AAct[.]exe | Triage

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General

Target

AAct.exe
Size

1.6MB
MD5

e41ae00985e350137ddd9c1280f04fc3
SHA1

d32a050b534f0ac5f8e6e9780e98f39e7aaf460a
SHA256

ecd31e50ff35f41fbacf4b3c39901d5a2c9d4ae64b0c0385d661b1fd8b00481f
SHA512

0a3728a6046dc2e411fbf6918f86ddb5f53686d704fe447fe2ec40e876abc87c413eaa0fda811b2816d8f79deef4ab4a3d5e3d8f76773cef92f8a0134ad6cc86
SSDEEP

49152:ENYemzlZ5Nnfto1LY8M11MvtKs5JcrKaVKaFq:aUZ5Nn6tY8GUgYEKoKaFq

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

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

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

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

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

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

d6:6f:07:5f:b6:5e:ec:51:da:1b:ee:ff:cd:c4:3c:5c:61:d5:31:aa:a1:b8:c7:7f:a5:e5:11:59:76:95:3d:e3
Signer

Actual PE Digest

d6:6f:07:5f:b6:5e:ec:51:da:1b:ee:ff:cd:c4:3c:5c:61:d5:31:aa:a1:b8:c7:7f:a5:e5:11:59:76:95:3d:e3

Digest Algorithm

sha256

PE Digest Matches

true

d0:49:6b:7d:43:e6:89:84:24:77:ea:52:4b:29:81:00:f6:e3:4e:74
Signer

Actual PE Digest

d0:49:6b:7d:43:e6:89:84:24:77:ea:52:4b:29:81:00:f6:e3:4e:74

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

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

.text
Size: 622KB - Virtual size: 622KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 112KB - Virtual size: 112KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.eh_fram
Size: 7KB - Virtual size: 6KB

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

.drectve
Size: 512B - Virtual size: 32B

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

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

Extended Key Usages

Key Usages

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

Extended Key Usages

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

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

d6:6f:07:5f:b6:5e:ec:51:da:1b:ee:ff:cd:c4:3c:5c:61:d5:31:aa:a1:b8:c7:7f:a5:e5:11:59:76:95:3d:e3Signer

d0:49:6b:7d:43:e6:89:84:24:77:ea:52:4b:29:81:00:f6:e3:4e:74Signer

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

.text Size: 622KB - Virtual size: 622KB

.rdata Size: 112KB - Virtual size: 112KB

.eh_fram Size: 7KB - Virtual size: 6KB

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

.drectve Size: 512B - Virtual size: 32B

.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

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

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

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

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

d6:6f:07:5f:b6:5e:ec:51:da:1b:ee:ff:cd:c4:3c:5c:61:d5:31:aa:a1:b8:c7:7f:a5:e5:11:59:76:95:3d:e3
Signer

d0:49:6b:7d:43:e6:89:84:24:77:ea:52:4b:29:81:00:f6:e3:4e:74
Signer

UPX0
Size: - Virtual size: 1.4MB

UPX1
Size: 1.5MB - Virtual size: 1.5MB

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

.text
Size: 622KB - Virtual size: 622KB

.rdata
Size: 112KB - Virtual size: 112KB

.eh_fram
Size: 7KB - Virtual size: 6KB

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

.drectve
Size: 512B - Virtual size: 32B

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