Behavioral task
behavioral1
Sample
2b556da7af4e05fdc5c0a47bbdcc999bc9f3f708f7aa88f07ed3083f88d45432.exe
Resource
win7-20240903-en
General
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Target
2b556da7af4e05fdc5c0a47bbdcc999bc9f3f708f7aa88f07ed3083f88d45432
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Size
3.1MB
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MD5
7c1fd7240072a6a6f53d93f191d769f0
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SHA1
c0f3004513ea69aca854da4a740b176d04be8a35
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SHA256
2b556da7af4e05fdc5c0a47bbdcc999bc9f3f708f7aa88f07ed3083f88d45432
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SHA512
513f39e50c98b9bc22e7e97291df9577dd22c7a75405c86a0c49df8101b84ec67f96372d974c27dfd421bec3e8dc2b77984609136cda6e9ab39e0081ec84e493
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SSDEEP
49152:/v4uf2NUaNmwzPWlvdaKM7ZxTwkCC1JdLoGdeTHHB72eh2NT:/v3f2NUaNmwzPWlvdaB7ZxTwkCI
Malware Config
Extracted
quasar
1.4.1
Stinky
ef3243fsert34.ddns.net:47820
oj42315j346ng2134.myvnc.com:47820
448b82a7-900f-48ac-b52b-73d8b9b1a9fa
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encryption_key
7A23123B6E1E0CCDB27477C6C7654C7BE2FEDE54
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install_name
sru.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
xml
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subdirectory
sru
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2b556da7af4e05fdc5c0a47bbdcc999bc9f3f708f7aa88f07ed3083f88d45432
Files
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2b556da7af4e05fdc5c0a47bbdcc999bc9f3f708f7aa88f07ed3083f88d45432.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