Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
26/01/2023, 06:40
General
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Target
Client-built2.exe
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Size
502KB
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MD5
8ee866bbc61bc7a3000fbab1c5314612
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SHA1
346d9e84c288cb65dedd6166d001aa0dd1213aad
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SHA256
240f6135d5dad8a8f0003be5e08123d721f5d0ee94dadc46d6575956b54f72fc
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SHA512
78a1cc4965c000c90c9efde3e3017bfffb0b6543208fd3ede6244e8df2dc60e478e449b9b1ffb529b68c008c9894fa9022e68eb6a5b0479a00089678e72938b9
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SSDEEP
6144:cTEgdc0Y7X1uRabMR0FWnTDmPNLB65EtqI+yw4FUcEcOb8F9q0TCXyrcTR3K:cTEgdfYURaqTDIb4VywtspboyrcdK
Malware Config
Extracted
Family
quasar
Version
1.4.0
Botnet
Office04
C2
192.168.0.195:1604
192.168.0.1:1604
46.212.113.82:1604
Mutex
fffd6dc4-1f37-4e65-b7aa-0102dd3decf4
Attributes
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encryption_key
894D60DF1A73A828E12DB9DF734CD59FBE6522AB
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
100
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar payload 1 IoCs
resource yara_rule behavioral1/memory/1776-54-0x0000000000010000-0x0000000000094000-memory.dmp family_quasar -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1776 Client-built2.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1776 Client-built2.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1776 Client-built2.exe