Behavioral task
behavioral1
Sample
e46a4d586b41c48125c7f5f44e5f23e2.exe
Resource
win7-20240215-en
General
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Target
e46a4d586b41c48125c7f5f44e5f23e2.bin
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Size
3.1MB
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MD5
e46a4d586b41c48125c7f5f44e5f23e2
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SHA1
b0ea55d5932426e0722167989691f11e08980ee0
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SHA256
8a7cfe4a79b49501f486288fe3c87138305119b04f126a8a9e8408f3d8e3771c
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SHA512
68c999533b8e3e5f2ede4f1b69838c99530b67f6f3da9ebd3c5641de72bcbfeae0b06e52811c602fbf52a85a4726109e8aab3d97fd1181dce34548106b12978b
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SSDEEP
49152:jvpG42pda6D+/PjlLOlg6yQipVy8vE780k/mkEoGdiyTHHB72eh2NT:jvY42pda6D+/PjlLOlZyQipVy8Gv
Malware Config
Extracted
quasar
1.4.1
Office04
10.9.33.1:25377
SteveLean-47385.portmap.host:47385
603e73f4-1a5c-4a9d-96e3-7ee1f44390dd
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encryption_key
5C96F3FC23C24141669D950745FC3357502CE24B
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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 e46a4d586b41c48125c7f5f44e5f23e2.bin
Files
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e46a4d586b41c48125c7f5f44e5f23e2.bin.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