2026-08-30_5604981eae66f7456ba6c3a05fab78f4_akira_cobalt-strike

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General

Target
2026-08-30_5604981eae66f7456ba6c3a05fab78f4_akira_cobalt-strike
Size 1.4MB
Sample260831-nascraszev
SHA256 4238727b4f3bcbd586819ea37cafa2f0058e196ff8fc0fca04bb1f21295a97bb
MD5 5604981eae66f7456ba6c3a05fab78f4
SHA1 ceadd540a9b2fc16afe12330ac2bc4abfd7bf644
SHA512 a64dbf64eabeac39a47b95ba7f2054ac5ce3efeec693acb834aa2b55086727cba8eb4b7744917c0e63b283654b63aa63b8c93ebff40511c89e6f48c53d352577
SSDEEP 24576:00ebMki9Dn1Ej6CoTybNDpBcGXKzmkrMfhT/sxHJYAuUsaiBEGkb0YNp3/SsY5:xWMki9D1Ej6+BkG6jIfhT/sxVu5d5kbe
TLSH
T15065121772E661FCE11AC078435BA1B77B377CC61A227CBF12E499702E9AE516F18B10
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Untrusted Codesign Signers 1 IoCs

Codesigned file was signed by an untrusted entity.

resource
2026-08-30_5604981eae66f7456ba6c3a05fab78f4_akira_cobalt-strike

File Explorer

2026-08-30_5604981eae66f7456ba6c3a05fab78f4_akira_cobalt-strike

.exe 1.4MB

2026-08-30_5604981eae66f7456ba6c3a05fab78f4_akira_cobalt-strike

IMPHASH e9bf7f1b9f3130fc9a318d927c506610
SHA256 4238727b4f3bcbd586819ea37cafa2f0058e196ff8fc0fca04bb1f21295a97bb
MD5 5604981eae66f7456ba6c3a05fab78f4
SHA1 ceadd540a9b2fc16afe12330ac2bc4abfd7bf644
SHA512 a64dbf64eabeac39a47b95ba7f2054ac5ce3efeec693acb834aa2b55086727cba8eb4b7744917c0e63b283654b63aa63b8c93ebff40511c89e6f48c53d352577
SSDEEP 24576:00ebMki9Dn1Ej6CoTybNDpBcGXKzmkrMfhT/sxHJYAuUsaiBEGkb0YNp3/SsY5:xWMki9D1Ej6+BkG6jIfhT/sxVu5d5kbe
TLSH
T15065121772E661FCE11AC078435BA1B77B377CC61A227CBF12E499702E9AE516F18B10
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x64 arch:x64

Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

33:a7:54:d2:03:1e:f0:79:ae:85:c0:be:12:37:50:07:0d:29:cd:03:7a:fa:a6:13:d4:e0:bc:24:0c:7c:40:eb

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Aug 26, 2026

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Minor OS version

Major OS version

Entry point

5072

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

kernel32

AddVectoredExceptionHandler CloseHandle CreateFileMappingA CreateFileW CreateToolhelp32Snapshot CreateWaitableTimerExW DuplicateHandle FormatMessageW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentThread GetCurrentThreadId GetEnvironmentVariableW GetFileInformationByHandle GetFileInformationByHandleEx GetFullPathNameW GetLastError GetModuleHandleA GetModuleHandleW GetProcAddress GetProcessHeap GetStdHandle HeapAlloc HeapFree HeapReAlloc InitOnceBeginInitialize InitOnceComplete MapViewOfFile Module32FirstW Module32NextW MultiByteToWideChar QueryPerformanceCounter QueryPerformanceFrequency RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind SetLastError SetThreadStackGuarantee SetUnhandledExceptionFilter SetWaitableTimer Sleep SwitchToThread TlsAlloc TlsFree TlsGetValue TlsSetValue UnmapViewOfFile WaitForSingleObject WriteConsoleW DeleteCriticalSection EnterCriticalSection InitializeCriticalSection LeaveCriticalSection RaiseException RtlUnwindEx VirtualProtect VirtualQuery __C_specific_handler

msvcrt

__getmainargs __initenv __iob_func __set_app_type __setusermatherr _amsg_exit _cexit _commode _exit _fmode _fpreset _initterm _onexit abort calloc exit fprintf free fwrite malloc memcmp memcpy memmove memset signal strlen strncmp vfprintf

ntdll

NtWriteFile RtlNtStatusToDosError

api-ms-win-core-synch-l1-2-0

WaitOnAddress WakeByAddressAll WakeByAddressSingle

Name

.text

Size

204KB

Virtual Size

203KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

1.2MB

Virtual Size

1.2MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

5KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

10KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

480B

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

4KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.CRT

Size

512B

Virtual Size

104B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

1024B

Virtual Size

920B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

1024B

Virtual Size

696B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-08-30_5604981eae66f7456ba6c3a05fab78f4_akira_cobalt-strike

PE Signature issue

kernel32

msvcrt

ntdll

api-ms-win-core-synch-l1-2-0

generic