MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5323dc8bea28e435e02e60851888f0bec221a2e89128443f985a3adc1ff12353. 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


Vjw0rm


Vendor detections: 15


Intelligence 15 IOCs 1 YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5323dc8bea28e435e02e60851888f0bec221a2e89128443f985a3adc1ff12353
SHA3-384 hash: 883a5b72316a894540f13de4e829f9c404d1b77c68bec736e22cb686813948e532bfadf906354b4391b4b6c1fb770f85
SHA1 hash: bcfd36722ac110657b8629359d0a85d91dfc4158
MD5 hash: 2385e8dfbfb88478214c112b5752da42
humanhash: don-william-johnny-robert
File name:e891b42605aed838a3c8e5be6e5bf491.com.exe
Download: download sample
Signature Vjw0rm
Create hunting rule
File size:1'311'319 bytes
First seen:2022-10-14 12:30:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:0AOcZ2i7SEOWDLUpG8hCyJV0TB4PQdTr+Mo5pemHI0YuyqC8guTl:iiH8hCoit4Cxo5EmHWqC8n
Threatray 3'957 similar samples on MalwareBazaar
TLSH T197551213B6C184B3D4722E325939F6216C7D79720F34DB2EA7D45E6E9B70490A224BA3
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0d8ec9898f0d8aa (9 x Formbook, 6 x NanoCore, 3 x Vjw0rm)
Reporter abuse_ch
Tags:exe vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
149.56.226.65:5985

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
149.56.226.65:5985 https://threatfox.abuse.ch/ioc/888371/

Intelligence

File Origin
# of uploads :
1
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/320359/
Detection(s):
SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching cmd.exe command interpreter
Setting a keyboard event handler
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
DNS request
Sending an HTTP GET request
Launching a process
Using the Windows Management Instrumentation requests
Changing a file
Sending an HTTP POST request
Blocking the User Account Control
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/43127/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/6349568a339362a6061a4fc0/reports/4bed9934-2694-4fdc-bb10-ff183b90acaa/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bfd330cb-33a9-4491-b2b5-847c71084b1e
Result
Threat name:
Remcos, VjW0rm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1090706
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious values (likely registry only malware)
Disables UAC (registry)
Drops script or batch files to the startup folder
Installs a global keyboard hook
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
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: VjW0rm
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses known network protocols on non-standard ports
Yara detected AntiVM autoit script
Yara detected Remcos RAT
Yara detected VjW0rm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 723316 Sample: e891b42605aed838a3c8e5be6e5... Startdate: 14/10/2022 Architecture: WINDOWS Score: 100 87 Snort IDS alert for network traffic 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Antivirus detection for dropped file 2->91 93 9 other signatures 2->93 12 e891b42605aed838a3c8e5be6e5bf491.com.exe 3 43 2->12         started        process3 file4 63 C:\Users\user\AppData\Local\...\axkjridon.exe, PE32 12->63 dropped 65 C:\Users\user\AppData\...\Dropperremvom.exe, PE32 12->65 dropped 15 Dropperremvom.exe 3 12->15         started        19 wscript.exe 1 12->19         started        process5 file6 67 C:\...\68.144.191remcos_nostartdisabler.exe, PE32 15->67 dropped 69 C:\Users\user\AppData\Local\Temp\rfil.js, ASCII 15->69 dropped 77 Antivirus detection for dropped file 15->77 79 Multi AV Scanner detection for dropped file 15->79 81 Machine Learning detection for dropped file 15->81 21 68.144.191remcos_nostartdisabler.exe 2 515 15->21         started        26 wscript.exe 13 15->26         started        83 Drops script or batch files to the startup folder 19->83 85 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 19->85 28 axkjridon.exe 2 6 19->28         started        signatures7 process8 dnsIp9 71 198.23.207.34, 2404, 49699 AS-COLOCROSSINGUS United States 21->71 73 geoplugin.net 178.237.33.50, 49701, 80 ATOM86-ASATOM86NL Netherlands 21->73 59 C:\ProgramData\remcos\logs.dat, data 21->59 dropped 95 Antivirus detection for dropped file 21->95 97 Machine Learning detection for dropped file 21->97 99 Installs a global keyboard hook 21->99 30 cmd.exe 1 21->30         started        75 129.204.138.203, 49700, 7974 CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa China 26->75 61 C:\Users\user\AppData\Roaming\...\rfil.js, ASCII 26->61 dropped 101 System process connects to network (likely due to code injection or exploit) 26->101 103 Multi AV Scanner detection for dropped file 28->103 105 Creates autostart registry keys with suspicious values (likely registry only malware) 28->105 32 wscript.exe 28->32         started        34 mshta.exe 28->34         started        36 mshta.exe 28->36         started        38 5 other processes 28->38 file10 signatures11 process12 process13 40 reg.exe 30->40         started        43 conhost.exe 30->43         started        45 axkjridon.exe 32->45         started        signatures14 107 Disables UAC (registry) 40->107 47 wscript.exe 45->47         started        49 mshta.exe 45->49         started        51 mshta.exe 45->51         started        53 5 other processes 45->53 process15 process16 55 axkjridon.exe 47->55         started        process17 57 mshta.exe 55->57         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5323dc8bea28e435e02e60851888f0bec221a2e89128443f985a3adc1ff12353/
Threat name:
Win32.Dropper.FrauDrop
Create hunting rule
Status:
Malicious
First seen:
2022-10-14 12:31:44 UTC
File Type:
PE (Exe)
Extracted files:
125
AV detection:
23 of 26 (88.46%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kmr5zc7kfdsdlybomccrrchqx3bcdixiseueip4yli5nyh7renjq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2e37d7372a97df9e3955837eeae856489541aab815dffabc00bbc72af6483e9b
Vjw0rm
41344e5c95b80aaec71e1399c38731319a4151c0408f5709c2f973b430418a50
Vjw0rm
5cc4d6c30090fac70487754d80d491a446e56ae9e22162740f91157615ad00a9
Vjw0rm
67e6fd61e128d5649045a4fc55fc6c287722b5c92e65eef35ce0838d6210d901
Vjw0rm
b1f692dd52aae8317db7cfd262a4bcc053cf721fc7a00bf66f4acc7cb5cc6cbc
Vjw0rm
ccfcf5938187220213ac646ba77513343a2fd83e044c755ffa874009d16105d0
Vjw0rm
+ 3'947 additional samples on MalwareBazaar
Result
Malware family:
vjw0rm
Create hunting rule
Score:
  10/10
Tags:
family:redline family:remcos family:vjw0rm botnet:explorer wds botnet:grace evasion infostealer persistence rat trojan worm
Link:
https://tria.ge/reports/221014-pp216sddg4/
Behaviour
Modifies registry class
Modifies registry key
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
Checks computer location settings
Drops startup file
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
RedLine
RedLine payload
Remcos
UAC bypass
Vjw0rm
Malware Config
C2 Extraction:
198.23.207.34:2404
http://129.204.138.203:7974
149.56.226.65:5985
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4b09b274-92db-4f63-8fed-7344d6d7aacd
Unpacked files
SH256 hash:
e1c769fa9b5df66452e258e7110f925c7a9d3d2d399205826f6d8982037f62f7
MD5 hash:
be6c646410236827282358f80ee2e066
SHA1 hash:
e99e63e14c41c7d67787750018cc3b9610f4aaf2
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/dd9e56fe-8a8b-46ae-a39f-8b9f767741e4/
Parent samples :
5323dc8bea28e435e02e60851888f0bec221a2e89128443f985a3adc1ff12353
56a8aeac60e96feb740c5b5e1e5d08a33f340094fe2db71af960d4921158b325
SH256 hash:
ecf0a03854448f1cbf09dddc8d901666af36093612a0419933d712f3f1700667
MD5 hash:
9a51aeaec33c96b99e004daf3f079f52
SHA1 hash:
0c06bede2bfe630dafa0f3cbf93935f7842734aa
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/dd9e56fe-8a8b-46ae-a39f-8b9f767741e4/
Parent samples :
5323dc8bea28e435e02e60851888f0bec221a2e89128443f985a3adc1ff12353
56a8aeac60e96feb740c5b5e1e5d08a33f340094fe2db71af960d4921158b325
SH256 hash:
f8724eb58a9cece2539460a4f5937a625070a1d9e862a5b787908b23fe8ec69d
MD5 hash:
b4f850fbc449616a03e1a3d7a0fdbdf0
SHA1 hash:
884a3413f30d0b23aab7e468c197740069f5c520
Link:
https://www.unpac.me/results/dd9e56fe-8a8b-46ae-a39f-8b9f767741e4/
SH256 hash:
5323dc8bea28e435e02e60851888f0bec221a2e89128443f985a3adc1ff12353
MD5 hash:
2385e8dfbfb88478214c112b5752da42
SHA1 hash:
bcfd36722ac110657b8629359d0a85d91dfc4158
Link:
https://www.unpac.me/results/dd9e56fe-8a8b-46ae-a39f-8b9f767741e4/
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/5323dc8bea28e435e02e60851888f0bec221a2e89128443f985a3adc1ff12353

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:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:MALWARE_Win_RedLine
Create hunting rule
Author:ditekSHen
Description:Detects RedLine infostealer
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Redline32
Create hunting rule
Author:Muffin
Description:This rule detects Redline Stealer
Rule name:RedLine_a
Create hunting rule
Author:@bartblaze
Description:Identifies RedLine stealer.
Rule name:redline_new_bin
Create hunting rule
Author:James_inthe_box
Description:Redline stealer
Reference:https://app.any.run/tasks/4921d1fe-1a14-4bf2-9d27-c443353362a8
Rule name:redline_stealer
Create hunting rule
Author:jeFF0Falltrades
Description:This rule matches unpacked RedLine Stealer samples and derivatives (as of APR2021)
Rule name:sfx_pdb
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
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.

Cape
Cape
https://www.capesandbox.com/analysis/320359/

Comments