MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfc738c4ea93673eeb10b4331a9826a38bae4b8254d1c1c5a1a7128bb073d1fc. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dfc738c4ea93673eeb10b4331a9826a38bae4b8254d1c1c5a1a7128bb073d1fc
SHA3-384 hash: dd60fbe622594cca92742c8ac396a3f81c5eb071152698a815fac1f4d95afa0553ed50e5e27e9ee89bd994cb88e9fb5c
SHA1 hash: 6ad24e89b4f5c7c3989c44d00a081ee7b03a9e73
MD5 hash: 8fa444caa72aa4097f0eca056bff8f48
humanhash: shade-lithium-july-kilo
File name:Enquiry A20R-3486.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'165'312 bytes
First seen:2022-03-08 12:25:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:rVNTOHhq71krgpcajBr1eNEkbZPi141y7:rVNEqxkrgqa9r1eu+ZP/
Threatray 991 similar samples on MalwareBazaar
TLSH T19045E12B35C64554C4BD4B34D2BC8AD423F1260B6A01D7BE79D613A8CF52A8F77232A7
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dfc738c4ea93673eeb10b4331a9826a38bae4b8254d1c1c5a1a7128bb073d1fc.zip
Verdict:
Malicious activity
Analysis date:
2022-03-08 12:32:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2118bf35-e178-4bd8-ab3e-dbef763aa0ed

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/248239/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1225.14598.16090.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a file in the %temp% directory
Launching a process
Creating a file
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Enabling autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/622799b10cd58dbd92688254/reports/969f6ecd-7e1e-41b6-aa6b-f5e7df35bd32/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/087aff3d-5c06-470d-be4e-a295630d036d
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/952520
Signature
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Detected Remcos RAT
Found malware configuration
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: 584996 Sample: Enquiry A20R-3486.exe Startdate: 08/03/2022 Architecture: WINDOWS Score: 100 42 kamilaczap.myddns.me 2->42 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 5 other signatures 2->60 8 Enquiry A20R-3486.exe 4 2->8         started        signatures3 process4 file5 34 C:\Users\user\...nquiry A20R-3486.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\siHoast.exe, PE32 12->38 dropped 40 C:\Users\user\...\siHoast.exe:Zone.Identifier, ASCII 12->40 dropped 64 Uses ping.exe to sleep 12->64 18 siHoast.exe 12->18         started        21 PING.EXE 1 12->21         started        24 conhost.exe 12->24         started        26 PING.EXE 1 12->26         started        66 Uses ping.exe to check the status of other devices and networks 16->66 28 reg.exe 1 1 16->28         started        30 PING.EXE 1 16->30         started        32 conhost.exe 16->32         started        signatures9 process10 dnsIp11 48 Multi AV Scanner detection for dropped file 18->48 50 Machine Learning detection for dropped file 18->50 44 192.168.2.1 unknown unknown 21->44 52 Creates an undocumented autostart registry key 28->52 46 127.0.0.1 unknown unknown 30->46 signatures12
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dfc738c4ea93673eeb10b4331a9826a38bae4b8254d1c1c5a1a7128bb073d1fc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-07 16:18:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
220
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=37dtrrhksntt52yqwqzrvgbguof24s4ckti4drnbu4jixmdt2h6a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3f8e7640849ec23964af23d6e70ccc62510a3cec9bd775b30d18d5db7215a22b
RemcosRAT
5a288a8a3fd0158f2d9e11713cc4eaf951e12e4f196fcea95d74a14fc37d16d1
RemcosRAT
61aafd1dd6f5fab9518ba14457879afa2356206230c155b906a6bb5d4a035627
RemcosRAT
64e7a4dbad57f1c217a17ad6214d29230ac8ba813d001fdaa35f17fd83f62cf3
RemcosRAT
68c0f9e10a5529d1a3d7031f4364a7e04746db13515041c94ceecf9a706fc671
RemcosRAT
9cdf013e0104cfcfdfcb0112fddecd154aadcdd1be93d483e5f7bc3da538603f
RemcosRAT
9f3e8d8d088ecf0b56a9550796d1df4168ba8354c26b8a2692703ff691e47b1e
RemcosRAT
bd54feaedda33ef8e611cd540e84b8c44d989f2417ddca33472cea3b7892afaf
RemcosRAT
c15017d56ac6e02cf607d7188d5b4bb5485d9463031ba4effcb29ca84eb83dea
RemcosRAT
fa6d0f34d7c69bc4e525cf1830beffa3aec08c9b69aae24f55a6232d89680421
RemcosRAT
+ 981 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220308-plm3vaegf3/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Modifies WinLogon for persistence
Remcos
Malware Config
C2 Extraction:
kamilaczap.myddns.me:8382
Unpacked files
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
Link:
https://www.unpac.me/results/15cf661c-ed22-4cab-bca5-3b9846f31563/
SH256 hash:
c9f8ba3b659bffdf0ac6e56dd6daad3509d188bc8aa0d3e34f4f47dc1feb907e
MD5 hash:
94048ec0795a12522449f934336f3bb1
SHA1 hash:
0bf39efdff7445a7d8a173957763d852500c8ff8
Link:
https://www.unpac.me/results/15cf661c-ed22-4cab-bca5-3b9846f31563/
SH256 hash:
79c08a16bcf907a2d2edc878f609ab2024c0cb751b4311ef1a35e7851c387820
MD5 hash:
d34214a99938329dda463c7bcd8aec10
SHA1 hash:
8bdc67fc7017d29039377c12035ecc068c299adc
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/15cf661c-ed22-4cab-bca5-3b9846f31563/
Parent samples :
9cdf013e0104cfcfdfcb0112fddecd154aadcdd1be93d483e5f7bc3da538603f
dfc738c4ea93673eeb10b4331a9826a38bae4b8254d1c1c5a1a7128bb073d1fc
18e00d21907a737eec59f97a9729076836b34a26adb9a66f0e5b80a0cd2d7176
3eda013dd1e1d67954f12f703672f40fe6a9f2be940947dc9091ccca1f82d124
7dfc276ce6e60087e740d1cc6a604962228f8551ad36a2d929cd1645307fb438
918412f1a9685389e243154925460d152bad5d6187fa23a1f3131170a6aac943
dba69ac53609fa23cfbcfdd0eca6429d887a131873c06b2caca27d1319969262
SH256 hash:
fc4b5f53362334630b1f94201178275ecfb79ef4f4610c2211d146d791b29c27
MD5 hash:
4ec66a90617192d4ec943da97c64c622
SHA1 hash:
6c8de23a2b4b5cfdd04f5b8a02d6e9c74ae1f39a
Link:
https://www.unpac.me/results/15cf661c-ed22-4cab-bca5-3b9846f31563/
SH256 hash:
2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad
MD5 hash:
0e362e7005823d0bec3719b902ed6d62
SHA1 hash:
590d860b909804349e0cdc2f1662b37bd62f7463
Link:
https://www.unpac.me/results/15cf661c-ed22-4cab-bca5-3b9846f31563/
SH256 hash:
a4ad262051ed2de2d106d703645a4a5a67d039881e6367e842f32f4a19d74f86
MD5 hash:
05fcbc9d79fd6f5e3147e636f9b413c2
SHA1 hash:
58cfe2bf03ec5d28a3dae3344ae3ea8c17a64593
Link:
https://www.unpac.me/results/15cf661c-ed22-4cab-bca5-3b9846f31563/
SH256 hash:
dfc738c4ea93673eeb10b4331a9826a38bae4b8254d1c1c5a1a7128bb073d1fc
MD5 hash:
8fa444caa72aa4097f0eca056bff8f48
SHA1 hash:
6ad24e89b4f5c7c3989c44d00a081ee7b03a9e73
Link:
https://www.unpac.me/results/15cf661c-ed22-4cab-bca5-3b9846f31563/
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/dfc738c4ea93673eeb10b4331a9826a38bae4b8254d1c1c5a1a7128bb073d1fc

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 dfc738c4ea93673eeb10b4331a9826a38bae4b8254d1c1c5a1a7128bb073d1fc

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/248239/

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