Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-11-2024 17:34
Behavioral task
behavioral1
Sample
837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.exe
Resource
win10v2004-20241007-en
General
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Target
837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.exe
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Size
29KB
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MD5
d647828de4c288db7f4550fd5b69eb80
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SHA1
9017aaffd9e1ca325fdaec3051fe27be864d4e11
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SHA256
837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906
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SHA512
2b35f96f09bce55e8036950a4de291dab870c68e7d17fea8fa153b6cebc18ffb1498033fb180156f9ee50e316f67124da1cf7bb02121b2fd0c1f92c4a88503ea
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/s:AEwVs+0jNDY1qi/qk
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4064-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4064-51-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4064-56-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4064-140-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4064-169-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1308 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" 837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4064-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0009000000023bc7-4.dat upx behavioral2/memory/1308-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4064-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1308-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1308-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1308-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1308-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1308-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1308-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1308-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1308-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1308-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1308-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1308-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4064-51-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4064-56-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1308-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-67.dat upx behavioral2/memory/4064-140-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1308-143-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4064-169-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/1308-170-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1308-174-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.exe File opened for modification C:\Windows\java.exe 837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.exe File created C:\Windows\java.exe 837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.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 837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4064 wrote to memory of 1308 4064 837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.exe 83 PID 4064 wrote to memory of 1308 4064 837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.exe 83 PID 4064 wrote to memory of 1308 4064 837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.exe"C:\Users\Admin\AppData\Local\Temp\837463c45dae014c8530def473114a72aaca017ace1b8173d853823c885dd906N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4064 -
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:1308
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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
MD50ce7a218ced3d0cca97224e7692b65e3
SHA1a5d432f38c378ee83433e48a2c5802aabb6910fd
SHA2564ca248f524fb2d4ebfeb4adfc1103c1f9af1b8b08bbac9af9f89c7d50a66d64a
SHA512ef43055730623a96e037d50d029459c193f065e6d1dc8568c15eadefdd76b0fc1953addee5bbb85bda7a94e180599023bc1962b9d6a09c10c7854b247959aed1
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Filesize
320B
MD5feebc53949e405272534cf204c36a1f1
SHA1b87d9546e9cea7f7d29826e169bebb1290e59e27
SHA2564265192d874bbd3dffd52c6f4320d8c79ef4e1077a2f229e6d3bf0d7511e3680
SHA5127bc11dde220c50b89ce1cea49400cd0c4eaf3ca287385ca8c19d671124982892f075efa02a6bcb61f16927a7902711cb1b630c2e3f34c604ea023c2fd9f2791d
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Filesize
320B
MD56fca8b7d71ec3c088e2e8a8bc8dcdb38
SHA1fbabf9a78610b557c28b37f988c76ddd8a5142b0
SHA256d90ec2f8e383d2193dadcb5ef41ba39af8a3085cffd626231d1bc3cf9e430de3
SHA51242298d9ea5f404f64da25903f61dd686691ab32ba4c305ca7a667a526916a82aa9fb32cbcf2feb8916027352b77ed3351d3cfa2100e423415e4b40de481f3206
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2