webmonitor | 2737ad9cc96e5de2eb6168b13797a46771b897ed3e2ebd5f1b68da0a8b065596

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General

Target

2737ad9cc96e5de2eb6168b13797a46771b897ed3e2ebd5f1b68da0a8b065596
Size

298KB
MD5

d624b833b5852fee03fa71b1f0188b91
SHA1

e849bf579e9e27b75478f544f9c760fee46d30d7
SHA256

2737ad9cc96e5de2eb6168b13797a46771b897ed3e2ebd5f1b68da0a8b065596
SHA512

847d1bac3f055cb481879ae54357501a4858160f1c1b2c8fdfe540b7fd63d056171865a8a28e213f24de646b0489776dc1fb5b4cf604b5c5257703e213aa5e6d
SSDEEP

6144:q4dMcvVRZD5Db77WVJhgM55dh5SKjWHBmaVo+hqT2auxSsSAv5S5ue:q4dM8VKVN535SKzaVoaqT2JS355

Score

10^/10

upx webmonitor

Malware Config

Extracted

Family

webmonitor

fay007.wm01.to:443

Attributes

config_key
LBQfJrFgUVHmlbfJUp1Fbu4mGo2YJ0rG
private_key
BghO9pIGP
url_path
/recv4.php

Signatures

WebMonitor Payload 1 IoCs

Processes:

resource	yara_rule
static1/unpack001/out.upx	family_webmonitor

Webmonitor family
webmonitor
UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
upx

Processes:

resource yara_rule

sample upx

resource	yara_rule
sample	upx

Files

2737ad9cc96e5de2eb6168b13797a46771b897ed3e2ebd5f1b68da0a8b065596
.exe windows x86

Code Sign

99:6a:ea:49:78:5a:76:79:27:9d:02:68:b3:69:8e:ea
Certificate

Issuer

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

08-03-2019 00:00

Not After

07-03-2020 23:59

Subject

CN=RevCode,O=RevCode,POSTALCODE=19558,STREET=Rymdgatan 73,L=Märsta,ST=Stockholm,C=SE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02-11-2018 00:00

Not After

31-12-2030 23:59

Subject

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

01:fd:6d:30:fc:a3:ca:51:a8:1b:bc:64:0e:35:03:2d
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

01-02-2010 00:00

Not After

18-01-2038 23:59

Subject

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

06:9a:55:97:0a:63:ca:7c:eb:62:2a:cd:aa:b2:4e:99:e6:52:88:83
Signer

Actual PE Digest

06:9a:55:97:0a:63:ca:7c:eb:62:2a:cd:aa:b2:4e:99:e6:52:88:83

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=RevCode,O=RevCode,POSTALCODE=19558,STREET=Rymdgatan 73,L=Märsta,ST=Stockholm,C=SE

19-04-2022 13:10
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 472KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 291KB - Virtual size: 292KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 724KB - Virtual size: 724KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 656B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

Files

Code Sign

99:6a:ea:49:78:5a:76:79:27:9d:02:68:b3:69:8e:eaCertificate

Extended Key Usages

Key Usages

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6aCertificate

Extended Key Usages

Key Usages

01:fd:6d:30:fc:a3:ca:51:a8:1b:bc:64:0e:35:03:2dCertificate

Key Usages

06:9a:55:97:0a:63:ca:7c:eb:62:2a:cd:aa:b2:4e:99:e6:52:88:83Signer

Signature Validations

Verification

19-04-2022 13:10 Valid: false

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 472KB

UPX1 Size: 291KB - Virtual size: 292KB

.rsrc Size: 1024B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 724KB - Virtual size: 724KB

.data Size: 10KB - Virtual size: 17KB

.idata Size: 4KB - Virtual size: 3KB

.rsrc Size: 1024B - Virtual size: 656B

99:6a:ea:49:78:5a:76:79:27:9d:02:68:b3:69:8e:ea
Certificate

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

01:fd:6d:30:fc:a3:ca:51:a8:1b:bc:64:0e:35:03:2d
Certificate

06:9a:55:97:0a:63:ca:7c:eb:62:2a:cd:aa:b2:4e:99:e6:52:88:83
Signer

19-04-2022 13:10
Valid: false

UPX0
Size: - Virtual size: 472KB

UPX1
Size: 291KB - Virtual size: 292KB

.rsrc
Size: 1024B - Virtual size: 4KB

.text
Size: 724KB - Virtual size: 724KB

.data
Size: 10KB - Virtual size: 17KB

.idata
Size: 4KB - Virtual size: 3KB

.rsrc
Size: 1024B - Virtual size: 656B