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Analysis
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max time kernel
60s -
max time network
62s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
18/12/2022, 23:32
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
2.5MB
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MD5
7dc58f88b0d1c37aae28fa0854f5796a
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SHA1
69e495449b3beb185517c8b4fef3aea5d3a4f40c
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SHA256
053876ce93eb32b9a63d46a6f71533c59c2ad8fefe30ff7c6d92f62ee12cabe6
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SHA512
e1e20e0b8794df6f9e65267ea17c651d8d74285757ea8a574216b3045e3c15f873e51ad9caa1336354abbd6f147fcfb731b4b5a12a7e736b5a61d66bf7155f01
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SSDEEP
49152:N0PBlob+781YdnmFoA41sy8Kar3DHGoDD93bHxIZoTYLaTAM77Vf7O/d3HV:N0PBbDna3ZzDHGc3bHx1cQ1Q1
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1676 is-0JS2G.tmp 1388 ocFolders.exe 812 6VTavtJ.exe -
Loads dropped DLL 10 IoCs
pid Process 556 file.exe 1676 is-0JS2G.tmp 1676 is-0JS2G.tmp 1676 is-0JS2G.tmp 1676 is-0JS2G.tmp 1388 ocFolders.exe 1388 ocFolders.exe 1388 ocFolders.exe 812 6VTavtJ.exe 812 6VTavtJ.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)\PrintFolders\is-ES45V.tmp is-0JS2G.tmp File created C:\Program Files (x86)\PrintFolders\is-1HFBC.tmp is-0JS2G.tmp File created C:\Program Files (x86)\PrintFolders\is-A04D8.tmp is-0JS2G.tmp File created C:\Program Files (x86)\PrintFolders\is-IH0GV.tmp is-0JS2G.tmp File opened for modification C:\Program Files (x86)\PrintFolders\ocFolders.exe is-0JS2G.tmp File created C:\Program Files (x86)\PrintFolders\unins000.dat is-0JS2G.tmp File created C:\Program Files (x86)\PrintFolders\is-ULBQ2.tmp is-0JS2G.tmp File created C:\Program Files (x86)\PrintFolders\is-VUUOR.tmp is-0JS2G.tmp File opened for modification C:\Program Files (x86)\PrintFolders\unins000.dat is-0JS2G.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 1664 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1388 ocFolders.exe 1388 ocFolders.exe 1388 ocFolders.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 1676 is-0JS2G.tmp Token: SeBackupPrivilege 1676 is-0JS2G.tmp Token: SeDebugPrivilege 1664 taskkill.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 556 wrote to memory of 1676 556 file.exe 27 PID 556 wrote to memory of 1676 556 file.exe 27 PID 556 wrote to memory of 1676 556 file.exe 27 PID 556 wrote to memory of 1676 556 file.exe 27 PID 556 wrote to memory of 1676 556 file.exe 27 PID 556 wrote to memory of 1676 556 file.exe 27 PID 556 wrote to memory of 1676 556 file.exe 27 PID 1676 wrote to memory of 1388 1676 is-0JS2G.tmp 28 PID 1676 wrote to memory of 1388 1676 is-0JS2G.tmp 28 PID 1676 wrote to memory of 1388 1676 is-0JS2G.tmp 28 PID 1676 wrote to memory of 1388 1676 is-0JS2G.tmp 28 PID 1676 wrote to memory of 1388 1676 is-0JS2G.tmp 28 PID 1676 wrote to memory of 1388 1676 is-0JS2G.tmp 28 PID 1676 wrote to memory of 1388 1676 is-0JS2G.tmp 28 PID 1388 wrote to memory of 812 1388 ocFolders.exe 29 PID 1388 wrote to memory of 812 1388 ocFolders.exe 29 PID 1388 wrote to memory of 812 1388 ocFolders.exe 29 PID 1388 wrote to memory of 812 1388 ocFolders.exe 29 PID 1388 wrote to memory of 812 1388 ocFolders.exe 29 PID 1388 wrote to memory of 812 1388 ocFolders.exe 29 PID 1388 wrote to memory of 812 1388 ocFolders.exe 29 PID 1388 wrote to memory of 2020 1388 ocFolders.exe 32 PID 1388 wrote to memory of 2020 1388 ocFolders.exe 32 PID 1388 wrote to memory of 2020 1388 ocFolders.exe 32 PID 1388 wrote to memory of 2020 1388 ocFolders.exe 32 PID 1388 wrote to memory of 2020 1388 ocFolders.exe 32 PID 1388 wrote to memory of 2020 1388 ocFolders.exe 32 PID 1388 wrote to memory of 2020 1388 ocFolders.exe 32 PID 2020 wrote to memory of 1664 2020 cmd.exe 34 PID 2020 wrote to memory of 1664 2020 cmd.exe 34 PID 2020 wrote to memory of 1664 2020 cmd.exe 34 PID 2020 wrote to memory of 1664 2020 cmd.exe 34 PID 2020 wrote to memory of 1664 2020 cmd.exe 34 PID 2020 wrote to memory of 1664 2020 cmd.exe 34 PID 2020 wrote to memory of 1664 2020 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:556 -
C:\Users\Admin\AppData\Local\Temp\is-H4LHI.tmp\is-0JS2G.tmp"C:\Users\Admin\AppData\Local\Temp\is-H4LHI.tmp\is-0JS2G.tmp" /SL4 $60122 "C:\Users\Admin\AppData\Local\Temp\file.exe" 2320436 1699842⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Program Files (x86)\PrintFolders\ocFolders.exe"C:\Program Files (x86)\PrintFolders\ocFolders.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\6VTavtJ.exe
- Executes dropped EXE
- Loads dropped DLL
PID:812
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "ocFolders.exe" /f & erase "C:\Program Files (x86)\PrintFolders\ocFolders.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "ocFolders.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1664
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3.7MB
MD56a37c7f7735e014c1b21bcce468e9221
SHA1244e4a4cd2766696bdf6cc2b5be901252ecb7178
SHA2564de995f0e3e79b89648c0c4861ebf97f3e097912e2b3d84fafba124cc4a56205
SHA512ce1e6d8b7d4fd5d0cd38570e3dbc9822cc12739556fb229b0e1c24b60e0c411038ec8d0ea35066b8c6c2edda79005f26155a68c0baf1045bc96724e41e2ce940
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Filesize
3.7MB
MD56a37c7f7735e014c1b21bcce468e9221
SHA1244e4a4cd2766696bdf6cc2b5be901252ecb7178
SHA2564de995f0e3e79b89648c0c4861ebf97f3e097912e2b3d84fafba124cc4a56205
SHA512ce1e6d8b7d4fd5d0cd38570e3dbc9822cc12739556fb229b0e1c24b60e0c411038ec8d0ea35066b8c6c2edda79005f26155a68c0baf1045bc96724e41e2ce940
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Filesize
759KB
MD5d35c838e416f6a317c90117cc834b92b
SHA1289a030cc78131163a8d6bc3c5dd831ac0f962a1
SHA2562d4703dac05e8e6d136a8173f84d2618b54b6e7ef44ae5557350614bbb5a9797
SHA5129a50f934c199b4415911cae873cebd46f682526290b41a42a882a580fed67c99f5248abfbaa367f20b471564b4cf6d62f28ed2c945206267b37788f94377f167
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Filesize
759KB
MD5d35c838e416f6a317c90117cc834b92b
SHA1289a030cc78131163a8d6bc3c5dd831ac0f962a1
SHA2562d4703dac05e8e6d136a8173f84d2618b54b6e7ef44ae5557350614bbb5a9797
SHA5129a50f934c199b4415911cae873cebd46f682526290b41a42a882a580fed67c99f5248abfbaa367f20b471564b4cf6d62f28ed2c945206267b37788f94377f167
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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
3.7MB
MD56a37c7f7735e014c1b21bcce468e9221
SHA1244e4a4cd2766696bdf6cc2b5be901252ecb7178
SHA2564de995f0e3e79b89648c0c4861ebf97f3e097912e2b3d84fafba124cc4a56205
SHA512ce1e6d8b7d4fd5d0cd38570e3dbc9822cc12739556fb229b0e1c24b60e0c411038ec8d0ea35066b8c6c2edda79005f26155a68c0baf1045bc96724e41e2ce940
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Filesize
3.7MB
MD56a37c7f7735e014c1b21bcce468e9221
SHA1244e4a4cd2766696bdf6cc2b5be901252ecb7178
SHA2564de995f0e3e79b89648c0c4861ebf97f3e097912e2b3d84fafba124cc4a56205
SHA512ce1e6d8b7d4fd5d0cd38570e3dbc9822cc12739556fb229b0e1c24b60e0c411038ec8d0ea35066b8c6c2edda79005f26155a68c0baf1045bc96724e41e2ce940
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Filesize
3.7MB
MD56a37c7f7735e014c1b21bcce468e9221
SHA1244e4a4cd2766696bdf6cc2b5be901252ecb7178
SHA2564de995f0e3e79b89648c0c4861ebf97f3e097912e2b3d84fafba124cc4a56205
SHA512ce1e6d8b7d4fd5d0cd38570e3dbc9822cc12739556fb229b0e1c24b60e0c411038ec8d0ea35066b8c6c2edda79005f26155a68c0baf1045bc96724e41e2ce940
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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
759KB
MD5d35c838e416f6a317c90117cc834b92b
SHA1289a030cc78131163a8d6bc3c5dd831ac0f962a1
SHA2562d4703dac05e8e6d136a8173f84d2618b54b6e7ef44ae5557350614bbb5a9797
SHA5129a50f934c199b4415911cae873cebd46f682526290b41a42a882a580fed67c99f5248abfbaa367f20b471564b4cf6d62f28ed2c945206267b37788f94377f167
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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