MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414. 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


RevCodeRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414
SHA3-384 hash: 8db49b61b6b4ffb36687fe97934ee961c3520891265e346a558cd59692a1f4eb71f559bca919ea7ba61898e938ee4b13
SHA1 hash: 2304b22499e60fa87ea5f9d3fee5f6d9ecacf9ee
MD5 hash: fac4b5a9c4f10517f44d4ae172f6473c
humanhash: lion-butter-pizza-wyoming
File name:Banking_cordinates_928273.exe
Download: download sample
Signature RevCodeRAT
Create hunting rule
File size:2'037'248 bytes
First seen:2021-08-09 19:39:39 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:qYOSCmr2OsBgo0q4wMEX1RTdVfm6ZWZmMv1XdyqTQV0QQXTMrBwtP9kvIuyR:qq/oHMEX1XVO6o91tn6IPtP9kvSR
Threatray 100 similar samples on MalwareBazaar
TLSH T15F95CE747BFD3A0AF4BB577E5074C1B24574B466EA12C32D792272CA0B32399C25872B
Reporter GovCERT_CH
Tags:exe RevCodeRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fac4b5a9c4f10517f44d4ae172f6473c
Verdict:
Malicious activity
Analysis date:
2021-07-28 13:22:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e01ce1b7-469d-4cfc-ba8f-c4e12443385a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/177755/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.953-1.UNOFFICIAL
Create hunting rule

Win.Packed.Pwsx-9883720-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1655a45-8fe5-4a03-b86f-80006f8d5d40
Result
Threat name:
WebMonitor RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/829626
Signature
Contain functionality to detect virtual machines
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Creates autostart registry keys with suspicious names
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Suspicious Process Start Without DLL
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected WebMonitor RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 462052 Sample: Banking_cordinates_928273.exe Startdate: 09/08/2021 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 3 other signatures 2->37 7 Banking_cordinates_928273.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\WLmzCRrQBmjpU.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmp9306.tmp, XML 7->21 dropped 23 C:\...\Banking_cordinates_928273.exe.log, ASCII 7->23 dropped 39 Uses schtasks.exe or at.exe to add and modify task schedules 7->39 41 Writes to foreign memory regions 7->41 43 Injects a PE file into a foreign processes 7->43 11 RegSvcs.exe 2 13 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 ntp.se 194.58.200.20, 123, 52124, 55436 NTP-SEAnycastedNTPservicesfromNetnodIXPsSE Sweden 11->25 27 niiarmah.wm01.to 45.153.186.90, 443, 49737, 49739 MVPShttpswwwmvpsnetEU Bulgaria 11->27 29 4 other IPs or domains 11->29 45 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->47 49 Creates autostart registry keys with suspicious names 11->49 51 6 other signatures 11->51 17 conhost.exe 15->17         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2021-07-28 05:30:26 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2zmtau55ubdm3fxa4xsqryhvoyrmizdtra4lqsme4npgqpkgyqka._file
Verdict:
malicious
Similar samples:
0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253
RevCodeRAT
1167a7d5a6192107c841eee3d1292914e2ddbe6b661f2c2c41f1c1977ac97372
RevCodeRAT
15003064a4b6d326954815712d6468af76d413335470092fbd820b02745d3e02
RevCodeRAT
4a2d48d163b550561583e4e5811dc43cb67045e7a9816c30fb8fde4af8dd06d5
RevCodeRAT
6095dd10965d4e081e87c366736e0305b7d42f84dbdb10471bcedacfe145f7a5
RevCodeRAT
7696274f6270b793b2dffc5b283a104be475d79b440500478780e24f6436fd5a
RevCodeRAT
84d9088f856e12f998ce324510f185b9e6939c8d1cb2cdb46eb9b38baf879619
RevCodeRAT
968cf1954069babdf367259271ba34fc1e149a18255c45fc8138d0da2b3dd413
RevCodeRAT
b4fbe906439597a3d05b94f3a7001069687e598cabc9a82e47d6c43046be10a5
RevCodeRAT
+ 90 additional samples on MalwareBazaar
Result
Malware family:
webmonitor
Create hunting rule
Score:
  10/10
Tags:
family:webmonitor backdoor infostealer rat suricata
Link:
https://tria.ge/reports/210809-g194thleze/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
CustAttr .NET packer
RevcodeRat, WebMonitorRat
WebMonitor Payload
suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
Unpacked files
SH256 hash:
b4b1b69ae2dd02cb35c6d46b676474740086810cbfd20db822426e4ef104a99a
MD5 hash:
cfd810e23012225091e38a71f1019519
SHA1 hash:
f037e574be217c503736a5a1acd371cb810624c8
Link:
https://www.unpac.me/results/02f97bdd-ce3a-43aa-aad9-8b91acf1c3db/
SH256 hash:
57f263dbd0203860a31c4b2231375e77e447f89277413582ee5de07a49942055
MD5 hash:
f7231dca052063cf269d31a7b255174e
SHA1 hash:
c1825853f5ec3d7928c581ce70696f77a99f6112
Detections:
win_webmonitor_w0
Create hunting rule
Link:
https://www.unpac.me/results/02f97bdd-ce3a-43aa-aad9-8b91acf1c3db/
Parent samples :
ea49f722d6874e9b0b754f8116edceee6cdf4b85aa893d1b86053bfc506e5602
78be18a8bdab5baf14aa5c195ce9f5636750cd4fee2d3bbc3528f4ed8f9ad9ee
1167a7d5a6192107c841eee3d1292914e2ddbe6b661f2c2c41f1c1977ac97372
35975410919029f5c15ea420be97c10c327b94a2aa9e9b044e15660aede8c509
fe2f20398cff7bea0e10e10940e0936e2525ba8dba51263387f1b1d82d8b1aea
b426493d22cf9ad03bb8958bb2d994119dd6fb014c23855775dd7a9660bb51a9
4dec812952bd5e2e6ee08fec35c3d78887feaf0269cf4f624b965b5f8c481652
4a2d48d163b550561583e4e5811dc43cb67045e7a9816c30fb8fde4af8dd06d5
15003064a4b6d326954815712d6468af76d413335470092fbd820b02745d3e02
6095dd10965d4e081e87c366736e0305b7d42f84dbdb10471bcedacfe145f7a5
84d9088f856e12f998ce324510f185b9e6939c8d1cb2cdb46eb9b38baf879619
7696274f6270b793b2dffc5b283a104be475d79b440500478780e24f6436fd5a
0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253
d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414
SH256 hash:
25caaba83f9f6c71c64c8373a102e559a057b7da6d301787ea98243c03451717
MD5 hash:
b2b9f4fc3618242e50ccf68cad5ece4c
SHA1 hash:
551fb9c1e11d5cb817e0635dfea44bf5a8482a2e
Link:
https://www.unpac.me/results/02f97bdd-ce3a-43aa-aad9-8b91acf1c3db/
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
Link:
https://www.unpac.me/results/02f97bdd-ce3a-43aa-aad9-8b91acf1c3db/
SH256 hash:
d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414
MD5 hash:
fac4b5a9c4f10517f44d4ae172f6473c
SHA1 hash:
2304b22499e60fa87ea5f9d3fee5f6d9ecacf9ee
Link:
https://www.unpac.me/results/02f97bdd-ce3a-43aa-aad9-8b91acf1c3db/
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/d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414

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:MALWARE_Win_RevCodeRAT
Create hunting rule
Author:ditekSHen
Description:Detects RevCode/WebMonitor RAT
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
Rule name:win_webmonitor_w0
Create hunting rule
Author:James_inthe_box
Description:Revcode RAT
Reference:ee1b9659f2193896ce3469b5f90b82af3caffcba428e8524be5a9fdf391d8dd8

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RevCodeRAT

Executable exe d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414

(this sample)

  
Dropped by
RevCodeRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/177755/

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