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Analysis
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max time kernel
120s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28/09/2024, 19:44
Behavioral task
behavioral1
Sample
649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.exe
Resource
win10v2004-20240802-en
General
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Target
649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.exe
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Size
29KB
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MD5
52bac988d5a708b6762b49cdb5cc5bc0
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SHA1
642776525f195a008a820fedefc9ea9399521955
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SHA256
649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197b
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SHA512
dd5939b554430cd3196cfe8136c991d04db65c1d80be3d8a417ec253f972111ab0bd0d9b4795f63fe30a87c6b69168600c1839c96d07273deac50ae41c93f3bd
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/fz:AEwVs+0jNDY1qi/qHz
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/3056-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3056-39-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3056-118-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3056-150-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/3056-157-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 4540 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" 649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/3056-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x0008000000023478-4.dat upx behavioral2/memory/4540-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3056-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4540-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4540-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4540-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4540-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4540-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4540-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4540-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3056-39-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4540-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x001100000001e0c2-48.dat upx behavioral2/memory/3056-118-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4540-119-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3056-150-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4540-151-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4540-153-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3056-157-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/4540-158-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.exe File opened for modification C:\Windows\java.exe 649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.exe File created C:\Windows\java.exe 649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.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 649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3056 wrote to memory of 4540 3056 649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.exe 82 PID 3056 wrote to memory of 4540 3056 649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.exe 82 PID 3056 wrote to memory of 4540 3056 649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.exe"C:\Users\Admin\AppData\Local\Temp\649f5d9c26f31328cab66ef437f959bc9d9b5e2dd5096f768080459771ae197bN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056 -
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:4540
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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
MD5ebc41ab5c96aef84b7acbec24325b372
SHA1d68f8838ac43647992007222b706066c052961a7
SHA256eea633428e595410f17f9a0472ac5094836853d0e77268488838501bdd381cf3
SHA512a458c1198406c7b83ff19fe96df2a9f0968ad4f17238af6a6789dd502f5c795fcb7dc7d5d406f0e32a089311f734701c8f0d92be533004faade4aac12e439fee
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Filesize
320B
MD58d5a3edf22435cc5c6da8c44283d3f6e
SHA1d758e37eec0eab5c00a931eb72a4d1412a6e207a
SHA256f662c706e65c71265cd838078eabce1233187e5296a64550d258253fc76c2e91
SHA51259932469efa9791b430f118a1fe5ac15c71e494b851f4949a07b4d266616702be11835aaf478ae0ae7a0be4367cb3870ac1f941f9746e1b483e1eb3e531da12a
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Filesize
320B
MD54ece6af368f9b43a681547af79442d0a
SHA191b88f161bf31e4da8393ab203a0c754c432576f
SHA2564f5492ec3f6cd513fb4eaa01851c0154c899430dc78f05e90e533d4896e3325e
SHA512c56b7aac3bcfc9b0756d2f91f123349879cba78156978573195178621ff105f1cd9578f8938430dd6cf6d41fd88c8db289574f36de6deb2872902a3a76a7f8d9
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2