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Analysis
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max time kernel
98s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
02/02/2023, 08:31
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
General
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Target
file.exe
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Size
2.0MB
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MD5
7bd65adb3d6eb6963c2e1eb53f47d888
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SHA1
99fcb7bbb8d9c0dea8a4a6a3b1d783708dc12dae
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SHA256
382ef403e766d59abb559ac7ccfabf429d792a051a5ed6465cc7d836dd8015de
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SHA512
b31e71a6da1e16fa585a03eb76ed33bd71e748053ce829f0458f071936bd280f9590cd5bac6eeb48b5bbf4253c803b0e05529f8221539e40f06ec5b60d528b87
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SSDEEP
49152:bgxON0THpvhhoQIFyAj3E5Rn4yExrCf1zmMxvBZwLCgv2MR:cB9vhOPFyAj0rE5Cl5v0v2MR
Malware Config
Extracted
gcleaner
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Signatures
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Executes dropped EXE 3 IoCs
pid Process 800 file.tmp 4928 finalrecovery.exe 3516 H9k8eSnJUXgJEs.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation finalrecovery.exe -
Loads dropped DLL 1 IoCs
pid Process 800 file.tmp -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 9 IoCs
description ioc Process File created C:\Program Files (x86)\FHHsoftFR\FinalRecovery\unins000.dat file.tmp File created C:\Program Files (x86)\FHHsoftFR\FinalRecovery\is-4M212.tmp file.tmp File created C:\Program Files (x86)\FHHsoftFR\FinalRecovery\is-3OIU7.tmp file.tmp File created C:\Program Files (x86)\FHHsoftFR\FinalRecovery\is-A81VP.tmp file.tmp File created C:\Program Files (x86)\FHHsoftFR\FinalRecovery\data\is-1AMIS.tmp file.tmp File opened for modification C:\Program Files (x86)\FHHsoftFR\FinalRecovery\finalrecovery.exe file.tmp File created C:\Program Files (x86)\FHHsoftFR\FinalRecovery\is-VFP2A.tmp file.tmp File created C:\Program Files (x86)\FHHsoftFR\FinalRecovery\is-2JC4O.tmp file.tmp File opened for modification C:\Program Files (x86)\FHHsoftFR\FinalRecovery\unins000.dat file.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
pid Process 2180 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4928 finalrecovery.exe 4928 finalrecovery.exe 4928 finalrecovery.exe 4928 finalrecovery.exe 4928 finalrecovery.exe 4928 finalrecovery.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2180 taskkill.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4280 wrote to memory of 800 4280 file.exe 82 PID 4280 wrote to memory of 800 4280 file.exe 82 PID 4280 wrote to memory of 800 4280 file.exe 82 PID 800 wrote to memory of 4928 800 file.tmp 83 PID 800 wrote to memory of 4928 800 file.tmp 83 PID 800 wrote to memory of 4928 800 file.tmp 83 PID 4928 wrote to memory of 3516 4928 finalrecovery.exe 84 PID 4928 wrote to memory of 3516 4928 finalrecovery.exe 84 PID 4928 wrote to memory of 3516 4928 finalrecovery.exe 84 PID 4928 wrote to memory of 2680 4928 finalrecovery.exe 92 PID 4928 wrote to memory of 2680 4928 finalrecovery.exe 92 PID 4928 wrote to memory of 2680 4928 finalrecovery.exe 92 PID 2680 wrote to memory of 2180 2680 cmd.exe 94 PID 2680 wrote to memory of 2180 2680 cmd.exe 94 PID 2680 wrote to memory of 2180 2680 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Users\Admin\AppData\Local\Temp\is-7H6B3.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-7H6B3.tmp\file.tmp" /SL5="$8016E,1818544,71680,C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:800 -
C:\Program Files (x86)\FHHsoftFR\FinalRecovery\finalrecovery.exe"C:\Program Files (x86)\FHHsoftFR\FinalRecovery\finalrecovery.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Users\Admin\AppData\Roaming\{6cebb340-6208-11ed-bf50-806e6f6e6963}\H9k8eSnJUXgJEs.exe
- Executes dropped EXE
PID:3516
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "finalrecovery.exe" /f & erase "C:\Program Files (x86)\FHHsoftFR\FinalRecovery\finalrecovery.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "finalrecovery.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2180
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.9MB
MD59dde0d9ef1cce59fcd643c8ba592ff8e
SHA11cd2f3b31d124f622096e236579e6c3c3cf2e237
SHA25624515a7d56f6b6a12a49f7a8cf1358e4e29b32b56511a957ff1ad5ba8ec1b2c1
SHA512cca6e456d055746f03da46a8f5b4039aa29e3c75e4f58119f3636a59fbecf24e93c6f98de5d80e28035e25b78a06b8da529fd500c5dbf024f2fd26c7abec4572
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Filesize
1.9MB
MD59dde0d9ef1cce59fcd643c8ba592ff8e
SHA11cd2f3b31d124f622096e236579e6c3c3cf2e237
SHA25624515a7d56f6b6a12a49f7a8cf1358e4e29b32b56511a957ff1ad5ba8ec1b2c1
SHA512cca6e456d055746f03da46a8f5b4039aa29e3c75e4f58119f3636a59fbecf24e93c6f98de5d80e28035e25b78a06b8da529fd500c5dbf024f2fd26c7abec4572
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Filesize
696KB
MD5d76329b30db65f61d55b20f36b56da26
SHA15e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA256229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
SHA512a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
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Filesize
696KB
MD5d76329b30db65f61d55b20f36b56da26
SHA15e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA256229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
SHA512a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c