Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/08/2024, 11:29
Behavioral task
behavioral1
Sample
b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.exe
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Size
28KB
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MD5
b34a1025cdde866e050423a15dcbbb43
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SHA1
da88d68b0d70437d10bed566c20f30c0572b3e48
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SHA256
9c0c0043b1adb3329e40d87bc1c095abc4e99b3e07c64a1078b3eef596d1b021
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SHA512
76970f29f4358202a0167c6284e643269ff6e68f9845cb6e7546f4f0564664fbc19d6044a028381450594873a34bd05f01cbc970a3cf05835e5ee2f7285bbfcd
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNCR65:Dv8IRRdsxq1DjJcqfI
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/5096-13-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/5096-51-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/5096-56-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/5096-162-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/5096-184-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 3948 services.exe -
resource yara_rule behavioral2/memory/5096-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x00080000000234cf-4.dat upx behavioral2/memory/3948-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5096-13-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3948-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3948-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3948-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3948-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3948-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3948-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3948-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3948-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3948-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3948-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5096-51-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3948-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5096-56-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3948-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000c000000023409-67.dat upx behavioral2/memory/5096-162-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3948-163-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5096-184-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3948-185-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3948-189-0x0000000000400000-0x0000000000408000-memory.dmp upx -
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" b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.exe File opened for modification C:\Windows\java.exe b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.exe File created C:\Windows\java.exe b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.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 b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5096 wrote to memory of 3948 5096 b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.exe 85 PID 5096 wrote to memory of 3948 5096 b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.exe 85 PID 5096 wrote to memory of 3948 5096 b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b34a1025cdde866e050423a15dcbbb43_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5096 -
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:3948
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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
1KB
MD5e6b2b4143b1c1e67893ec0636fcb8a7e
SHA1ee11e8dc01e66f9a687a2fcb2f3cb6f3305dea40
SHA25619e8cb883f2f8821cccf721467150cb3d67719ea2ac9bcaca813ce7367b5b46f
SHA512fcf7ff714be214cb1c256d885bcaf1e3ac84f47bd0d0de3655fdb3a50288100ded532b214ff8d55c30c2ed0bc1fd1ab492aae584935678c8ca6e4f4e50a84952
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Filesize
28KB
MD5bf634557b6e5ea874436187497da94d6
SHA1c511c8a07e8bc06b184f21a1912d8335ae6ac215
SHA256aa0f4c0f65dc197738ba8373df01896607a1137c824d662c1819496a0bf42312
SHA5124234e6abf8137c3a5236f4bb6f3e728ae4f3e6b739fc1f9bc09038618dbd109b0854e19932d2bd2662a62a1b44b1c358a731401301017ffc4038628977a1816d
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Filesize
1KB
MD55b8b8291f6b22810a629f0059c56034e
SHA18b9a1b386caad53f22c5b4009a2ee3859debc10e
SHA256bd0f81af7fe4e7f905ac4dd2ea0fde45bddcbd3959172ffff9b4273a45b4c710
SHA512c3f24bb4778bdc5cd7a3c181065acb26b8092eaca70618122b1c5a913f59f5a5ef58cabfde1ef60f8f452be5e9e4efd971226570f4aebb85be72582aaeeab92e
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Filesize
1KB
MD5ed6dc461bde5f9effc3fdb4f6ba75891
SHA1a47a87d51034f064e337d83c48bc04f3e074cb9d
SHA256d6d969be19229e6565fcbf96df78c6e7b450018fe69582871ffc4bc7759657a2
SHA512fc5a20250361bd64545211397da908b1d57b9f6ffdbc9053dfbf2c5b35918beb5bc2da05240d6eaa2b4f6ca4bffb02f0353af492d46ac91f2811c35438907fa7
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2