Analysis
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max time kernel
121s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
05-04-2023 11:04
Static task
static1
Behavioral task
behavioral1
Sample
94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.exe
Resource
win7-20230220-en
General
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Target
94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.exe
-
Size
3.2MB
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MD5
65f44ee494532771517d8e460aa7a678
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SHA1
48b22d6a7b60898b71ad28506b2fb5c70a676781
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SHA256
94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b
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SHA512
e7d8ac71efc7d811a3edfcb5362cc07b7bb764d72517253ebc865635ac85c57421fe69fdc03a60a7b7420cedb7c358e62b07090a1519564da1d10449796cf253
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SSDEEP
49152:rdHAYF+gMmpr/fq2k5jO3/lK8QnfaVzUtB/XOFDha36Ad8+mGPGLCgv2MR:JHAYEg1p/fOO30jiVzUtFXOdY3oTv2MR
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.
Processes:
FRec215.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation FRec215.exe -
Executes dropped EXE 3 IoCs
Processes:
94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmpFRec215.exeEBRzKZplw.exepid process 4504 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp 1400 FRec215.exe 976 EBRzKZplw.exe -
Loads dropped DLL 3 IoCs
Processes:
94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmppid process 4504 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp 4504 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp 4504 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.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
Processes:
94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmpdescription ioc process File created C:\Program Files (x86)\FHUsoftFR\FRec215\is-THHFG.tmp 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp File created C:\Program Files (x86)\FHUsoftFR\FRec215\data\is-CAELD.tmp 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp File opened for modification C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp File created C:\Program Files (x86)\FHUsoftFR\FRec215\unins000.dat 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp File created C:\Program Files (x86)\FHUsoftFR\FRec215\is-SR8CJ.tmp 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp File created C:\Program Files (x86)\FHUsoftFR\FRec215\is-DR8Q5.tmp 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp File opened for modification C:\Program Files (x86)\FHUsoftFR\FRec215\unins000.dat 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp File created C:\Program Files (x86)\FHUsoftFR\FRec215\is-IFTFT.tmp 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp File created C:\Program Files (x86)\FHUsoftFR\FRec215\is-T6PCO.tmp 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.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
Processes:
taskkill.exepid process 1184 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
FRec215.exepid process 1400 FRec215.exe 1400 FRec215.exe 1400 FRec215.exe 1400 FRec215.exe 1400 FRec215.exe 1400 FRec215.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
FRec215.exepid process 1400 FRec215.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 1184 taskkill.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.exe94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmpFRec215.execmd.exedescription pid process target process PID 1068 wrote to memory of 4504 1068 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.exe 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp PID 1068 wrote to memory of 4504 1068 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.exe 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp PID 1068 wrote to memory of 4504 1068 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.exe 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp PID 4504 wrote to memory of 1400 4504 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp FRec215.exe PID 4504 wrote to memory of 1400 4504 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp FRec215.exe PID 4504 wrote to memory of 1400 4504 94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp FRec215.exe PID 1400 wrote to memory of 976 1400 FRec215.exe EBRzKZplw.exe PID 1400 wrote to memory of 976 1400 FRec215.exe EBRzKZplw.exe PID 1400 wrote to memory of 976 1400 FRec215.exe EBRzKZplw.exe PID 1400 wrote to memory of 2176 1400 FRec215.exe cmd.exe PID 1400 wrote to memory of 2176 1400 FRec215.exe cmd.exe PID 1400 wrote to memory of 2176 1400 FRec215.exe cmd.exe PID 2176 wrote to memory of 1184 2176 cmd.exe taskkill.exe PID 2176 wrote to memory of 1184 2176 cmd.exe taskkill.exe PID 2176 wrote to memory of 1184 2176 cmd.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.exe"C:\Users\Admin\AppData\Local\Temp\94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-TTTBA.tmp\94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp"C:\Users\Admin\AppData\Local\Temp\is-TTTBA.tmp\94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmp" /SL5="$9002C,3121957,387072,C:\Users\Admin\AppData\Local\Temp\94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe"C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\{a9cfdea2-b1a1-11ed-9f68-806e6f6e6963}\EBRzKZplw.exe
- Executes dropped EXE
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "FRec215.exe" /f & erase "C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "FRec215.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exeFilesize
3.3MB
MD54aa1adbba4dbf33d4c729ddfce2ae064
SHA179e02e32efa1d97e2ca8160b55f2cbf7c223eac8
SHA256641a85481677444100949acb6a103469afc58ad38e38419dd7033673a33f8901
SHA512fc21752e49d1016cbe9dfe42d9c0b139371e99002edc1403e675af322f99102d53e4785c1af526ba03e31c4ea634cfa152f89054c59d629592cfb77e9a8972e8
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C:\Program Files (x86)\FHUsoftFR\FRec215\FRec215.exeFilesize
3.3MB
MD54aa1adbba4dbf33d4c729ddfce2ae064
SHA179e02e32efa1d97e2ca8160b55f2cbf7c223eac8
SHA256641a85481677444100949acb6a103469afc58ad38e38419dd7033673a33f8901
SHA512fc21752e49d1016cbe9dfe42d9c0b139371e99002edc1403e675af322f99102d53e4785c1af526ba03e31c4ea634cfa152f89054c59d629592cfb77e9a8972e8
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYL8D8JJ\dll[1].htmFilesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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C:\Users\Admin\AppData\Local\Temp\is-NVP26.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-NVP26.tmp\_isetup\_isdecmp.dllFilesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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C:\Users\Admin\AppData\Local\Temp\is-NVP26.tmp\_isetup\_isdecmp.dllFilesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
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C:\Users\Admin\AppData\Local\Temp\is-TTTBA.tmp\94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmpFilesize
696KB
MD5d76329b30db65f61d55b20f36b56da26
SHA15e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA256229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
SHA512a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
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C:\Users\Admin\AppData\Local\Temp\is-TTTBA.tmp\94dd77178ad1adab9b33811abaf80eb23a5889da64446593a285b62d59f6191b.tmpFilesize
696KB
MD5d76329b30db65f61d55b20f36b56da26
SHA15e4c77b723ae8f05b3ae6afeee735a4355f00663
SHA256229fbcb11ee7d1f082b6411610e95f726eec4e6737e6b6392719df4f0fe3fa1d
SHA512a291aed0897315e88b6378b1db10ada05bda8c1eccaf73de23f409fe61860ebd1dbb422063e00996584d3b4b100122931d5bbab54a88951706d75efcc660f70d
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C:\Users\Admin\AppData\Roaming\{a9cfdea2-b1a1-11ed-9f68-806e6f6e6963}\EBRzKZplw.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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C:\Users\Admin\AppData\Roaming\{a9cfdea2-b1a1-11ed-9f68-806e6f6e6963}\EBRzKZplw.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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memory/1068-133-0x0000000000400000-0x0000000000465000-memory.dmpFilesize
404KB
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memory/1068-223-0x0000000000400000-0x0000000000465000-memory.dmpFilesize
404KB
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memory/1068-172-0x0000000000400000-0x0000000000465000-memory.dmpFilesize
404KB
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memory/1400-173-0x0000000000400000-0x0000000001556000-memory.dmpFilesize
17.3MB
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memory/1400-178-0x0000000000400000-0x0000000001556000-memory.dmpFilesize
17.3MB
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memory/1400-181-0x0000000000400000-0x0000000001556000-memory.dmpFilesize
17.3MB
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memory/1400-176-0x0000000000400000-0x0000000001556000-memory.dmpFilesize
17.3MB
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memory/1400-221-0x0000000000400000-0x0000000001556000-memory.dmpFilesize
17.3MB
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memory/1400-189-0x0000000000400000-0x0000000001556000-memory.dmpFilesize
17.3MB
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memory/1400-192-0x0000000010000000-0x000000001001B000-memory.dmpFilesize
108KB
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memory/1400-201-0x0000000000400000-0x0000000001556000-memory.dmpFilesize
17.3MB
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memory/4504-154-0x00000000005C0000-0x00000000005C1000-memory.dmpFilesize
4KB
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memory/4504-175-0x00000000005C0000-0x00000000005C1000-memory.dmpFilesize
4KB
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memory/4504-222-0x0000000000400000-0x00000000004BE000-memory.dmpFilesize
760KB
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memory/4504-174-0x0000000000400000-0x00000000004BE000-memory.dmpFilesize
760KB