AAct[.]exe | Triage

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General

Target

AAct.exe
Size

1.5MB
MD5

207d9d891ac756b2bfad88aba5682c65
SHA1

66fea8f3cd33b709d2b8df61bef87f5514c2dccc
SHA256

fed979f93bcaf4e73ebd25748093a92095d5109cbd01d55f97bdc50ce509ad2f
SHA512

756eb917ca120422b157ca0325ae3f6e7a8b4d059203a9bab7591961908ce5678ba50a3a38cc57d88c1baf0bd2041408779bbab78305fdac81280872c1499ea3
SSDEEP

49152:2MsfKqNyynyk9BkO2JgE+nfna2Uv+R7mi6TQ8hGFdEKy:vU5t2JgE+fna0RyiWQ8KdEKy

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

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

34:6f:ad:f1:79:f8:e3:77:ef:10:6c:ee:df:78:1b:86:9d:66:9d:20:62:a8:46:65:22:5d:60:e8:4b:93:51:b9
Signer

Actual PE Digest

34:6f:ad:f1:79:f8:e3:77:ef:10:6c:ee:df:78:1b:86:9d:66:9d:20:62:a8:46:65:22:5d:60:e8:4b:93:51:b9

Digest Algorithm

sha256

PE Digest Matches

true

69:2d:c3:c7:43:3c:84:b7:3a:97:56:a6:57:98:9b:95:26:81:49:27
Signer

Actual PE Digest

69:2d:c3:c7:43:3c:84:b7:3a:97:56:a6:57:98:9b:95:26:81:49:27

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: 68KB - 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

.text
Size: 546KB - Virtual size: 545KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 112KB - Virtual size: 111KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.eh_fram
Size: 5KB - Virtual size: 5KB

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

34:6f:ad:f1:79:f8:e3:77:ef:10:6c:ee:df:78:1b:86:9d:66:9d:20:62:a8:46:65:22:5d:60:e8:4b:93:51:b9Signer

69:2d:c3:c7:43:3c:84:b7:3a:97:56:a6:57:98:9b:95:26:81:49:27Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.4MB

UPX1 Size: 1.5MB - Virtual size: 1.5MB

.rsrc Size: 68KB - Virtual size: 72KB

Headers

File Characteristics

Sections

.text Size: 546KB - Virtual size: 545KB

.rdata Size: 112KB - Virtual size: 111KB

.eh_fram Size: 5KB - Virtual size: 5KB

.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

34:6f:ad:f1:79:f8:e3:77:ef:10:6c:ee:df:78:1b:86:9d:66:9d:20:62:a8:46:65:22:5d:60:e8:4b:93:51:b9
Signer

69:2d:c3:c7:43:3c:84:b7:3a:97:56:a6:57:98:9b:95:26:81:49:27
Signer

UPX0
Size: - Virtual size: 1.4MB

UPX1
Size: 1.5MB - Virtual size: 1.5MB

.rsrc
Size: 68KB - Virtual size: 72KB

.text
Size: 546KB - Virtual size: 545KB

.rdata
Size: 112KB - Virtual size: 111KB

.eh_fram
Size: 5KB - Virtual size: 5KB

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

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

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