Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/05/2026, 02:21
Behavioral task
behavioral1
Sample
b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe
- Size 2.9MB
- Sample260529-cs5j9abs8x
- SHA256 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6
- MD5 63affc659f93987108fa74e14157a266
- SHA1 b2b1f74827c1d056bf1e7ec4a2a563862e522fd9
- SHA512 2b80ed340ff4fcb30946dd6d71a11d91450e537f6ad0b8b7f42a8d679f071ec4f544d3294ede13c1c45a884af98b889f66957bbf7954ebdb7510b122e47760aa
- SSDEEP 49152:CHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:CnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T14FD59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3812 9b828cab - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 1 114.114.114.114 3372 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe Destination IP 2 223.5.5.5 3372 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe Destination IP 11 114.114.114.114 3372 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe Destination IP 13 223.5.5.5 3372 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 9b828cab File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 9b828cab File created C:\Windows\SysWOW64\9b828cab b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe -
resource yara_rule behavioral2/memory/3372-0-0x0000000000180000-0x000000000020C000-memory.dmp upx behavioral2/files/0x002000000002b2a5-2.dat upx behavioral2/memory/3812-4-0x0000000000630000-0x00000000006BC000-memory.dmp upx behavioral2/memory/3372-15-0x0000000000180000-0x000000000020C000-memory.dmp upx behavioral2/memory/3812-16-0x0000000000630000-0x00000000006BC000-memory.dmp upx behavioral2/memory/3812-33-0x0000000000630000-0x00000000006BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\414348 9b828cab File opened for modification C:\Windows\39bad8 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe - System Location Discovery: System Language Discovery 1 TTPs 2 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 9b828cab Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 9b828cab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 9b828cab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 9b828cab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 9b828cab Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 9b828cab Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 9b828cab Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 9b828cab Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 9b828cab Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 9b828cab - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3812 9b828cab 3812 9b828cab 3812 9b828cab 3812 9b828cab 3812 9b828cab 3812 9b828cab 3812 9b828cab 3812 9b828cab 3372 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe 3372 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe 3372 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe 3372 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe 3372 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe 3372 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3372 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe Token: SeTcbPrivilege 3372 b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe Token: SeDebugPrivilege 3812 9b828cab Token: SeTcbPrivilege 3812 9b828cab
Processes
-
C:\Users\Admin\AppData\Local\Temp\b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe"C:\Users\Admin\AppData\Local\Temp\b954298b15f1c2122171e643b823d535bb04aa428103c044d7952af4f68bcee6.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3372
-
C:\Windows\Syswow64\9b828cabC:\Windows\Syswow64\9b828cab1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3812
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\9b828cab
- Size 2.9MB
- SHA256 3db60ff241b53cfa5befde87a9c69ddb96f0d64aac0e617fc0e93095ce690062
- MD5 5be8dca020a263e04b3916e8467ab50d
- SHA1 f6c3977fc88809e48ad15c8ff55a6dc306fb2693
- SHA512 ef63da6a38e38e438b0c543bacb4d138e321a25a9198bb11ad6650feb85dfe6af00df2c3b81616714fcc37b045f20fbb3ec4e3d8b6b58d136d07a24d72c53344
- SSDEEP 49152:rHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:rnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1BFD59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH