Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2024, 03:06
Behavioral task
behavioral1
Sample
84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.exe
Resource
win10v2004-20240802-en
General
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Target
84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.exe
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Size
29KB
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MD5
affadffd358835f7ba4dae8d953954b0
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SHA1
ba3137565c767e9aa7f88f56a8a25e6697daa5fe
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SHA256
84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0e
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SHA512
dcbf341834086f16acf81c9778aeb9a66ab3f3dee57d7e07a0457a01a04664ddf9cae290e173f18f38bd3772d6bb22f8033bd334c38286cb68877289e43b2a7e
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/o:AEwVs+0jNDY1qi/qw
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/4964-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4964-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4964-94-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4964-141-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4964-165-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4964-172-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 4504 services.exe -
resource yara_rule behavioral2/memory/4964-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000800000002347a-4.dat upx behavioral2/memory/4504-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4964-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4504-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4504-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4504-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4504-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4504-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4504-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4504-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4504-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4504-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4964-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4504-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000709-60.dat upx behavioral2/memory/4964-94-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4504-95-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4964-141-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4504-155-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4964-165-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4504-166-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4504-168-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4964-172-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4504-173-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.exe File created C:\Windows\services.exe 84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.exe File opened for modification C:\Windows\java.exe 84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.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 84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4964 wrote to memory of 4504 4964 84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.exe 84 PID 4964 wrote to memory of 4504 4964 84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.exe 84 PID 4964 wrote to memory of 4504 4964 84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.exe"C:\Users\Admin\AppData\Local\Temp\84b76ead800289bda9f0961e36fa97ebaadffd833de58c9eab75e6c99efb4f0eN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4964 -
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:4504
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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
MD5d84967e6b24a9fd3755a5acb54be05cd
SHA10b3c5e7fbb2529a09ddd8914e30426f49bc07148
SHA256dfd8cef6102eb3b5692df6f755b0e4041601d5e780aa76f1673413ec3f7a501b
SHA512c52716bc66fe1e7626cfa2fd259d3d617a790495d8114cb8548aa9a303bbba42b62eeaf5fdec6769d2a86a4ca720f49b52570a4d43ca99717bdebb047bfe0f9a
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Filesize
320B
MD5ad6e424cf186ee0d9d983321cc2c985b
SHA110de833fa7abf426a9fb657cf77cc2e83f3a6852
SHA25683423d26556a7826c45edea7692e23eeaadd9a0bff3267a8a1e0ab87eb521e8d
SHA512aac381c6bb26f5c31713b4142b823e2c626af66520bb7311e9b1940e0d625deed06041a905f5edc0c13de969462fe4ab6f83d932269ec8840b1ee3d51c40e069
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Filesize
320B
MD5d07b9b85d0c6cb63fc449196b11ba4bc
SHA14c04932caa79b7200dc4ab133f58ed291139202a
SHA256e7620efb9bcbc5636269810605487b097ee5b5ead32c25e433de1613f7107270
SHA5120e81b7405ab47019b4ae989eaf619541c1bba6e76a117dc1170b7b52c2bfbb05b33d74d14c325a14f4610f4a519109ebabeb992314bb256d4493d15c110c5702
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Filesize
320B
MD5a3743aabac312e6ac3a790172f7a521a
SHA1a285eb8ae33f3f15f6acca47eeb059606e12a150
SHA25652db337f6baabf28639086f00b0f34dfd0b8c3d0b1021edf1890d740341aabd9
SHA5129a66bbf66279955dfd1f711097f0b17688492d17ba49a1d36277e1e76ccb73d7246b34882d8fe4c5f7421a6b89d899c8f7f670e2054abcdd3bb91cee2e1c8502
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2