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Analysis
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max time kernel
56s -
max time network
58s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
26/12/2022, 10:21
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
General
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Target
file.exe
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Size
2.1MB
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MD5
b15b29b122f2a560beca0328a02b63d4
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SHA1
ec9b566137ae4973362b17ce8e9d0459902d3c85
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SHA256
f825e65ca0525c1a7eafc517d2077859c2d27fd76b7d15bbb6f55892fcba864a
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SHA512
aa9c2453b64e2832372c68e1e38b230ac90dd3575dbc012df5785dd0616176158c52b823ece83d14608b6f1748df2682d1b7efd0210ac6d14df2e0f4370b4312
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SSDEEP
49152:6Gh08bqoNdSsAS5RBdN0X4xkVodropKX3AJTinSgzxa:6G08WYBWX4kerJETiq
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1188 is-PKE97.tmp 1168 SplitFiles121.exe 980 MQSvdY.exe -
Loads dropped DLL 10 IoCs
pid Process 1292 file.exe 1188 is-PKE97.tmp 1188 is-PKE97.tmp 1188 is-PKE97.tmp 1188 is-PKE97.tmp 1168 SplitFiles121.exe 1168 SplitFiles121.exe 1168 SplitFiles121.exe 980 MQSvdY.exe 980 MQSvdY.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 17 IoCs
description ioc Process File created C:\Program Files (x86)\Split Files\language\is-PGPKL.tmp is-PKE97.tmp File created C:\Program Files (x86)\Split Files\language\is-G64J4.tmp is-PKE97.tmp File created C:\Program Files (x86)\Split Files\is-AKC9U.tmp is-PKE97.tmp File created C:\Program Files (x86)\Split Files\language\is-2U31T.tmp is-PKE97.tmp File created C:\Program Files (x86)\Split Files\language\is-9RPNF.tmp is-PKE97.tmp File created C:\Program Files (x86)\Split Files\is-VOFMQ.tmp is-PKE97.tmp File created C:\Program Files (x86)\Split Files\is-MV537.tmp is-PKE97.tmp File created C:\Program Files (x86)\Split Files\is-92PMO.tmp is-PKE97.tmp File created C:\Program Files (x86)\Split Files\language\is-ESQ3M.tmp is-PKE97.tmp File created C:\Program Files (x86)\Split Files\language\is-G2VDL.tmp is-PKE97.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat is-PKE97.tmp File created C:\Program Files (x86)\Split Files\unins000.dat is-PKE97.tmp File created C:\Program Files (x86)\Split Files\language\is-IJP3F.tmp is-PKE97.tmp File created C:\Program Files (x86)\Split Files\language\is-F540R.tmp is-PKE97.tmp File created C:\Program Files (x86)\Split Files\is-L48PV.tmp is-PKE97.tmp File opened for modification C:\Program Files (x86)\Split Files\SplitFiles121.exe is-PKE97.tmp File created C:\Program Files (x86)\Split Files\language\is-PHEFB.tmp is-PKE97.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 1808 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1168 SplitFiles121.exe 1168 SplitFiles121.exe 1168 SplitFiles121.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1808 taskkill.exe Token: SeRestorePrivilege 1188 is-PKE97.tmp Token: SeBackupPrivilege 1188 is-PKE97.tmp -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1292 wrote to memory of 1188 1292 file.exe 28 PID 1292 wrote to memory of 1188 1292 file.exe 28 PID 1292 wrote to memory of 1188 1292 file.exe 28 PID 1292 wrote to memory of 1188 1292 file.exe 28 PID 1292 wrote to memory of 1188 1292 file.exe 28 PID 1292 wrote to memory of 1188 1292 file.exe 28 PID 1292 wrote to memory of 1188 1292 file.exe 28 PID 1188 wrote to memory of 1168 1188 is-PKE97.tmp 29 PID 1188 wrote to memory of 1168 1188 is-PKE97.tmp 29 PID 1188 wrote to memory of 1168 1188 is-PKE97.tmp 29 PID 1188 wrote to memory of 1168 1188 is-PKE97.tmp 29 PID 1188 wrote to memory of 1168 1188 is-PKE97.tmp 29 PID 1188 wrote to memory of 1168 1188 is-PKE97.tmp 29 PID 1188 wrote to memory of 1168 1188 is-PKE97.tmp 29 PID 1168 wrote to memory of 980 1168 SplitFiles121.exe 30 PID 1168 wrote to memory of 980 1168 SplitFiles121.exe 30 PID 1168 wrote to memory of 980 1168 SplitFiles121.exe 30 PID 1168 wrote to memory of 980 1168 SplitFiles121.exe 30 PID 1168 wrote to memory of 980 1168 SplitFiles121.exe 30 PID 1168 wrote to memory of 980 1168 SplitFiles121.exe 30 PID 1168 wrote to memory of 980 1168 SplitFiles121.exe 30 PID 1168 wrote to memory of 796 1168 SplitFiles121.exe 33 PID 1168 wrote to memory of 796 1168 SplitFiles121.exe 33 PID 1168 wrote to memory of 796 1168 SplitFiles121.exe 33 PID 1168 wrote to memory of 796 1168 SplitFiles121.exe 33 PID 1168 wrote to memory of 796 1168 SplitFiles121.exe 33 PID 1168 wrote to memory of 796 1168 SplitFiles121.exe 33 PID 1168 wrote to memory of 796 1168 SplitFiles121.exe 33 PID 796 wrote to memory of 1808 796 cmd.exe 35 PID 796 wrote to memory of 1808 796 cmd.exe 35 PID 796 wrote to memory of 1808 796 cmd.exe 35 PID 796 wrote to memory of 1808 796 cmd.exe 35 PID 796 wrote to memory of 1808 796 cmd.exe 35 PID 796 wrote to memory of 1808 796 cmd.exe 35 PID 796 wrote to memory of 1808 796 cmd.exe 35
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:1292 -
C:\Users\Admin\AppData\Local\Temp\is-V3ESI.tmp\is-PKE97.tmp"C:\Users\Admin\AppData\Local\Temp\is-V3ESI.tmp\is-PKE97.tmp" /SL4 $70126 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1979821 3169282⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1188 -
C:\Program Files (x86)\Split Files\SplitFiles121.exe"C:\Program Files (x86)\Split Files\SplitFiles121.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\MQSvdY.exe
- Executes dropped EXE
- Loads dropped DLL
PID:980
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "SplitFiles121.exe" /f & erase "C:\Program Files (x86)\Split Files\SplitFiles121.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:796 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "SplitFiles121.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1808
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.5MB
MD569e76fbddcf8ac7c490a51b4e8319efb
SHA199c37adef8cb393692bee535f6d4eb9d357a4b7a
SHA256c29f338c28bc8a86a996c5c3f9db2446d6e800ec65f0bb834f9ce2db17b845d3
SHA512c0668321c5a2360a88aef01a8cee1c6d945dcdee325618688d6a1241ea9e88c3a10812da9df18648c74b02cfb41dbf45af071dbf0a8424b68e0198a8cd8c7dec
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Filesize
3.5MB
MD569e76fbddcf8ac7c490a51b4e8319efb
SHA199c37adef8cb393692bee535f6d4eb9d357a4b7a
SHA256c29f338c28bc8a86a996c5c3f9db2446d6e800ec65f0bb834f9ce2db17b845d3
SHA512c0668321c5a2360a88aef01a8cee1c6d945dcdee325618688d6a1241ea9e88c3a10812da9df18648c74b02cfb41dbf45af071dbf0a8424b68e0198a8cd8c7dec
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Filesize
903KB
MD50e214ed840148aacdcd0cc4792acf0c3
SHA18731e1007a87b7be4a57db4f84aedab8a212eb37
SHA25642e06dc9acbfbbf3b9d69fb4f841b4153a69ab30d2ba9299e16ca765f271f9ca
SHA5120381cece20c597b47b1622b7f56609c76774612ea31c9ceceab29708181976682195d0935f91e08f455e6dc45cee3d2504fb6c0948480be3c6f8c75e0b59c42f
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Filesize
903KB
MD50e214ed840148aacdcd0cc4792acf0c3
SHA18731e1007a87b7be4a57db4f84aedab8a212eb37
SHA25642e06dc9acbfbbf3b9d69fb4f841b4153a69ab30d2ba9299e16ca765f271f9ca
SHA5120381cece20c597b47b1622b7f56609c76774612ea31c9ceceab29708181976682195d0935f91e08f455e6dc45cee3d2504fb6c0948480be3c6f8c75e0b59c42f
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
3.5MB
MD569e76fbddcf8ac7c490a51b4e8319efb
SHA199c37adef8cb393692bee535f6d4eb9d357a4b7a
SHA256c29f338c28bc8a86a996c5c3f9db2446d6e800ec65f0bb834f9ce2db17b845d3
SHA512c0668321c5a2360a88aef01a8cee1c6d945dcdee325618688d6a1241ea9e88c3a10812da9df18648c74b02cfb41dbf45af071dbf0a8424b68e0198a8cd8c7dec
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Filesize
3.5MB
MD569e76fbddcf8ac7c490a51b4e8319efb
SHA199c37adef8cb393692bee535f6d4eb9d357a4b7a
SHA256c29f338c28bc8a86a996c5c3f9db2446d6e800ec65f0bb834f9ce2db17b845d3
SHA512c0668321c5a2360a88aef01a8cee1c6d945dcdee325618688d6a1241ea9e88c3a10812da9df18648c74b02cfb41dbf45af071dbf0a8424b68e0198a8cd8c7dec
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Filesize
3.5MB
MD569e76fbddcf8ac7c490a51b4e8319efb
SHA199c37adef8cb393692bee535f6d4eb9d357a4b7a
SHA256c29f338c28bc8a86a996c5c3f9db2446d6e800ec65f0bb834f9ce2db17b845d3
SHA512c0668321c5a2360a88aef01a8cee1c6d945dcdee325618688d6a1241ea9e88c3a10812da9df18648c74b02cfb41dbf45af071dbf0a8424b68e0198a8cd8c7dec
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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
903KB
MD50e214ed840148aacdcd0cc4792acf0c3
SHA18731e1007a87b7be4a57db4f84aedab8a212eb37
SHA25642e06dc9acbfbbf3b9d69fb4f841b4153a69ab30d2ba9299e16ca765f271f9ca
SHA5120381cece20c597b47b1622b7f56609c76774612ea31c9ceceab29708181976682195d0935f91e08f455e6dc45cee3d2504fb6c0948480be3c6f8c75e0b59c42f
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c