Analysis
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max time kernel
153s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
29/09/2023, 19:37
Static task
static1
Behavioral task
behavioral1
Sample
ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe
Resource
win10v2004-20230915-en
General
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Target
ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe
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Size
26KB
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MD5
cab628bceb8b3c9bb2b79a71a0d68319
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SHA1
a20587dd81165b8e1e22b056c40677d94bece6cb
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SHA256
ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e
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SHA512
d71b4eea641bec4c2d86d55702f6d96eca1af92ca4ab87b24fc3eeab2b705134629ef80b9f5d1cb29c5212b0866d39963708851bd39e1f6774198a6e7df2af78
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SSDEEP
768:1Z1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoGwXnKx:tfgLdQAQfcfymNG+Kx
Malware Config
Signatures
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Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\R: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\Q: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\K: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\J: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\I: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\S: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\N: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\L: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\H: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\G: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\Z: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\W: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\U: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\T: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\M: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\E: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\Y: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\X: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\V: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\P: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened (read-only) \??\O: ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe -
Drops file in Program Files directory 53 IoCs
description ioc Process File created C:\Program Files\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Java\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\jabswitch.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\Chrome\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\Extensions\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Java\jdk1.8.0_66\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\appletviewer.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\7-Zip\7zG.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\MEIPreload\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Java\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\extcheck.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\7-Zip\Lang\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Extensions\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\7-Zip\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\default_apps\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\7-Zip\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\_platform_specific\win_x64\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\7-Zip\7z.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\Chrome\Application\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\_platform_specific\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\_platform_specific\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\MEIPreload\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\7-Zip\Lang\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\default_apps\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Java\jdk1.8.0_66\bin\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\idlj.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\_platform_specific\win_x64\_desktop.ini ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\rundl132.exe ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3236 wrote to memory of 1912 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 84 PID 3236 wrote to memory of 1912 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 84 PID 3236 wrote to memory of 1912 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 84 PID 1912 wrote to memory of 1808 1912 net.exe 86 PID 1912 wrote to memory of 1808 1912 net.exe 86 PID 1912 wrote to memory of 1808 1912 net.exe 86 PID 3236 wrote to memory of 2812 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 53 PID 3236 wrote to memory of 2812 3236 ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe 53
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:2812
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C:\Users\Admin\AppData\Local\Temp\ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe"C:\Users\Admin\AppData\Local\Temp\ef3fbd14f96ca42f09af1107b97465aec898db5c16b1d568bd4f60d713642f7e.exe"2⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3236 -
C:\Windows\SysWOW64\net.exenet stop "Kingsoft AntiVirus Service"3⤵
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"4⤵PID:1808
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.8MB
MD5a2a48363162d1b1a1163bb6067c1913c
SHA152cac85e0d046325a601ab194335eef55b2ffb1b
SHA256cb93b8234901d93d048515c5abe8a56e931653e0f7aa13e7eed6a4b579333490
SHA512a4fea1ff27926fc83fc09c77d82a7ace4fee1d5f3e38d16ea581fb0aa5e698045ec47fa5c78f7dba2785ead50d4a1c4a811a9ad6940bdadf856365681a88a59f
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Filesize
9B
MD5872506f1dadcc0cedd1e9dee11f54da4
SHA1d1e87145ed1d918f10ae4e93ccdbb994bc906ed5
SHA256a0049e98811438481e150df54f7b555026746c943cb03106677bf75b4e412104
SHA5126cf3aeeed18e66a16ed653a5c33133ec8d5fb58cf42aab9e712cf473233e506d4f14692dff04b7c20847718e5c344ec2651e57d2ae7a034610b07679b786344c
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Filesize
9B
MD50d8cc6d8ad77008e4eea5193ba074b8b
SHA1ed3ef3737662f0b0d7dabb8a681fdab8882322a1
SHA25602cb6e1ee5bc2475b62b35df1ff95d9d38080ea818c3fea2c65ceb449c761999
SHA5128cf0f361865203a0b8ea23fb3a33827b86958c4035294db074562956d6fe213d9069f3e5687ea66284e14f4406d74d348d98eec1af10b2538acd7a302752813f