Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/05/2026, 10:33
Behavioral task
behavioral1
Sample
7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe
- Size 560KB
- Sample260528-mlxaeaew4v
- SHA256 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d
- MD5 3ef3320c13a624154bfee1fb7adf38c8
- SHA1 434af9531de5259604be661417055f1761a9d407
- SHA512 7a17de6c2a029289d88451b027b7e1f48ed81d691de856c229e9f82723f9fbec92f91bccb1cb37a9df7b92cb6702e5839632002a09364aa027bfd41cc49659c4
- SSDEEP 6144:YWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:YkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1D6C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3388 c98e3ef5 - 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 52 114.114.114.114 3356 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe Destination IP 57 223.5.5.5 3356 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe Destination IP 3 114.114.114.114 3356 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe Destination IP 4 223.5.5.5 3356 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c98e3ef5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c98e3ef5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c98e3ef5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c98e3ef5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c98e3ef5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c98e3ef5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C c98e3ef5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C c98e3ef5 File created C:\Windows\SysWOW64\c98e3ef5 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c98e3ef5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c98e3ef5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c98e3ef5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c98e3ef5 -
resource yara_rule behavioral1/memory/3356-0-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral1/files/0x000600000001e6bc-3.dat upx behavioral1/memory/3388-4-0x0000000000F50000-0x0000000000FDC000-memory.dmp upx behavioral1/memory/3356-13-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral1/memory/3388-14-0x0000000000F50000-0x0000000000FDC000-memory.dmp upx behavioral1/memory/3388-24-0x0000000000F50000-0x0000000000FDC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3a00f8 c98e3ef5 File opened for modification C:\Windows\3974b8 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.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 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c98e3ef5 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c98e3ef5 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c98e3ef5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c98e3ef5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c98e3ef5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c98e3ef5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c98e3ef5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c98e3ef5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c98e3ef5 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c98e3ef5 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3388 c98e3ef5 3388 c98e3ef5 3388 c98e3ef5 3388 c98e3ef5 3388 c98e3ef5 3388 c98e3ef5 3388 c98e3ef5 3388 c98e3ef5 3356 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe 3356 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe 3356 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe 3356 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe 3356 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe 3356 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3356 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe Token: SeTcbPrivilege 3356 7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe Token: SeDebugPrivilege 3388 c98e3ef5 Token: SeTcbPrivilege 3388 c98e3ef5
Processes
-
C:\Users\Admin\AppData\Local\Temp\7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.exe"C:\Users\Admin\AppData\Local\Temp\7635de5815f369b67c8a3d48bf4c86ee0c0b23e57801eeef6ec3f9a8174bf45d.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:3356
-
C:\Windows\Syswow64\c98e3ef5C:\Windows\Syswow64\c98e3ef51⤵
- 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:3388
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c98e3ef5
- Size 560KB
- SHA256 afb6ffff88a07d44cb3e311043ca95bb126878a7c5046fe104446d5d3cb89149
- MD5 4b7adb264baff1e115f0bb3781071374
- SHA1 9960134dde6a08681e5a38270828ad1ae50e3203
- SHA512 694a14b0560b1f56dfdd0f84953bc0fd8a47590940dbba12701db6620874ade57282fdcbce0e1e1f5604cd32475eeee9ab2121e867ec84fafe085e6658676d16
- SSDEEP 6144:RWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:RkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T146C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH