Behavioral task
behavioral1
Sample
5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c.exe
Resource
win7-20240220-en
General
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Target
5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c.exe
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Size
348KB
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MD5
edba3df77e77c06c623794dd1a3bcbcb
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SHA1
d324b81280858542ca961f1cefb09c08a0e8efa0
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SHA256
5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c
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SHA512
8278cbe80651cd475100142d861b9cd0e209c7a4189247e4a68c4a076b5f66c5c68086502436946a701de341d01689034f5ad5bce76750ad1e842214c35d11bd
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SSDEEP
6144:4vNHXf500MfpMBd6x3hhsblmszxMydC9VK6GLu79O:Kd50bI6x374mszxPk9VKduxO
Malware Config
Extracted
quasar
1.3.0.0
PROXY
ppprosyl.con-ip.com:4001
QSR_MUTEX_l1M93VuqIyiH8hEQ4I
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encryption_key
pQGlExVwm9sIK6kLO6DR
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
1
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects executables containing common artifacts observed in infostealers 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_GENInfoStealer -
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 5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c.exe
Files
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5b01febfead4b89d06ea792c89fedf765728f39e14c58335b0c173b4859c9a6c.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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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