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
17-01-2025 10:34
Behavioral task
behavioral1
Sample
3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.exe
Resource
win10v2004-20241007-en
General
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Target
3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.exe
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Size
29KB
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MD5
a773096e202182a16f4c7551064dede7
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SHA1
75ce689ecb5f60eb91e7deecea683a27ec4777f0
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SHA256
3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2
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SHA512
e7829ade5c46ad131343f99fe1e5f2c4fd805d1e70c888340b7eb8048ebd020594409d8a22e94a0528bc1c559cd9483d7b621c4cde390bdf1639dc1e0d578066
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Ghs:AEwVs+0jNDY1qi/q+O
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2864-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2864-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2864-104-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2864-165-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/2864-167-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3920 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\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.exe -
resource yara_rule behavioral2/memory/2864-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000e000000023b6a-4.dat upx behavioral2/memory/3920-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2864-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3920-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3920-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3920-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3920-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3920-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3920-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3920-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2864-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3920-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0003000000021f51-53.dat upx behavioral2/memory/2864-104-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3920-105-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2864-165-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3920-166-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2864-167-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/3920-168-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3920-173-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.exe File opened for modification C:\Windows\java.exe 3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.exe File created C:\Windows\java.exe 3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2864 wrote to memory of 3920 2864 3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.exe 82 PID 2864 wrote to memory of 3920 2864 3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.exe 82 PID 2864 wrote to memory of 3920 2864 3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.exe"C:\Users\Admin\AppData\Local\Temp\3bdff259d66eb52a2d92918fe16982f9bb78faec3f1c842cff6c0772f36efdb2.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2864 -
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:3920
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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
MD5cad01d435ac08cb629eded92151c3e90
SHA14d0bd17f6deb8f52e26f669d5c6fbf87d34e350f
SHA2563ca9d2b321a63ed326ce5d0a73b2c3f157af248e52f0446228434145e04e43dd
SHA5125c94277555a0078980ba4537764dccc8fb4af33e0a35e4127713b7e4c24fab4c11d7464a309c9d45bb99973e7bd0dd548cfc2758bab8577fe69ef27034b1b609
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Filesize
320B
MD5dd54d8e9969ca26d13afedb632f7a4e2
SHA158f05019fe32649e7c1de53bbf4fa2d259a719e5
SHA25639425c88d4a62d6feb1523ea3bcbf1cffd43b5d326b2503c55661cf136afd434
SHA512277d961a7b34f82dc943969c8af556580c4a490cb052adb18b85479f78a3b9550c2d558571aaada1c0c18e14bc1e6da472ac077f760a1c983631b6ba47eaf76d
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2