Behavioral task
behavioral1
Sample
81482c1a6d2f01cc87ef30cbc62dcaa2690a33868b2bb9b317419eec2bb28c39N.exe
Resource
win7-20240903-en
General
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Target
81482c1a6d2f01cc87ef30cbc62dcaa2690a33868b2bb9b317419eec2bb28c39N.exe
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Size
3.1MB
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MD5
58a7b2b9800cd7e126a12869c63ab670
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SHA1
118f54af16f09cdf086dfa6bf26f1903e3af471f
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SHA256
81482c1a6d2f01cc87ef30cbc62dcaa2690a33868b2bb9b317419eec2bb28c39
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SHA512
37bfe5f60cbed4f1e9972229a2ba6535a0f7573f036663fb0d3843f756fc1036b53823f60c3bffd3fd1f7652780bf6a47d8e006d72b030ff1632fb446ffa7448
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SSDEEP
49152:Pv4t62XlaSFNWPjljiFa2RoUYIYkUh5BxgAoGd66THHB72eh2NT:PvU62XlaSFNWPjljiFXRoUYIYPh3K
Malware Config
Extracted
quasar
1.4.1
Office04
10.7.0.10:4782
0801129f-7edc-4409-8f35-6d3df26fe228
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encryption_key
E378872B39AA37823907E666E3586D0C1F878A95
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
QUASAR Client Startup
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 81482c1a6d2f01cc87ef30cbc62dcaa2690a33868b2bb9b317419eec2bb28c39N.exe
Files
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81482c1a6d2f01cc87ef30cbc62dcaa2690a33868b2bb9b317419eec2bb28c39N.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
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
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