPRINTLINKUS Netherlands 34->46 48 geoplugin.net 178.237.33.50, 49758, 80 ATOM86-ASATOM86NL Netherlands 34->48 58 Installs a global keyboard hook 34->58 signatures14
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a805af78c614b848a5eb091882ea4d5d84a248b7183c99bf32169dc2d1d3090c/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-06-21 15:30:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vac266ggcs4erjplbemif2snlwckesfxda6jtpzsc2o4fuotbega._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
49bc50c3b1ff689c3cbcfcf1f7d42f29547f15f4ab990dafc27f5eb4b562d446
RemcosRAT
5f37b5f63e3badceb3ea40bb2a6cef92e466410bebbf6864d6d4b5100b6114eb
RemcosRAT
7d86068523fe035aec83fcb57be4edc0bdca3000fa6046fb66ef246b20e15601
RemcosRAT
b07f08cbf908eb0d5c93679c8dca8438e4f185a70d675ad79184533dc6b4b262
RemcosRAT
b69f04883131047159a3f3f13a7943ffdf43c742bc2a8994f7ef1f1a42c16eee
RemcosRAT
c208cb83639f1b0a5bac59a310c377fb31f7d7dae0084f557461b8d4312c81a6
RemcosRAT
+ 1'767 additional samples on MalwareBazaar
Gathering data
Unpacked files
SH256 hash:
f3bbdda1211e163666d701a61595831201f57f4e62d2684dfbf9edd8330962b5
MD5 hash:
0057874ff75696859178f6546231f07d
SHA1 hash:
fcf51b2bb8ac7fe98cfbf1efaad2c28f73d657a5
Link:
https://www.unpac.me/results/aea81f19-8c0e-4b3a-a9c7-86aba7966f5b/
SH256 hash:
4d7a1202e5360fcc3a77f8d9af28f80b26ae66346341a973dc8ac9096d8a8747
MD5 hash:
3f428362a2e853d401aea8fa0b452721
SHA1 hash:
4ced635ff3431693515c91eb57b3c32f1acdedca
Link:
https://www.unpac.me/results/aea81f19-8c0e-4b3a-a9c7-86aba7966f5b/
SH256 hash:
a44fcb616909dc664576c31ab08815c98bdff636eb3b31075ae19db968043c3a
MD5 hash:
e7ec0296db0a6f22f1b69a539a0bfd92
SHA1 hash:
4041381eb3978492ad734f39afcc98d2ba4589f3
Link:
https://www.unpac.me/results/aea81f19-8c0e-4b3a-a9c7-86aba7966f5b/
SH256 hash:
cc3f4f00f9468a138840ac6bba0db32186b031cb8462db3ff97ceb805cc7ba29
MD5 hash:
93292eb6afdfd51c74ab53d93389bd10
SHA1 hash:
0ca19e74b755d3b6e2a02d40f8050a50f4e6e2c8
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/aea81f19-8c0e-4b3a-a9c7-86aba7966f5b/
Parent samples :
8ca7b7fb5faccbfbb3527570937ccb3b12ab32f95edac422a9f0642f8bbb7802
a9d5b5757d7b35137909fe6ec8dd9ec4f3760a0ebdb521de430efff69c9b6eb9
a805af78c614b848a5eb091882ea4d5d84a248b7183c99bf32169dc2d1d3090c
43ee9abd28c74e30fb9f976a611937d082ac0c1772f620e90087f038a406c89c
SH256 hash:
a805af78c614b848a5eb091882ea4d5d84a248b7183c99bf32169dc2d1d3090c
MD5 hash:
68f51a9f655df12eae5fa80c7fe9c338
SHA1 hash:
f9bb430509afbffd669460df4857a8da0f344638
Link:
https://www.unpac.me/results/aea81f19-8c0e-4b3a-a9c7-86aba7966f5b/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a805af78c614/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/a805af78c614b848a5eb091882ea4d5d84a248b7183c99bf32169dc2d1d3090c

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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.

Web download

RemcosRAT

Executable exe a805af78c614b848a5eb091882ea4d5d84a248b7183c99bf32169dc2d1d3090c

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2247177/
Cape
Cape
https://www.capesandbox.com/analysis/282235/

Comments


Avatar
zbet commented on 2022-06-22 07:56:44 UTC

url : hxxp://193.233.191.81/MCP.exe