BrJarPacker[.]exe

Sharing

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General

Target

BrJarPacker.exe
Size

4.6MB
MD5

5364614c72514b3e9f19b148ae716851
SHA1

2ee514eab69dafa410317e42bab5a7b20124b8da
SHA256

17a00ed1f203e888ab3311372ffd7632dc2cf808445189e49b9e08182a5387ec
SHA512

fc38ac4d3b08781b62547abf2e6938aebec565f27f9bbffe4a3b472a36505bda3be688ae98a8c90f216bd9b9e6276fa51c90d9b54aac8808de7f0a327095bb82
SSDEEP

98304:bMMGyVyGHAeBuut+aFNnUnybZ9m4aKbxabdDkTLduupaQBtPhsSXxfNJJkz:bxtlH+aFFUnug4okT9hscFJGz

Score

3^/10

pyinstaller

Malware Config

Signatures

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Files

BrJarPacker.exe
.exe windows x86

4e3e7ce958acceeb80e70eeb7d75870e

Code Sign

61:1c:b2:8a:00:00:00:00:00:26
Certificate

Issuer

CN=Microsoft Code Verification Root,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15/04/2011, 19:41

Not After

15/04/2021, 19:51

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

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

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:c8:8c:60:4a:f3:da:e0:0e:94:c9:ea:7c:fa:7f:fd
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

14/02/2019, 00:00

Not After

17/02/2021, 12:00

Subject

CN=Bromium\, Inc.,O=Bromium\, Inc.,L=Cupertino,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

09:c0:fc:46:c8:04:42:13:b5:59:8b:af:28:4f:4e:41
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

04/01/2017, 00:00

Not After

18/01/2028, 00:00

Subject

CN=DigiCert SHA2 Timestamp Responder,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

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

Not Before

07/01/2016, 12:00

Not After

07/01/2031, 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

63:73:40:55:d2:e8:c2:57:47:bf:40:2b:eb:40:c4:2c:81:be:16:57:b8:08:58:73:e8:33:1e:42:6e:2b:b4:fd
Signer

Actual PE Digest

63:73:40:55:d2:e8:c2:57:47:bf:40:2b:eb:40:c4:2c:81:be:16:57:b8:08:58:73:e8:33:1e:42:6e:2b:b4:fd

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Bromium\, Inc.,O=Bromium\, Inc.,L=Cupertino,ST=California,C=US

26/06/2019, 18:14
Valid: true

Chain 1

CN=Bromium\, Inc.,O=Bromium\, Inc.,L=Cupertino,ST=California,C=US

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

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

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

CreateProcessW
DeleteCriticalSection
EnterCriticalSection
ExpandEnvironmentStringsW
FormatMessageA
GetCommandLineW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentVariableW
GetExitCodeProcess
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetProcAddress
GetShortPathNameW
GetStartupInfoW
GetSystemTimeAsFileTime
GetTempPathW
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
SetDllDirectoryW
SetEnvironmentVariableW
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte

msvcrt

__argc
__dllonexit
__lconv_init
__set_app_type
__setusermatherr
__wargv
__wgetmainargs
__winitenv
_amsg_exit
_cexit
_findclose
_fileno
_fmode
_fullpath
_get_osfhandle
_getpid
_initterm
_iob
_lock
_onexit
_setmode
_stat
_strdup
_unlock
_vsnprintf
_vsnwprintf
_wcmdln
_wfindfirst
_wfindnext
_wfopen
_wmkdir
_wremove
_wrmdir
_wstat
_wtempnam
abort
calloc
clearerr
exit
fclose
feof
ferror
fflush
fprintf
fread
free
fseek
ftell
fwrite
getenv
malloc
mbstowcs
memcpy
setbuf
setlocale
signal
sprintf
strcat
strchr
strcmp
strcpy
strlen
strncat
strncmp
strncpy
strrchr
strtok
vfprintf
wcscat
wcscmp
wcscpy
wcslen

ws2_32

ntohl

Sections

.text
Size: 39KB - Virtual size: 39KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 52B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 49KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 52B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 59KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

4e3e7ce958acceeb80e70eeb7d75870e

Code Sign

61:1c:b2:8a:00:00:00:00:00:26Certificate

Key Usages

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

0e:c8:8c:60:4a:f3:da:e0:0e:94:c9:ea:7c:fa:7f:fdCertificate

Extended Key Usages

Key Usages

09:c0:fc:46:c8:04:42:13:b5:59:8b:af:28:4f:4e:41Certificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

63:73:40:55:d2:e8:c2:57:47:bf:40:2b:eb:40:c4:2c:81:be:16:57:b8:08:58:73:e8:33:1e:42:6e:2b:b4:fdSigner

Signature Validations

Verification

26/06/2019, 18:14 Valid: true

Chain 1

Headers

File Characteristics

Imports

kernel32

msvcrt

ws2_32

Sections

.text Size: 39KB - Virtual size: 39KB

.data Size: 512B - Virtual size: 52B

.rdata Size: 20KB - Virtual size: 19KB

.bss Size: - Virtual size: 49KB

.idata Size: 3KB - Virtual size: 2KB

.CRT Size: 512B - Virtual size: 52B

.tls Size: 512B - Virtual size: 32B

.rsrc Size: 59KB - Virtual size: 58KB

61:1c:b2:8a:00:00:00:00:00:26
Certificate

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

0e:c8:8c:60:4a:f3:da:e0:0e:94:c9:ea:7c:fa:7f:fd
Certificate

09:c0:fc:46:c8:04:42:13:b5:59:8b:af:28:4f:4e:41
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

63:73:40:55:d2:e8:c2:57:47:bf:40:2b:eb:40:c4:2c:81:be:16:57:b8:08:58:73:e8:33:1e:42:6e:2b:b4:fd
Signer

26/06/2019, 18:14
Valid: true

.text
Size: 39KB - Virtual size: 39KB

.data
Size: 512B - Virtual size: 52B

.rdata
Size: 20KB - Virtual size: 19KB

.bss
Size: - Virtual size: 49KB

.idata
Size: 3KB - Virtual size: 2KB

.CRT
Size: 512B - Virtual size: 52B

.tls
Size: 512B - Virtual size: 32B

.rsrc
Size: 59KB - Virtual size: 58KB