Behavioral task
behavioral1
Sample
Guna.UI2.dll
Resource
win10-20231020-es
Behavioral task
behavioral2
Sample
Guna.UI2.dll
Resource
win10v2004-20231130-es
Behavioral task
behavioral3
Sample
GunaPatcher.exe
Resource
win10-20231129-es
Behavioral task
behavioral4
Sample
GunaPatcher.exe
Resource
win10v2004-20231130-es
Behavioral task
behavioral5
Sample
dnlib.dll
Resource
win10-20231023-es
Behavioral task
behavioral6
Sample
dnlib.dll
Resource
win10v2004-20231130-es
General
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Target
sdsd.zip
-
Size
1.1MB
-
MD5
1ed7ecfa762b6e2172ef0253ab9c0940
-
SHA1
d02cc04281570020d49c00fc42b02c539a45bcdd
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SHA256
ab532711968daaf5a1c95540ce7c89702ccd00d50c0787605f8298a1c02c0258
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SHA512
5df3139e8ba92af926c6e2f214dbd65e44f43bffe410b5af26f1a2cbafa0014c655ea3899784aa6672913f0f47d6ba09949f233d4cc1e13e7b4ce178e4be5886
-
SSDEEP
24576:1ZJJThXSy9OTi76S5lmZugWesm4+ZJGSZNbJ4MWZ9yJY2:diyEfw7D5+zFN14HyF
Malware Config
Signatures
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AgentTesla payload 1 IoCs
resource yara_rule static1/unpack001/Guna.UI2.dll family_agenttesla -
Agenttesla family
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Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/Guna.UI2.dll unpack001/GunaPatcher.exe unpack001/dnlib.dll
Files
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sdsd.zip.zip
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Guna.UI2.dll.dll windows:4 windows x86 arch:x86
dae02f32a21e03ce65412f6e56942daa
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
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GunaPatcher.exe.exe windows:4 windows x86 arch:x86
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
Imports
mscoree
_CorExeMain
Sections
.text Size: 6KB - Virtual size: 5KB
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
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dnlib.dll.dll windows:4 windows x86 arch:x86
dae02f32a21e03ce65412f6e56942daa
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: 1.1MB - Virtual size: 1.1MB
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