AAct[.]exe | Triage

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General

Target

AAct.exe
Size

1.4MB
MD5

bbfe9654f535ef390d70904cf7313eeb
SHA1

798978628536a1a9a47fd03ab36eee6b9a9096c9
SHA256

04777d3a34cc6fe5304f8eb387167295a1b2f05991fa21f5404f9e3f33c4ac46
SHA512

3d14bd1caedea569bee8d6edb15af7edfa4d8ff8c4bf1e16d7391f3871811107276ba7452e21945eb3b68acc6a121651d5b6860981187dee83fa214aad359ef2
SSDEEP

24576:qNOAqvoPaubmoE9MaRFK+/0N4CirU4kWRXsyvzuD5SSOqWfueyjTxJpLsk38bgkm:oOAmoP1teRRUQ0N4JrBkK1ruDwqWfuDZ

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 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

16:88:f0:39:25:5e:63:8e:69:14:39:07:e6:33:0b
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

31/12/2015, 00:00

Not After

09/07/2019, 18:40

Subject

CN=COMODO SHA-1 Time Stamping Signer,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

1a:05:da:b8:f0:7a:e8:40:be:ad:78:fe:b2:55:a8:74
Certificate

Issuer

CN=WZTeam

Not Before

10/03/2017, 18:02

Not After

31/12/2039, 23:59

Subject

CN=WZTeam

4e:b0:87:8f:cc:24:35:36:b2:d8:c9:f7:bf:39:55:77
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

31/12/2015, 00:00

Not After

09/07/2019, 18:40

Subject

CN=COMODO SHA-256 Time Stamping Signer,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

18:02:21:6f:dc:54:a0:20:65:2a:51:f8:54:03:86:cc:e0:e9:b7:5b:49:3a:9d:e9:66:f7:c3:44:2a:d3:c2:5e
Signer

Actual PE Digest

18:02:21:6f:dc:54:a0:20:65:2a:51:f8:54:03:86:cc:e0:e9:b7:5b:49:3a:9d:e9:66:f7:c3:44:2a:d3:c2:5e

Digest Algorithm

sha256

PE Digest Matches

true

0a:72:6d:fb:12:91:26:44:33:12:fd:9c:f7:c6:47:9e:29:b4:a1:81
Signer

Actual PE Digest

0a:72:6d:fb:12:91:26:44:33:12:fd:9c:f7:c6:47:9e:29:b4:a1:81

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: 1.3MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.3MB - Virtual size: 1.3MB

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: 115KB - Virtual size: 114KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 471KB - Virtual size: 470KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 103KB - Virtual size: 103KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1.8MB - Virtual size: 1.8MB

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

16:88:f0:39:25:5e:63:8e:69:14:39:07:e6:33:0bCertificate

Extended Key Usages

Key Usages

1a:05:da:b8:f0:7a:e8:40:be:ad:78:fe:b2:55:a8:74Certificate

4e:b0:87:8f:cc:24:35:36:b2:d8:c9:f7:bf:39:55:77Certificate

Extended Key Usages

Key Usages

18:02:21:6f:dc:54:a0:20:65:2a:51:f8:54:03:86:cc:e0:e9:b7:5b:49:3a:9d:e9:66:f7:c3:44:2a:d3:c2:5eSigner

0a:72:6d:fb:12:91:26:44:33:12:fd:9c:f7:c6:47:9e:29:b4:a1:81Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 1.3MB

UPX1 Size: 1.3MB - Virtual size: 1.3MB

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

Headers

File Characteristics

Sections

.code Size: 115KB - Virtual size: 114KB

.text Size: 471KB - Virtual size: 470KB

.rdata Size: 103KB - Virtual size: 103KB

.data Size: 1.8MB - Virtual size: 1.8MB

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

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

16:88:f0:39:25:5e:63:8e:69:14:39:07:e6:33:0b
Certificate

1a:05:da:b8:f0:7a:e8:40:be:ad:78:fe:b2:55:a8:74
Certificate

4e:b0:87:8f:cc:24:35:36:b2:d8:c9:f7:bf:39:55:77
Certificate

18:02:21:6f:dc:54:a0:20:65:2a:51:f8:54:03:86:cc:e0:e9:b7:5b:49:3a:9d:e9:66:f7:c3:44:2a:d3:c2:5e
Signer

0a:72:6d:fb:12:91:26:44:33:12:fd:9c:f7:c6:47:9e:29:b4:a1:81
Signer

UPX0
Size: - Virtual size: 1.3MB

UPX1
Size: 1.3MB - Virtual size: 1.3MB

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

.code
Size: 115KB - Virtual size: 114KB

.text
Size: 471KB - Virtual size: 470KB

.rdata
Size: 103KB - Virtual size: 103KB

.data
Size: 1.8MB - Virtual size: 1.8MB

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