Behavioral task
behavioral1
Sample
6e39ea5185c45d33204cadb86a374e3a2224a4437a316e57fa6a051973fcb5d4.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6e39ea5185c45d33204cadb86a374e3a2224a4437a316e57fa6a051973fcb5d4.exe
Resource
win10v2004-20241007-en
General
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Target
6e39ea5185c45d33204cadb86a374e3a2224a4437a316e57fa6a051973fcb5d4.exe
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Size
349KB
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MD5
f74a56c1ae8315915efa57dc391dcace
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SHA1
4a24d459bedf21c4ebf390313d6605caec76f862
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SHA256
6e39ea5185c45d33204cadb86a374e3a2224a4437a316e57fa6a051973fcb5d4
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SHA512
d0e24523933cb6816bb868279d1107e1bb4d73d1aa4f09689893d71ea11aed72e996033423f1cbc9c6bcc32482503104e32059dceff890244032e09d0dbe59fc
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SSDEEP
6144:2K2J10qdSlEc39HGGZlMi9MqKQPxjub0n6RKCKSU+yTp0xr:2KFXZhMqKQJjDwKjd0xr
Malware Config
Extracted
quasar
1.3.0.0
ProyectosCUU
192.168.1.198:4782
QSR_MUTEX_m5dUI8hKcZccXa2Bjv
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encryption_key
hjqFnSRNHmM40urcuGMr
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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
cles
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 6e39ea5185c45d33204cadb86a374e3a2224a4437a316e57fa6a051973fcb5d4.exe
Files
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6e39ea5185c45d33204cadb86a374e3a2224a4437a316e57fa6a051973fcb5d4.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: 346KB - Virtual size: 345KB
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