bf4b076bc99d08b1d1982554e3cd48974a993a3fd33f3548baee613b22a7d146

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General

Target

bf4b076bc99d08b1d1982554e3cd48974a993a3fd33f3548baee613b22a7d146
Size

2.9MB
MD5

12e271e1183f277ef8dc7de45db20091
SHA1

47d70425502858873af5914a53ce0fe985f2d3d8
SHA256

bf4b076bc99d08b1d1982554e3cd48974a993a3fd33f3548baee613b22a7d146
SHA512

539a91e5f9f6b4c3d01f95cd22a55c57b2f0f0676a9c4b8f98cf84865fe969e195cc5614250e55025491d55e82094d11c549a158c7f5596c75da61fb6d7297db
SSDEEP

49152:kUc1ddML76sVG1x7IQiyqhTBT3Ung7gFEQgC4P/3Ua4o2eYd+84mEJWYOb+nVEuO:kUcD+XYxM7hTVqYgCWEv4VeSkmEJGaVq

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

bf4b076bc99d08b1d1982554e3cd48974a993a3fd33f3548baee613b22a7d146
.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

39:4c:7e:b4:5c:e2:b0:de:1d:69:ed:1c:bd:a3:d0:fa:04:ce:b6:21:57:42:ee:fd:4c:fe:66:29:a3:77:4a:b7
Signer

Actual PE Digest

39:4c:7e:b4:5c:e2:b0:de:1d:69:ed:1c:bd:a3:d0:fa:04:ce:b6:21:57:42:ee:fd:4c:fe:66:29:a3:77:4a:b7

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=www.esteemed.com

04/11/2022, 15:41
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: 4.9MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 2.9MB - Virtual size: 2.9MB

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: 3.9MB - Virtual size: 3.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 261KB - Virtual size: 260KB

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: 53KB - Virtual size: 53KB

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

39:4c:7e:b4:5c:e2:b0:de:1d:69:ed:1c:bd:a3:d0:fa:04:ce:b6:21:57:42:ee:fd:4c:fe:66:29:a3:77:4a:b7Signer

Signature Validations

Verification

04/11/2022, 15:41 Valid: false

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 4.9MB

UPX1 Size: 2.9MB - Virtual size: 2.9MB

UPX2 Size: 512B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

.text Size: 3.9MB - Virtual size: 3.9MB

.data Size: 261KB - Virtual size: 260KB

.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: 53KB - Virtual size: 53KB

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

39:4c:7e:b4:5c:e2:b0:de:1d:69:ed:1c:bd:a3:d0:fa:04:ce:b6:21:57:42:ee:fd:4c:fe:66:29:a3:77:4a:b7
Signer

04/11/2022, 15:41
Valid: false

UPX0
Size: - Virtual size: 4.9MB

UPX1
Size: 2.9MB - Virtual size: 2.9MB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 3.9MB - Virtual size: 3.9MB

.data
Size: 261KB - Virtual size: 260KB

.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: 53KB - Virtual size: 53KB