MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca05bdeff05876d189e870c1b7af2bf4bd098214506905655ced4f73efe8560b. 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: 13


Intelligence 13 IOCs 2 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca05bdeff05876d189e870c1b7af2bf4bd098214506905655ced4f73efe8560b
SHA3-384 hash: 32f17d0d3fa558b538b972c223471f655df81746e40597a2bb2a5510e92a61ff6deda4ad9b0dd92fc8264aff4570e70c
SHA1 hash: fe897653c28eba3bad02ab2ea4bf387681c0d9c2
MD5 hash: 77adbb8672641748343cb72e9e7f04bc
humanhash: montana-blossom-lithium-sweet
File name:77adbb8672641748343cb72e9e7f04bc.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:340'480 bytes
First seen:2021-12-27 11:56:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9e4964397fc54b7bb2fc54a6481133c3 (2 x ArkeiStealer, 1 x RedLineStealer)
ssdeep 3072:HirBP+d0yRb/cyMvaU9/Hh4YdSvx6Pxl0KUHjnQlwRdL5zriS/zu7LfDSgi9mvPw:H6PuN6jUHaqdLVjMLSg+mQhmx5HkD+D
TLSH T100746A10B7A0D035F1B362F48AB95274A62F7EE16B2491CB53D12BED96356E0EC3071B
File icon (PE):PE icon
dhash icon badacabecee6baa6 (95 x Stop, 87 x RedLineStealer, 62 x Smoke Loader)
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://116.202.188.27/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
81.176.229.76:31970 https://threatfox.abuse.ch/ioc/287793/
http://116.202.188.27/ https://threatfox.abuse.ch/ioc/287975/

Intelligence

File Origin
# of uploads :
1
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
77adbb8672641748343cb72e9e7f04bc.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-27 11:59:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/311dc4e7-80e6-4e26-b0a2-a7a87fe076dc

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/216539/
Detection(s):
Win.Packed.Generic-9918587-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Searching for synchronization primitives
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending an HTTP GET request
Searching for analyzing tools
Searching for the window
Launching a process
Unauthorized injection to a recently created process
Query of malicious DNS domain
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/3344/overview
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
EvasionGetTickCount
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
Link:
https://www.filescan.io/uploads/61c9aa114ab5c44cbf535b6b/reports/55c0091d-5895-40d4-a9a2-8d5e398851a6/overview
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aeed0051-5aa3-4b30-a5f4-0d295b9c283d
Result
Threat name:
RedLine SmokeLoader Tofsee Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/913110
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Changes security center settings (notifications, updates, antivirus, firewall)
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Copying Sensitive Files with Credential Data
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to evade analysis by execution special instruction which cause usermode exception
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 545588 Sample: a253ieOlKV.exe Startdate: 27/12/2021 Architecture: WINDOWS Score: 100 90 t.me 2->90 92 host-data-coin-11.com 2->92 128 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->128 130 Antivirus detection for URL or domain 2->130 132 Antivirus detection for dropped file 2->132 134 15 other signatures 2->134 11 a253ieOlKV.exe 2->11         started        14 egjeiht 2->14         started        16 svchost.exe 2->16         started        18 8 other processes 2->18 signatures3 process4 signatures5 144 Contains functionality to inject code into remote processes 11->144 146 Injects a PE file into a foreign processes 11->146 20 a253ieOlKV.exe 11->20         started        148 Machine Learning detection for dropped file 14->148 23 egjeiht 14->23         started        150 Changes security center settings (notifications, updates, antivirus, firewall) 16->150 25 MpCmdRun.exe 16->25         started        process6 signatures7 136 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 20->136 138 Maps a DLL or memory area into another process 20->138 140 Checks if the current machine is a virtual machine (disk enumeration) 20->140 27 explorer.exe 10 20->27 injected 142 Creates a thread in another existing process (thread injection) 23->142 32 conhost.exe 25->32         started        process8 dnsIp9 98 185.233.81.115, 443, 49777 SUPERSERVERSDATACENTERRU Russian Federation 27->98 100 188.166.28.199, 80 DIGITALOCEAN-ASNUS Netherlands 27->100 102 16 other IPs or domains 27->102 82 C:\Users\user\AppData\Roaming\egjeiht, PE32 27->82 dropped 84 C:\Users\user\AppData\Local\TempF9D.exe, PE32 27->84 dropped 86 C:\Users\user\AppData\Local\Temp\CB0C.exe, PE32 27->86 dropped 88 8 other malicious files 27->88 dropped 152 System process connects to network (likely due to code injection or exploit) 27->152 154 Benign windows process drops PE files 27->154 156 Deletes itself after installation 27->156 158 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->158 34 5B87.exe 27->34         started        37 482C.exe 127 27->37         started        41 D692.exe 2 27->41         started        43 524F.exe 2 27->43         started        file10 signatures11 process12 dnsIp13 106 Multi AV Scanner detection for dropped file 34->106 108 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 34->108 110 Machine Learning detection for dropped file 34->110 124 2 other signatures 34->124 45 5B87.exe 34->45         started        49 5B87.exe 34->49         started        94 file-file-host4.com 37->94 76 C:\Users\user\AppData\...\sqlite3[1].dll, PE32 37->76 dropped 78 C:\ProgramData\sqlite3.dll, PE32 37->78 dropped 112 Detected unpacking (changes PE section rights) 37->112 114 Detected unpacking (overwrites its own PE header) 37->114 116 Tries to harvest and steal browser information (history, passwords, etc) 37->116 126 2 other signatures 37->126 51 cmd.exe 37->51         started        96 45.9.20.149, 7526 DEDIPATH-LLCUS Russian Federation 41->96 118 Tries to detect sandboxes and other dynamic analysis tools (window names) 41->118 120 Tries to evade analysis by execution special instruction which cause usermode exception 41->120 122 Hides threads from debuggers 41->122 80 C:\Users\user\AppData\Local\...\lnagngtg.exe, PE32 43->80 dropped 53 cmd.exe 43->53         started        56 cmd.exe 43->56         started        58 sc.exe 43->58         started        60 sc.exe 43->60         started        file14 signatures15 process16 dnsIp17 104 86.107.197.138, 38133, 49893 MOD-EUNL Romania 45->104 160 Tries to harvest and steal browser information (history, passwords, etc) 45->160 162 Tries to steal Crypto Currency Wallets 45->162 62 conhost.exe 51->62         started        64 timeout.exe 51->64         started        74 C:\Windows\SysWOW64\...\lnagngtg.exe (copy), PE32 53->74 dropped 66 conhost.exe 53->66         started        68 conhost.exe 56->68         started        70 conhost.exe 58->70         started        72 conhost.exe 60->72         started        file18 signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca05bdeff05876d189e870c1b7af2bf4bd098214506905655ced4f73efe8560b/
Threat name:
Win32.Backdoor.Convagent
Create hunting rule
Status:
Malicious
First seen:
2021-12-27 11:57:17 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
32 of 43 (74.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zic3337qlb3ndcpioda3plzl6s6qtaqukbuqkzk45vhxh37ikyfq._file
Verdict:
malicious
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:arkei family:raccoon family:redline family:smokeloader family:tofsee family:vidar family:xmrig botnet:10da56e7e71e97bdc1f36eb76813bbc3231de7e4 botnet:408 backdoor discovery evasion infostealer miner persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/211227-n4k6jacfa9/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
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
Looks up external IP address via web service
Checks BIOS information in registry
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
UPX packed file
Arkei Stealer Payload
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Vidar Stealer
XMRig Miner Payload
Arkei
Raccoon
RedLine
RedLine Payload
SmokeLoader
Tofsee
Vidar
Windows security bypass
xmrig
Malware Config
C2 Extraction:
http://host-data-coin-11.com/
http://file-coin-host-12.com/
patmushta.info
parubey.info
https://noc.social/@kipriauk10
https://c.im/@kipriauk11
Unpacked files
SH256 hash:
788f723ebfe0110232b52ee15345acc5f74a53ea45e5f422dc5ce2eb5833fadc
MD5 hash:
198ff357daf4345c9fc869616b139381
SHA1 hash:
24c9899b296cf004e400b77e72b89f42bb726f37
Link:
https://www.unpac.me/results/72b13551-7b67-4044-b509-9e822eacf1c3/
Parent samples :
3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773
6861cdee1ee282ee8c69e31503d95291409907d8b27538f8082adb00205ad105
ccf4e081582226315f3a2bc171b604e3911d0225cc85e18188872ea9832a5388
be1c79275d836696a00b258d15a8b337a8c9beb8198a5bd3d5aaf64d660c8005
53bcd8239258dcbb10f9d3b6d057103c18fe3dd614c5809053426b01b741500d
SH256 hash:
ca05bdeff05876d189e870c1b7af2bf4bd098214506905655ced4f73efe8560b
MD5 hash:
77adbb8672641748343cb72e9e7f04bc
SHA1 hash:
fe897653c28eba3bad02ab2ea4bf387681c0d9c2
Link:
https://www.unpac.me/results/72b13551-7b67-4044-b509-9e822eacf1c3/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ca05bdeff058/report/overview.html
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/ca05bdeff05876d189e870c1b7af2bf4bd098214506905655ced4f73efe8560b

File information

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

Web download

ArkeiStealer

Executable exe ca05bdeff05876d189e870c1b7af2bf4bd098214506905655ced4f73efe8560b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1919115/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/216539/

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