Analysis
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max time kernel
80s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19-03-2023 17:48
Static task
static1
Behavioral task
behavioral1
Sample
db1800a95c8908bb39c03543f8ee553b838df5065c1195447f82c8305e1754c3.exe
Resource
win7-20230220-en
General
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Target
db1800a95c8908bb39c03543f8ee553b838df5065c1195447f82c8305e1754c3.exe
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Size
2.5MB
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MD5
5666e0a35876d1636a60ec19fbfdce68
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SHA1
7378581b82a0449dec8bc8256ae8316c770c3e54
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SHA256
db1800a95c8908bb39c03543f8ee553b838df5065c1195447f82c8305e1754c3
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SHA512
a82337234f659bc00eb7c4e17fa482e1c1ba87aaaad360c68e539cef689d96529e89861ea9f539a519be3ebc4a46118afdfff3c56a2e08b36986adb7ab9a22f2
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SSDEEP
49152:EGlJfsrexbxNBZzi91qpzg4lPI30PO63pN3UC5DNTbk1EBQ3yq6ThRdrlSnNPd8l:5ldxNPe91WhFPz5dbk1MQiFThRdrUPdW
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:
FRec317.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation FRec317.exe -
Executes dropped EXE 3 IoCs
Processes:
is-4PUQ3.tmpFRec317.exekGa9sY.exepid process 3732 is-4PUQ3.tmp 5068 FRec317.exe 3276 kGa9sY.exe -
Loads dropped DLL 1 IoCs
Processes:
is-4PUQ3.tmppid process 3732 is-4PUQ3.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:
is-4PUQ3.tmpdescription ioc process File created C:\Program Files (x86)\FIYsoftFR\FRec317\is-01CDP.tmp is-4PUQ3.tmp File created C:\Program Files (x86)\FIYsoftFR\FRec317\data\is-8UJEK.tmp is-4PUQ3.tmp File opened for modification C:\Program Files (x86)\FIYsoftFR\FRec317\unins000.dat is-4PUQ3.tmp File opened for modification C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe is-4PUQ3.tmp File created C:\Program Files (x86)\FIYsoftFR\FRec317\unins000.dat is-4PUQ3.tmp File created C:\Program Files (x86)\FIYsoftFR\FRec317\is-HOPJK.tmp is-4PUQ3.tmp File created C:\Program Files (x86)\FIYsoftFR\FRec317\is-7S5K2.tmp is-4PUQ3.tmp File created C:\Program Files (x86)\FIYsoftFR\FRec317\is-AVS6I.tmp is-4PUQ3.tmp File created C:\Program Files (x86)\FIYsoftFR\FRec317\is-G8PK6.tmp is-4PUQ3.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 4996 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
FRec317.exepid process 5068 FRec317.exe 5068 FRec317.exe 5068 FRec317.exe 5068 FRec317.exe 5068 FRec317.exe 5068 FRec317.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 4996 taskkill.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
db1800a95c8908bb39c03543f8ee553b838df5065c1195447f82c8305e1754c3.exeis-4PUQ3.tmpFRec317.execmd.exedescription pid process target process PID 2840 wrote to memory of 3732 2840 db1800a95c8908bb39c03543f8ee553b838df5065c1195447f82c8305e1754c3.exe is-4PUQ3.tmp PID 2840 wrote to memory of 3732 2840 db1800a95c8908bb39c03543f8ee553b838df5065c1195447f82c8305e1754c3.exe is-4PUQ3.tmp PID 2840 wrote to memory of 3732 2840 db1800a95c8908bb39c03543f8ee553b838df5065c1195447f82c8305e1754c3.exe is-4PUQ3.tmp PID 3732 wrote to memory of 5068 3732 is-4PUQ3.tmp FRec317.exe PID 3732 wrote to memory of 5068 3732 is-4PUQ3.tmp FRec317.exe PID 3732 wrote to memory of 5068 3732 is-4PUQ3.tmp FRec317.exe PID 5068 wrote to memory of 3276 5068 FRec317.exe kGa9sY.exe PID 5068 wrote to memory of 3276 5068 FRec317.exe kGa9sY.exe PID 5068 wrote to memory of 3276 5068 FRec317.exe kGa9sY.exe PID 5068 wrote to memory of 936 5068 FRec317.exe cmd.exe PID 5068 wrote to memory of 936 5068 FRec317.exe cmd.exe PID 5068 wrote to memory of 936 5068 FRec317.exe cmd.exe PID 936 wrote to memory of 4996 936 cmd.exe taskkill.exe PID 936 wrote to memory of 4996 936 cmd.exe taskkill.exe PID 936 wrote to memory of 4996 936 cmd.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\db1800a95c8908bb39c03543f8ee553b838df5065c1195447f82c8305e1754c3.exe"C:\Users\Admin\AppData\Local\Temp\db1800a95c8908bb39c03543f8ee553b838df5065c1195447f82c8305e1754c3.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-JMC63.tmp\is-4PUQ3.tmp"C:\Users\Admin\AppData\Local\Temp\is-JMC63.tmp\is-4PUQ3.tmp" /SL4 $80030 "C:\Users\Admin\AppData\Local\Temp\db1800a95c8908bb39c03543f8ee553b838df5065c1195447f82c8305e1754c3.exe" 2427767 527362⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe"C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\{0338073a-b1a2-11ed-9ee7-806e6f6e6963}\kGa9sY.exe
- Executes dropped EXE
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "FRec317.exe" /f & erase "C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "FRec317.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exeFilesize
3.5MB
MD5e7e8c3effaa83052ea771624752ecda6
SHA1dc4d500cbeed28bfe231f8b9e0c0298fbed87cc9
SHA256dfc7271cf83a06451725297e6b1169eeed61a5009da76f595f7d0eaaad75dbd6
SHA5122fa73ea050fba2a80732b0a096dbf93e43955947f5ea84562e5ff9dfd17bd8e4c43af5de29cd2bb8762f2c937ec4745cab1ced7da16b0e14204743a9dc961584
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C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exeFilesize
3.5MB
MD5e7e8c3effaa83052ea771624752ecda6
SHA1dc4d500cbeed28bfe231f8b9e0c0298fbed87cc9
SHA256dfc7271cf83a06451725297e6b1169eeed61a5009da76f595f7d0eaaad75dbd6
SHA5122fa73ea050fba2a80732b0a096dbf93e43955947f5ea84562e5ff9dfd17bd8e4c43af5de29cd2bb8762f2c937ec4745cab1ced7da16b0e14204743a9dc961584
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\UUIKWEAJ\dll[1].htmFilesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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C:\Users\Admin\AppData\Local\Temp\is-JMC63.tmp\is-4PUQ3.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
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C:\Users\Admin\AppData\Local\Temp\is-JMC63.tmp\is-4PUQ3.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
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C:\Users\Admin\AppData\Local\Temp\is-S64O9.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Roaming\{0338073a-b1a2-11ed-9ee7-806e6f6e6963}\kGa9sY.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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C:\Users\Admin\AppData\Roaming\{0338073a-b1a2-11ed-9ee7-806e6f6e6963}\kGa9sY.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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memory/2840-179-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2840-133-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2840-199-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/3732-148-0x0000000000690000-0x0000000000691000-memory.dmpFilesize
4KB
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memory/3732-180-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
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memory/3732-198-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
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memory/5068-181-0x0000000000400000-0x0000000001585000-memory.dmpFilesize
17.5MB
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memory/5068-174-0x0000000010000000-0x000000001001B000-memory.dmpFilesize
108KB
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memory/5068-197-0x0000000000400000-0x0000000001585000-memory.dmpFilesize
17.5MB
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memory/5068-165-0x0000000000400000-0x0000000001585000-memory.dmpFilesize
17.5MB
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memory/5068-166-0x0000000000400000-0x0000000001585000-memory.dmpFilesize
17.5MB