MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe2f20398cff7bea0e10e10940e0936e2525ba8dba51263387f1b1d82d8b1aea. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fe2f20398cff7bea0e10e10940e0936e2525ba8dba51263387f1b1d82d8b1aea
SHA3-384 hash: 42dc097865fcae7f188888b6b611128146dae8a5fa2b393b43d81b83bfde7a4ec0f68f7344aafb17ad95ecc4739fbe53
SHA1 hash: dd20302e8cee36149fc3671e3cf3eb28e705216c
MD5 hash: 78a70040da50e0e1f29bb1e6690fbf87
humanhash: colorado-papa-sixteen-floor
File name:STATEMENT OF ACCOUNT.exe
Download: download sample
Signature RevCodeRAT
Create hunting rule
File size:1'151'488 bytes
First seen:2020-10-23 06:46:33 UTC
Last seen:2020-10-23 12:48:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:xPdfeHfVkH4Uc+R6IA0a7oReBjnSrIQX87z1TTSrK8NNExM:tYGcpIA0a3BjSsi8/BToK8NNF
Threatray 39 similar samples on MalwareBazaar
TLSH 4E35BF2B72C91F78D5E6FD7018C734570003E6D33B52B138EA7329A5EA81DA6DDEA502
Reporter abuse_ch
Tags:exe RAT RevCodeRAT


Avatar
abuse_ch
Malspam distributing RevCodeRAT:

HELO: [131.153.18.91]
Sending IP: 131.153.18.91
From: akshj@aikah.com
Subject: RE: SOA
Attachment: STATEMENT OF ACCOUNT.LZH (contains "STATEMENT OF ACCOUNT.exe")

Intelligence

File Origin
# of uploads :
5
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.tc.20704.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a window
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun
Result
Threat name:
WebMonitor RAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/507801
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contain functionality to detect virtual machines
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected WebMonitor RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fe2f20398cff7bea0e10e10940e0936e2525ba8dba51263387f1b1d82d8b1aea/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-10-23 01:26:19 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7yxsaomm7556udqq4eeubyetnysslounxjismm4h6gy5qlmldlva._file
Verdict:
malicious
Similar samples:
0d2cf62b947967dcece71936fe76d44d03d97f11c6ec580c67f33761a99ef708
RevCodeRAT
1167a7d5a6192107c841eee3d1292914e2ddbe6b661f2c2c41f1c1977ac97372
RevCodeRAT
3528262d84ec15b8f88df39fe817d32a773274d53541ceee13c983c81b15fcf6
RevCodeRAT
35975410919029f5c15ea420be97c10c327b94a2aa9e9b044e15660aede8c509
RevCodeRAT
3c8d5a42b3b1e9ec4c489d8ec98ba60d6d107e62b2d1a2cc43570840374ff05f
RevCodeRAT
55416c27dc034735dba35002a4c206b05ab35bc197a56584d2ddba5dad588633
RevCodeRAT
78be18a8bdab5baf14aa5c195ce9f5636750cd4fee2d3bbc3528f4ed8f9ad9ee
RevCodeRAT
8246f2b18a1592cc2a37c001e2415412f5e63d14220324ae8356981e25a4ba76
RevCodeRAT
8c2e43ef586651d691717a853437fcd7c1296598fc2c6a40eb3ddaba91686c36
RevCodeRAT
ea49f722d6874e9b0b754f8116edceee6cdf4b85aa893d1b86053bfc506e5602
RevCodeRAT
+ 29 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201023-8kjf3twjm2/
Behaviour
Delays execution with timeout.exe
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
fe2f20398cff7bea0e10e10940e0936e2525ba8dba51263387f1b1d82d8b1aea
MD5 hash:
78a70040da50e0e1f29bb1e6690fbf87
SHA1 hash:
dd20302e8cee36149fc3671e3cf3eb28e705216c
Link:
https://www.unpac.me/results/5c1d75ac-f768-4915-ae1c-bc7d1d5fe390/
SH256 hash:
57f263dbd0203860a31c4b2231375e77e447f89277413582ee5de07a49942055
MD5 hash:
f7231dca052063cf269d31a7b255174e
SHA1 hash:
c1825853f5ec3d7928c581ce70696f77a99f6112
Detections:
win_webmonitor_w0
Create hunting rule
Link:
https://www.unpac.me/results/5c1d75ac-f768-4915-ae1c-bc7d1d5fe390/
Parent samples :
ea49f722d6874e9b0b754f8116edceee6cdf4b85aa893d1b86053bfc506e5602
78be18a8bdab5baf14aa5c195ce9f5636750cd4fee2d3bbc3528f4ed8f9ad9ee
1167a7d5a6192107c841eee3d1292914e2ddbe6b661f2c2c41f1c1977ac97372
35975410919029f5c15ea420be97c10c327b94a2aa9e9b044e15660aede8c509
fe2f20398cff7bea0e10e10940e0936e2525ba8dba51263387f1b1d82d8b1aea
b426493d22cf9ad03bb8958bb2d994119dd6fb014c23855775dd7a9660bb51a9
4dec812952bd5e2e6ee08fec35c3d78887feaf0269cf4f624b965b5f8c481652
4a2d48d163b550561583e4e5811dc43cb67045e7a9816c30fb8fde4af8dd06d5
15003064a4b6d326954815712d6468af76d413335470092fbd820b02745d3e02
6095dd10965d4e081e87c366736e0305b7d42f84dbdb10471bcedacfe145f7a5
84d9088f856e12f998ce324510f185b9e6939c8d1cb2cdb46eb9b38baf879619
7696274f6270b793b2dffc5b283a104be475d79b440500478780e24f6436fd5a
0ed8f93b98f9cfff89559df9e0a8d360cab3dde1abfa2992216b4a98c5ca1253
d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
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

rar 8a885123d4775b10997b2084320e3f71f1b72e1d232c6d60f4fc71cf205c118e

RevCodeRAT

Executable exe fe2f20398cff7bea0e10e10940e0936e2525ba8dba51263387f1b1d82d8b1aea

(this sample)

  
Dropped by
MD5 88ff0d2103694ccae52113c83da12c5e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8a885123d4775b10997b2084320e3f71f1b72e1d232c6d60f4fc71cf205c118e

Comments