AAct[.]exe | Triage

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General

Target

AAct.exe
Size

1.6MB
MD5

787a852524607c5ab98d9dfd1a470fc4
SHA1

b30c9106c26bc10361f9e9f221d99f4d0ca49ab3
SHA256

b78de5c5d44039674920029229d1fb9c9146619b72c05cd54ff8892609f1f1ea
SHA512

a9fefe35e4da1eee8801ec50d9d3ff3f2c8c983d8c8f7c514c9f71d2637e4961b6b414de953ce94d0350a3079d709dd38d74a47356094865ce4bdcc53a5c6123
SSDEEP

49152:2iVoHb9ZTu04Poepi1sUlF8hn3X3nPlChhkYLLXqOcD+Nx:2i27nu0kpi1sU/sn3chhkYHq9Dwx

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

AAct.exe
.exe windows:4 windows x86 arch: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

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

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

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

8d:f6:89:2a:27:2f:36:04:95:cd:b9:7e:8b:3a:6e:fa:f1:ca:4f:48:6b:ab:ca:6b:ba:f5:38:e1:68:5f:fb:38
Signer

Actual PE Digest

8d:f6:89:2a:27:2f:36:04:95:cd:b9:7e:8b:3a:6e:fa:f1:ca:4f:48:6b:ab:ca:6b:ba:f5:38:e1:68:5f:fb:38

Digest Algorithm

sha256

PE Digest Matches

true

66:c2:cb:0d:c8:5d:c5:94:a4:4c:11:b1:de:ba:66:47:f5:6d:0d:29
Signer

Actual PE Digest

66:c2:cb:0d:c8:5d:c5:94:a4:4c:11:b1:de:ba:66:47:f5:6d:0d:29

Digest Algorithm

sha1

PE Digest Matches

true

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:4 windows x86 arch: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: 157KB - Virtual size: 157KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 489KB - Virtual size: 488KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 120KB - Virtual size: 120KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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

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

Extended Key Usages

Key Usages

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

Extended 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

8d:f6:89:2a:27:2f:36:04:95:cd:b9:7e:8b:3a:6e:fa:f1:ca:4f:48:6b:ab:ca:6b:ba:f5:38:e1:68:5f:fb:38Signer

66:c2:cb:0d:c8:5d:c5:94:a4:4c:11:b1:de:ba:66:47:f5:6d:0d:29Signer

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: 157KB - Virtual size: 157KB

.text Size: 489KB - Virtual size: 488KB

.rdata Size: 120KB - Virtual size: 120KB

.data Size: 2.1MB - Virtual size: 2.1MB

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

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

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

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

8d:f6:89:2a:27:2f:36:04:95:cd:b9:7e:8b:3a:6e:fa:f1:ca:4f:48:6b:ab:ca:6b:ba:f5:38:e1:68:5f:fb:38
Signer

66:c2:cb:0d:c8:5d:c5:94:a4:4c:11:b1:de:ba:66:47:f5:6d:0d:29
Signer

UPX0
Size: - Virtual size: 1.4MB

UPX1
Size: 1.5MB - Virtual size: 1.5MB

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

.code
Size: 157KB - Virtual size: 157KB

.text
Size: 489KB - Virtual size: 488KB

.rdata
Size: 120KB - Virtual size: 120KB

.data
Size: 2.1MB - Virtual size: 2.1MB

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