AAct[.]exe | Triage

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General

Target

AAct.exe
Size

1.6MB
MD5

8bf4e99540b95ac2ee65341e91d0999c
SHA1

3ee9ff67a2c51690f457161f30c1902d9ba3b093
SHA256

1d93fba37bf77d2511315953c93ac7a0680a2816bbf433dff538d97b08c2da57
SHA512

319a4580d545f32ad820c3253923fa19c661d87018394ce4f250415c60b5cd09942468c9bcf728afc226a8464068429b0e9f49173fba75fc869e7406d9bf67fc
SSDEEP

49152:rutP8qdzR2LPqjPWn/nQglRu0I6tFqx3F:rAXzGqjPW/hlksFqlF

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

AAct.exe
.exe windows x86

Code Sign

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

Issuer

CN=WZTeam

Not Before

02/11/2016, 18:47

Not After

31/12/2039, 23:59

Subject

CN=WZTeam

Extended Key Usages

ExtKeyUsageCodeSigning

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

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6b
Certificate

Issuer

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

Not Before

23/10/2020, 00:00

Not After

22/01/2032, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #2,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

Issuer

CN=WZTeam

Not Before

02/11/2016, 18:47

Not After

31/12/2039, 23:59

Subject

CN=WZTeam

Extended Key Usages

ExtKeyUsageCodeSigning

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6b
Certificate

Issuer

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

Not Before

23/10/2020, 00:00

Not After

22/01/2032, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #2,O=Sectigo Limited,L=Salford,ST=Greater 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

d5:46:a1:b6:08:aa:30:8f:a5:ef:d0:0a:b9:3b:76:5c:fb:39:08:93:fa:ca:49:3d:7e:e3:b2:6c:8e:78:6b:d0
Signer

Actual PE Digest

d5:46:a1:b6:08:aa:30:8f:a5:ef:d0:0a:b9:3b:76:5c:fb:39:08:93:fa:ca:49:3d:7e:e3:b2:6c:8e:78:6b:d0

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=WZTeam

23/09/2022, 10:48
Valid: false

b8:50:d4:b1:02:a1:1b:65:ad:ab:bd:70:c7:42:79:2b:f8:58:39:b6
Signer

Actual PE Digest

b8:50:d4:b1:02:a1:1b:65:ad:ab:bd:70:c7:42:79:2b:f8:58:39:b6

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=WZTeam

23/09/2022, 10:48
Valid: false

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 1.4MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 69KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Sections

.code
Size: 117KB - Virtual size: 116KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 661KB - Virtual size: 660KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 163KB - Virtual size: 162KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 68KB - Virtual size: 67KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9eCertificate

Extended Key Usages

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

Extended Key Usages

Key Usages

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6bCertificate

Extended Key Usages

Key Usages

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9eCertificate

Extended Key Usages

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6bCertificate

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

d5:46:a1:b6:08:aa:30:8f:a5:ef:d0:0a:b9:3b:76:5c:fb:39:08:93:fa:ca:49:3d:7e:e3:b2:6c:8e:78:6b:d0Signer

Signature Validations

Verification

23/09/2022, 10:48 Valid: false

b8:50:d4:b1:02:a1:1b:65:ad:ab:bd:70:c7:42:79:2b:f8:58:39:b6Signer

Signature Validations

Verification

23/09/2022, 10:48 Valid: false

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.4MB

UPX1 Size: 1.5MB - Virtual size: 1.5MB

.rsrc Size: 69KB - Virtual size: 72KB

Headers

File Characteristics

Sections

.code Size: 117KB - Virtual size: 116KB

.text Size: 661KB - Virtual size: 660KB

.rdata Size: 163KB - Virtual size: 162KB

.data Size: 1.9MB - Virtual size: 1.9MB

.rsrc Size: 68KB - Virtual size: 67KB

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

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

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6b
Certificate

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6b
Certificate

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

d5:46:a1:b6:08:aa:30:8f:a5:ef:d0:0a:b9:3b:76:5c:fb:39:08:93:fa:ca:49:3d:7e:e3:b2:6c:8e:78:6b:d0
Signer

23/09/2022, 10:48
Valid: false

b8:50:d4:b1:02:a1:1b:65:ad:ab:bd:70:c7:42:79:2b:f8:58:39:b6
Signer

23/09/2022, 10:48
Valid: false

UPX0
Size: - Virtual size: 1.4MB

UPX1
Size: 1.5MB - Virtual size: 1.5MB

.rsrc
Size: 69KB - Virtual size: 72KB

.code
Size: 117KB - Virtual size: 116KB

.text
Size: 661KB - Virtual size: 660KB

.rdata
Size: 163KB - Virtual size: 162KB

.data
Size: 1.9MB - Virtual size: 1.9MB

.rsrc
Size: 68KB - Virtual size: 67KB