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
11-12-2024 05:45
Behavioral task
behavioral1
Sample
cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.exe
Resource
win10v2004-20241007-en
General
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Target
cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.exe
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Size
29KB
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MD5
ebffdba540cc09e672d228001c2c3720
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SHA1
91f40b37f1f6303f7729cd7a5aa764e2694489cc
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SHA256
cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705d
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SHA512
b9e46bdba2004bfd1bf8e3dad55e49055960dd415a5f82dce587f19388cf1c95558f164ac1b64c22166017d71b2bdfd4df2bf5412a10d240c4db1017d5e545a1
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/9:AEwVs+0jNDY1qi/q1
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4316-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4316-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4316-44-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4316-132-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4316-153-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2976 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" cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.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/0x000b000000023b72-4.dat upx behavioral2/memory/2976-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4316-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2976-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2976-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2976-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2976-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2976-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2976-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2976-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4316-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2976-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4316-44-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2976-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021f4b-55.dat upx behavioral2/memory/4316-132-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2976-133-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4316-153-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2976-154-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2976-158-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.exe File opened for modification C:\Windows\java.exe cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.exe File created C:\Windows\java.exe cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.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 cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.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 2976 4316 cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.exe 83 PID 4316 wrote to memory of 2976 4316 cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.exe 83 PID 4316 wrote to memory of 2976 4316 cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.exe"C:\Users\Admin\AppData\Local\Temp\cb95036ba5b0d22fb0a4e08dcb430d28f8d2c74bcaf4f51d647429a147a0705dN.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:2976
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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
MD551311784835dd86c11a10506fd626db2
SHA162d525a040d670fd750c722e6e4f1ad203b64a63
SHA2569aaf9945301bdf9e960ef3eeb7af2422616b8c7dec44a71536e79fc992738362
SHA5129eb5269121822b93e57225809da1efa46faee30504c3788d82731f3933ce4669312e8cb00c885bec2eb2788addab5a9dd60aae88bce0550e3b1faab6c2038966
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Filesize
352B
MD5b6f9c8b2a0980f07b6b1b5f99dea9abe
SHA1b9cf0265c0275ae26fea6ec37713f0f8967cfdb5
SHA2564cbda00b9280478a9675e6be3e2a058e3167efcae983b545a0bbbbd3ba4aea32
SHA5121122d957fc4392144ce0d0b6576062bd78459a12ba00935a80ed723d13f012c59c0ab7c9d4b0a472f24ba9ee465d0f80c423f2b5aa2e5cb9d09d91ddd66cdf70
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Filesize
352B
MD517a41f208ac6d2dac218611ed581a569
SHA1836179403a7c62332a8dcc8951b19e06304d8321
SHA2569b51ca53b7814a7396550fd0d6af158dbe2fa9090ad089e4f4cdebb487f8c418
SHA51215fdbc33cc12b5acfb658f49b6ac58e8efa96a0fb6a2ec71d167c494909d1367b71033d9df8b29cb75a2fbf18836ffbf7855a254047ee93d7477847393c096b6
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2