Analysis
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max time kernel
120s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-12-2024 07:32
Behavioral task
behavioral1
Sample
37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.exe
Resource
win10v2004-20241007-en
General
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Target
37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.exe
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Size
29KB
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MD5
1d1e4a1ced0ddad42c315ba54c2787a0
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SHA1
ec204e7fb9e1c78651dd3508625db2f8436225d5
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SHA256
37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3
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SHA512
623476aee7d79cc0cd605695b99f89bf3d8698bde882c1f362cf51f08f5d396bf01a54c32a93eb7ef8b6345a81d7549fe9949b6a7b9c3f91b1da2f7b4ae11ab0
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/5:AEwVs+0jNDY1qi/qh
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral2/memory/4068-13-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4068-32-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4068-37-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4068-139-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4068-156-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4068-163-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral2/memory/4068-201-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2416 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" 37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4068-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000b000000023b6e-4.dat upx behavioral2/memory/2416-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4068-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2416-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2416-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2416-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2416-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2416-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4068-32-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2416-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4068-37-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2416-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000b000000023ba5-48.dat upx behavioral2/memory/4068-139-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2416-140-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4068-156-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2416-157-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2416-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4068-163-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2416-164-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4068-201-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/2416-202-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.exe File opened for modification C:\Windows\java.exe 37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.exe File created C:\Windows\java.exe 37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.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 37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4068 wrote to memory of 2416 4068 37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.exe 83 PID 4068 wrote to memory of 2416 4068 37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.exe 83 PID 4068 wrote to memory of 2416 4068 37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.exe"C:\Users\Admin\AppData\Local\Temp\37a5ce4e917688ba7073026a99edd25e398710338d640a098d0e3591bc0fbad3N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4068 -
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:2416
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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
310B
MD52a8026547dafd0504845f41881ed3ab4
SHA1bedb776ce5eb9d61e602562a926d0fe182d499db
SHA256231fe7c979332b82ceccc3b3c0c2446bc2c3cab5c46fb7687c4bb579a8bba7ce
SHA5121f6fa43fc0cf5cbdb22649a156f36914b2479a93d220bf0e23a32c086da46dd37e8f3a789e7a405abef0782e7b3151087d253c63c6cefcad10fd47c699fbcf97
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Filesize
312B
MD5c15952329e9cd008b41f979b6c76b9a2
SHA153c58cc742b5a0273df8d01ba2779a979c1ff967
SHA2565d065a88f9a1fb565c2d70e87148d469dd9dcbbefea4ccc8c181745eda748ab7
SHA5126aecdd949abcd2cb54e2fe3e1171ee47c247aa3980a0847b9934f506ef9b2d3180831adf6554c68b0621f9f9f3cd88767ef9487bc6e51cecd6a8857099a7b296
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Filesize
29KB
MD5d9946e501905d00ce7370d4225f6c1d7
SHA1ad890ada6ea568933974d328fe6f6f330bbfc256
SHA2566be7a79e6e497d1bb8198d1a759473229bec736b0d7caa375fc399517a45ded0
SHA512d5d130c99bd401110612b9ba291c12ab270334303222f85f2eff375c2f945b5493b07f8bd75bb158834338df5f78f7b7065b6d1cdd7c1bf1d8cd44ad196dc3fa
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Filesize
352B
MD51e62c835b21cca1d98cdd63b8454c59d
SHA11ddf7a292b07f521fcb6c0fc4fb8e2c455bf7927
SHA256f0da52e0bfacc141072f4f31c91bce6127f92d496fa098bf8843d7405c18669c
SHA51283720c464f9e801b5edc0e65045710ce1c5b58cd5aa30e3105078d5e989a55eb17b32a92ed50b770b5b09b1ed0135b8c294bd121f2e3bc46cbcb4b85b6d1cfe7
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Filesize
352B
MD55d943758b0bd81c7885e5a6e24e97259
SHA1367550b2ff3ca1bf319080229e2ab225347302a5
SHA256481b10ceaec24f5d9d0c8495d658feda4260ae66e77ce7ee958b224a84728a6a
SHA5123b6609ac3c02451fdce32d0a5858fe0d8bc922316910d1f659f032c78e9257db861e6639719e96ff0018dd7a3a23cd35af1fc3c252b86993d5ad70b98f3b1108
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2