Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/08/2026, 08:37
Behavioral task
behavioral1
Sample
83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe
- Size 1.7MB
- Sample260810-kjamhsvdka
- SHA256 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9
- MD5 8d793af533233eba359b12641aa4fc0b
- SHA1 0fbf2e3f76adfe1247d4fbfc664d8f7c5d85257e
- SHA512 130b5312d06caf91ab9d75e126fe2042f3b7df750b9518e73645d08ffdceb9bc024f4715deaefc0c4d80e92e38c2cd083dc97df87168c49a6cc3f77db4d79990
- SSDEEP 24576:jvO2xJKRh2kOkx2LFxNcUQPxuZ98Es8k3OH3C0rQ6+8pKJJFo3Q+qdCOKIbA0I:jHHKX2WQt5QZuTtS0rQMYOQ+q8CE0I
- TLSH T1E9859E21B791C036D4AB01758AB98BAEA578BD31072551C7B3C47A7E5FB12D2AE3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2320 1554e8f4 - 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 23 114.114.114.114 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe Destination IP 24 223.5.5.5 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe Destination IP 3 114.114.114.114 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe Destination IP 5 223.5.5.5 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1554e8f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1554e8f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1554e8f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1554e8f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1554e8f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1554e8f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1554e8f4 File created C:\Windows\SysWOW64\1554e8f4 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1554e8f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1554e8f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1554e8f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1554e8f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1554e8f4 -
resource yara_rule behavioral2/memory/2268-0-0x0000000000730000-0x00000000007BC000-memory.dmp upx behavioral2/files/0x000f000000016cb6-2.dat upx behavioral2/memory/2320-4-0x0000000000980000-0x0000000000A0C000-memory.dmp upx behavioral2/memory/2268-16-0x0000000000730000-0x00000000007BC000-memory.dmp upx behavioral2/memory/2320-17-0x0000000000980000-0x0000000000A0C000-memory.dmp upx behavioral2/memory/2320-32-0x0000000000980000-0x0000000000A0C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\27b820 1554e8f4 File opened for modification C:\Windows\26d438 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.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 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1554e8f4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1554e8f4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1554e8f4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1554e8f4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1554e8f4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1554e8f4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1554e8f4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1554e8f4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1554e8f4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1554e8f4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2320 1554e8f4 2320 1554e8f4 2320 1554e8f4 2320 1554e8f4 2320 1554e8f4 2320 1554e8f4 2320 1554e8f4 2320 1554e8f4 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe Token: SeTcbPrivilege 2268 83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe Token: SeDebugPrivilege 2320 1554e8f4 Token: SeTcbPrivilege 2320 1554e8f4
Processes
-
C:\Users\Admin\AppData\Local\Temp\83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.exe"C:\Users\Admin\AppData\Local\Temp\83aa2e68299d31ac063c4913f4f05c8c34a9c53975fc42a6f99f7a50bcdaffc9.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:2268
-
C:\Windows\Syswow64\1554e8f4C:\Windows\Syswow64\1554e8f41⤵
- 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:2320
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1554e8f4
- Size 1.7MB
- SHA256 7aa83e52734072f8ae9062ad797c954908fa93d84286c31d94730fdb7b8920bf
- MD5 c621c48798a1137de625e1761e7a83bd
- SHA1 0e2cbd42b411d7f5fd060a2c8f4a7c0c47556015
- SHA512 739467a2b47d3bbd57d6d19e19e5c975f4f6b717f02212e95ad933cd37f5189b6f19ed079da0abf62802b98a130d0c66949d389cbd1de458c82c8b4cc2c8dedc
- SSDEEP 24576:uvO2xJKRh2kOkx2LFxNcUQPxuZ98Es8k3OH3C0rQ6+8pKJJFo3Q+qdCOKIbA0I:uHHKX2WQt5QZuTtS0rQMYOQ+q8CE0I
- TLSH T102859E21B791C036D4AB01758AB98BAEA578BD31072551C7B3C47A7E5FB12D2AE3130F
- MD5 SHA1 SHA512 SSDEEP TLSH