MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c8f1643dd2d7c1c8224caa017aeb9f4447370e3849862d25b19844def08f384. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 1c8f1643dd2d7c1c8224caa017aeb9f4447370e3849862d25b19844def08f384
SHA3-384 hash: 2369e02d0e3dac8e0f4c1fcd6948bf34ec9a85e1a766746b9faa1bc885abe3fface22ad4187265199e7176cfcfb95b18
SHA1 hash: c174b5314e9c3df9ce1d4a15228d05f88abbcac6
MD5 hash: 2f3c78ba57e682a5f4ce3632b1b2da20
humanhash: green-east-arizona-bulldog
File name:2f3c78ba57e682a5f4ce3632b1b2da20.exe
Download: download sample
Signature ArkeiStealer
File size:739'328 bytes
First seen:2021-08-05 15:20:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2a9c1ca66125aeff7a1c36242be63d54 (10 x RaccoonStealer, 1 x ServHelper, 1 x Loki)
ssdeep 12288:eeGHQ+4tLRtu4AtWUZngf8OawfkoNDbTzlpYRdlVeWbzBCPTKsHJXmYiiS73:eeB+4pRtLAtWUZngfXTkopfWVe2VCPFY
Threatray 420 similar samples on MalwareBazaar
TLSH T15BF4120131C0C033E4607A758957CA7E5A7BB862D9E48F5B7F860BAC9E12292FF5634D
dhash icon 1272d292105c5c03 (31 x RaccoonStealer, 6 x Smoke Loader, 4 x Loki)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2f3c78ba57e682a5f4ce3632b1b2da20.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-05 15:22:44 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Sending a UDP request
Deleting a recently created file
Connection attempt to an infection source
Sending an HTTP GET request
Sending an HTTP GET request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
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
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 459940 Sample: TPEZ8eK3qv.exe Startdate: 05/08/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected Djvu Ransomware 2->49 51 2 other signatures 2->51 8 TPEZ8eK3qv.exe 2->8         started        11 TPEZ8eK3qv.exe 2->11         started        13 TPEZ8eK3qv.exe 2->13         started        15 TPEZ8eK3qv.exe 2->15         started        process3 signatures4 53 Detected unpacking (changes PE section rights) 8->53 55 Detected unpacking (overwrites its own PE header) 8->55 57 Contains functionality to inject code into remote processes 8->57 17 TPEZ8eK3qv.exe 1 16 8->17         started        59 Multi AV Scanner detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 63 Injects a PE file into a foreign processes 11->63 21 TPEZ8eK3qv.exe 12 11->21         started        23 TPEZ8eK3qv.exe 12 13->23         started        25 TPEZ8eK3qv.exe 12 15->25         started        process5 dnsIp6 41 api.2ip.ua 77.123.139.190, 443, 49721, 49727 VOLIA-ASUA Ukraine 17->41 35 C:\Users\user\AppData\...\TPEZ8eK3qv.exe, PE32 17->35 dropped 37 C:\Users\...\TPEZ8eK3qv.exe:Zone.Identifier, ASCII 17->37 dropped 27 TPEZ8eK3qv.exe 17->27         started        30 icacls.exe 17->30         started        43 192.168.2.1 unknown unknown 21->43 file7 process8 signatures9 65 Injects a PE file into a foreign processes 27->65 32 TPEZ8eK3qv.exe 12 27->32         started        process10 dnsIp11 39 api.2ip.ua 32->39
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2021-08-04 23:30:32 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence spyware stealer suricata
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://prophefliloc.tumblr.com/
Unpacked files
SH256 hash:
1c8f1643dd2d7c1c8224caa017aeb9f4447370e3849862d25b19844def08f384
MD5 hash:
2f3c78ba57e682a5f4ce3632b1b2da20
SHA1 hash:
c174b5314e9c3df9ce1d4a15228d05f88abbcac6
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

ArkeiStealer

Executable exe 1c8f1643dd2d7c1c8224caa017aeb9f4447370e3849862d25b19844def08f384

(this sample)

  
Delivery method
Distributed via web download

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