Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-12-2024 02:29
Behavioral task
behavioral1
Sample
c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.exe
Resource
win10v2004-20241007-en
General
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Target
c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.exe
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Size
29KB
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MD5
e081dee65c9cb4c136e58fed80c2886f
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SHA1
f1efa8442c82037eb82fe43f53ab13c537c2fc0f
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SHA256
c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8
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SHA512
87bc0927962da7ebd13732a4b1b074b20cce73841e0f0371040b228e38795f43289ebcee4a6e440d655ff5d52c57207d69ba919036a9c850267d27e061909012
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/W:AEwVs+0jNDY1qi/qu
Malware Config
Signatures
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Detects MyDoom family 6 IoCs
resource yara_rule behavioral2/memory/532-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/532-49-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/532-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/532-138-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/532-157-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/532-164-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1372 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" c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/532-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023cb1-4.dat upx behavioral2/memory/1372-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/532-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1372-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1372-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1372-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1372-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1372-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1372-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1372-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1372-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1372-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/532-49-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1372-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/532-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1372-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-62.dat upx behavioral2/memory/532-138-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1372-139-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/532-157-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1372-158-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1372-160-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/532-164-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1372-165-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.exe File opened for modification C:\Windows\java.exe c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.exe File created C:\Windows\java.exe c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.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 c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 532 wrote to memory of 1372 532 c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.exe 83 PID 532 wrote to memory of 1372 532 c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.exe 83 PID 532 wrote to memory of 1372 532 c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.exe"C:\Users\Admin\AppData\Local\Temp\c4f6c7157145695191b9fefa455dc23d416b0a38c772f850341d50f5406f6dc8.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:532 -
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:1372
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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
MD5ec04ce8e470233b609716bdbcb19dd49
SHA1d2967adc1aec8ccfa2eb31e685d99453d9af7ac0
SHA256745e332d98a3ba7f4cbbf27329d9a5b3bad6a2c50acb93a10c75eff1b425ee04
SHA51225e05e17839597f03ca91155f3cdc96586bdfc297d8c046719393d52c1d9076aed01d2e655ad9bd2473fc2a5676452bb02b2848482b0e0725320edd9c666f360
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Filesize
320B
MD583d990950600d26c990a0ac0ddc7889a
SHA1e21314718308ddf983938a0e07e4ae620fdbd6b0
SHA2561a58f63832a4e6a38e494588c7fc7aa031011f26bec699155eeccd920005bdfa
SHA512819f07b0e14df65e51cb438eb4122ceead4365a06b1b3e2df26ab9e0043bd6adc033f415aaa2ec1b5e7efce31cd7890acd7881c54c2a60f5ab53d9e7cc376130
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Filesize
320B
MD5fad56848173a2f7fe9ced704a616f687
SHA1e1b6314def782175c6b4c91348ed954b32707f93
SHA25683603c3e6dbf9f5288fef8c707c8039f9a846f9343e97258b7eeedefbec3c08b
SHA5122b83de743715e1214918e7ec36ccbd68407e9690558b86454bd1cf2340ceb27a56064fd7e73eb36ead982c707236bd52cbc8a0f5ad992a337966d2da729b5694
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Filesize
320B
MD5bcc01abbded025cc0a4aaa229345f9f1
SHA17cce50a5ca2be4252231cceec6278f17969bd61a
SHA2564a6892c526e8dbdc0fa69da13c50e672f6c6586966a877e639931ae155e7dc18
SHA512d50eaed703ab2424d27cfdedcc9197272d62a019e5f06839b6bec1b9b9781c45a2f1137f926ce3666d2406be15ab4fba2b89367c3b738b33ed96bebeac3638e8
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2