Behavioral task
behavioral1
Sample
a89667a64a05760547dd5b7f8a87181fb145a48ed2492392918e653c7e5bb9a6.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a89667a64a05760547dd5b7f8a87181fb145a48ed2492392918e653c7e5bb9a6.exe
Resource
win10v2004-20240226-en
General
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Target
a89667a64a05760547dd5b7f8a87181fb145a48ed2492392918e653c7e5bb9a6.exe
-
Size
47KB
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MD5
6657934f52a0686aefcfac430c49eb6c
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SHA1
e803dc674a183866df2ea7c732bd6ce288e4d273
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SHA256
a89667a64a05760547dd5b7f8a87181fb145a48ed2492392918e653c7e5bb9a6
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SHA512
5d0991ccd328d04ee99136c08ecf6ce17d1d557e0b44a7df55a553002c61aaef3a018fdbc90e2a0ca21bd13ef26865e6a8a95d541feb1a827c101a7378703cf5
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SSDEEP
768:oq+s3pUtDILNCCa+DimriAPYb+geRHuPkqgmvEgK/JfZVc6KN:oq+AGtQOgQbBJtnkJfZVclN
Malware Config
Extracted
asyncrat
1.0.7
PROMESAS NEW 05
promesasalvaro1.duckdns.org:7091
DcRatMutex_qwqdanchun
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delay
1
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install
false
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install_folder
%AppData%
Signatures
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Async RAT payload 1 IoCs
resource yara_rule sample family_asyncrat -
Asyncrat family
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Detects executables attemping to enumerate video devices using WMI 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice -
Detects executables containing the string DcRatBy 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_DcRatBy -
Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc. 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_B64_Artifacts -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a89667a64a05760547dd5b7f8a87181fb145a48ed2492392918e653c7e5bb9a6.exe
Files
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a89667a64a05760547dd5b7f8a87181fb145a48ed2492392918e653c7e5bb9a6.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
Imports
mscoree
_CorExeMain
Sections
.text Size: 43KB - Virtual size: 42KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 3KB
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