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Analysis
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max time kernel
30s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
06/09/2024, 18:10
Static task
static1
Behavioral task
behavioral1
Sample
813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe
Resource
win7-20240729-en
General
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Target
813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe
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Size
299KB
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MD5
38a55efd06cfd76ad153eb4e7b173d84
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SHA1
450a29c04a5364b6f64937162ef6476935f38159
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SHA256
813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024
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SHA512
d1009ed7f6832eacd19a2d2d6efa7c5b275cb33e10eb6bca9df111a360077492ea10151a2eacff8ab029ca914e09d5b7f9b09a7a61d72c164b92ecb3dd054539
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SSDEEP
6144:+uDUYxOOoC2iSlvfxcYrfpXb+REK5NgHBElhG4/MBC0Vdh1HQ:+mUHbC2Zlvfxvr+RP56HibYVdz
Malware Config
Extracted
gcleaner
80.66.75.114
45.91.200.135
Signatures
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Downloads MZ/PE file
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Deletes itself 1 IoCs
pid Process 2724 cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 2116 813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 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 813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe -
Kills process with taskkill 1 IoCs
pid Process 1468 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1468 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2116 wrote to memory of 2724 2116 813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe 30 PID 2116 wrote to memory of 2724 2116 813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe 30 PID 2116 wrote to memory of 2724 2116 813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe 30 PID 2116 wrote to memory of 2724 2116 813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe 30 PID 2724 wrote to memory of 1468 2724 cmd.exe 32 PID 2724 wrote to memory of 1468 2724 cmd.exe 32 PID 2724 wrote to memory of 1468 2724 cmd.exe 32 PID 2724 wrote to memory of 1468 2724 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe"C:\Users\Admin\AppData\Local\Temp\813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe" & exit2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "813fbf2c1ab78f09d269895f0b2f8b5248bb049c8f4b3181c8729da0feb56024.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1468
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\LW44N8OS\download[1].htm
Filesize1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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Filesize
1.4MB
MD5a8cf5621811f7fac55cfe8cb3fa6b9f6
SHA1121356839e8138a03141f5f5856936a85bd2a474
SHA256614a0362ab87cee48d0935b5bb957d539be1d94c6fdeb3fe42fac4fbe182c10c
SHA5124479d951435f222ca7306774002f030972c9f1715d6aaf512fca9420dd79cb6d08240f80129f213851773290254be34f0ff63c7b1f4d554a7db5f84b69e84bdd