Behavioral task
behavioral1
Sample
4c9fda48a95f89b5a9cd070e9fd77a4c60205e221b682eb6b8d80e7527cafeda.exe
Resource
win7-20240729-en
General
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Target
4c9fda48a95f89b5a9cd070e9fd77a4c60205e221b682eb6b8d80e7527cafeda
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Size
3.1MB
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MD5
0e544c7dccc5ac91a382ba67577d7cd6
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SHA1
44b0868b7a9b0bf5c20ebeae736ddaeb2385fd92
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SHA256
4c9fda48a95f89b5a9cd070e9fd77a4c60205e221b682eb6b8d80e7527cafeda
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SHA512
c8544b538f74cfe5b397e958859b6145630db440c6b3700bb3751aa29ed7ac88ab34b9e9896ef70d25275deed05a937b4112932b879db7e93fdd0e2a5929e309
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SSDEEP
49152:bv4uf2NUaNmwzPWlvdaKM7ZxTw678gbR4LoGdgaTHHB72eh2NT:bv3f2NUaNmwzPWlvdaB7ZxTw678n
Malware Config
Extracted
quasar
1.4.1
Stinky
ef3243fsert34.ddns.net:47820
anthonyngati.ddns.net:3872
60cba0a9-0a63-450c-9567-57ef0e3c2e24
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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 4c9fda48a95f89b5a9cd070e9fd77a4c60205e221b682eb6b8d80e7527cafeda
Files
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4c9fda48a95f89b5a9cd070e9fd77a4c60205e221b682eb6b8d80e7527cafeda.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