MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7696274f6270b793b2dffc5b283a104be475d79b440500478780e24f6436fd5a. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7696274f6270b793b2dffc5b283a104be475d79b440500478780e24f6436fd5a
SHA3-384 hash: 7a0bc42d659ea6477f569da56e80b83f881862f38144335d46aa05bf836bb3d77062a1d7f4b5ddf8506e5cc3dbe083e5
SHA1 hash: b47548451a323c3ae62b25ee6b65f1fe76837639
MD5 hash: 1372b32848411ad39f19abe9d74b052f
humanhash: sad-march-tennessee-hotel
File name:FILE_2932NH_9923.exe
Download: download sample
Signature RevCodeRAT
Create hunting rule
File size:1'943'552 bytes
First seen:2021-07-21 15:02:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:rGC8DSdkJw0prtxjVn6UbQW3x+ZyaWhQqZo6Ox7mwQMKbCXqFMGjJJGahp:rXdP0prXdPQWQ/xiMKb6qFMGdz
TLSH T1AB95DF61F307EA94EC2213B8D87AD8F12263BD5DD525892F358E7E2DB9B338150E1907
Reporter cocaman
Tags:exe RevCodeRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FILE_2932NH_9923.exe
Verdict:
Malicious activity
Analysis date:
2021-07-21 15:31:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/028e8e40-0b3b-447a-b03e-9f422957bc04

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/173050/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0fb0e3e1-2144-4771-bd33-952840d27c49
Result
Threat name:
WebMonitor RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/819585
Signature
Adds a directory exclusion to Windows Defender
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
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Powershell Defender Exclusion
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: 451996 Sample: FILE_2932NH_9923.exe Startdate: 21/07/2021 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 6 other signatures 2->49 7 FILE_2932NH_9923.exe 7 2->7         started        process3 file4 29 C:\Users\user\AppData\Roaming\DqkJYq.exe, PE32 7->29 dropped 31 C:\Users\user\...\DqkJYq.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp3DFB.tmp, XML 7->33 dropped 35 C:\Users\user\...\FILE_2932NH_9923.exe.log, ASCII 7->35 dropped 51 Uses schtasks.exe or at.exe to add and modify task schedules 7->51 53 Writes to foreign memory regions 7->53 55 Adds a directory exclusion to Windows Defender 7->55 57 Injects a PE file into a foreign processes 7->57 11 RegSvcs.exe 7->11         started        15 powershell.exe 22 7->15         started        17 powershell.exe 25 7->17         started        19 2 other processes 7->19 signatures5 process6 dnsIp7 37 ntp.se 194.58.200.20, 123, 49993, 50464 NTP-SEAnycastedNTPservicesfromNetnodIXPsSE Sweden 11->37 39 niiarmah.wm01.to 45.153.186.90, 443, 49719, 49726 MVPShttpswwwmvpsnetEU Bulgaria 11->39 41 3 other IPs or domains 11->41 59 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->61 63 Creates autostart registry keys with suspicious names 11->63 65 6 other signatures 11->65 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        27 conhost.exe 19->27         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7696274f6270b793b2dffc5b283a104be475d79b440500478780e24f6436fd5a/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-07-21 03:56:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
42
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o2lcot3coc3zhmw77rnsqoqqjpshlv43iqcqar4hqdre6zbw7vna._file
Verdict:
malicious
Result
Malware family:
webmonitor
Create hunting rule
Score:
  10/10
Tags:
family:webmonitor backdoor infostealer persistence rat
Link:
https://tria.ge/reports/210721-2je3gknh7a/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
RevcodeRat, WebMonitorRat
WebMonitor Payload
Unpacked files
SH256 hash:
02e18587dff1cccb87e31ddd3a590bda374f1fc695905a004f462877096cd15f
MD5 hash:
c179904730e1f80904b03d1884b59645
SHA1 hash:
ce92b619594c13b085ff6f58e74c16039ee4b583
Link:
https://www.unpac.me/results/1bedc6c1-8d54-457a-a35b-ebd54f056153/
SH256 hash:
36c5b794d5c2329b46b2993ffe1ab4c2c8f993fc24d0083c9ceef1a59838d238
MD5 hash:
eda4f4f31f35003c4002268e9f324b66
SHA1 hash:
c6b0703b9f15f09653644e3668c17ddd7e255002
Link:
https://www.unpac.me/results/1bedc6c1-8d54-457a-a35b-ebd54f056153/
SH256 hash:
57f263dbd0203860a31c4b2231375e77e447f89277413582ee5de07a49942055
MD5 hash:
f7231dca052063cf269d31a7b255174e
SHA1 hash:
c1825853f5ec3d7928c581ce70696f77a99f6112
Detections:
win_webmonitor_w0
Create hunting rule
Link:
https://www.unpac.me/results/1bedc6c1-8d54-457a-a35b-ebd54f056153/
Parent samples :
ea49f722d6874e9b0b754f8116edceee6cdf4b85aa893d1b86053bfc506e5602
78be18a8bdab5baf14aa5c195ce9f5636750cd4fee2d3bbc3528f4ed8f9ad9ee
1167a7d5a6192107c841eee3d1292914e2ddbe6b661f2c2c41f1c1977ac97372
35975410919029f5c15ea420be97c10c327b94a2aa9e9b044e15660aede8c509
fe2f20398cff7bea0e10e10940e0936e2525ba8dba51263387f1b1d82d8b1aea
b426493d22cf9ad03bb8958bb2d994119dd6fb014c23855775dd7a9660bb51a9
4dec812952bd5e2e6ee08fec35c3d78887feaf0269cf4f624b965b5f8c481652
4a2d48d163b550561583e4e5811dc43cb67045e7a9816c30fb8fde4af8dd06d5
15003064a4b6d326954815712d6468af76d413335470092fbd820b02745d3e02
6095dd10965d4e081e87c366736e0305b7d42f84dbdb10471bcedacfe145f7a5
84d9088f856e12f998ce324510f185b9e6939c8d1cb2cdb46eb9b38baf879619
7696274f6270b793b2dffc5b283a104be475d79b440500478780e24f6436fd5a
0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253
d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
Link:
https://www.unpac.me/results/1bedc6c1-8d54-457a-a35b-ebd54f056153/
SH256 hash:
7696274f6270b793b2dffc5b283a104be475d79b440500478780e24f6436fd5a
MD5 hash:
1372b32848411ad39f19abe9d74b052f
SHA1 hash:
b47548451a323c3ae62b25ee6b65f1fe76837639
Link:
https://www.unpac.me/results/1bedc6c1-8d54-457a-a35b-ebd54f056153/
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/7696274f6270b793b2dffc5b283a104be475d79b440500478780e24f6436fd5a

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

RevCodeRAT

uue 9f5ced3aea0eb492bcff76b6ef9bf24f08dd17690e243c4c5afdb35b80ecc101

RevCodeRAT

Executable exe 7696274f6270b793b2dffc5b283a104be475d79b440500478780e24f6436fd5a

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 9f5ced3aea0eb492bcff76b6ef9bf24f08dd17690e243c4c5afdb35b80ecc101
Cape
Cape
https://www.capesandbox.com/analysis/173050/

Comments