MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 918412f1a9685389e243154925460d152bad5d6187fa23a1f3131170a6aac943. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 918412f1a9685389e243154925460d152bad5d6187fa23a1f3131170a6aac943
SHA3-384 hash: f9b6ba824f824aac4c56a3f40d14846c87f80be0fb27b101a73b281fd7d35b7d98805dbe66b7aa695ca4fc7d8afe9b26
SHA1 hash: c16b3a2414de9331ef793da883712d49e48ddfde
MD5 hash: d6f05d1a5cd232bf8cd3c4720e053ff0
humanhash: victor-massachusetts-finch-april
File name:Purchase order GR8734.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'084'928 bytes
First seen:2022-03-21 09:39:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:+9mK1yGnTZrh01Y1VaPrpGtxhGTLseID:+NyGnTZiO3aPrmvGToN
Threatray 6'353 similar samples on MalwareBazaar
TLSH T12635F12B78C340A8C59509B0A7BC5AF863B4675B2849E7EE214613B8DF0562F77035FB
Reporter GovCERT_CH
Tags:AgentTesla exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/253479/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Running batch commands
Creating a file in the %temp% directory
Launching a process
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/623847fddfdfa8501cc60f1e/reports/00f90d46-5521-4b9e-9e14-0190bababb98/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:
OutSteel
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a2e99097-710a-4087-aa9e-7f80fb20f1e2
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960578
Signature
Creates an undocumented autostart registry key
Detected Remcos RAT
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 593059 Sample: Purchase order GR8734.exe Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 42 kamilaczap.myddns.me 2->42 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Detected Remcos RAT 2->58 60 3 other signatures 2->60 8 Purchase order GR8734.exe 4 2->8         started        signatures3 process4 file5 34 C:\Users\...\Purchase order GR8734.exe.log, ASCII 8->34 dropped 36 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 8->36 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->62 12 cmd.exe 3 8->12         started        16 cmd.exe 1 8->16         started        signatures6 process7 file8 38 C:\Users\user\AppData\Roaming\cmsscs.exe, PE32 12->38 dropped 40 C:\Users\user\...\cmsscs.exe:Zone.Identifier, ASCII 12->40 dropped 64 Uses ping.exe to sleep 12->64 18 cmsscs.exe 2 12->18         started        21 conhost.exe 12->21         started        23 PING.EXE 1 12->23         started        25 PING.EXE 1 12->25         started        66 Uses ping.exe to check the status of other devices and networks 16->66 27 reg.exe 1 1 16->27         started        29 PING.EXE 1 16->29         started        32 conhost.exe 16->32         started        signatures9 process10 dnsIp11 46 Multi AV Scanner detection for dropped file 18->46 48 Machine Learning detection for dropped file 18->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->50 52 Creates an undocumented autostart registry key 27->52 44 127.0.0.1 unknown unknown 29->44 signatures12
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/918412f1a9685389e243154925460d152bad5d6187fa23a1f3131170a6aac943/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-03-21 06:29:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
146
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sgcbf4njnbjytysdcveskrqncuv22xlbq75chiptcmixbjvkzfbq._file
Verdict:
unknown
Similar samples:
1c26112880679a9c6c7e310dedd154aa6e8afadf0117a8c1ff4bc53b2fd2ceda
RemcosRAT
33df778f6686dfd687c956b9074f9428e7b72f9b58db7dc5d9a18891b4f24b85
RemcosRAT
5091b0812652b76aa775615c4887c2f01934763ebd857bb0cbd40f3debc36770
RemcosRAT
5355964b992fd62a5c54529728df346511538375612d5474383e09271017ed7c
RemcosRAT
9cdf013e0104cfcfdfcb0112fddecd154aadcdd1be93d483e5f7bc3da538603f
RemcosRAT
a96ddfe26cc41ec92563b0b721a0036e9405ac08f617d5289a921ad054b4ae5c
RemcosRAT
d401cecef9371db314f39d5c4bf3457340d7be6f0aac6c61b3cd25310a9dfadf
RemcosRAT
eef48448e3e27b5c0b7eb68420134789b7d092fc3a75b5402d95efcc7d58e02d
RemcosRAT
fde5d332e9d202eecc38f4af1b9db05226b6fa0716064434f4e53c098697d1bb
RemcosRAT
+ 6'343 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:remcos botnet:remotehost collection evasion keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220321-lm8jdsbaa9/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Launches sc.exe
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
Executes dropped EXE
Stops running service(s)
AgentTesla Payload
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
AgentTesla
Modifies WinLogon for persistence
Remcos
Malware Config
C2 Extraction:
kamilaczap.myddns.me:8382
https://api.telegram.org/bot1841252439:AAFeBNk12wAgfxXFXtqpw50JT4iCgTc-FsM/sendDocument
Unpacked files
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
Link:
https://www.unpac.me/results/1b26f278-4d25-4fca-957d-b825c49b4076/
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
Link:
https://www.unpac.me/results/1b26f278-4d25-4fca-957d-b825c49b4076/
SH256 hash:
79c08a16bcf907a2d2edc878f609ab2024c0cb751b4311ef1a35e7851c387820
MD5 hash:
d34214a99938329dda463c7bcd8aec10
SHA1 hash:
8bdc67fc7017d29039377c12035ecc068c299adc
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/1b26f278-4d25-4fca-957d-b825c49b4076/
Parent samples :
9cdf013e0104cfcfdfcb0112fddecd154aadcdd1be93d483e5f7bc3da538603f
dfc738c4ea93673eeb10b4331a9826a38bae4b8254d1c1c5a1a7128bb073d1fc
18e00d21907a737eec59f97a9729076836b34a26adb9a66f0e5b80a0cd2d7176
3eda013dd1e1d67954f12f703672f40fe6a9f2be940947dc9091ccca1f82d124
7dfc276ce6e60087e740d1cc6a604962228f8551ad36a2d929cd1645307fb438
918412f1a9685389e243154925460d152bad5d6187fa23a1f3131170a6aac943
dba69ac53609fa23cfbcfdd0eca6429d887a131873c06b2caca27d1319969262
SH256 hash:
fc4b5f53362334630b1f94201178275ecfb79ef4f4610c2211d146d791b29c27
MD5 hash:
4ec66a90617192d4ec943da97c64c622
SHA1 hash:
6c8de23a2b4b5cfdd04f5b8a02d6e9c74ae1f39a
Link:
https://www.unpac.me/results/1b26f278-4d25-4fca-957d-b825c49b4076/
SH256 hash:
2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad
MD5 hash:
0e362e7005823d0bec3719b902ed6d62
SHA1 hash:
590d860b909804349e0cdc2f1662b37bd62f7463
Link:
https://www.unpac.me/results/1b26f278-4d25-4fca-957d-b825c49b4076/
SH256 hash:
a4ad262051ed2de2d106d703645a4a5a67d039881e6367e842f32f4a19d74f86
MD5 hash:
05fcbc9d79fd6f5e3147e636f9b413c2
SHA1 hash:
58cfe2bf03ec5d28a3dae3344ae3ea8c17a64593
Link:
https://www.unpac.me/results/1b26f278-4d25-4fca-957d-b825c49b4076/
SH256 hash:
918412f1a9685389e243154925460d152bad5d6187fa23a1f3131170a6aac943
MD5 hash:
d6f05d1a5cd232bf8cd3c4720e053ff0
SHA1 hash:
c16b3a2414de9331ef793da883712d49e48ddfde
Link:
https://www.unpac.me/results/1b26f278-4d25-4fca-957d-b825c49b4076/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/918412f1a968/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
KeyBase
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/918412f1a9685389e243154925460d152bad5d6187fa23a1f3131170a6aac943

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.

Malspam

RemcosRAT

Executable exe 918412f1a9685389e243154925460d152bad5d6187fa23a1f3131170a6aac943

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/253479/

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