privateloader | c06e320ad2568e15baae155346c6fb92e18fc038e7465adfb5fc2a3f8af9caa5[.]exe

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General

Target

c06e320ad2568e15baae155346c6fb92e18fc038e7465adfb5fc2a3f8af9caa5.exe
Size

7.2MB
MD5

7f740d0e73eaceae2844e0e841fd4db7
SHA1

7822b1f50b4a9cd3a3a762824ff674ea49f0cba6
SHA256

c06e320ad2568e15baae155346c6fb92e18fc038e7465adfb5fc2a3f8af9caa5
SHA512

dab98b7d9fd4e02edd4c40cfd21ef3a6d7fdf6f2b52396b84ce20ea170f50b99b2ed5f1de2f0b7f592cd5e77a8a7e988c8fc2dc6e9e93cd3c8255c341b7ba96f
SSDEEP

196608:p2Kbxm0F6AYVvZ9LPHOQMzYKqGJanEqM/zQEGMZ:pxk0ZYVvZ9LPunYKqGJPqMcE9Z

Score

10^/10

upx privateloader

Malware Config

Signatures

Privateloader family
privateloader

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
sample	UPX

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

c06e320ad2568e15baae155346c6fb92e18fc038e7465adfb5fc2a3f8af9caa5.exe
.exe windows:6 windows x86 arch:x86

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

25/05/2021, 00:00

Not After

31/12/2028, 23:59

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

fc:5c:f8:4f:06:d9:1a:ef:5f:f5:39:b2:b5:26:1b:cb
Certificate

Issuer

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Not Before

07/02/2023, 00:00

Not After

07/02/2024, 23:59

Subject

CN=Begonia Holdings,O=Begonia Holdings,ST=Wyoming,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

82:b8:7f:35:15:db:84:3d:3d:b2:60:1f:c1:27:b0:90:d6:3a:91:da:8e:81:fc:5c:c0:2d:5b:38:a7:a8:3d:e8
Signer

Actual PE Digest

82:b8:7f:35:15:db:84:3d:3d:b2:60:1f:c1:27:b0:90:d6:3a:91:da:8e:81:fc:5c:c0:2d:5b:38:a7:a8:3d:e8

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 11.7MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 7.2MB - Virtual size: 7.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 22KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:6 windows x86 arch:x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 9.4MB - Virtual size: 9.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rodata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8.8MB - Virtual size: 8.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 450KB - Virtual size: 450KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16Certificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0aCertificate

Extended Key Usages

Key Usages

fc:5c:f8:4f:06:d9:1a:ef:5f:f5:39:b2:b5:26:1b:cbCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

82:b8:7f:35:15:db:84:3d:3d:b2:60:1f:c1:27:b0:90:d6:3a:91:da:8e:81:fc:5c:c0:2d:5b:38:a7:a8:3d:e8Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 11.7MB

UPX1 Size: 7.2MB - Virtual size: 7.2MB

.rsrc Size: 22KB - Virtual size: 24KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 9.4MB - Virtual size: 9.4MB

.rodata Size: 2KB - Virtual size: 2KB

.rdata Size: 8.8MB - Virtual size: 8.8MB

.data Size: 7KB - Virtual size: 26KB

.rsrc Size: 20KB - Virtual size: 19KB

.reloc Size: 450KB - Virtual size: 450KB

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

fc:5c:f8:4f:06:d9:1a:ef:5f:f5:39:b2:b5:26:1b:cb
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

82:b8:7f:35:15:db:84:3d:3d:b2:60:1f:c1:27:b0:90:d6:3a:91:da:8e:81:fc:5c:c0:2d:5b:38:a7:a8:3d:e8
Signer

UPX0
Size: - Virtual size: 11.7MB

UPX1
Size: 7.2MB - Virtual size: 7.2MB

.rsrc
Size: 22KB - Virtual size: 24KB

.text
Size: 9.4MB - Virtual size: 9.4MB

.rodata
Size: 2KB - Virtual size: 2KB

.rdata
Size: 8.8MB - Virtual size: 8.8MB

.data
Size: 7KB - Virtual size: 26KB

.rsrc
Size: 20KB - Virtual size: 19KB

.reloc
Size: 450KB - Virtual size: 450KB