MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a88f6e7db37ee058a26742f7cd2d92927eeb70e863c025a9758a7b710e152f81. 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: 11


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

SHA256 hash: a88f6e7db37ee058a26742f7cd2d92927eeb70e863c025a9758a7b710e152f81
SHA3-384 hash: b05df7fb3168c586eb181177b6bb8d106c18c378bd3b75b15dd738e89054786e11fed201675f3d43fa19251ad2c0997a
SHA1 hash: dd1123214349988779faece915da889cf8afc66c
MD5 hash: 6a6d800f606962d85f95c2f0e4116400
humanhash: failed-mockingbird-carpet-equal
File name:6a6d800f606962d85f95c2f0e4116400.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:824'320 bytes
First seen:2021-07-12 08:56:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcb38676ab6f29500fe9beac3fd9df98 (1 x ArkeiStealer)
ssdeep 12288:U2SflAKYh2URr8RxZcSuNHS0eJ/CJHsaTlJH9jiyAKVkfYk+Nf+fAk1MXNamtsLi:U2DKYh7W+SBJqJHsaTH1qMBrkRpg4Jo
Threatray 351 similar samples on MalwareBazaar
TLSH T16B05F120BAA0C035E5F716B4997A93A8682CBDB15F2050C7F2D877DA26356E8DCF0753
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6a6d800f606962d85f95c2f0e4116400.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-12 09:10:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8f1d8082-f7ce-40be-b1ea-ab0a856af88f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/171003/
Detection(s):
Win.Malware.Filerepmalware-9877678-0
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:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4c290cdb-213c-43ed-84aa-e01b7162e113
Result
Threat name:
Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/814684
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 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
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 447092 Sample: 24zy9pfEPa.exe Startdate: 12/07/2021 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->89 91 Multi AV Scanner detection for domain / URL 2->91 93 Found malware configuration 2->93 95 8 other signatures 2->95 12 24zy9pfEPa.exe 2->12         started        15 24zy9pfEPa.exe 2->15         started        17 24zy9pfEPa.exe 2->17         started        19 24zy9pfEPa.exe 2->19         started        process3 signatures4 107 Detected unpacking (overwrites its own PE header) 12->107 109 Contains functionality to inject code into remote processes 12->109 111 Writes many files with high entropy 12->111 21 24zy9pfEPa.exe 1 18 12->21         started        113 Injects a PE file into a foreign processes 15->113 25 24zy9pfEPa.exe 13 15->25         started        27 24zy9pfEPa.exe 13 17->27         started        29 24zy9pfEPa.exe 19->29         started        process5 dnsIp6 81 api.2ip.ua 77.123.139.190, 443, 49717, 49723 VOLIA-ASUA Ukraine 21->81 83 192.168.2.1 unknown unknown 21->83 65 C:\Users\...\24zy9pfEPa.exe:Zone.Identifier, ASCII 21->65 dropped 31 24zy9pfEPa.exe 21->31         started        34 icacls.exe 21->34         started        file7 process8 signatures9 121 Injects a PE file into a foreign processes 31->121 36 24zy9pfEPa.exe 1 23 31->36         started        process10 dnsIp11 75 dgos.top 165.22.218.24, 49725, 80 DIGITALOCEAN-ASNUS United States 36->75 77 astdg.top 106.241.4.103, 49727, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 36->77 79 api.2ip.ua 36->79 57 C:\Users\...\StartUnifiedTileModelCache.dat, DOS 36->57 dropped 59 C__Windows_SystemA...e_Desktop_14[1].txt, PARIX 36->59 dropped 61 {3DA71D5A-20CC-432...0000000000000016.db, DOS 36->61 dropped 63 198 other files (190 malicious) 36->63 dropped 97 Modifies existing user documents (likely ransomware behavior) 36->97 41 build2.exe 36->41         started        file12 signatures13 process14 signatures15 99 Multi AV Scanner detection for dropped file 41->99 101 Detected unpacking (changes PE section rights) 41->101 103 Detected unpacking (overwrites its own PE header) 41->103 105 2 other signatures 41->105 44 build2.exe 41->44         started        process16 dnsIp17 85 sergeevih43.tumblr.com 74.114.154.22, 443, 49734 AUTOMATTICUS Canada 44->85 87 162.55.223.232, 49735, 80 ACPCA United States 44->87 67 C:\Users\user\AppData\...\softokn3[1].dll, PE32 44->67 dropped 69 C:\Users\user\AppData\...\freebl3[1].dll, PE32 44->69 dropped 71 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 44->71 dropped 73 9 other files (none is malicious) 44->73 dropped 115 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 44->115 117 Tries to harvest and steal browser information (history, passwords, etc) 44->117 119 Tries to steal Crypto Currency Wallets 44->119 49 cmd.exe 44->49         started        file18 signatures19 process20 process21 51 conhost.exe 49->51         started        53 taskkill.exe 49->53         started        55 timeout.exe 49->55         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a88f6e7db37ee058a26742f7cd2d92927eeb70e863c025a9758a7b710e152f81/
Threat name:
Win32.Infostealer.Ficker
Create hunting rule
Status:
Malicious
First seen:
2021-07-10 21:56:07 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
6ed8e078433a7e7938f2084f83a640d707708ac99a246b31736bd22327664668
ArkeiStealer
712e9e9e2976782e38288d45a2d177f1dc3757c7610b4b9bae9e35be9f20b913
ArkeiStealer
7c75df63bc40beca5ccf65db76c33539ee9f3468a4149e1a0c0bfd30949f4b4d
ArkeiStealer
9634e7bbda11d42ed7eda4f7cc1965dea16ab45877cb425d322e830cf63a0657
ArkeiStealer
99ee06f5fb4f0aa90678d6a6405d2d01138bcd128c6d2aabecda07c110361ba2
ArkeiStealer
a3c074948f5e3d2b89f0035bbf7bd74b1a3ec0525dc1496b4463f55ef15f3521
ArkeiStealer
b055016e0d82c57b58cd126f26b4b8f4dae1441f0019bdaa42452e815f128944
ArkeiStealer
d0da8d292459d68df7dbbd65379e80e970b79f93307f05aca7b95e967ad86d52
ArkeiStealer
ed8a7ffec56f450a365e758012db092883bbd23565f3f9fbb004c189fb703de3
ArkeiStealer
+ 341 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence spyware stealer
Link:
https://tria.ge/reports/210712-rz9fe52nme/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://sergeevih43.tumblr.com/
Unpacked files
SH256 hash:
73228a57289666d98769ea178a6a97f532b613ed6e05f6af986799f14344ebe1
MD5 hash:
7a06560f3aa1bb8bce36f0beab0899e2
SHA1 hash:
c9a7226a5953617b190d658409e27f664c1fa196
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/ee2dece2-60b6-4012-8296-5b3501476e95/
Parent samples :
9634e7bbda11d42ed7eda4f7cc1965dea16ab45877cb425d322e830cf63a0657
bfbf6bb9393e511a06e90d432e7538059ae75f9f1525f0f503d1d0bec0d32124
ff9e059a789e94573fb32a918657d5c5c59b5395fab873cbcec7b1543435fe93
808047c44b88e64eaeaa2c63b136dce30013db875ebdcfe24a22e0e292a757cc
ca7f21ad4f9b5ca208d0a43b76edc7bbb9c698289cb4fc718c884681c5dcf10f
a88f6e7db37ee058a26742f7cd2d92927eeb70e863c025a9758a7b710e152f81
SH256 hash:
a88f6e7db37ee058a26742f7cd2d92927eeb70e863c025a9758a7b710e152f81
MD5 hash:
6a6d800f606962d85f95c2f0e4116400
SHA1 hash:
dd1123214349988779faece915da889cf8afc66c
Link:
https://www.unpac.me/results/ee2dece2-60b6-4012-8296-5b3501476e95/
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/a88f6e7db37ee058a26742f7cd2d92927eeb70e863c025a9758a7b710e152f81

File information

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

Web download

ArkeiStealer

Executable exe a88f6e7db37ee058a26742f7cd2d92927eeb70e863c025a9758a7b710e152f81

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1423741/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/171003/

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