Analysis
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max time kernel
58s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
27-03-2023 12:06
Static task
static1
Behavioral task
behavioral1
Sample
5ab2cc3237c2857bc3943ded65eeea7cc88bd1dcfbb170e8069def2ca54e46ee.exe
Resource
win7-20230220-en
General
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Target
5ab2cc3237c2857bc3943ded65eeea7cc88bd1dcfbb170e8069def2ca54e46ee.exe
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Size
2.1MB
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MD5
2ed3738fc99a3438a6f953a317fd00c8
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SHA1
ece3ef5cbb78802613273df3f3b226c39d2ac7c7
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SHA256
5ab2cc3237c2857bc3943ded65eeea7cc88bd1dcfbb170e8069def2ca54e46ee
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SHA512
7c041252f986f8dac40833092ea1e204edaa162371b6d8bb9fde7c1688fe73e7ed9b36072e606d3c10b6ffada2d1c9012c78dee6085f28469528f86dfffd428c
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SSDEEP
49152:EGlJfs2YQmXbs2nOFx4AFZzBO0M881PA/XW/cBm5dlLYp:5GQ6g5Ey3o8wE9BsPYp
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:
FRec322.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation FRec322.exe -
Executes dropped EXE 3 IoCs
Processes:
is-HIJNB.tmpFRec322.exeqhPiV7fJOKBbb.exepid process 5100 is-HIJNB.tmp 464 FRec322.exe 636 qhPiV7fJOKBbb.exe -
Loads dropped DLL 1 IoCs
Processes:
is-HIJNB.tmppid process 5100 is-HIJNB.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-HIJNB.tmpdescription ioc process File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-K4JPP.tmp is-HIJNB.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-J9GA1.tmp is-HIJNB.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-KT08I.tmp is-HIJNB.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-SQV3E.tmp is-HIJNB.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\data\is-1VP5H.tmp is-HIJNB.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\unins000.dat is-HIJNB.tmp File created C:\Program Files (x86)\FJAsoftFR\FRec322\is-P9CL2.tmp is-HIJNB.tmp File opened for modification C:\Program Files (x86)\FJAsoftFR\FRec322\unins000.dat is-HIJNB.tmp File opened for modification C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe is-HIJNB.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 2820 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
FRec322.exepid process 464 FRec322.exe 464 FRec322.exe 464 FRec322.exe 464 FRec322.exe 464 FRec322.exe 464 FRec322.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 2820 taskkill.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
5ab2cc3237c2857bc3943ded65eeea7cc88bd1dcfbb170e8069def2ca54e46ee.exeis-HIJNB.tmpFRec322.execmd.exedescription pid process target process PID 4388 wrote to memory of 5100 4388 5ab2cc3237c2857bc3943ded65eeea7cc88bd1dcfbb170e8069def2ca54e46ee.exe is-HIJNB.tmp PID 4388 wrote to memory of 5100 4388 5ab2cc3237c2857bc3943ded65eeea7cc88bd1dcfbb170e8069def2ca54e46ee.exe is-HIJNB.tmp PID 4388 wrote to memory of 5100 4388 5ab2cc3237c2857bc3943ded65eeea7cc88bd1dcfbb170e8069def2ca54e46ee.exe is-HIJNB.tmp PID 5100 wrote to memory of 464 5100 is-HIJNB.tmp FRec322.exe PID 5100 wrote to memory of 464 5100 is-HIJNB.tmp FRec322.exe PID 5100 wrote to memory of 464 5100 is-HIJNB.tmp FRec322.exe PID 464 wrote to memory of 636 464 FRec322.exe qhPiV7fJOKBbb.exe PID 464 wrote to memory of 636 464 FRec322.exe qhPiV7fJOKBbb.exe PID 464 wrote to memory of 636 464 FRec322.exe qhPiV7fJOKBbb.exe PID 464 wrote to memory of 4708 464 FRec322.exe cmd.exe PID 464 wrote to memory of 4708 464 FRec322.exe cmd.exe PID 464 wrote to memory of 4708 464 FRec322.exe cmd.exe PID 4708 wrote to memory of 2820 4708 cmd.exe taskkill.exe PID 4708 wrote to memory of 2820 4708 cmd.exe taskkill.exe PID 4708 wrote to memory of 2820 4708 cmd.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5ab2cc3237c2857bc3943ded65eeea7cc88bd1dcfbb170e8069def2ca54e46ee.exe"C:\Users\Admin\AppData\Local\Temp\5ab2cc3237c2857bc3943ded65eeea7cc88bd1dcfbb170e8069def2ca54e46ee.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-S4OR4.tmp\is-HIJNB.tmp"C:\Users\Admin\AppData\Local\Temp\is-S4OR4.tmp\is-HIJNB.tmp" /SL4 $D007A "C:\Users\Admin\AppData\Local\Temp\5ab2cc3237c2857bc3943ded65eeea7cc88bd1dcfbb170e8069def2ca54e46ee.exe" 1916446 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)\FJAsoftFR\FRec322\FRec322.exe"C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.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\{5cebde14-b1a3-11ed-bd92-806e6f6e6963}\qhPiV7fJOKBbb.exe
- Executes dropped EXE
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "FRec322.exe" /f & erase "C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "FRec322.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)\FJAsoftFR\FRec322\FRec322.exeFilesize
2.6MB
MD5cc67e673d19d51ef9c54d75578d661e4
SHA10923695dceb8bda477667dfe93c0e993e8a743a5
SHA256e6aa961294c7dcd53bc0020957809df3337f5d1d11df8eea6900b50de60ded5b
SHA512862e5958b4ebda1abb4b714d229363c592b6b1d1f2f49b589f341dc012e65081cf515bf936e3a533c2cd91c802ec4e9eb062d5758e40596d32c20e0587db2f20
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C:\Program Files (x86)\FJAsoftFR\FRec322\FRec322.exeFilesize
2.6MB
MD5cc67e673d19d51ef9c54d75578d661e4
SHA10923695dceb8bda477667dfe93c0e993e8a743a5
SHA256e6aa961294c7dcd53bc0020957809df3337f5d1d11df8eea6900b50de60ded5b
SHA512862e5958b4ebda1abb4b714d229363c592b6b1d1f2f49b589f341dc012e65081cf515bf936e3a533c2cd91c802ec4e9eb062d5758e40596d32c20e0587db2f20
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K941J8ND\dll[1].htmFilesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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C:\Users\Admin\AppData\Local\Temp\is-IHB8V.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-S4OR4.tmp\is-HIJNB.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
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C:\Users\Admin\AppData\Local\Temp\is-S4OR4.tmp\is-HIJNB.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
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C:\Users\Admin\AppData\Roaming\{5cebde14-b1a3-11ed-bd92-806e6f6e6963}\qhPiV7fJOKBbb.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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C:\Users\Admin\AppData\Roaming\{5cebde14-b1a3-11ed-bd92-806e6f6e6963}\qhPiV7fJOKBbb.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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memory/464-166-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
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memory/464-174-0x0000000010000000-0x000000001001B000-memory.dmpFilesize
108KB
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memory/464-165-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
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memory/464-182-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
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memory/464-198-0x0000000000400000-0x00000000014A0000-memory.dmpFilesize
16.6MB
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memory/4388-200-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4388-177-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4388-133-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/5100-148-0x00000000007A0000-0x00000000007A1000-memory.dmpFilesize
4KB
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memory/5100-199-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
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memory/5100-179-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB