MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 aaa77ce4b5341185c016e9cc4f28c16b5e3f8e544f3dff6a66e33718c2775088. 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: 10
| SHA256 hash: | aaa77ce4b5341185c016e9cc4f28c16b5e3f8e544f3dff6a66e33718c2775088 |
|---|---|
| SHA3-384 hash: | ff362b7cb81da7d58e40da109aa2daa2af9c6cf99720acc7ff58d7374fa9f1d0f6b6e97d6716f3e11032172c9dc98d33 |
| SHA1 hash: | 2a44cf9be75066de3053fa8fa7003c49a3d88afa |
| MD5 hash: | fd959a8b07081ca2b2724265399e6479 |
| humanhash: | magnesium-emma-helium-sink |
| File name: | fd959a8b07081ca2b2724265399e6479 |
| Download: | download sample |
| Signature | ArkeiStealer |
| File size: | 557'568 bytes |
| First seen: | 2022-03-16 17:33:10 UTC |
| Last seen: | 2022-03-16 19:55:23 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | a31761b5a590c4c499d5f4a347d75c12 (23 x Formbook, 17 x AgentTesla, 6 x RedLineStealer) |
| ssdeep | 12288:Ln/zjvGHAykHJRLW/4+8bzbBSreM3yqZGDx:Dz7GHAzH7jX1BFx |
| Threatray | 100 similar samples on MalwareBazaar |
| TLSH | T14FC48E57F7CBF6F0E6BE827A86B1891D52B774520270A78F664072896D23382453DB0F |
| Reporter |  zbetcheckin |
| Tags: | ArkeiStealer exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
zSPECIFICATION_16_03_202264.xll
Verdict:
Malicious activity
Analysis date:
2022-03-16 15:11:13 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware packed packed
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.
Verdict:
Suspicious
Result
Threat name:
Quasar Vidar
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
DLL side loading technique detected
Document exploit detected (process start blacklist hit)
Found evasive API chain (may stop execution after checking computer name)
Found evasive API chain (may stop execution after checking locale)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Quasar RAT
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.ExcelAddin
Status:
Malicious
First seen:
2022-03-16 17:34:13 UTC
File Type:
PE+ (Dll)
Extracted files:
3
AV detection:
15 of 27 (55.56%)
Threat level:
5/5
Verdict:
unknown
Similar samples:
+ 90 additional samples on MalwareBazaar
Result
Malware family:
arkei
Score:
10/10
Tags:
family:arkei botnet:default stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Arkei
Process spawned unexpected child process
Unpacked files
SH256 hash:
aaa77ce4b5341185c016e9cc4f28c16b5e3f8e544f3dff6a66e33718c2775088
MD5 hash:
fd959a8b07081ca2b2724265399e6479
SHA1 hash:
2a44cf9be75066de3053fa8fa7003c49a3d88afa
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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