b8cef5399613da51813646024323369dd10ce8a86c8e15ea253cebf0e2f6c00e

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General

Target

b8cef5399613da51813646024323369dd10ce8a86c8e15ea253cebf0e2f6c00e
Size

2.8MB
MD5

315b60bc625655ff388a8666a8cbd838
SHA1

6e74d0d6ddf0e8dec1a60ce37a9c768d943b3467
SHA256

b8cef5399613da51813646024323369dd10ce8a86c8e15ea253cebf0e2f6c00e
SHA512

9795ebba8c332c68b287eeb89f807509dff55515f47d14a0b9f0e394be1a466456b6a19c9a06ffb6e2ec9d1b121b17cb559958712e4216b2716d1e20e3d71787
SSDEEP

49152:s02e3b3yCWpeto3zEa6H/wVz7stFHRBmhS9oS1C0aRy8NUifEpRubOn:sZeOCWf3wa6H/gzgtVm3Dy7Rubu

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Files

b8cef5399613da51813646024323369dd10ce8a86c8e15ea253cebf0e2f6c00e
.exe windows x64

Code Sign

78:43:34:75:fd:e2:44:93:4b:9a:59:6f:29:b3:5d:83
Certificate

Issuer

CN=www.esteemed.com

Not Before

26/10/2022, 18:39

Not After

26/10/2023, 18:59

Subject

CN=www.esteemed.com

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

11/05/2022, 00:00

Not After

10/08/2033, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #3,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

d9:fd:b1:b3:80:12:a9:80:b9:49:25:4f:96:5a:e6:da:c9:59:17:20:87:2e:dc:eb:23:c5:90:0d:6d:b3:db:f3
Signer

Actual PE Digest

d9:fd:b1:b3:80:12:a9:80:b9:49:25:4f:96:5a:e6:da:c9:59:17:20:87:2e:dc:eb:23:c5:90:0d:6d:b3:db:f3

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=www.esteemed.com

28/10/2022, 15:08
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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Sections

UPX0
Size: - Virtual size: 5.1MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 2.8MB - Virtual size: 2.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX2
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x64

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Exports

Exports

_cgo_dummy_export
authorizerTrampoline
callbackTrampoline
commitHookTrampoline
compareTrampoline
doneTrampoline
preUpdateHookTrampoline
rollbackHookTrampoline
stepTrampoline
updateHookTrampoline

Sections

.text
Size: 4.0MB - Virtual size: 4.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 261KB - Virtual size: 261KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 3.1MB - Virtual size: 3.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 24KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 25KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 386KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 345B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 104B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 54KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

78:43:34:75:fd:e2:44:93:4b:9a:59:6f:29:b3:5d:83Certificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43Certificate

Extended Key Usages

Key Usages

d9:fd:b1:b3:80:12:a9:80:b9:49:25:4f:96:5a:e6:da:c9:59:17:20:87:2e:dc:eb:23:c5:90:0d:6d:b3:db:f3Signer

Signature Validations

Verification

28/10/2022, 15:08 Valid: false

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 5.1MB

UPX1 Size: 2.8MB - Virtual size: 2.8MB

UPX2 Size: 512B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

.text Size: 4.0MB - Virtual size: 4.0MB

.data Size: 261KB - Virtual size: 261KB

.rdata Size: 3.1MB - Virtual size: 3.1MB

.pdata Size: 24KB - Virtual size: 23KB

.xdata Size: 25KB - Virtual size: 25KB

.bss Size: - Virtual size: 386KB

.edata Size: 512B - Virtual size: 345B

.idata Size: 6KB - Virtual size: 5KB

.CRT Size: 512B - Virtual size: 104B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 54KB - Virtual size: 54KB

78:43:34:75:fd:e2:44:93:4b:9a:59:6f:29:b3:5d:83
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

d9:fd:b1:b3:80:12:a9:80:b9:49:25:4f:96:5a:e6:da:c9:59:17:20:87:2e:dc:eb:23:c5:90:0d:6d:b3:db:f3
Signer

28/10/2022, 15:08
Valid: false

UPX0
Size: - Virtual size: 5.1MB

UPX1
Size: 2.8MB - Virtual size: 2.8MB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 4.0MB - Virtual size: 4.0MB

.data
Size: 261KB - Virtual size: 261KB

.rdata
Size: 3.1MB - Virtual size: 3.1MB

.pdata
Size: 24KB - Virtual size: 23KB

.xdata
Size: 25KB - Virtual size: 25KB

.bss
Size: - Virtual size: 386KB

.edata
Size: 512B - Virtual size: 345B

.idata
Size: 6KB - Virtual size: 5KB

.CRT
Size: 512B - Virtual size: 104B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 54KB - Virtual size: 54KB