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Analysis
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max time kernel
67s -
max time network
69s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/02/2023, 18:31
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
56619eb249a4bb7fd54b59b5f6d8b1c9
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SHA1
316e051a18fd785a9bf1d5814a9b42f6e74c7eae
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SHA256
e8079c283cdf53221bd815deef6b33ace170cb1811ce2d2ab79dbc763ba3794a
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SHA512
9b13fd0402aa138ec954c832e10f70d2e6defba47b7de36c2df94d9e12ff7cd0c3fe294e86786fa3fc157d3b3bddbd7dc43271b457e87e14e854ad5627855fd6
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SSDEEP
49152:yg9gVUYilVxGMrn220Q6IT8qh9qfh2UkLCgv2MR:TKV4xDP0QJTPaAUUv2MR
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 2004 file.tmp 628 finalrecovery.exe 1200 KJY2rEpTlsGF72.exe -
Loads dropped DLL 6 IoCs
pid Process 1688 file.exe 2004 file.tmp 2004 file.tmp 2004 file.tmp 2004 file.tmp 628 finalrecovery.exe -
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)\FHIsoftFR\FinalRecovery\is-3UDM4.tmp file.tmp File created C:\Program Files (x86)\FHIsoftFR\FinalRecovery\is-572PH.tmp file.tmp File created C:\Program Files (x86)\FHIsoftFR\FinalRecovery\is-3J9UR.tmp file.tmp File created C:\Program Files (x86)\FHIsoftFR\FinalRecovery\is-2SUOS.tmp file.tmp File opened for modification C:\Program Files (x86)\FHIsoftFR\FinalRecovery\finalrecovery.exe file.tmp File created C:\Program Files (x86)\FHIsoftFR\FinalRecovery\unins000.dat file.tmp File created C:\Program Files (x86)\FHIsoftFR\FinalRecovery\is-BP9US.tmp file.tmp File created C:\Program Files (x86)\FHIsoftFR\FinalRecovery\data\is-RLMU8.tmp file.tmp File opened for modification C:\Program Files (x86)\FHIsoftFR\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 812 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 628 finalrecovery.exe 628 finalrecovery.exe 628 finalrecovery.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 812 taskkill.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1688 wrote to memory of 2004 1688 file.exe 27 PID 1688 wrote to memory of 2004 1688 file.exe 27 PID 1688 wrote to memory of 2004 1688 file.exe 27 PID 1688 wrote to memory of 2004 1688 file.exe 27 PID 1688 wrote to memory of 2004 1688 file.exe 27 PID 1688 wrote to memory of 2004 1688 file.exe 27 PID 1688 wrote to memory of 2004 1688 file.exe 27 PID 2004 wrote to memory of 628 2004 file.tmp 28 PID 2004 wrote to memory of 628 2004 file.tmp 28 PID 2004 wrote to memory of 628 2004 file.tmp 28 PID 2004 wrote to memory of 628 2004 file.tmp 28 PID 628 wrote to memory of 1200 628 finalrecovery.exe 29 PID 628 wrote to memory of 1200 628 finalrecovery.exe 29 PID 628 wrote to memory of 1200 628 finalrecovery.exe 29 PID 628 wrote to memory of 1200 628 finalrecovery.exe 29 PID 628 wrote to memory of 1784 628 finalrecovery.exe 32 PID 628 wrote to memory of 1784 628 finalrecovery.exe 32 PID 628 wrote to memory of 1784 628 finalrecovery.exe 32 PID 628 wrote to memory of 1784 628 finalrecovery.exe 32 PID 1784 wrote to memory of 812 1784 cmd.exe 34 PID 1784 wrote to memory of 812 1784 cmd.exe 34 PID 1784 wrote to memory of 812 1784 cmd.exe 34 PID 1784 wrote to memory of 812 1784 cmd.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Users\Admin\AppData\Local\Temp\is-BIV6P.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-BIV6P.tmp\file.tmp" /SL5="$60122,1838309,73216,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:2004 -
C:\Program Files (x86)\FHIsoftFR\FinalRecovery\finalrecovery.exe"C:\Program Files (x86)\FHIsoftFR\FinalRecovery\finalrecovery.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:628 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\KJY2rEpTlsGF72.exe
- Executes dropped EXE
PID:1200
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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)\FHIsoftFR\FinalRecovery\finalrecovery.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "finalrecovery.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:812
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.8MB
MD582a826aa55e0334c68dede69c4d1d17d
SHA164a748f17f08fb0715f33059bc093c188db07a68
SHA25613a7d1b0991ff7d86e81610d4f755cad69f651bf5ce72055c23e1c8a183bb53d
SHA5129816c1f105fafca93a644ebbcc4ce5fb1203532c95b818727880e280a7758a2e3d4dbf85ac9d93272359532231da09a14ee759c007fb22f7d05cffe5180530cc
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Filesize
1.8MB
MD582a826aa55e0334c68dede69c4d1d17d
SHA164a748f17f08fb0715f33059bc093c188db07a68
SHA25613a7d1b0991ff7d86e81610d4f755cad69f651bf5ce72055c23e1c8a183bb53d
SHA5129816c1f105fafca93a644ebbcc4ce5fb1203532c95b818727880e280a7758a2e3d4dbf85ac9d93272359532231da09a14ee759c007fb22f7d05cffe5180530cc
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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
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
1.8MB
MD582a826aa55e0334c68dede69c4d1d17d
SHA164a748f17f08fb0715f33059bc093c188db07a68
SHA25613a7d1b0991ff7d86e81610d4f755cad69f651bf5ce72055c23e1c8a183bb53d
SHA5129816c1f105fafca93a644ebbcc4ce5fb1203532c95b818727880e280a7758a2e3d4dbf85ac9d93272359532231da09a14ee759c007fb22f7d05cffe5180530cc
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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
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c