Analysis
- max time kernel
149s - max time network
149s - 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, 04:30
Behavioral task
behavioral1
Sample
0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe
- Size 640KB
- Sample260529-e42nvacx9k
- SHA256 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe
- MD5 0a2b9d07e9331df4ab4a8a1e4f79f342
- SHA1 a3917c22e72e33a0a93bb2280e59334f001e64d1
- SHA512 6dd2a40e7444de9b32b017ed0b09d1bf072d6ce90faa059e1b30b8ab5e5e59fbae83b6b11499a0701d3b9c69ae8951192afc8783a6bee6b12562dfd7359ca8c9
- SSDEEP 6144:TcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:TSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T17CD45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5048 aa1e9ef - 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 2 223.5.5.5 1292 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe Destination IP 8 114.114.114.114 1292 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe Destination IP 9 223.5.5.5 1292 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe Destination IP 1 114.114.114.114 1292 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData aa1e9ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content aa1e9ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 aa1e9ef File created C:\Windows\SysWOW64\aa1e9ef 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 aa1e9ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 aa1e9ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE aa1e9ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 aa1e9ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 aa1e9ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 aa1e9ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies aa1e9ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft aa1e9ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 aa1e9ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 aa1e9ef File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache aa1e9ef -
resource yara_rule behavioral2/memory/1292-0-0x0000000000810000-0x000000000089C000-memory.dmp upx behavioral2/files/0x00130000000270df-2.dat upx behavioral2/memory/5048-4-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral2/memory/1292-10-0x0000000000810000-0x000000000089C000-memory.dmp upx behavioral2/memory/5048-11-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral2/memory/5048-30-0x0000000000460000-0x00000000004EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\566c70 aa1e9ef File opened for modification C:\Windows\161e98 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.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 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aa1e9ef - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" aa1e9ef Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing aa1e9ef Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix aa1e9ef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" aa1e9ef Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" aa1e9ef Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" aa1e9ef Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ aa1e9ef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" aa1e9ef Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" aa1e9ef - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5048 aa1e9ef 5048 aa1e9ef 5048 aa1e9ef 5048 aa1e9ef 5048 aa1e9ef 5048 aa1e9ef 5048 aa1e9ef 5048 aa1e9ef 1292 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe 1292 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe 1292 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe 1292 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe 1292 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe 1292 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1292 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe Token: SeTcbPrivilege 1292 0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe Token: SeDebugPrivilege 5048 aa1e9ef Token: SeTcbPrivilege 5048 aa1e9ef
Processes
-
C:\Users\Admin\AppData\Local\Temp\0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.exe"C:\Users\Admin\AppData\Local\Temp\0909b20436d9beaf2de360c9d9184e265df8f4d5e018d3fff4b806cf2d7338fe.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:1292
-
C:\Windows\Syswow64\aa1e9efC:\Windows\Syswow64\aa1e9ef1⤵
- 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:5048
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\aa1e9ef
- Size 640KB
- SHA256 be2d2ab57b51970f50076a8e0626ec7c0aa6c82a52003e17ac03158ef7919b66
- MD5 fbe10ad59bf4bf29768083097b567579
- SHA1 aff4b88b09bdc506973dd1647f8eb8847062f370
- SHA512 cf17f2189850d9b548c7eac0e3ba526fa9327dff4de74cc44fdd42fa573af31e5bd8a8f86a48393247906527fa2dfad0b09f0f8a445cf8f4d2a0e06dbb05ea7a
- SSDEEP 6144:pcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:pSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T168D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH