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Resubmissions
09/04/2024, 03:49 UTC
240409-edcl2adf68 1009/04/2024, 03:48 UTC
240409-ec33ladf59 1009/04/2024, 03:47 UTC
240409-ecqr9sdf46 1009/04/2024, 03:47 UTC
240409-eb8xfshb7t 1003/04/2024, 12:14 UTC
240403-peb21add42 10Analysis
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max time kernel
425s -
max time network
1147s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/04/2024, 03:49 UTC
Static task
static1
Behavioral task
behavioral1
Sample
Ezxotfkmz.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Ezxotfkmz.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
Ezxotfkmz.exe
Resource
win10v2004-20240226-en
General
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Target
Ezxotfkmz.exe
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Size
451KB
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MD5
0d34f2b095cbff0be00eb45758929907
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SHA1
3fa3b5e296d49c4d8e6dfc5d4b775a48609aca78
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SHA256
89d511c97a4e0f4bf48a72fe764adb6d3de9007859c7632dc07477f2062c2b20
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SHA512
6965e9d2c2b9a11bb428ba8ac47202b7d0d4aaf826f905fb0afee903b2ae4b85cec446b536721b84237aeeb08f03ff413a67c75c36ba78d85a6727831e7b6340
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SSDEEP
6144:xpHC550+1KYQ2JRpK3SRgadBU9RwfqUKDPi5xo/nY:xpis+S2JRpK3SRgKQ/n
Malware Config
Signatures
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Detect ZGRat V1 34 IoCs
resource yara_rule behavioral4/memory/2044-3-0x00000000054D0000-0x00000000058B4000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-4-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-5-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-7-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-9-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-11-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-13-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-15-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-17-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-19-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-21-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-23-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-25-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-27-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-29-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-31-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-33-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-35-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-37-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-39-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-41-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-43-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-45-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-47-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-49-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-51-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-53-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-55-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-57-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-59-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-61-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-63-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-65-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 behavioral4/memory/2044-67-0x00000000054D0000-0x00000000058AF000-memory.dmp family_zgrat_v1 -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Bcesihxe.vbs Ezxotfkmz.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2044 set thread context of 2956 2044 Ezxotfkmz.exe 80 -
Program crash 1 IoCs
pid pid_target Process procid_target 3096 2956 WerFault.exe 80 -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2044 Ezxotfkmz.exe Token: SeDebugPrivilege 2044 Ezxotfkmz.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2044 wrote to memory of 2956 2044 Ezxotfkmz.exe 80 PID 2044 wrote to memory of 2956 2044 Ezxotfkmz.exe 80 PID 2044 wrote to memory of 2956 2044 Ezxotfkmz.exe 80 PID 2044 wrote to memory of 2956 2044 Ezxotfkmz.exe 80 PID 2044 wrote to memory of 2956 2044 Ezxotfkmz.exe 80 PID 2044 wrote to memory of 2956 2044 Ezxotfkmz.exe 80 PID 2044 wrote to memory of 2956 2044 Ezxotfkmz.exe 80 PID 2044 wrote to memory of 2956 2044 Ezxotfkmz.exe 80 PID 2044 wrote to memory of 2956 2044 Ezxotfkmz.exe 80 PID 2044 wrote to memory of 2956 2044 Ezxotfkmz.exe 80 PID 2044 wrote to memory of 2956 2044 Ezxotfkmz.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"2⤵PID:2956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 2003⤵
- Program crash
PID:3096
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2956 -ip 29561⤵PID:2460
Network
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Remote address:8.8.8.8:53Requestcdn.discordapp.comIN AResponsecdn.discordapp.comIN A162.159.129.233cdn.discordapp.comIN A162.159.134.233cdn.discordapp.comIN A162.159.135.233cdn.discordapp.comIN A162.159.133.233cdn.discordapp.comIN A162.159.130.233
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Remote address:8.8.8.8:53Request8.8.8.8.in-addr.arpaIN PTRResponse8.8.8.8.in-addr.arpaIN PTRdnsgoogle
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Remote address:8.8.8.8:53Request19.229.111.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request91.16.208.104.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Requestocsp.digicert.comIN AResponseocsp.digicert.comIN CNAMEocsp.edge.digicert.comocsp.edge.digicert.comIN CNAMEfp2e7a.wpc.2be4.phicdn.netfp2e7a.wpc.2be4.phicdn.netIN CNAMEfp2e7a.wpc.phicdn.netfp2e7a.wpc.phicdn.netIN A192.229.221.95
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Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request233.129.159.162.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Requestnexusrules.officeapps.live.comIN AResponsenexusrules.officeapps.live.comIN CNAMEprod.nexusrules.live.com.akadns.netprod.nexusrules.live.com.akadns.netIN A52.111.229.19
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Remote address:8.8.8.8:53Requestself.events.data.microsoft.comIN AResponseself.events.data.microsoft.comIN CNAMEself-events-data.trafficmanager.netself-events-data.trafficmanager.netIN CNAMEonedscolprdcus17.centralus.cloudapp.azure.comonedscolprdcus17.centralus.cloudapp.azure.comIN A104.208.16.91
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Remote address:8.8.8.8:53Requestctldl.windowsupdate.comIN AResponsectldl.windowsupdate.comIN CNAMEwu-bg-shim.trafficmanager.netwu-bg-shim.trafficmanager.netIN CNAMEdownload.windowsupdate.com.edgesuite.netdownload.windowsupdate.com.edgesuite.netIN CNAMEa767.dspw65.akamai.neta767.dspw65.akamai.netIN A2.17.197.240
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Remote address:8.8.8.8:53Request240.197.17.2.in-addr.arpaIN PTRResponse240.197.17.2.in-addr.arpaIN PTRa2-17-197-240deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Requestctldl.windowsupdate.comIN AResponsectldl.windowsupdate.comIN CNAMEwu-bg-shim.trafficmanager.netwu-bg-shim.trafficmanager.netIN CNAMEdownload.windowsupdate.com.edgesuite.netdownload.windowsupdate.com.edgesuite.netIN CNAMEa767.dspw65.akamai.neta767.dspw65.akamai.netIN A2.17.197.240
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410 B 850 B 6 6
DNS Request
cdn.discordapp.com
DNS Response
162.159.129.233162.159.134.233162.159.135.233162.159.133.233162.159.130.233
DNS Request
8.8.8.8.in-addr.arpa
DNS Request
19.229.111.52.in-addr.arpa
DNS Request
91.16.208.104.in-addr.arpa
DNS Request
ocsp.digicert.com
DNS Response
192.229.221.95
DNS Request
95.221.229.192.in-addr.arpa
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435 B 1.0kB 6 6
DNS Request
233.129.159.162.in-addr.arpa
DNS Request
nexusrules.officeapps.live.com
DNS Response
52.111.229.19
DNS Request
self.events.data.microsoft.com
DNS Response
104.208.16.91
DNS Request
ctldl.windowsupdate.com
DNS Response
2.17.197.240
DNS Request
240.197.17.2.in-addr.arpa
DNS Request
ctldl.windowsupdate.com
DNS Response
2.17.197.240