Analysis
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max time kernel
120s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-01-2025 15:48
Behavioral task
behavioral1
Sample
7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.exe
Resource
win10v2004-20241007-en
General
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Target
7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.exe
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Size
29KB
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MD5
57802f9de9ad68a3d0c3592806401400
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SHA1
64aa1daef809a58d8e7131cbd62c73f87fd5a037
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SHA256
7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994
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SHA512
f2a7079efed3e49037c7012f22c5e7b0b2aa8725521d437f0b45c83d69219892ac8508f59a4b0cf21380af1655d28f62dba32bff15c7eaee459ced549d756a0f
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/ehJ:AEwVs+0jNDY1qi/q2z
Malware Config
Signatures
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Detects MyDoom family 3 IoCs
resource yara_rule behavioral2/memory/4316-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4316-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4316-79-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 4144 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4316-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023cad-4.dat upx behavioral2/memory/4144-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4316-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4144-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4144-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4144-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4144-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4144-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4144-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4144-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4144-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4144-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4144-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4316-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4144-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0005000000000707-68.dat upx behavioral2/memory/4316-79-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4144-120-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.exe File created C:\Windows\services.exe 7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.exe File opened for modification C:\Windows\java.exe 7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.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 7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4316 wrote to memory of 4144 4316 7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.exe 85 PID 4316 wrote to memory of 4144 4316 7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.exe 85 PID 4316 wrote to memory of 4144 4316 7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.exe"C:\Users\Admin\AppData\Local\Temp\7c43ab7bdcb4b58e0f0c249b67feecccdcd577ecce52353666e2da80cd622994N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4316 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:4144
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
29KB
MD5177c986ab6b8fe2b73befee625bdaa36
SHA18e674b9d7bf128346f6be2856235042b11d755a1
SHA256a532276c7242838329d2426cb174655feebc1456e8db7c2849062fe9039aaff6
SHA512995b3755488e0faa45ea2ed5c3d431b895917e2988c8721aafdf7cdd9fe1568b525dd2589ac5078743cac7321e04f0677e2844e3d8ee879682728e76a8519bbc
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Filesize
320B
MD5d82c440f88ef7af28a8f1c12ee2490d4
SHA1f319e860413c889ca870d69daa0eb8e0f8a235af
SHA2564812cd41648a5a9c81b8df81981f5a3ee1093d525b6576d6f84d164a15ccdb99
SHA512445803eaad7d429599e7d872ac2ba4c154b8db71211bee9203d806bec1be9ddc9a01b1febb78b9ab6b0e0f486604500fb27f761eae0169c35f35a48114a8edc9
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2