Overview
overview
10Static
static
108888888.exe
windows10-2004-x64
108888888.exe
windows11-21h2-x64
10Challenge_1.dll
windows10-2004-x64
1Challenge_1.dll
windows11-21h2-x64
1Challenge_2.exe
windows10-2004-x64
10Challenge_2.exe
windows11-21h2-x64
3filetype.exe
windows10-2004-x64
3filetype.exe
windows11-21h2-x64
3md5-1.exe
windows10-2004-x64
3md5-1.exe
windows11-21h2-x64
3md5-2.exe
windows10-2004-x64
3md5-2.exe
windows11-21h2-x64
3ssdeep-2.1...zy.dll
windows10-2004-x64
3ssdeep-2.1...zy.dll
windows11-21h2-x64
3ssdeep-2.1...ep.exe
windows10-2004-x64
3ssdeep-2.1...ep.exe
windows11-21h2-x64
3Analysis
- user interaction
yes - max time kernel
119s - max time network
121s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
14/04/2026, 04:35
Behavioral task
behavioral1
Sample
8888888.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
8888888.exe
Resource
win11-20260130-en
Behavioral task
behavioral3
Sample
Challenge_1.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral4
Sample
Challenge_1.dll
Resource
win11-20260130-en
Behavioral task
behavioral5
Sample
Challenge_2.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral6
Sample
Challenge_2.exe
Resource
win11-20260130-en
Behavioral task
behavioral7
Sample
filetype.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral8
Sample
filetype.exe
Resource
win11-20260130-en
Behavioral task
behavioral9
Sample
md5-1.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral10
Sample
md5-1.exe
Resource
win11-20260130-en
Behavioral task
behavioral11
Sample
md5-2.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral12
Sample
md5-2.exe
Resource
win11-20260130-en
Behavioral task
behavioral13
Sample
ssdeep-2.14.1/fuzzy.dll
Resource
win10v2004-20260130-en
Behavioral task
behavioral14
Sample
ssdeep-2.14.1/fuzzy.dll
Resource
win11-20260130-en
Behavioral task
behavioral15
Sample
ssdeep-2.14.1/ssdeep.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral16
Sample
ssdeep-2.14.1/ssdeep.exe
Resource
win11-20260130-en
General
- Target 8888888.exe
- Size 1.2MB
- Sample260414-e7r9ksb18n
- SHA256 a23ef053cccf6a35fda9adc5f1702ba99a7be695107d3ba5d1ea8c9c258299e4
- MD5 136b9c85525ba66276b8c9f6b7014b0b
- SHA1 0cf5ba13d14c28c60586c7f4b9679925fa4d4172
- SHA512 0c02b116029a7d4f4c44988dc6220ed4050c94cab6e57f4aeb29d8edd0b8b59e74c89d6bd62e6e828826f44ebfb478280051ca289ea712c52d5fd113541e2590
- SSDEEP 6144:JanAo3boaSrTBRc6nWF84LvSkgNSjEtIovH6DgJG3uhRtSUgnSt9BYbC38g/T4J:JaAKoRrTBHWC4LINSjA/EMGU/SHomaI
- TLSH T14045C04073B05C0AF1F98FB4D8B656AA4430BE41BA34DD1B919068CEFDF529295F87A3
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
qakbot
-
324.142
-
spx133
-
1591267427
-
49.144.84.21:443
-
189.159.133.162:995
-
173.245.152.231:443
-
77.237.181.212:995
-
207.255.161.8:2078
-
76.187.8.160:443
-
207.255.161.8:2087
-
98.219.77.197:443
-
66.222.88.126:995
-
207.255.161.8:32102
-
108.58.9.238:995
-
47.152.210.233:443
-
1.40.42.4:443
-
188.27.71.163:443
-
82.127.193.151:2222
-
104.50.141.139:995
-
67.83.54.76:2222
-
86.126.97.183:2222
-
73.94.229.115:443
-
47.35.182.97:443
-
72.29.181.77:2078
-
98.114.185.3:443
-
24.226.137.154:443
-
5.12.114.96:443
-
78.97.145.242:443
-
64.121.114.87:443
-
62.121.123.57:443
-
151.73.126.205:443
-
69.40.17.142:443
-
197.165.178.49:443
-
80.240.26.178:443
-
79.115.128.221:443
-
49.191.4.245:443
-
71.187.170.235:443
-
108.51.73.186:443
-
134.0.196.46:995
-
75.81.25.223:443
-
96.56.237.174:993
-
72.240.245.253:443
-
67.131.59.17:443
-
216.163.4.91:443
-
72.204.242.138:443
-
72.190.101.70:443
-
47.201.1.210:443
-
24.43.22.220:995
-
76.170.77.99:443
-
71.163.225.75:443
-
69.92.54.95:995
-
108.31.92.113:443
-
185.246.9.69:995
-
79.119.67.149:443
-
47.205.231.60:443
-
66.26.160.37:443
-
65.131.83.170:995
-
47.40.244.237:443
-
71.77.231.251:443
-
50.244.112.106:443
-
96.41.93.96:443
-
47.153.115.154:995
-
62.38.111.70:2222
-
72.16.212.108:465
-
24.46.40.189:2222
-
24.10.42.174:443
-
85.121.42.12:995
-
188.192.75.8:443
-
174.34.67.106:2222
-
70.174.3.241:443
-
65.24.76.114:443
-
128.234.46.27:443
-
100.38.123.22:443
-
67.5.28.72:465
-
96.18.240.158:443
-
85.186.141.62:995
-
207.255.18.67:443
-
207.255.161.8:2222
-
79.113.219.121:443
-
203.33.139.134:443
-
72.209.191.27:443
-
64.19.74.29:995
-
24.201.79.208:2078
-
98.115.138.61:443
-
68.174.15.223:443
-
75.87.161.32:995
-
50.244.112.10:443
-
173.175.29.210:443
-
173.22.120.11:2222
-
74.215.201.122:443
-
76.15.41.32:443
-
176.193.41.32:2222
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50.29.181.193:995
-
207.255.161.8:32103
-
24.152.219.253:995
-
72.204.242.138:2078
-
173.187.169.73:443
-
24.43.22.220:443
-
71.88.104.107:995
-
89.44.195.186:2222
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93.113.90.128:443
-
5.13.99.38:995
-
72.183.129.56:443
-
86.123.106.54:443
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5.14.251.226:443
-
69.245.144.167:443
-
82.76.239.193:443
-
81.103.144.77:443
-
70.183.127.6:995
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24.99.180.247:443
-
175.111.128.234:443
-
50.247.230.33:995
-
2.88.183.192:443
-
24.42.14.241:443
-
98.118.156.172:443
-
216.201.162.158:995
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81.133.234.36:2222
-
173.172.205.216:443
-
184.98.104.7:995
-
47.146.169.85:443
-
108.27.217.44:443
-
74.56.167.31:443
-
80.195.103.146:2222
-
67.209.195.198:3389
-
96.37.137.42:443
-
108.58.9.238:993
-
173.79.220.156:443
-
98.32.60.217:443
-
78.96.192.26:443
-
79.117.161.67:21
-
72.28.255.159:995
-
207.162.184.228:443
-
189.140.112.184:443
-
105.184.48.142:443
-
97.93.211.17:443
-
47.153.115.154:443
-
188.192.75.8:995
-
142.129.227.86:443
-
72.69.180.183:61202
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75.183.171.155:3389
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140.82.21.191:443
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71.185.60.227:443
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137.103.143.124:443
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173.49.122.160:995
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96.35.170.82:2222
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71.80.66.107:443
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59.124.10.133:443
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69.28.222.54:443
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47.136.224.60:443
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184.180.157.203:2222
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72.177.157.217:995
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104.221.4.11:2222
Signatures
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resource yara_rule behavioral1/files/0x0007000000024320-14.dat cryptone - Executes dropped EXE 4 IoCs
pid Process 4936 grewyzo.exe 408 grewyzo.exe 220 grewyzo.exe 3832 grewyzo.exe - System Location Discovery: System Language Discovery 1 TTPs 11 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language grewyzo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8888888.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8888888.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language grewyzo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8888888.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8888888.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language grewyzo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language grewyzo.exe - Checks SCSI registry key(s) 3 TTPs 24 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 8888888.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\DeviceDesc 8888888.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\DeviceDesc 8888888.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 grewyzo.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Service grewyzo.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\DeviceDesc 8888888.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\DeviceDesc 8888888.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 grewyzo.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\DeviceDesc grewyzo.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Service 8888888.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Service 8888888.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Service 8888888.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\DeviceDesc grewyzo.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Service 8888888.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\DeviceDesc grewyzo.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Service grewyzo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_HL-DT-ST_DVD+-RW\4&215468A5&0&010000 grewyzo.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\DeviceDesc grewyzo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_HL-DT-ST_DVD+-RW\4&215468A5&0&010000 8888888.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_HL-DT-ST_DVD+-RW\4&215468A5&0&010000 grewyzo.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Service grewyzo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 8888888.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_HL-DT-ST_DVD+-RW\4&215468A5&0&010000 8888888.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Service grewyzo.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2152 schtasks.exe 3964 schtasks.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 3232 8888888.exe 3232 8888888.exe 624 8888888.exe 624 8888888.exe 624 8888888.exe 624 8888888.exe 4936 grewyzo.exe 4936 grewyzo.exe 396 8888888.exe 396 8888888.exe 408 grewyzo.exe 408 grewyzo.exe 2356 8888888.exe 2356 8888888.exe 408 grewyzo.exe 408 grewyzo.exe 4036 explorer.exe 4036 explorer.exe 2356 8888888.exe 2356 8888888.exe 4036 explorer.exe 4036 explorer.exe 220 grewyzo.exe 220 grewyzo.exe 3832 grewyzo.exe 3832 grewyzo.exe 3832 grewyzo.exe 3832 grewyzo.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4936 grewyzo.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3232 wrote to memory of 624 3232 8888888.exe 91 PID 3232 wrote to memory of 4936 3232 8888888.exe 93 PID 3232 wrote to memory of 2152 3232 8888888.exe 94 PID 4936 wrote to memory of 408 4936 grewyzo.exe 98 PID 396 wrote to memory of 2356 396 8888888.exe 99 PID 4936 wrote to memory of 4036 4936 grewyzo.exe 100 PID 396 wrote to memory of 220 396 8888888.exe 101 PID 396 wrote to memory of 3964 396 8888888.exe 102 PID 220 wrote to memory of 3832 220 grewyzo.exe 104
Processes
-
C:\Users\Admin\AppData\Local\Temp\8888888.exe"C:\Users\Admin\AppData\Local\Temp\8888888.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3232 -
C:\Users\Admin\AppData\Local\Temp\8888888.exeC:\Users\Admin\AppData\Local\Temp\8888888.exe /C2⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
PID:624
-
-
C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exeC:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exeC:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe /C3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
PID:408
-
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4036
-
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mlcqbgycx /tr "\"C:\Users\Admin\AppData\Local\Temp\8888888.exe\" /I mlcqbgycx" /SC ONCE /Z /ST 05:38 /ET 05:502⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2152
-
-
C:\Users\Admin\AppData\Local\Temp\8888888.exe"C:\Users\Admin\AppData\Local\Temp\8888888.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Users\Admin\AppData\Local\Temp\8888888.exeC:\Users\Admin\AppData\Local\Temp\8888888.exe /C2⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
PID:2356
-
-
C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exeC:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:220 -
C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exeC:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe /C3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
PID:3832
-
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn gvdnucoxpx /tr "\"C:\Users\Admin\AppData\Local\Temp\8888888.exe\" /I gvdnucoxpx" /SC ONCE /Z /ST 05:38 /ET 05:502⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3964
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.dat
- Size 63B
- SHA256 2b07f11c2e4be18a43a77eef49cdc2ab643b86c8ce7e1be73e5a2879f51a8402
- MD5 32117c5cfd46922c02ba294f25f0fa22
- SHA1 1d28f299a551e20c95b2c39ffd4be6431027639a
- SHA512 b4a05bca34a2381963047fe023038cf757f4ddbbab806681f77abcd30c007ca863696d1a203c3880d80fc839d09032f3ad9bd79bf4d6661847b52698e4af3daa
- TLSH T169A002462C155201B84F1AF60E578A5E51C736E0CA404A985C9175463A2D89117A7B44
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Yvyixdrlf\grewyzo.exe
- Size 1.2MB
- SHA256 a23ef053cccf6a35fda9adc5f1702ba99a7be695107d3ba5d1ea8c9c258299e4
- MD5 136b9c85525ba66276b8c9f6b7014b0b
- SHA1 0cf5ba13d14c28c60586c7f4b9679925fa4d4172
- SHA512 0c02b116029a7d4f4c44988dc6220ed4050c94cab6e57f4aeb29d8edd0b8b59e74c89d6bd62e6e828826f44ebfb478280051ca289ea712c52d5fd113541e2590
- SSDEEP 6144:JanAo3boaSrTBRc6nWF84LvSkgNSjEtIovH6DgJG3uhRtSUgnSt9BYbC38g/T4J:JaAKoRrTBHWC4LINSjA/EMGU/SHomaI
- TLSH T14045C04073B05C0AF1F98FB4D8B656AA4430BE41BA34DD1B919068CEFDF529295F87A3
- MD5 SHA1 SHA512 SSDEEP TLSH