Uninstalr_Portable[.]exe

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General

Target

Uninstalr_Portable.exe
Size

4.0MB
MD5

a35881a67ec38f9bb4e33a8dbe013061
SHA1

7e0c222a5429574b326e2fca275e9629f33e1801
SHA256

297f90550fecab224d782ef73f1e2a777b70fcf2f90eb19460861a910e08b3b7
SHA512

7f76e13addbcf381f32f634a61d560726812963aa374f2a5810d8f501168366f8c0d606e0200164654f821ca27bcc2ea80f3cc81393eb4c3868bfcd56fdb8133
SSDEEP

98304:cJFjFiafJBZhaWQDXiWGUiJBUOXRpg324zzU:UPxfJBZhaWqXHUDozo

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

Uninstalr_Portable.exe
.exe windows 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

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

99:1a:d4:ff:e8:61:4c:0d:38:04:30:a2:e4:f6:37:fd
Certificate

Issuer

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

Not Before

29/06/2022, 00:00

Not After

28/06/2025, 23:59

Subject

CN=Macecraft Software,O=Macecraft Software,ST=Satakunta,C=FI

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

e4:d3:63:32:a7:ae:50:82:ab:a5:1d:9a:57:91:94:af:13:25:a2:7b
Signer

Actual PE Digest

e4:d3:63:32:a7:ae:50:82:ab:a5:1d:9a:57:91:94:af:13:25:a2:7b

Digest Algorithm

sha1

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_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 9.7MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 3.9MB - Virtual size: 3.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 123KB - Virtual size: 124KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows 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_32BIT_MACHINE

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr
madTraceProcess

Sections

.text
Size: 9.5MB - Virtual size: 9.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 730KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 30KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 24KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 181B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 1KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 93B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 651KB - Virtual size: 651KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
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

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

Extended Key Usages

Key Usages

99:1a:d4:ff:e8:61:4c:0d:38:04:30:a2:e4:f6:37:fdCertificate

Extended Key Usages

Key Usages

e4:d3:63:32:a7:ae:50:82:ab:a5:1d:9a:57:91:94:af:13:25:a2:7bSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 9.7MB

UPX1 Size: 3.9MB - Virtual size: 3.9MB

.rsrc Size: 123KB - Virtual size: 124KB

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

.text Size: 9.5MB - Virtual size: 9.4MB

.itext Size: 17KB - Virtual size: 16KB

.data Size: 1.3MB - Virtual size: 1.3MB

.bss Size: - Virtual size: 730KB

.idata Size: 30KB - Virtual size: 29KB

.didata Size: 24KB - Virtual size: 24KB

.edata Size: 512B - Virtual size: 181B

.tls Size: - Virtual size: 1KB

.rdata Size: 512B - Virtual size: 93B

.reloc Size: 651KB - Virtual size: 651KB

.rsrc Size: 1.0MB - Virtual size: 1.0MB

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

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

99:1a:d4:ff:e8:61:4c:0d:38:04:30:a2:e4:f6:37:fd
Certificate

e4:d3:63:32:a7:ae:50:82:ab:a5:1d:9a:57:91:94:af:13:25:a2:7b
Signer

UPX0
Size: - Virtual size: 9.7MB

UPX1
Size: 3.9MB - Virtual size: 3.9MB

.rsrc
Size: 123KB - Virtual size: 124KB

.text
Size: 9.5MB - Virtual size: 9.4MB

.itext
Size: 17KB - Virtual size: 16KB

.data
Size: 1.3MB - Virtual size: 1.3MB

.bss
Size: - Virtual size: 730KB

.idata
Size: 30KB - Virtual size: 29KB

.didata
Size: 24KB - Virtual size: 24KB

.edata
Size: 512B - Virtual size: 181B

.tls
Size: - Virtual size: 1KB

.rdata
Size: 512B - Virtual size: 93B

.reloc
Size: 651KB - Virtual size: 651KB

.rsrc
Size: 1.0MB - Virtual size: 1.0MB