4041c8b956a1faf37b6f2e4beebdac71

Sharing

Copy URL Twitter E-mail

General

Target

4041c8b956a1faf37b6f2e4beebdac71
Size

673KB
MD5

4041c8b956a1faf37b6f2e4beebdac71
SHA1

389be6515e90940867521febcb0dbf639bc47d21
SHA256

5cb7f1229535e55c20bec5875f16349309a34bfb56ef2099f929055b5e7077c0
SHA512

fa20914602022d2dbc391bd22ecd52c89f7065bd606b1f279e5a952edc9feeaff991650fa6eeb4df5759d008f8e133b2f5b7cecf7d9f2dbf449ed743e77a70bc
SSDEEP

12288:bH4RIuUexGHGUjRMFW9G6nMsdkisY9gq/WAfvPwmr0RMNr7LwLltPkzY9y:bH4SuUmQGUqWbnxX9gIfHwRMh7kLPPW5

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

4041c8b956a1faf37b6f2e4beebdac71
.exe windows:4 windows x86 arch:x86

Code Sign

82:f6:74:38:66:7d:70:ef:bb:2c:bb:f9:03:f4:fb:72
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

03/11/2006, 00:00

Not After

02/11/2008, 23:59

Subject

CN=DREAMGROUP,O=DREAMGROUP,POSTALCODE=00152,STREET=po box 2331,L=roseau,ST=st. george,C=DM

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

44:be:0c:8b:50:00:24:b4:11:d3:36:2d:e0:b3:5f:1b
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

09/07/1999, 18:31

Not After

09/07/2019, 18:40

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment
KeyUsageCertSign
KeyUsageCRLSign

4f:63:d0:30:f8:15:a3:a5:b3:44:69:40:06:3d:16:89
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

17/05/2005, 00:00

Not After

16/05/2010, 23:59

Subject

CN=Comodo Time Stamping Signer,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

Signer

Actual PE Digest

Digest Algorithm

PE Digest Matches

false

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

UPX0
Size: - Virtual size: 828KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 632KB - Virtual size: 632KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 36KB - Virtual size: 40KB

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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

CODE
Size: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 21KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 103KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 36B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 70KB - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 154KB - Virtual size: 154KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

82:f6:74:38:66:7d:70:ef:bb:2c:bb:f9:03:f4:fb:72Certificate

Extended Key Usages

Key Usages

44:be:0c:8b:50:00:24:b4:11:d3:36:2d:e0:b3:5f:1bCertificate

Extended Key Usages

Key Usages

4f:63:d0:30:f8:15:a3:a5:b3:44:69:40:06:3d:16:89Certificate

Extended Key Usages

Key Usages

Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 828KB

UPX1 Size: 632KB - Virtual size: 632KB

.rsrc Size: 36KB - Virtual size: 40KB

Headers

File Characteristics

Sections

CODE Size: 1.0MB - Virtual size: 1.0MB

DATA Size: 21KB - Virtual size: 20KB

BSS Size: - Virtual size: 103KB

.idata Size: 12KB - Virtual size: 12KB

.tls Size: - Virtual size: 36B

.rdata Size: 512B - Virtual size: 24B

.reloc Size: 70KB - Virtual size: 69KB

.rsrc Size: 154KB - Virtual size: 154KB

82:f6:74:38:66:7d:70:ef:bb:2c:bb:f9:03:f4:fb:72
Certificate

44:be:0c:8b:50:00:24:b4:11:d3:36:2d:e0:b3:5f:1b
Certificate

4f:63:d0:30:f8:15:a3:a5:b3:44:69:40:06:3d:16:89
Certificate

UPX0
Size: - Virtual size: 828KB

UPX1
Size: 632KB - Virtual size: 632KB

.rsrc
Size: 36KB - Virtual size: 40KB

CODE
Size: 1.0MB - Virtual size: 1.0MB

DATA
Size: 21KB - Virtual size: 20KB

BSS
Size: - Virtual size: 103KB

.idata
Size: 12KB - Virtual size: 12KB

.tls
Size: - Virtual size: 36B

.rdata
Size: 512B - Virtual size: 24B

.reloc
Size: 70KB - Virtual size: 69KB

.rsrc
Size: 154KB - Virtual size: 154KB