MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d78b475ebd4cc187a4bfdbb0e778be2d19d29700cf040795ff886852d18181c. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1d78b475ebd4cc187a4bfdbb0e778be2d19d29700cf040795ff886852d18181c
SHA3-384 hash: 3652d0215ca17c113fb1e77da4015531478fc1a9ae445b132dfa6b6c1e11f3007d4cdebf1ef156b6eb2f40e0082133a4
SHA1 hash: 75cb9c68f2853b8a5a9fb84d83e0e0c3a62d2de0
MD5 hash: 60b77e30354e20b67873702769a35455
humanhash: freddie-island-spaghetti-muppet
File name:60b77e30354e20b67873702769a35455.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:819'200 bytes
First seen:2021-06-09 15:14:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6c073e6a8ba68224cd3b694cbab6f2b2 (1 x ArkeiStealer, 1 x DanaBot, 1 x RedLineStealer)
ssdeep 12288:YFyxFYAIaT6xlbXxv2gXzDyzzJagn3X4TjmPPW9VqLagE9cNA85I7f8:zL6dzXzDyzIqX4e3wSagzA8K0
Threatray 276 similar samples on MalwareBazaar
TLSH 81050100B6E1C038F1F316F596B99368A52E7EB1A76490CF52D266ED5734AE0EC32347
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
287
Origin country :
n/a
Vendor Threat Intelligence
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/165651/
Detection(s):
Win.Packed.Bandook-9869374-1
Create hunting rule

Win.Packed.Stop-9870167-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Connection attempt
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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.
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/799642
Signature
Contains functionality to inject code into remote processes
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 submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 432038 Sample: eWiuOkCSSf.exe Startdate: 09/06/2021 Architecture: WINDOWS Score: 92 56 Multi AV Scanner detection for domain / URL 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 Found ransom note / readme 2->60 62 2 other signatures 2->62 8 eWiuOkCSSf.exe 2->8         started        11 eWiuOkCSSf.exe 2->11         started        13 eWiuOkCSSf.exe 2->13         started        15 eWiuOkCSSf.exe 2->15         started        process3 signatures4 66 Injects a PE file into a foreign processes 8->66 17 eWiuOkCSSf.exe 1 19 8->17         started        22 eWiuOkCSSf.exe 1 16 11->22         started        68 Machine Learning detection for dropped file 13->68 70 Contains functionality to inject code into remote processes 13->70 24 eWiuOkCSSf.exe 12 13->24         started        26 eWiuOkCSSf.exe 12 15->26         started        process5 dnsIp6 48 asvb.top 35.236.78.72, 49722, 80 GOOGLEUS United States 17->48 36 C:\_readme.txt, ASCII 17->36 dropped 38 C:\Users\user\Desktop\eWiuOkCSSf.exe, data 17->38 dropped 40 C:\Users\user\Desktop\UNKRLCVOHV.mp3, data 17->40 dropped 46 2 other malicious files 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 77.123.139.190, 443, 49712, 49716 VOLIA-ASUA Ukraine 22->50 42 C:\Users\user\AppData\...\eWiuOkCSSf.exe, PE32 22->42 dropped 44 C:\Users\...\eWiuOkCSSf.exe:Zone.Identifier, ASCII 22->44 dropped 28 eWiuOkCSSf.exe 22->28         started        31 icacls.exe 22->31         started        52 192.168.2.1 unknown unknown 24->52 file7 signatures8 process9 signatures10 72 Injects a PE file into a foreign processes 28->72 33 eWiuOkCSSf.exe 12 28->33         started        process11 dnsIp12 54 api.2ip.ua 33->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1d78b475ebd4cc187a4bfdbb0e778be2d19d29700cf040795ff886852d18181c/
Threat name:
Win32.Ransomware.Stop
Create hunting rule
Status:
Malicious
First seen:
2021-06-09 15:14:11 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
26 of 46 (56.52%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
0463b38f5b4a592a808c730ee27a29607fab41971d5cbad604a1559f1cf460dd
ArkeiStealer
59db1c1bc14d72ef225926c9d5a5a5a704d79b22b720e4e7884b2da2825c9203
ArkeiStealer
6c63325e8f7928f68484e7131d1e4b727f94bd476f8a875d17f5ca680c3d8e92
ArkeiStealer
73ee55d80837accbaf001434a618fcc3a0afbf80928ed8b5b8d9a681fccfaa43
ArkeiStealer
7dd793aab5547eb5523f7c9c0222b819995d7550603fa027854a63327b59b657
ArkeiStealer
869bd0ca39150a6e0f87609ca7e927211ba9cf636b69c33c3cd09db85922dd94
ArkeiStealer
88a30fa4dee34a4249544734b5323f180ba725a8582226a5b891c43e81b2c395
ArkeiStealer
afc40ccbfe32719ae9b39ce16275f27400faefefcf207641d06b61ddde622011
ArkeiStealer
dcbea2abd13caac137cf4b0075f1631d7db9ddbcf11f09563f8b163e43191363
ArkeiStealer
e130228c8ed44ad5e8963c25b57e0f5186b6ef4dd00287e3505cb6be51369c82
ArkeiStealer
+ 266 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar discovery evasion persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210609-kc31mf5xs6/
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
Disables Task Manager via registry modification
Downloads MZ/PE file
Drops file in Drivers directory
Executes dropped EXE
Deletes Windows Defender Definitions
Djvu Ransomware
Vidar
Unpacked files
SH256 hash:
610a9ccab548e4fef1498437df5556fa543ee902fe40f7cb51f2466f01329c9a
MD5 hash:
c742d4c78ac8a510a93c954780aad22e
SHA1 hash:
83d9ae615b44f990eed75adbc09f0f3f3d89d61b
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/c27f38b4-009e-460d-b4c8-4b0cd0a219c7/
Parent samples :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 hash:
1d78b475ebd4cc187a4bfdbb0e778be2d19d29700cf040795ff886852d18181c
MD5 hash:
60b77e30354e20b67873702769a35455
SHA1 hash:
75cb9c68f2853b8a5a9fb84d83e0e0c3a62d2de0
Link:
https://www.unpac.me/results/c27f38b4-009e-460d-b4c8-4b0cd0a219c7/
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/1d78b475ebd4cc187a4bfdbb0e778be2d19d29700cf040795ff886852d18181c

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:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

File information

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

Web download

ArkeiStealer

Executable exe 1d78b475ebd4cc187a4bfdbb0e778be2d19d29700cf040795ff886852d18181c

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/165651/
  
URLhaus
https://urlhaus.abuse.ch/url/1256494/
  
Delivery method
Distributed via web download

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