Analysis
- max time kernel
59s - max time network
62s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
05/01/2023, 00:47
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
10 signatures
150 seconds
General
- Target file.exe
- Size 2.0MB
- Sample230105-a47smsac25
- SHA256 dc0d0569cf2ef8b1b90457c0371d8f517be928a8cead021a72ca78cc3bbd4824
- MD5 40acaaad0f773f548a1f80aedcbd9e2f
- SHA1 0f1a47bcda08b20d01b85c8469896261e60586f4
- SHA512 4edbb60015777fcba0975b8d7cddb93b4b390970652b61078c641ab99fa143860e3ccba1eefe80a63c728f544bc61c1b4731fafa8da155e9d4436f4119cf3884
- SSDEEP 49152:Ui+RsL9oSBQncBAkoMRXY4qa74aeVjdrWrU97NM:Ui+4oUQncBTota747VJwQNM
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
nymaim
C2
-
45.139.105.171
-
85.31.46.167
Signatures
- Executes dropped EXE 3 IoCs
pid Process 1608 is-6RM9O.tmp 1688 SplitFiles130.exe 468 pphHoHGDB.exe - Loads dropped DLL 10 IoCs
pid Process 1480 file.exe 1608 is-6RM9O.tmp 1608 is-6RM9O.tmp 1608 is-6RM9O.tmp 1608 is-6RM9O.tmp 1688 SplitFiles130.exe 1688 SplitFiles130.exe 1688 SplitFiles130.exe 468 pphHoHGDB.exe 468 pphHoHGDB.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 17 IoCs
description ioc Process File created C:\Program Files (x86)\Split Files\language\is-L4AHQ.tmp is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\language\is-Q08EQ.tmp is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\language\is-VPACA.tmp is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\language\is-O9NCL.tmp is-6RM9O.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat is-6RM9O.tmp File opened for modification C:\Program Files (x86)\Split Files\SplitFiles130.exe is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\is-DGOF6.tmp is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\language\is-R5GS6.tmp is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\is-2B7FG.tmp is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\is-6GO0E.tmp is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\is-T1P9E.tmp is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\unins000.dat is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\is-MR9Q2.tmp is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\language\is-Q48V1.tmp is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\language\is-KBJS0.tmp is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\language\is-NNLB6.tmp is-6RM9O.tmp File created C:\Program Files (x86)\Split Files\language\is-DJVAC.tmp is-6RM9O.tmp - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Kills process with taskkill 1 IoCs
pid Process 992 taskkill.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1688 SplitFiles130.exe 1688 SplitFiles130.exe 1688 SplitFiles130.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 992 taskkill.exe Token: SeRestorePrivilege 1608 is-6RM9O.tmp Token: SeBackupPrivilege 1608 is-6RM9O.tmp - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1480 wrote to memory of 1608 1480 file.exe 28 PID 1480 wrote to memory of 1608 1480 file.exe 28 PID 1480 wrote to memory of 1608 1480 file.exe 28 PID 1480 wrote to memory of 1608 1480 file.exe 28 PID 1480 wrote to memory of 1608 1480 file.exe 28 PID 1480 wrote to memory of 1608 1480 file.exe 28 PID 1480 wrote to memory of 1608 1480 file.exe 28 PID 1608 wrote to memory of 1688 1608 is-6RM9O.tmp 29 PID 1608 wrote to memory of 1688 1608 is-6RM9O.tmp 29 PID 1608 wrote to memory of 1688 1608 is-6RM9O.tmp 29 PID 1608 wrote to memory of 1688 1608 is-6RM9O.tmp 29 PID 1608 wrote to memory of 1688 1608 is-6RM9O.tmp 29 PID 1608 wrote to memory of 1688 1608 is-6RM9O.tmp 29 PID 1608 wrote to memory of 1688 1608 is-6RM9O.tmp 29 PID 1688 wrote to memory of 468 1688 SplitFiles130.exe 30 PID 1688 wrote to memory of 468 1688 SplitFiles130.exe 30 PID 1688 wrote to memory of 468 1688 SplitFiles130.exe 30 PID 1688 wrote to memory of 468 1688 SplitFiles130.exe 30 PID 1688 wrote to memory of 468 1688 SplitFiles130.exe 30 PID 1688 wrote to memory of 468 1688 SplitFiles130.exe 30 PID 1688 wrote to memory of 468 1688 SplitFiles130.exe 30 PID 1688 wrote to memory of 664 1688 SplitFiles130.exe 33 PID 1688 wrote to memory of 664 1688 SplitFiles130.exe 33 PID 1688 wrote to memory of 664 1688 SplitFiles130.exe 33 PID 1688 wrote to memory of 664 1688 SplitFiles130.exe 33 PID 1688 wrote to memory of 664 1688 SplitFiles130.exe 33 PID 1688 wrote to memory of 664 1688 SplitFiles130.exe 33 PID 1688 wrote to memory of 664 1688 SplitFiles130.exe 33 PID 664 wrote to memory of 992 664 cmd.exe 35 PID 664 wrote to memory of 992 664 cmd.exe 35 PID 664 wrote to memory of 992 664 cmd.exe 35 PID 664 wrote to memory of 992 664 cmd.exe 35 PID 664 wrote to memory of 992 664 cmd.exe 35 PID 664 wrote to memory of 992 664 cmd.exe 35 PID 664 wrote to memory of 992 664 cmd.exe 35
Processes
-
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:1480 -
C:\Users\Admin\AppData\Local\Temp\is-V88C8.tmp\is-6RM9O.tmp"C:\Users\Admin\AppData\Local\Temp\is-V88C8.tmp\is-6RM9O.tmp" /SL4 $80122 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1819313 3174402⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Program Files (x86)\Split Files\SplitFiles130.exe"C:\Program Files (x86)\Split Files\SplitFiles130.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\pphHoHGDB.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:468
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "SplitFiles130.exe" /f & erase "C:\Program Files (x86)\Split Files\SplitFiles130.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:664 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "SplitFiles130.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:992
-
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\Split Files\SplitFiles130.exe
- Size 3.3MB
- SHA256 892af02508957b8de50764476d8345e430f8fa133e24dd6b7812b25dd8625406
- MD5 13a6684d834cb5f49cdec727beed4dfc
- SHA1 bb503f633400796a49c506a0f91db9be6ec509d2
- SHA512 6ed3d17564ebbfc7eb50e605c37411f7dbe96dcfee2c800bc0b21d5b60fdb2a7beac045ce7199d7343f2f86097246242e9998ba7c983efdd50f7c77d10ff2941
- SSDEEP 49152:GaahYFFZV3+B1fnOukD57TOY33xQ/thPvQshL0k8ZC:+hYFFZRM93k97733SVdvQshL0ZY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files (x86)\Split Files\SplitFiles130.exe
- Size 3.3MB
- SHA256 892af02508957b8de50764476d8345e430f8fa133e24dd6b7812b25dd8625406
- MD5 13a6684d834cb5f49cdec727beed4dfc
- SHA1 bb503f633400796a49c506a0f91db9be6ec509d2
- SHA512 6ed3d17564ebbfc7eb50e605c37411f7dbe96dcfee2c800bc0b21d5b60fdb2a7beac045ce7199d7343f2f86097246242e9998ba7c983efdd50f7c77d10ff2941
- SSDEEP 49152:GaahYFFZV3+B1fnOukD57TOY33xQ/thPvQshL0k8ZC:+hYFFZRM93k97733SVdvQshL0ZY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-V88C8.tmp\is-6RM9O.tmp
- Size 904KB
- SHA256 a50d5dee599a94b9997b0b8eef81f2a9b78e4e7180a531b00b0b2f17605704ad
- MD5 86fa7d6a19cb2f684d41a87340ae236b
- SHA1 9882401e2ee1201b81e34c59ab5baae572f8aaa8
- SHA512 20d13e2f14ba4907d3a9988133eb07483afd6cbd5c43deb7f314cf1cd13835bd7b9cbd59a7a5075102bb47d7dcf27111519c79b2222584dc64e6a4c573f52149
- SSDEEP 12288:epmOmg1k2bfrP437QzH/A6A40lG77NzknuGyU2xOs:Umt2bfrP437QzH/A6A7E7dVPPxOs
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-V88C8.tmp\is-6RM9O.tmp
- Size 904KB
- SHA256 a50d5dee599a94b9997b0b8eef81f2a9b78e4e7180a531b00b0b2f17605704ad
- MD5 86fa7d6a19cb2f684d41a87340ae236b
- SHA1 9882401e2ee1201b81e34c59ab5baae572f8aaa8
- SHA512 20d13e2f14ba4907d3a9988133eb07483afd6cbd5c43deb7f314cf1cd13835bd7b9cbd59a7a5075102bb47d7dcf27111519c79b2222584dc64e6a4c573f52149
- SSDEEP 12288:epmOmg1k2bfrP437QzH/A6A40lG77NzknuGyU2xOs:Umt2bfrP437QzH/A6A7E7dVPPxOs
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\pphHoHGDB.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\pphHoHGDB.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\Split Files\SplitFiles130.exe
- Size 3.3MB
- SHA256 892af02508957b8de50764476d8345e430f8fa133e24dd6b7812b25dd8625406
- MD5 13a6684d834cb5f49cdec727beed4dfc
- SHA1 bb503f633400796a49c506a0f91db9be6ec509d2
- SHA512 6ed3d17564ebbfc7eb50e605c37411f7dbe96dcfee2c800bc0b21d5b60fdb2a7beac045ce7199d7343f2f86097246242e9998ba7c983efdd50f7c77d10ff2941
- SSDEEP 49152:GaahYFFZV3+B1fnOukD57TOY33xQ/thPvQshL0k8ZC:+hYFFZRM93k97733SVdvQshL0ZY
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\Split Files\SplitFiles130.exe
- Size 3.3MB
- SHA256 892af02508957b8de50764476d8345e430f8fa133e24dd6b7812b25dd8625406
- MD5 13a6684d834cb5f49cdec727beed4dfc
- SHA1 bb503f633400796a49c506a0f91db9be6ec509d2
- SHA512 6ed3d17564ebbfc7eb50e605c37411f7dbe96dcfee2c800bc0b21d5b60fdb2a7beac045ce7199d7343f2f86097246242e9998ba7c983efdd50f7c77d10ff2941
- SSDEEP 49152:GaahYFFZV3+B1fnOukD57TOY33xQ/thPvQshL0k8ZC:+hYFFZRM93k97733SVdvQshL0ZY
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\Split Files\SplitFiles130.exe
- Size 3.3MB
- SHA256 892af02508957b8de50764476d8345e430f8fa133e24dd6b7812b25dd8625406
- MD5 13a6684d834cb5f49cdec727beed4dfc
- SHA1 bb503f633400796a49c506a0f91db9be6ec509d2
- SHA512 6ed3d17564ebbfc7eb50e605c37411f7dbe96dcfee2c800bc0b21d5b60fdb2a7beac045ce7199d7343f2f86097246242e9998ba7c983efdd50f7c77d10ff2941
- SSDEEP 49152:GaahYFFZV3+B1fnOukD57TOY33xQ/thPvQshL0k8ZC:+hYFFZRM93k97733SVdvQshL0ZY
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-ET708.tmp\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512
- Path \Users\Admin\AppData\Local\Temp\is-ET708.tmp\_isetup\_shfoldr.dll
- Size 22KB
- SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
- MD5 92dc6ef532fbb4a5c3201469a5b5eb63
- SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
- SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
- SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-ET708.tmp\_isetup\_shfoldr.dll
- Size 22KB
- SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
- MD5 92dc6ef532fbb4a5c3201469a5b5eb63
- SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
- SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
- SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-V88C8.tmp\is-6RM9O.tmp
- Size 904KB
- SHA256 a50d5dee599a94b9997b0b8eef81f2a9b78e4e7180a531b00b0b2f17605704ad
- MD5 86fa7d6a19cb2f684d41a87340ae236b
- SHA1 9882401e2ee1201b81e34c59ab5baae572f8aaa8
- SHA512 20d13e2f14ba4907d3a9988133eb07483afd6cbd5c43deb7f314cf1cd13835bd7b9cbd59a7a5075102bb47d7dcf27111519c79b2222584dc64e6a4c573f52149
- SSDEEP 12288:epmOmg1k2bfrP437QzH/A6A40lG77NzknuGyU2xOs:Umt2bfrP437QzH/A6A7E7dVPPxOs
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\pphHoHGDB.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\pphHoHGDB.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\pphHoHGDB.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP