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Analysis
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max time kernel
151s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
12/02/2023, 13:04
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
General
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Target
file.exe
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Size
3.4MB
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MD5
c9cb5cf4b05a3f2526a7922feefae207
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SHA1
d9300522dff9fc4f180106c89f32c77805506c5d
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SHA256
76aca6e8127c61c9c25921793c5be2b55132532e87a3b2822ebaebf342fe99fc
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SHA512
be373fc97abb2d736fc14ae3341ee8aae81c8f515536c23a55350b4ce76f744556b2c37dda9789da57b6872a38386e518bfa5a8740a78da3537dc1944e0e1532
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SSDEEP
49152:rdH5bPYP0ADYetBHe/noL0gBgjFTnWDQWNdKLb9lT//cj+2t9ZaUXA64zQNemye4:JH5OBmoL0yQ0Ub9lKZtszQNc9tv2MR
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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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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation FRec212.exe -
Executes dropped EXE 3 IoCs
pid Process 4568 file.tmp 1684 FRec212.exe 3192 mT6iLvBFkGA.exe -
Loads dropped DLL 3 IoCs
pid Process 4568 file.tmp 4568 file.tmp 4568 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)\FHRsoftFR\FRec212\is-B82OJ.tmp file.tmp File opened for modification C:\Program Files (x86)\FHRsoftFR\FRec212\unins000.dat file.tmp File opened for modification C:\Program Files (x86)\FHRsoftFR\FRec212\FRec212.exe file.tmp File created C:\Program Files (x86)\FHRsoftFR\FRec212\is-Q2B6R.tmp file.tmp File created C:\Program Files (x86)\FHRsoftFR\FRec212\is-ROH8M.tmp file.tmp File created C:\Program Files (x86)\FHRsoftFR\FRec212\is-IH8K4.tmp file.tmp File created C:\Program Files (x86)\FHRsoftFR\FRec212\is-DL873.tmp file.tmp File created C:\Program Files (x86)\FHRsoftFR\FRec212\data\is-QUP8U.tmp file.tmp File created C:\Program Files (x86)\FHRsoftFR\FRec212\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 4636 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1684 FRec212.exe 1684 FRec212.exe 1684 FRec212.exe 1684 FRec212.exe 1684 FRec212.exe 1684 FRec212.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1684 FRec212.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4636 taskkill.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4864 wrote to memory of 4568 4864 file.exe 80 PID 4864 wrote to memory of 4568 4864 file.exe 80 PID 4864 wrote to memory of 4568 4864 file.exe 80 PID 4568 wrote to memory of 1684 4568 file.tmp 81 PID 4568 wrote to memory of 1684 4568 file.tmp 81 PID 4568 wrote to memory of 1684 4568 file.tmp 81 PID 1684 wrote to memory of 3192 1684 FRec212.exe 82 PID 1684 wrote to memory of 3192 1684 FRec212.exe 82 PID 1684 wrote to memory of 3192 1684 FRec212.exe 82 PID 1684 wrote to memory of 3412 1684 FRec212.exe 85 PID 1684 wrote to memory of 3412 1684 FRec212.exe 85 PID 1684 wrote to memory of 3412 1684 FRec212.exe 85 PID 3412 wrote to memory of 4636 3412 cmd.exe 87 PID 3412 wrote to memory of 4636 3412 cmd.exe 87 PID 3412 wrote to memory of 4636 3412 cmd.exe 87
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:4864 -
C:\Users\Admin\AppData\Local\Temp\is-OQ6M5.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-OQ6M5.tmp\file.tmp" /SL5="$A0066,3325163,387072,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:4568 -
C:\Program Files (x86)\FHRsoftFR\FRec212\FRec212.exe"C:\Program Files (x86)\FHRsoftFR\FRec212\FRec212.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Users\Admin\AppData\Roaming\{cd0d74c0-1ab4-11ed-b686-806e6f6e6963}\mT6iLvBFkGA.exe
- Executes dropped EXE
PID:3192
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "FRec212.exe" /f & erase "C:\Program Files (x86)\FHRsoftFR\FRec212\FRec212.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "FRec212.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4636
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3.5MB
MD5e1bda94c142211a659c953f9dd866ed8
SHA1b0cfc12eb82710278818cc08b12020951bce0280
SHA256c9fdbfa61f299395303944b56b9dc805cf34a9a7530659ac48a749e40bc1e6a7
SHA51257b5b3c4a6e53064c580045c3a6a81e0b7c71ec38a986222050beed2d8307a9778038707e61be24888025f43df9c1aa8ac95cb80284e3a890f5347f56ec44e1c
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Filesize
3.5MB
MD5e1bda94c142211a659c953f9dd866ed8
SHA1b0cfc12eb82710278818cc08b12020951bce0280
SHA256c9fdbfa61f299395303944b56b9dc805cf34a9a7530659ac48a749e40bc1e6a7
SHA51257b5b3c4a6e53064c580045c3a6a81e0b7c71ec38a986222050beed2d8307a9778038707e61be24888025f43df9c1aa8ac95cb80284e3a890f5347f56ec44e1c
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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
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c