Analysis
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max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
19/12/2023, 13:57
Static task
static1
Behavioral task
behavioral1
Sample
3b39a7b8427098ddf91ba0842e6621f0.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3b39a7b8427098ddf91ba0842e6621f0.exe
Resource
win10v2004-20231201-en
General
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Target
3b39a7b8427098ddf91ba0842e6621f0.exe
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Size
192KB
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MD5
3b39a7b8427098ddf91ba0842e6621f0
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SHA1
513930dbe283500b64b2cffe64703a187cbecb9d
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SHA256
077389d4c093cfad7cdf4f19f2f2fc308e686f8ba475f4bf8c76d5a00d310cab
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SHA512
1a1c6df3b1a7c20248d63f190f71d8f1bdfe5d92fd6cd02a45b84bd3e209fa888bd6ac4fffbe9b8241d8e0c089be711aba4bd802c2d7b68544c3e8b20c5ded79
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SSDEEP
3072:+f82oLbwePAUkbC0xdvlq38bj23uE1s5TPNFx74WL/2lVvM0:+f1oRYjbddNq38dxJr2lVvM
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2836 Unicorn-61835.exe -
Loads dropped DLL 7 IoCs
pid Process 1972 3b39a7b8427098ddf91ba0842e6621f0.exe 1972 3b39a7b8427098ddf91ba0842e6621f0.exe 2676 WerFault.exe 2676 WerFault.exe 2676 WerFault.exe 2676 WerFault.exe 2676 WerFault.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2676 2836 WerFault.exe 28 -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1972 3b39a7b8427098ddf91ba0842e6621f0.exe 2836 Unicorn-61835.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1972 wrote to memory of 2836 1972 3b39a7b8427098ddf91ba0842e6621f0.exe 28 PID 1972 wrote to memory of 2836 1972 3b39a7b8427098ddf91ba0842e6621f0.exe 28 PID 1972 wrote to memory of 2836 1972 3b39a7b8427098ddf91ba0842e6621f0.exe 28 PID 1972 wrote to memory of 2836 1972 3b39a7b8427098ddf91ba0842e6621f0.exe 28 PID 2836 wrote to memory of 2676 2836 Unicorn-61835.exe 29 PID 2836 wrote to memory of 2676 2836 Unicorn-61835.exe 29 PID 2836 wrote to memory of 2676 2836 Unicorn-61835.exe 29 PID 2836 wrote to memory of 2676 2836 Unicorn-61835.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\3b39a7b8427098ddf91ba0842e6621f0.exe"C:\Users\Admin\AppData\Local\Temp\3b39a7b8427098ddf91ba0842e6621f0.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Users\Admin\AppData\Local\Temp\Unicorn-61835.exeC:\Users\Admin\AppData\Local\Temp\Unicorn-61835.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 1883⤵
- Loads dropped DLL
- Program crash
PID:2676
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
192KB
MD56eeaf9ea50a4f7a3262aea23427d4eea
SHA100cd4a838e2d5ba2e93bc72126a81baecd94811b
SHA256c1e39cec8f2ad19231302ef871d985b9a729c80291f33eb84e63f0fd086dbcaf
SHA5122e609a364f6bb98cce54a822daf1632d1267f3f2dad8000ff5f821d29868dbd379453cea302b5a211ebee4e020f34321d7b92cd3e5bff6b27ae1fb5be4a77b96