AppInstall[.]exe

Sharing

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General

Target

AppInstall.exe
Size

39.6MB
MD5

e9bc6070c764e38e4abe7faf68e20ca2
SHA1

ec1b0d714fd3f6984ed042a446f498143b555984
SHA256

f8a75f30227c5cef8d775cebe1ff3b8cadc435a38d3f5c38487a1fefe76a180c
SHA512

b88c39b03cf6b17562e332e55f64ddf3ee394bf2eab74a11c56d204b2687041992c76833909fb9c1389f313d59371d7f18fe59fafd7dbb917edc39e5c30fc856
SSDEEP

786432:PqwlHWraJN212h/uC/xaXQl2yxf7rF8+Q4Ez1p5945k:Sw9f3h/8QlPlu4Ez1z9Yk

Score

1^/10

Malware Config

Signatures

Files

AppInstall.exe
.exe windows x64

9bc17acbd19648dff2c0ac054e84c5e9

Code Sign

78:60:1e:a1:4d:de:a3:09:1e:60:17:ab:ab:bc:e9:e4:9c:b6:4d:b1
Certificate

Issuer

CN=Managed CA be01d1380b1dfc609c8031bde125167b,OU=www.cloudflare.com,O=Cloudflare\, Inc.,L=San Francisco,ST=California,C=US

Not Before

13/03/2023, 18:50

Not After

10/03/2033, 18:50

Subject

CN=Cloudflare,C=US

Extended Key Usages

ExtKeyUsageClientAuth

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

78:60:1e:a1:4d:de:a3:09:1e:60:17:ab:ab:bc:e9:e4:9c:b6:4d:b1
Certificate

Issuer

CN=Managed CA be01d1380b1dfc609c8031bde125167b,OU=www.cloudflare.com,O=Cloudflare\, Inc.,L=San Francisco,ST=California,C=US

Not Before

13/03/2023, 18:50

Not After

10/03/2033, 18:50

Subject

CN=Cloudflare,C=US

Extended Key Usages

ExtKeyUsageClientAuth

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

a3:86:fe:c4:f3:6a:fc:74:49:c1:8b:1a:1d:72:6c:0a:5e:91:7b:c7:64:e9:e4:f8:c3:91:72:b0:4a:6a:6f:80
Signer

Actual PE Digest

a3:86:fe:c4:f3:6a:fc:74:49:c1:8b:1a:1d:72:6c:0a:5e:91:7b:c7:64:e9:e4:f8:c3:91:72:b0:4a:6a:6f:80

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Cloudflare,C=US

17/03/2023, 09:56
Valid: false

2a:4d:eb:a9:15:ab:90:1b:4e:e1:82:99:19:74:35:f4:ac:31:b9:bf
Signer

Actual PE Digest

2a:4d:eb:a9:15:ab:90:1b:4e:e1:82:99:19:74:35:f4:ac:31:b9:bf

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Cloudflare,C=US

17/03/2023, 09:56
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

secur32

GetUserNameExW
FreeContextBuffer
DeleteSecurityContext
FreeCredentialsHandle
EncryptMessage
AcceptSecurityContext
InitializeSecurityContextW
DecryptMessage
ApplyControlToken
AcquireCredentialsHandleA
QueryContextAttributesW

bcrypt

BCryptGenRandom

kernel32

GetCurrentProcess
ReleaseMutex
GetEnvironmentVariableW
RtlLookupFunctionEntry
GetModuleHandleW
FormatMessageW
GetTempPathW
CreateFileW
GetFileInformationByHandle
GetFileInformationByHandleEx
DeleteCriticalSection
CreateDirectoryW
FindFirstFileW
FindClose
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
IsProcessorFeaturePresent
GetEnvironmentStringsW
FreeEnvironmentStringsW
CompareStringOrdinal
GetModuleFileNameW
GetSystemDirectoryW
GetWindowsDirectoryW
CreateProcessW
GetFileAttributesW
DuplicateHandle
GetCurrentProcessId
CreateNamedPipeW
CreateThread
ReadFileEx
SleepEx
WriteFileEx
SetFileCompletionNotificationModes
CreateEventW
LoadLibraryA
ReadFile
ExitProcess
QueryPerformanceCounter
QueryPerformanceFrequency
GetCurrentDirectoryW
WaitForSingleObjectEx
AcquireSRWLockShared
ReleaseSRWLockShared
PostQueuedCompletionStatus
TerminateProcess
SetUnhandledExceptionFilter
CreateIoCompletionPort
UnhandledExceptionFilter
CreateMutexA
RtlVirtualUnwind
InitializeCriticalSectionAndSpinCount
TlsAlloc
GetQueuedCompletionStatusEx
WriteConsoleW
ReleaseSRWLockExclusive
Sleep
GetModuleHandleA
RtlUnwindEx
TryAcquireSRWLockExclusive
GetFinalPathNameByHandleW
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
SwitchToThread
AcquireSRWLockExclusive
HeapReAlloc
HeapFree
GetProcessHeap
HeapAlloc
SetThreadStackGuarantee
AddVectoredExceptionHandler
SetLastError
GetSystemInfo
GetExitCodeProcess
WaitForSingleObject
GetLastError
GetOverlappedResult
EncodePointer
WaitForMultipleObjects
LoadLibraryExW
lstrlenW
RtlPcToFileHeader
GetConsoleMode
GetStdHandle
GetCurrentThread
CloseHandle
RaiseException
IsDebuggerPresent
SetHandleInformation
RtlCaptureContext
CancelIo
GetProcAddress
GetFullPathNameW

crypt32

CertEnumCertificatesInStore
CertFreeCertificateChain
CertAddCertificateContextToStore
CertCloseStore
CertVerifyCertificateChainPolicy
CertDuplicateCertificateContext
CertOpenStore
CertFreeCertificateContext
CertDuplicateCertificateChain
CertGetCertificateChain
CertDuplicateStore

shell32

SHGetKnownFolderPath

ole32

CoTaskMemFree

advapi32

RegOpenKeyExW
SystemFunction036
RegCloseKey
GetUserNameW
RegQueryValueExW

ws2_32

getaddrinfo
setsockopt
bind
WSASend
recv
freeaddrinfo
connect
ioctlsocket
WSASocketW
closesocket
WSAIoctl
WSAStartup
getsockopt
WSACleanup
getsockname
WSAGetLastError
getpeername
send
shutdown

ntdll

NtCreateFile
NtCancelIoFileEx
NtDeviceIoControlFile
RtlNtStatusToDosError

api-ms-win-crt-string-l1-1-0

strcpy_s
wcsncmp
strlen

api-ms-win-crt-utility-l1-1-0

_rotl64

api-ms-win-crt-heap-l1-1-0

free
_set_new_mode
malloc
calloc

api-ms-win-crt-runtime-l1-1-0

__p___argc
_exit
exit
_initterm_e
_register_thread_local_exe_atexit_callback
_get_initial_narrow_environment
terminate
_configure_narrow_argv
_c_exit
_set_app_type
_seh_filter_exe
_initialize_onexit_table
__p___argv
_initialize_narrow_environment
_register_onexit_function
abort
_initterm
_crt_atexit
_cexit

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-stdio-l1-1-0

_set_fmode
__p__commode

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Sections

.text
Size: 946KB - Virtual size: 946KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 460KB - Virtual size: 459KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 33KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9bc17acbd19648dff2c0ac054e84c5e9

Code Sign

78:60:1e:a1:4d:de:a3:09:1e:60:17:ab:ab:bc:e9:e4:9c:b6:4d:b1Certificate

Extended Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

78:60:1e:a1:4d:de:a3:09:1e:60:17:ab:ab:bc:e9:e4:9c:b6:4d:b1Certificate

Extended Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

a3:86:fe:c4:f3:6a:fc:74:49:c1:8b:1a:1d:72:6c:0a:5e:91:7b:c7:64:e9:e4:f8:c3:91:72:b0:4a:6a:6f:80Signer

Signature Validations

Verification

17/03/2023, 09:56 Valid: false

2a:4d:eb:a9:15:ab:90:1b:4e:e1:82:99:19:74:35:f4:ac:31:b9:bfSigner

Signature Validations

Verification

17/03/2023, 09:56 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

secur32

bcrypt

kernel32

crypt32

shell32

ole32

advapi32

ws2_32

ntdll

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

Sections

.text Size: 946KB - Virtual size: 946KB

.rdata Size: 460KB - Virtual size: 459KB

.data Size: 4KB - Virtual size: 6KB

.pdata Size: 33KB - Virtual size: 32KB

_RDATA Size: 512B - Virtual size: 348B

.reloc Size: 7KB - Virtual size: 6KB

.rsrc Size: 17KB - Virtual size: 16KB

78:60:1e:a1:4d:de:a3:09:1e:60:17:ab:ab:bc:e9:e4:9c:b6:4d:b1
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

78:60:1e:a1:4d:de:a3:09:1e:60:17:ab:ab:bc:e9:e4:9c:b6:4d:b1
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

a3:86:fe:c4:f3:6a:fc:74:49:c1:8b:1a:1d:72:6c:0a:5e:91:7b:c7:64:e9:e4:f8:c3:91:72:b0:4a:6a:6f:80
Signer

17/03/2023, 09:56
Valid: false

2a:4d:eb:a9:15:ab:90:1b:4e:e1:82:99:19:74:35:f4:ac:31:b9:bf
Signer

17/03/2023, 09:56
Valid: false

.text
Size: 946KB - Virtual size: 946KB

.rdata
Size: 460KB - Virtual size: 459KB

.data
Size: 4KB - Virtual size: 6KB

.pdata
Size: 33KB - Virtual size: 32KB

_RDATA
Size: 512B - Virtual size: 348B

.reloc
Size: 7KB - Virtual size: 6KB

.rsrc
Size: 17KB - Virtual size: 16KB