MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d144ad20d75ca601f1189b61459dd9f330ca804db475823bd3e0bb3c0c89f4df. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d144ad20d75ca601f1189b61459dd9f330ca804db475823bd3e0bb3c0c89f4df
SHA3-384 hash: f6ca3cae599a2ddac0272b4af5d184dfd3ff4451825146ac73d099efd99fc5b1754c4114c8d0793c13ec8a3d05742853
SHA1 hash: 8ba24c07ca2c08fcd85025f6b7d2c259a43c7042
MD5 hash: 6ab1f0bd1d6f7888f51557fde94688d8
humanhash: don-triple-freddie-bravo
File name:6ab1f0bd1d6f7888f51557fde94688d8.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:899'584 bytes
First seen:2021-07-08 15:21:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:M071DIWZl5BBXlVciXuWLSEMsAFS21e6:fVIEjt3+EMPs6
Threatray 306 similar samples on MalwareBazaar
TLSH T139158C7D7A5436AFE777C0758A940C54F5AC60EB33368D878183229C650D842AFA63BE
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
izvozni cenovnik 2021 BIH 15.7.2021.doc
Verdict:
Malicious activity
Analysis date:
2021-07-08 07:01:45 UTC
Tags:
ole-embedded loader rat remcos keylogger
Link:
https://app.any.run/tasks/ea35b502-65c0-4782-8c60-d61f459ce15f

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/170492/
Detection(s):
SecuriteInfo.com.Trojan.YakbeexMSIL.ZZ4.253.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1060d31b-d1c2-4c65-8c8a-4e40c1d2ee94
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/813596
Signature
Allocates memory in foreign processes
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
Detected unpacking (creates a PE file in dynamic memory)
Found malware configuration
Injects a PE file into a foreign processes
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
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 446006 Sample: nvjCh1oFx5.exe Startdate: 08/07/2021 Architecture: WINDOWS Score: 100 59 fieldsdegreenf.duckdns.org 2->59 83 Multi AV Scanner detection for domain / URL 2->83 85 Found malware configuration 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 11 other signatures 2->89 14 nvjCh1oFx5.exe 3 2->14         started        18 remcos.exe 2 2->18         started        20 remcos.exe 2 2->20         started        signatures3 process4 file5 57 C:\Users\user\AppData\...\nvjCh1oFx5.exe.log, ASCII 14->57 dropped 99 Contains functionality to steal Chrome passwords or cookies 14->99 101 Contains functionality to inject code into remote processes 14->101 103 Contains functionality to steal Firefox passwords or cookies 14->103 105 Delayed program exit found 14->105 22 nvjCh1oFx5.exe 4 5 14->22         started        107 Injects a PE file into a foreign processes 18->107 25 remcos.exe 18->25         started        27 remcos.exe 20->27         started        signatures6 process7 file8 51 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 22->51 dropped 53 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 22->53 dropped 55 C:\Users\user\AppData\Local\...\install.vbs, data 22->55 dropped 29 wscript.exe 1 22->29         started        process9 process10 31 cmd.exe 1 29->31         started        process11 33 remcos.exe 3 31->33         started        36 conhost.exe 31->36         started        signatures12 75 Multi AV Scanner detection for dropped file 33->75 77 Detected unpacking (creates a PE file in dynamic memory) 33->77 79 Machine Learning detection for dropped file 33->79 81 Injects a PE file into a foreign processes 33->81 38 remcos.exe 4 3 33->38         started        process13 dnsIp14 61 sdegreenfieldsdeeenf.duckdns.org 195.133.40.19, 49806, 6553 SPD-NETTR Russian Federation 38->61 63 fieldsdegreenf.duckdns.org 203.159.80.101, 49766, 49808, 6553 LOVESERVERSGB Netherlands 38->63 65 aaeeerbbbeee.duckdns.org 38->65 91 Writes to foreign memory regions 38->91 93 Allocates memory in foreign processes 38->93 95 Installs a global keyboard hook 38->95 97 Injects a PE file into a foreign processes 38->97 42 svchost.exe 38->42         started        signatures15 process16 process17 44 iexplore.exe 42->44         started        process18 46 iexplore.exe 44->46         started        49 iexplore.exe 44->49         started        dnsIp19 67 github.com 140.82.121.3, 443, 49777, 49778 GITHUBUS United States 46->67 69 avatars.githubusercontent.com 185.199.108.133, 443, 49782, 49783 FASTLYUS Netherlands 46->69 71 js.monitor.azure.com 46->71 73 140.82.121.4, 443, 49794, 49795 GITHUBUS United States 49->73
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d144ad20d75ca601f1189b61459dd9f330ca804db475823bd3e0bb3c0c89f4df/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-08 05:37:53 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2fck2igxlstad4iytnqulhoz6mymvacnwr2yeo6t4c5tydej6tpq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
051bfc878cbfc9748f59edcb04b8d8cfdc75b566e403236385c51374b7afd393
RemcosRAT
10c58df72a83689d06a1562b349fa195f853465e14cdab38f7dc8ae77fe52d4b
RemcosRAT
219fc775299b765c2a1626b602f478d3642139dc243a46120281843bdb5bd5e9
RemcosRAT
22634cbaf1a60ca499a9b692aae881cffdaf205a4755ee34915e5512ea87cab4
RemcosRAT
4687822138634f2bc1f49fb34cb97e37a37c397c0f76d2acd88b70672e321405
RemcosRAT
653162513b0b91ca4232620e9233402d8da6b89a362c78475d2c20da78f9e72d
RemcosRAT
67ad9e8efba0a4c87098f6dfa675de65232d3458c98157642d7301b795771ece
RemcosRAT
6eed5350c18b26f6aadaf28e5ceb48ca742db7fbee28fbe9aa7f3c552651e048
RemcosRAT
79861a10fcfaf967d54382b93d84ed03e5d5202cd3dfdcb599a535520360017e
RemcosRAT
f198970271e10830bafa86eccc5ce43e5075a15ed43f4e1924d0e8e0824f218b
RemcosRAT
+ 296 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/210708-y69b6gnknj/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
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:
fieldsdegreenf.duckdns.org:6553
aaeeerbbbeee.duckdns.org:6553
sdegreenfieldsdeeenf.duckdns.org:6553
Unpacked files
SH256 hash:
ea2374c8bd34ec2b2c851ed8d3080da0dc7443fb013f771b8da2f134e95d7f4b
MD5 hash:
5a9a65ebf93ca99ce9ffa42f66170a93
SHA1 hash:
89057baf7d9321e027a0e07822de236e0a95f25c
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/e8d793ba-7179-4ae7-bb47-b214128428f0/
Parent samples :
eb55fdd4d15cf3d07905037073a275ba2697e8fdb2a9f60c0b16cf70969cd476
d144ad20d75ca601f1189b61459dd9f330ca804db475823bd3e0bb3c0c89f4df
1a5fef4a3bbce0a3e77343c3794484a88a4cbe42a466e09749aba58ea081bd8d
16b834e15f6d2c66cb5f2b8b5acbe63830408847d3731d60625b57c1c0e9ad5a
cbe42b277b9e2d8ad915917a6c9a6cca9858efb70c342462a0a6701b39dda1fc
95d7c99af4ea07ed847623e0cb78145ac3e462b8fc294a62258d84cae3fe8af1
SH256 hash:
4bc167bf1f0f9aaa670eff52b6a33836eba223ed1695f9138a0b75c18b83c7eb
MD5 hash:
76ef36b72bf2a6712a355b286c8fdff9
SHA1 hash:
83c458e87183b1c25d51074647f64f4d98ea0e32
Link:
https://www.unpac.me/results/e8d793ba-7179-4ae7-bb47-b214128428f0/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/e8d793ba-7179-4ae7-bb47-b214128428f0/
SH256 hash:
d144ad20d75ca601f1189b61459dd9f330ca804db475823bd3e0bb3c0c89f4df
MD5 hash:
6ab1f0bd1d6f7888f51557fde94688d8
SHA1 hash:
8ba24c07ca2c08fcd85025f6b7d2c259a43c7042
Link:
https://www.unpac.me/results/e8d793ba-7179-4ae7-bb47-b214128428f0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/d144ad20d75ca601f1189b61459dd9f330ca804db475823bd3e0bb3c0c89f4df

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: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 d144ad20d75ca601f1189b61459dd9f330ca804db475823bd3e0bb3c0c89f4df

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1431607/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/170492/

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