General
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Target
15e972a72e555d7bd756ededbbaa7a0dbb9705c31a73e14efd1128988a69f683.exe
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Size
876KB
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Sample
241125-se89aasmbv
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MD5
05443408f8eadd9434558a7886ca7efb
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SHA1
42419402ca59a4eb90e797b5f154cc5b2160dd62
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SHA256
15e972a72e555d7bd756ededbbaa7a0dbb9705c31a73e14efd1128988a69f683
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SHA512
6f781a3efa43d10451274c8d22c79e12052185e7cb45652810b2edc60c5a2cc963dd36ba47d87b0b5fa485950dace1306eec280ce1ef3c4f399483c55ac61858
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SSDEEP
24576:weKxzRSGSL0v0mMO5PKDRwszHMC8hrAaRKGX:BKxVpSL0AiyDysAC8hrZL
Static task
static1
Behavioral task
behavioral1
Sample
15e972a72e555d7bd756ededbbaa7a0dbb9705c31a73e14efd1128988a69f683.exe
Resource
win7-20241010-en
Malware Config
Extracted
quasar
1.3.0.0
AOY
87.120.120.27:61540
127.0.0.1:61540
87.121.86.205:61541
QSR_MUTEX_NOCv4TURf46HbVbxyc
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encryption_key
fVsndNhImy9VosyZSQbQ
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install_name
updates.exe
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log_directory
Logs
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reconnect_delay
4000
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startup_key
Windows Update
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subdirectory
Windows
Targets
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Target
15e972a72e555d7bd756ededbbaa7a0dbb9705c31a73e14efd1128988a69f683.exe
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Size
876KB
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MD5
05443408f8eadd9434558a7886ca7efb
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SHA1
42419402ca59a4eb90e797b5f154cc5b2160dd62
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SHA256
15e972a72e555d7bd756ededbbaa7a0dbb9705c31a73e14efd1128988a69f683
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SHA512
6f781a3efa43d10451274c8d22c79e12052185e7cb45652810b2edc60c5a2cc963dd36ba47d87b0b5fa485950dace1306eec280ce1ef3c4f399483c55ac61858
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SSDEEP
24576:weKxzRSGSL0v0mMO5PKDRwszHMC8hrAaRKGX:BKxVpSL0AiyDysAC8hrZL
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Quasar family
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Quasar payload
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Executes dropped EXE
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Loads dropped DLL
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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