agenttesla | wentra[.]rar

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General

Target

wentra.rar
Size

11.3MB
MD5

63eeb2449e6cb1e9896002f19064bb25
SHA1

2f863b7843cc900d53edf911a8efb76be847bfea
SHA256

8ddabb3123e9ce339e10e3a37e583be80b790b415bd81f28ec960e0741fb2784
SHA512

d8a4411128fa69ebb3f57c43f4fb4791a8f39e374c8c57b8d0cafd68848e592c50f463f04cf158df5eeba9dfa0710a937a1542691ad75a45199f578dea8c1ef4
SSDEEP

196608:woVbd8yDhv/3oSowudnYeJetj+B5IgxKo1/resVDdDlbH+riHqy5+Pm4ofn51:wkFaRbYHCMK31DZVBDlbHwYU6nX

Score

10^/10

agenttesla

Malware Config

Signatures

AgentTesla payload 1 IoCs

resource	yara_rule
static1/unpack001/wentra/Guna.UI2.dll	family_agenttesla

Agenttesla family
agenttesla

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/wentra/Spoofer.dll
unpack001/wentra/alperenxrq.exe

Files

wentra.rar
.rar

Password: lariosunboklugotu
wentra/Guna.UI2.dll
.dll windows:4 windows x86 arch:x86

Password: lariosunboklugotu

dae02f32a21e03ce65412f6e56942daa

Code Sign

7a:98:1b:7d:3e:b4:86:bb:45:84:c4:3c:c9:a8:3f:db
Certificate

Issuer

CN=Sobatdata Root CA

Not Before

23-10-2019 05:22

Not After

22-10-2025 17:00

Subject

CN=Sobatdata Software

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

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

fc:f1:4f:80:29:85:d5:17:61:00:50:90:0b:29:ff:b3:2a:f2:5b:54
Signer

Actual PE Digest

fc:f1:4f:80:29:85:d5:17:61:00:50:90:0b:29:ff:b3:2a:f2:5b:54

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

mscoree

_CorDllMain

Sections

.text
Size: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
wentra/Spoofer.dll
.exe windows:4 windows x86 arch:x86

Password: lariosunboklugotu

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

C:\Users\alperenxrq\source\repos\Spoofer\Spoofer\obj\Release\net6.0-windows\Spoofer.pdb

Imports

mscoree

_CorExeMain

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
wentra/Spoofer.runtimeconfig.json
wentra/alperenxrq.exe
.exe windows:6 windows x64 arch:x64

Password: lariosunboklugotu

9704a37628b9b8b45db57d9a53af129e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

FindNextFileW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress

user32

MessageBoxW

shell32

ShellExecuteW

advapi32

RegOpenKeyExW

api-ms-win-crt-runtime-l1-1-0

__p___argc

api-ms-win-crt-stdio-l1-1-0

__p__commode

api-ms-win-crt-heap-l1-1-0

_callnewh

api-ms-win-crt-string-l1-1-0

wcsnlen

api-ms-win-crt-convert-l1-1-0

_wtoi

api-ms-win-crt-locale-l1-1-0

__pctype_func

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-time-l1-1-0

_gmtime64_s

Sections

.text
Size: - Virtual size: 97KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.t4Q
Size: - Virtual size: 7.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.$:
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.KD[
Size: 11.9MB - Virtual size: 11.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 296B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
wentra/runtimes/win/lib/net6.0/System.Management.dll
.dll windows:4 windows x86 arch:x86

Password: lariosunboklugotu

dae02f32a21e03ce65412f6e56942daa

Code Sign

33:00:00:02:13:8c:0c:1c:31:35:bc:d2:5f:00:00:00:00:02:13
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

11-02-2021 20:09

Not After

10-02-2022 20:09

Subject

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08-07-2011 20:59

Not After

08-07-2026 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

a1:1f:af:de:e3:96:53:43:12:1d:b3:69:f3:c4:14:7a:af:b0:e0:69:63:ab:74:f0:17:b1:9c:67:e4:03:5e:ba
Signer

Actual PE Digest

a1:1f:af:de:e3:96:53:43:12:1d:b3:69:f3:c4:14:7a:af:b0:e0:69:63:ab:74:f0:17:b1:9c:67:e4:03:5e:ba

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

/_/artifacts/obj/System.Management/net6.0-windows-Release/System.Management.pdb

Imports

mscoree

_CorDllMain

Sections

.text
Size: 272KB - Virtual size: 271KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: lariosunboklugotu

Password: lariosunboklugotu

dae02f32a21e03ce65412f6e56942daa

Code Sign

7a:98:1b:7d:3e:b4:86:bb:45:84:c4:3c:c9:a8:3f:dbCertificate

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

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

fc:f1:4f:80:29:85:d5:17:61:00:50:90:0b:29:ff:b3:2a:f2:5b:54Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 2.1MB - Virtual size: 2.1MB

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 12B

Password: lariosunboklugotu

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

mscoree

Sections

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

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 12B

Password: lariosunboklugotu

9704a37628b9b8b45db57d9a53af129e

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

advapi32

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-time-l1-1-0

Sections

.text Size: - Virtual size: 97KB

.rdata Size: - Virtual size: 37KB

.data Size: - Virtual size: 6KB

.pdata Size: - Virtual size: 5KB

_RDATA Size: - Virtual size: 244B

.t4Q Size: - Virtual size: 7.0MB

.$: Size: 3KB - Virtual size: 2KB

.KD[ Size: 11.9MB - Virtual size: 11.9MB

.reloc Size: 512B - Virtual size: 296B

.rsrc Size: 1KB - Virtual size: 1KB

Password: lariosunboklugotu

dae02f32a21e03ce65412f6e56942daa

Code Sign

33:00:00:02:13:8c:0c:1c:31:35:bc:d2:5f:00:00:00:00:02:13Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

a1:1f:af:de:e3:96:53:43:12:1d:b3:69:f3:c4:14:7a:af:b0:e0:69:63:ab:74:f0:17:b1:9c:67:e4:03:5e:baSigner

Headers

DLL Characteristics

File Characteristics

7a:98:1b:7d:3e:b4:86:bb:45:84:c4:3c:c9:a8:3f:db
Certificate

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

fc:f1:4f:80:29:85:d5:17:61:00:50:90:0b:29:ff:b3:2a:f2:5b:54
Signer

.text
Size: 2.1MB - Virtual size: 2.1MB

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 12B

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

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 12B

.text
Size: - Virtual size: 97KB

.rdata
Size: - Virtual size: 37KB

.data
Size: - Virtual size: 6KB

.pdata
Size: - Virtual size: 5KB

_RDATA
Size: - Virtual size: 244B

.t4Q
Size: - Virtual size: 7.0MB

.$:
Size: 3KB - Virtual size: 2KB

.KD[
Size: 11.9MB - Virtual size: 11.9MB

.reloc
Size: 512B - Virtual size: 296B

.rsrc
Size: 1KB - Virtual size: 1KB

33:00:00:02:13:8c:0c:1c:31:35:bc:d2:5f:00:00:00:00:02:13
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

a1:1f:af:de:e3:96:53:43:12:1d:b3:69:f3:c4:14:7a:af:b0:e0:69:63:ab:74:f0:17:b1:9c:67:e4:03:5e:ba
Signer

.text
Size: 272KB - Virtual size: 271KB

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 12B