MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84d9088f856e12f998ce324510f185b9e6939c8d1cb2cdb46eb9b38baf879619. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84d9088f856e12f998ce324510f185b9e6939c8d1cb2cdb46eb9b38baf879619
SHA3-384 hash: b68ee652b0a487530ba060651ff7d38dda824e87ae655b755d4422f6be2679c362450d464960ef399a7d1a60bb888ce9
SHA1 hash: 4be47bbd5110c38b3312ab232570051f6335b65b
MD5 hash: 2d29230b77724882289e74bb9e69b95d
humanhash: ten-yankee-princess-fix
File name:BANKING_DETAILS..exe
Download: download sample
Signature RevCodeRAT
Create hunting rule
File size:1'627'648 bytes
First seen:2021-07-14 06:58:10 UTC
Last seen:2021-07-14 08:05:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:iFjKF+JFzjUw4wuWN36I6IcDKSEtS8j3D4AmN0kUqmJlEUgAWtndDuW:kFzkwBwWS8fmN0kUqmJlk
Threatray 57 similar samples on MalwareBazaar
TLSH T1E675E02D23FEA718F233FF319FA4A6489FA676759229DD0D19C4024B4421C85EEA7D31
Reporter abuse_ch
Tags:exe RevCodeRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BANKING_DETAILS..exe
Verdict:
Malicious activity
Analysis date:
2021-07-14 06:59:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e50d1482-5616-46fc-88ee-25f034df586e

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/171573/
Detection(s):
SecuriteInfo.com.Artemis2D29230B7772.6076.18343.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/51c7dd50-7912-449a-950e-156d99d55a42
Result
Threat name:
WebMonitor RAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/816040
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Process Start Without DLL
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected WebMonitor RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 448451 Sample: BANKING_DETAILS..exe Startdate: 14/07/2021 Architecture: WINDOWS Score: 96 37 Yara detected WebMonitor RAT 2->37 39 Yara detected AntiVM3 2->39 41 Machine Learning detection for sample 2->41 43 5 other signatures 2->43 7 BANKING_DETAILS..exe 7 2->7         started        process3 file4 29 C:\Users\user\AppData\...\pfIFOKgKlLO.exe, PE32 7->29 dropped 31 C:\Users\...\pfIFOKgKlLO.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp3952.tmp, XML 7->33 dropped 35 C:\Users\user\...\BANKING_DETAILS..exe.log, ASCII 7->35 dropped 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 Writes to foreign memory regions 7->47 49 Adds a directory exclusion to Windows Defender 7->49 51 Injects a PE file into a foreign processes 7->51 11 powershell.exe 25 7->11         started        13 powershell.exe 25 7->13         started        15 powershell.exe 24 7->15         started        17 2 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started        27 WerFault.exe 17->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/84d9088f856e12f998ce324510f185b9e6939c8d1cb2cdb46eb9b38baf879619/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-07-14 06:59:06 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qtmqrd4fnyjptggogjcrb4mfxhtjhhendszm3ndoxgzyxl4hsymq._file
Verdict:
malicious
Similar samples:
1167a7d5a6192107c841eee3d1292914e2ddbe6b661f2c2c41f1c1977ac97372
RevCodeRAT
15003064a4b6d326954815712d6468af76d413335470092fbd820b02745d3e02
RevCodeRAT
4a2d48d163b550561583e4e5811dc43cb67045e7a9816c30fb8fde4af8dd06d5
RevCodeRAT
4dec812952bd5e2e6ee08fec35c3d78887feaf0269cf4f624b965b5f8c481652
RevCodeRAT
6095dd10965d4e081e87c366736e0305b7d42f84dbdb10471bcedacfe145f7a5
RevCodeRAT
968cf1954069babdf367259271ba34fc1e149a18255c45fc8138d0da2b3dd413
RevCodeRAT
b426493d22cf9ad03bb8958bb2d994119dd6fb014c23855775dd7a9660bb51a9
RevCodeRAT
b4fbe906439597a3d05b94f3a7001069687e598cabc9a82e47d6c43046be10a5
RevCodeRAT
ea49f722d6874e9b0b754f8116edceee6cdf4b85aa893d1b86053bfc506e5602
RevCodeRAT
+ 47 additional samples on MalwareBazaar
Result
Malware family:
webmonitor
Create hunting rule
Score:
  10/10
Tags:
family:webmonitor backdoor infostealer persistence rat
Link:
https://tria.ge/reports/210714-fl64kxdfx2/
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:
5f5257e30cfc2caab058013ffc60f90fb8a5d780a14834e1371054290b7658e4
MD5 hash:
b0e14c3526d6623ae9b7b5f5e0efde76
SHA1 hash:
f7d127bff2dfb1100ebd55fdd12dfb7a2b382fdc
Link:
https://www.unpac.me/results/b7fad62c-121d-429f-93ea-e11ab04fb581/
SH256 hash:
57f263dbd0203860a31c4b2231375e77e447f89277413582ee5de07a49942055
MD5 hash:
f7231dca052063cf269d31a7b255174e
SHA1 hash:
c1825853f5ec3d7928c581ce70696f77a99f6112
Detections:
win_webmonitor_w0
Create hunting rule
Link:
https://www.unpac.me/results/b7fad62c-121d-429f-93ea-e11ab04fb581/
Parent samples :
ea49f722d6874e9b0b754f8116edceee6cdf4b85aa893d1b86053bfc506e5602
78be18a8bdab5baf14aa5c195ce9f5636750cd4fee2d3bbc3528f4ed8f9ad9ee
1167a7d5a6192107c841eee3d1292914e2ddbe6b661f2c2c41f1c1977ac97372
35975410919029f5c15ea420be97c10c327b94a2aa9e9b044e15660aede8c509
fe2f20398cff7bea0e10e10940e0936e2525ba8dba51263387f1b1d82d8b1aea
b426493d22cf9ad03bb8958bb2d994119dd6fb014c23855775dd7a9660bb51a9
4dec812952bd5e2e6ee08fec35c3d78887feaf0269cf4f624b965b5f8c481652
4a2d48d163b550561583e4e5811dc43cb67045e7a9816c30fb8fde4af8dd06d5
15003064a4b6d326954815712d6468af76d413335470092fbd820b02745d3e02
6095dd10965d4e081e87c366736e0305b7d42f84dbdb10471bcedacfe145f7a5
84d9088f856e12f998ce324510f185b9e6939c8d1cb2cdb46eb9b38baf879619
7696274f6270b793b2dffc5b283a104be475d79b440500478780e24f6436fd5a
0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253
d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414
SH256 hash:
b768d1a9aa0dc4674d3ca144e5b61881704d5730a31d96ec7d12f30d77140e27
MD5 hash:
866f71e4d6f91d78aa7730e7e24119f1
SHA1 hash:
77f4a3fd12bd8a470e384358a96c76872566bfda
Link:
https://www.unpac.me/results/b7fad62c-121d-429f-93ea-e11ab04fb581/
SH256 hash:
f8c3bf95f042fdf33dc5bc6743152c3b83a025e334e15ab7edaa96e1fb0c5e11
MD5 hash:
37b482b8586ef98fd917ca90b4c3e6fb
SHA1 hash:
553dfa0e78502797e6933685801cd6caccc6c2f3
Link:
https://www.unpac.me/results/b7fad62c-121d-429f-93ea-e11ab04fb581/
SH256 hash:
84d9088f856e12f998ce324510f185b9e6939c8d1cb2cdb46eb9b38baf879619
MD5 hash:
2d29230b77724882289e74bb9e69b95d
SHA1 hash:
4be47bbd5110c38b3312ab232570051f6335b65b
Link:
https://www.unpac.me/results/b7fad62c-121d-429f-93ea-e11ab04fb581/
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/84d9088f856e12f998ce324510f185b9e6939c8d1cb2cdb46eb9b38baf879619

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

Executable exe 84d9088f856e12f998ce324510f185b9e6939c8d1cb2cdb46eb9b38baf879619

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/171573/

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