Analysis
- max time kernel
149s - max time network
156s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system - submitted
08/05/2026, 09:28
Behavioral task
behavioral1
Sample
d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe
- Size 766KB
- Sample260508-lfbk3sft2v
- SHA256 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a
- MD5 6287bf3d45ba5c7d1334a6025371bde2
- SHA1 6a839961accdd7e1d16e919d35b831da6d0dbb26
- SHA512 61f621757e1ed2e7e119ce0d14a4b3463bdd03b43f88f0de082bcdffdbb112061e9d7a641341a724e1567dfb1d29f161a8415e0eb39338b4a7a5a12f673b44cd
- SSDEEP 12288:WSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:VvO2xJKRw2kOkx2LFRvcUV
- TLSH T1E9F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3984 e7c4944a - 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 24 223.5.5.5 5480 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Destination IP 1 114.114.114.114 5480 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Destination IP 2 223.5.5.5 5480 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Destination IP 23 114.114.114.114 5480 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e7c4944a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e7c4944a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e7c4944a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e7c4944a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e7c4944a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e7c4944a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e7c4944a File created C:\Windows\SysWOW64\e7c4944a d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e7c4944a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e7c4944a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e7c4944a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e7c4944a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e7c4944a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e7c4944a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e7c4944a -
resource yara_rule behavioral2/memory/5480-0-0x0000000000690000-0x000000000071C000-memory.dmp upx behavioral2/memory/3984-3-0x00000000005A0000-0x000000000062C000-memory.dmp upx behavioral2/files/0x001800000002ad5a-2.dat upx behavioral2/memory/5480-18-0x0000000000690000-0x000000000071C000-memory.dmp upx behavioral2/memory/3984-20-0x00000000005A0000-0x000000000062C000-memory.dmp upx behavioral2/memory/3984-40-0x00000000005A0000-0x000000000062C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\443520 e7c4944a File opened for modification C:\Windows\5dd1d0 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.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 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e7c4944a - 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:" e7c4944a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e7c4944a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e7c4944a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e7c4944a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e7c4944a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e7c4944a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e7c4944a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e7c4944a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e7c4944a - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3984 e7c4944a 3984 e7c4944a 3984 e7c4944a 3984 e7c4944a 3984 e7c4944a 3984 e7c4944a 3984 e7c4944a 3984 e7c4944a 5480 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe 5480 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe 5480 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe 5480 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe 5480 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe 5480 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5480 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Token: SeTcbPrivilege 5480 d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe Token: SeDebugPrivilege 3984 e7c4944a Token: SeTcbPrivilege 3984 e7c4944a
Processes
-
C:\Users\Admin\AppData\Local\Temp\d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.exe"C:\Users\Admin\AppData\Local\Temp\d1e8c48715173102bc8932c66c133dd09cad400d0d70969360029b807d5e2f0a.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:5480
-
C:\Windows\Syswow64\e7c4944aC:\Windows\Syswow64\e7c4944a1⤵
- 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:3984
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e7c4944a
- Size 766KB
- SHA256 d29806e274f91e8b8ab4758aee07457bb8909d304a4c7d3d0ca7b4c68cb9b803
- MD5 89a85163fde54c8d0577487fea316409
- SHA1 616aa1e92434ddd69f25799954a74208128bb840
- SHA512 6293cf1b57cfd2fb997886655661a992043b81ae8f42a3feb19d5e9189573062ebd7c74dba84d7ac16687f3f2bb47a7e01936a49a421c29d0247966ff975c25e
- SSDEEP 12288:USvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:nvO2xJKRw2kOkx2LFRvcUV
- TLSH T143F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH