Policy details and requirements for application during working time - Salary and benefit contract AF6[.]exe

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General

Target

Policy details and requirements for application during working time - Salary and benefit contract AF6.exe
Size

2.1MB
MD5

15b194d585387d2ffd2a402b51587413
SHA1

91b61e1b3d09ab6c7f07569ba257b2d59dd81079
SHA256

53ca9ce9a95d4e55ff43cc494386218c9a69e8420e0a31b25f82f9a76ac54481
SHA512

5f24a508c99578365f1fbf9ade58026cf50388906fb645107fff37fa26963e297442289e0d105ecdc5c0cd21f87b0726f11f5030f08bb6e9fcc5a9bd55e92ec9
SSDEEP

49152:NQV9By+36+u8WKMccTMLe3cZknV/aR1diJymrnXE9MCqp:Crs+q+u7KMccTYe3cm8fiTrnXA2

Score

7^/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

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/out.upx

Files

Policy details and requirements for application during working time - Salary and benefit contract AF6.exe
.exe windows:6 windows x64 arch:x64

Code Sign

37:74:43:4f:9e:b4:0e:22:1f:92:36:ca:1f:2f:27:17
Certificate

Issuer

CN=Sectigo Public Code Signing Root E46,O=Sectigo Limited,C=GB

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

CN=Sectigo Public Code Signing CA EV E36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

d5:b3:60:02:89:59:a2:7f:84:65:c9:e6:b1:8d:ba:cb
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

28/02/2023, 00:00

Not After

31/12/2028, 23:59

Subject

CN=Sectigo Public Code Signing Root E46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

aa:a3:cc:a4:e7:a4:bb:b6:c7:65:1d:c6:ac:bf:bf:69
Certificate

Issuer

CN=Sectigo Public Code Signing CA EV E36,O=Sectigo Limited,C=GB

Not Before

13/11/2023, 00:00

Not After

25/10/2024, 23:59

Subject

SERIALNUMBER=0318028511,CN=CONG TY TNHH HINDUCK MEDIA,O=CONG TY TNHH HINDUCK MEDIA,ST=Ho Chi Minh,C=VN,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#1302564e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

Issuer

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

Not Before

03/05/2023, 00:00

Not After

02/08/2034, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #4,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

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

4b:70:2b:af:f8:09:8e:8f:cb:67:ed:b0:29:81:1a:a1:01:64:ff:c5:3f:1d:c0:61:f9:fa:37:90:5a:df:a4:80
Signer

Actual PE Digest

4b:70:2b:af:f8:09:8e:8f:cb:67:ed:b0:29:81:1a:a1:01:64:ff:c5:3f:1d:c0:61:f9:fa:37:90:5a:df:a4:80

Digest Algorithm

sha256

PE Digest Matches

true

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

Sections

UPX0
Size: - Virtual size: 5.9MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 2.0MB - Virtual size: 2.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 55KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:6 windows x64 arch: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_LARGE_ADDRESS_AWARE

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 3.5MB - Virtual size: 3.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 342KB - Virtual size: 341KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 52KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 155B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 640B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 109B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 187KB - Virtual size: 187KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.pdata
Size: 201KB - Virtual size: 201KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3.4MB - Virtual size: 3.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

37:74:43:4f:9e:b4:0e:22:1f:92:36:ca:1f:2f:27:17Certificate

Extended Key Usages

Key Usages

d5:b3:60:02:89:59:a2:7f:84:65:c9:e6:b1:8d:ba:cbCertificate

Extended Key Usages

Key Usages

aa:a3:cc:a4:e7:a4:bb:b6:c7:65:1d:c6:ac:bf:bf:69Certificate

Extended Key Usages

Key Usages

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4Certificate

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

4b:70:2b:af:f8:09:8e:8f:cb:67:ed:b0:29:81:1a:a1:01:64:ff:c5:3f:1d:c0:61:f9:fa:37:90:5a:df:a4:80Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 5.9MB

UPX1 Size: 2.0MB - Virtual size: 2.0MB

.rsrc Size: 55KB - Virtual size: 56KB

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

.text Size: 3.5MB - Virtual size: 3.5MB

.data Size: 342KB - Virtual size: 341KB

.bss Size: - Virtual size: 52KB

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

.didata Size: 4KB - Virtual size: 4KB

.edata Size: 512B - Virtual size: 155B

.tls Size: - Virtual size: 640B

.rdata Size: 512B - Virtual size: 109B

.reloc Size: 187KB - Virtual size: 187KB

.pdata Size: 201KB - Virtual size: 201KB

.rsrc Size: 3.4MB - Virtual size: 3.4MB

37:74:43:4f:9e:b4:0e:22:1f:92:36:ca:1f:2f:27:17
Certificate

d5:b3:60:02:89:59:a2:7f:84:65:c9:e6:b1:8d:ba:cb
Certificate

aa:a3:cc:a4:e7:a4:bb:b6:c7:65:1d:c6:ac:bf:bf:69
Certificate

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

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

4b:70:2b:af:f8:09:8e:8f:cb:67:ed:b0:29:81:1a:a1:01:64:ff:c5:3f:1d:c0:61:f9:fa:37:90:5a:df:a4:80
Signer

UPX0
Size: - Virtual size: 5.9MB

UPX1
Size: 2.0MB - Virtual size: 2.0MB

.rsrc
Size: 55KB - Virtual size: 56KB

.text
Size: 3.5MB - Virtual size: 3.5MB

.data
Size: 342KB - Virtual size: 341KB

.bss
Size: - Virtual size: 52KB

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

.didata
Size: 4KB - Virtual size: 4KB

.edata
Size: 512B - Virtual size: 155B

.tls
Size: - Virtual size: 640B

.rdata
Size: 512B - Virtual size: 109B

.reloc
Size: 187KB - Virtual size: 187KB

.pdata
Size: 201KB - Virtual size: 201KB

.rsrc
Size: 3.4MB - Virtual size: 3.4MB