MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a5a953b328eddffbd69d55bc2d6626c353bcef9a9a9f4efec49cdaa7ac601ac. 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


ArkeiStealer


Vendor detections: 7


Intelligence 7 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a5a953b328eddffbd69d55bc2d6626c353bcef9a9a9f4efec49cdaa7ac601ac
SHA3-384 hash: eb653e8924bf933fcea954c0ca35658666b3d7e43987d7d025c8155d41dfb6431b48bb7a1bf6fa58c6f17023ecf0e4c3
SHA1 hash: 129c41766d3e8f0134c98223ea54cea6e91f9436
MD5 hash: 3146709a424c7546aa78d89159618da8
humanhash: bacon-equal-carpet-stairway
File name:3146709a424c7546aa78d89159618da8
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:1'372'672 bytes
First seen:2021-09-24 20:41:19 UTC
Last seen:2021-09-24 22:01:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 240ad64b1428ff5f353dd3a63c168d80 (1 x ArkeiStealer)
ssdeep 24576:vtbjtrDHCMuhiGazgrPNpuNUVL2r7cFhI8PRNdmaMdk0vT3ek:VjZTCiGacPNpKg9mDL
Threatray 113 similar samples on MalwareBazaar
TLSH T167555A66AA97EC03D06973B1E2D78FDA1C164DD871640C6B7BB7BE282DB23903C0D564
Reporter zbetcheckin
Tags:32 ArkeiStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3146709a424c7546aa78d89159618da8
Verdict:
Malicious activity
Analysis date:
2021-09-24 20:42:43 UTC
Tags:
trojan stealer vidar loader
Link:
https://app.any.run/tasks/6c2728e4-8869-459b-9e57-af5d6afa2acb

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/191282/
Detection(s):
SecuriteInfo.com.Variant.Fugrafa.166459.180.24081.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5a192802-0966-414a-b57d-375211142b3c
Result
Threat name:
Vidar Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/857646
Signature
Adds a directory exclusion to Windows Defender
Creates files in alternative data streams (ADS)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Modifies the windows firewall
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has a writeable .text section
PE file has nameless sections
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses netsh to modify the Windows network and firewall settings
Yara detected Vidar
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 490073 Sample: cj6LIPaeUz Startdate: 24/09/2021 Architecture: WINDOWS Score: 100 90 pool.hashvault.pro 49.12.130.173, 49795, 49809, 80 HETZNER-ASDE Germany 2->90 114 Multi AV Scanner detection for submitted file 2->114 116 Yara detected Vidar 2->116 118 Yara detected Vidar stealer 2->118 120 10 other signatures 2->120 13 cj6LIPaeUz.exe 75 2->13         started        18 dapeditor.exe 2->18         started        20 svchost.exe 1 2->20         started        22 2 other processes 2->22 signatures3 process4 dnsIp5 98 159.69.203.58, 49717, 80 HETZNER-ASDE Germany 13->98 100 mas.to 88.99.75.82, 443, 49716 HETZNER-ASDE Germany 13->100 104 4 other IPs or domains 13->104 82 C:\ProgramData\RT68AYMZDH85YW2A.exe, PE32 13->82 dropped 84 C:\...\RT68AYMZDH85YW2A.exe:Zone.Identifier, ASCII 13->84 dropped 86 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->86 dropped 88 12 other files (none is malicious) 13->88 dropped 124 Detected unpacking (changes PE section rights) 13->124 126 Detected unpacking (overwrites its own PE header) 13->126 128 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->128 130 4 other signatures 13->130 24 RT68AYMZDH85YW2A.exe 2 13->24         started        27 cmd.exe 1 13->27         started        102 iplogger.org 18->102 file6 signatures7 process8 file9 62 C:\Users\user\...\RT68AYMZDH85YW2A.tmp, PE32 24->62 dropped 29 RT68AYMZDH85YW2A.tmp 3 13 24->29         started        32 taskkill.exe 1 27->32         started        34 conhost.exe 27->34         started        36 timeout.exe 1 27->36         started        process10 file11 72 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 29->72 dropped 38 RT68AYMZDH85YW2A.exe 2 29->38         started        process12 file13 60 C:\Users\user\...\RT68AYMZDH85YW2A.tmp, PE32 38->60 dropped 41 RT68AYMZDH85YW2A.tmp 5 233 38->41         started        process14 file15 64 C:\Users\user\...\dapeditor.exe (copy), PE32+ 41->64 dropped 66 C:\Users\user\...\libwinpthread-1.dll (copy), PE32+ 41->66 dropped 68 C:\Users\user\...\libicuio67.dll (copy), PE32+ 41->68 dropped 70 28 other files (none is malicious) 41->70 dropped 44 dapeditor.exe 41->44         started        process16 dnsIp17 92 iplogger.org 88.99.66.31, 443, 49723, 49724 HETZNER-ASDE Germany 44->92 94 52.217.133.121, 443, 49728, 49750 AMAZON-02US United States 44->94 96 4 other IPs or domains 44->96 74 C:\ProgramData\UpSys.exe, PE32+ 44->74 dropped 76 C:\ProgramData\Systemd\Database.exe, PE32+ 44->76 dropped 78 C:\Users\user\AppData\Local\...\UpSys[1].exe, PE32+ 44->78 dropped 80 3 other files (none is malicious) 44->80 dropped 122 Adds a directory exclusion to Windows Defender 44->122 49 Database.exe 44->49         started        52 powershell.exe 44->52         started        54 cmd.exe 44->54         started        file18 signatures19 process20 signatures21 106 Tries to detect sandboxes and other dynamic analysis tools (window names) 49->106 108 Machine Learning detection for dropped file 49->108 110 Hides threads from debuggers 49->110 112 Uses netsh to modify the Windows network and firewall settings 52->112 56 conhost.exe 52->56         started        58 conhost.exe 54->58         started        process22
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a5a953b328eddffbd69d55bc2d6626c353bcef9a9a9f4efec49cdaa7ac601ac/
Threat name:
Win32.Trojan.Fugrafa
Create hunting rule
Status:
Malicious
First seen:
2021-09-24 17:19:42 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pjnjkozsr3o77plj2vn4fvtcnq2txtxzvgu7j37mjhg2u6wgagwa._file
Verdict:
malicious
Similar samples:
0b9e99da4b12b612062039c318ecb8a60a75dae6cdf44504d9fdcc5c46a8e7bf
ArkeiStealer
0f0da1d14f83ff61c448df9161c01d1ee11cf4dccbbc48df79fff89f2fd18454
ArkeiStealer
3645dc682a44ecd1848b5cb1b8367a2fd98886dc03cefa6fc3ffd98d66182500
ArkeiStealer
5b2fce91cda0fa71818a683c57c88eb1533b70bcfb5e82b312757b3015d69801
ArkeiStealer
984889d4f3b6e42845c4cefc4bd1ac4388ca5f5fa99dd07cbf774774c2ffaa06
ArkeiStealer
a30652e56f30468e942474a7fc74fd07ee5f298a3156cde5a54c3ced630f7159
ArkeiStealer
d0cfe54414069b464762e74a0e2c4a313e8d53a0524af9cf2c1a90582978ac9d
ArkeiStealer
ed2ca82131cad5380e978d4c2d489e09f247463021b80cda9241bff82c10fb86
ArkeiStealer
f2962bc483f62e359dca3b911e2b422bf057dec9a14c4863992ea063d5d960da
ArkeiStealer
f35bc946ea6919fa86ef778e39ee36e8b6c2c4e335cd82394ed9a29211779ce8
ArkeiStealer
+ 103 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar discovery evasion spyware stealer themida trojan
Link:
https://tria.ge/reports/210924-zg2esaaad3/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies system certificate store
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Checks BIOS information in registry
Deletes itself
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Vidar Stealer
Modifies security service
Vidar
Unpacked files
SH256 hash:
42ec8be78d7296a98bc04185d926104a15c1a267a86f9f6c249b7dc7b7902ff0
MD5 hash:
1fdf260ce24fb68b2c4c6f423831e63a
SHA1 hash:
1fecd4a4e72890ded5b5e34e6f8354c7a6c0deee
Link:
https://www.unpac.me/results/c6fddeec-fda2-4d20-9d33-384c598c8648/
SH256 hash:
7a5a953b328eddffbd69d55bc2d6626c353bcef9a9a9f4efec49cdaa7ac601ac
MD5 hash:
3146709a424c7546aa78d89159618da8
SHA1 hash:
129c41766d3e8f0134c98223ea54cea6e91f9436
Link:
https://www.unpac.me/results/c6fddeec-fda2-4d20-9d33-384c598c8648/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/7a5a953b328e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.41
Link:
https://yomi.yoroi.company/submissions/7a5a953b328eddffbd69d55bc2d6626c353bcef9a9a9f4efec49cdaa7ac601ac

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_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload

File information

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

Web download

ArkeiStealer

Executable exe 7a5a953b328eddffbd69d55bc2d6626c353bcef9a9a9f4efec49cdaa7ac601ac

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1642822/
Cape
Cape
https://www.capesandbox.com/analysis/191282/

Comments


Avatar
zbet commented on 2021-09-24 20:41:20 UTC

url : hxxp://2.56.59.42/WW/file8.exe