MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5588efb268c8bcc40cf1942db862387ccd2f4f8ca88464c0d316faedf90f80d5. 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



ACRStealer


Vendor detections: 12


Intelligence 12 IOCs YARA 20 File information Comments

SHA256 hash: 5588efb268c8bcc40cf1942db862387ccd2f4f8ca88464c0d316faedf90f80d5
SHA3-384 hash: b79ceaf78cce4ef52e04ce59a6fcfb34719e9e6ae5c83bcaee5bc6f119032e6cd50c15dc6f28104a610657a2fd33dd15
SHA1 hash: 95a538ee4e1005bbc59bd7d00c6c10270b7c4bb9
MD5 hash: adc84ff571d5b4049d4023c0b7461d52
humanhash: hamper-ten-oven-kilo
File name:VKkQj.exe
Download: download sample
Signature ACRStealer
File size:2'347'720 bytes
First seen:2026-05-29 00:06:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9cbefe68f395e67356e2a5d8d1b285c0 (64 x Vidar, 64 x LummaStealer, 49 x AuroraStealer)
ssdeep 49152:PrBvcNujA1yJKQqBkpGqui/Dah0oYD1a33:zpcNWA1V3Du/Dah0433
TLSH T1A1B59E42FCDB24B2EA06513218B2E2AF2731A9091F359FC3D940B77ABC775A51933365
TrID 29.5% (.EXE) Win64 Executable (generic) (6522/11/2)
22.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 55c4d6d2534c5501 (2 x Vidar, 2 x ACRStealer, 1 x RemusStealer)
Reporter aachum
Tags:ACRStealer cloud55file-cc exe signed uek-kernelshift-cc

Code Signing Certificate

Organisation:seekingalpha.com
Issuer:GlobalSign Atlas R3 DV TLS CA 2025 Q4
Algorithm:sha256WithRSAEncryption
Valid from:2025-12-09T01:00:31Z
Valid to:2027-01-10T01:00:30Z
Serial number: 01fd9f5b7b690b97ffb8332c60fe090f
Intelligence: 15 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 9e5bf272fba9a79a3e7f135872c0224d04945653ce3523fbd8c0bdc8525e0486
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
iamaachum
http://cloud55file.cc/load/os1/VKkQj.exe

ACRStealer C2: uek.kernelshift.cc

Intelligence


File Origin
# of uploads :
1
# of downloads :
145
Origin country :
ES ES
Vendor Threat Intelligence
No detections
Malware family:
ID:
1
File name:
_5588efb268c8bcc40cf1942db862387ccd2f4f8ca88464c0d316faedf90f80d5.exe
Verdict:
Malicious activity
Analysis date:
2026-05-29 00:08:46 UTC
Tags:
golang vidar stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
phishing spoof
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-vm crypto evasive golang packed signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-27T19:01:00Z UTC
Last seen:
2026-05-30T07:33:00Z UTC
Hits:
~10
Detections:
Backdoor.Win32.Gsb.sb Backdoor.Win32.Gsb.gen VHO:Backdoor.Win64.GoBin.gen
Result
Threat name:
ACR Stealer, GO Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected ACR Stealer
Yara detected GO Stealer
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-05-28 00:07:36 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery spyware stealer
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Time Discovery
Browser Information Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
5588efb268c8bcc40cf1942db862387ccd2f4f8ca88464c0d316faedf90f80d5
MD5 hash:
adc84ff571d5b4049d4023c0b7461d52
SHA1 hash:
95a538ee4e1005bbc59bd7d00c6c10270b7c4bb9
SH256 hash:
481d7275ba1eba4eeb1cc1bf89c5330e19a5917e908df75109d7ab6cad344c4b
MD5 hash:
0318bf7c72de922707563f4e9ea6b8fd
SHA1 hash:
62ef51ba04f3c9e4b00ce502bd047ebc70e8c3d9
Please note that we are no longer able to provide a coverage score for Virus Total.

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:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RemusStealer_GoPayload
Author:burger
Description:Detects RemusStealer Go-compiled payload
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/

File information


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

Web download

ACRStealer

Executable exe 5588efb268c8bcc40cf1942db862387ccd2f4f8ca88464c0d316faedf90f80d5

(this sample)

Comments