Analysis
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max time kernel
84s -
max time network
88s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04/12/2022, 06:01
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
3.6MB
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MD5
fee8e10291b93a6f69d8fea36cacf6ce
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SHA1
9a2fe375e4bacb5fae1dd2043a963e43b6964d3e
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SHA256
4155235fa8ccd4366dcb26f1cb3b6ec3b3c64ca8370646f0570aff7db9ad63b0
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SHA512
0454f2004f412dd11b18b163a916a70e675d09ea56cd9be886b9240b25e36a98ca6c3144084e651ad6cd58cd418939679b5d5e330d030a51f1ddb1f11f143d56
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SSDEEP
98304:4b4xoRZUei+9o4Iq/37CouD87PYusTQZd7GXcyo:Dom+3Iq/37CP8DY6IXcyo
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 672 is-H49MI.tmp 1944 PrintFolders.exe 1780 9qXPFW5.exe -
Loads dropped DLL 10 IoCs
pid Process 1348 file.exe 672 is-H49MI.tmp 672 is-H49MI.tmp 672 is-H49MI.tmp 672 is-H49MI.tmp 1944 PrintFolders.exe 1944 PrintFolders.exe 1944 PrintFolders.exe 1780 9qXPFW5.exe 1780 9qXPFW5.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-G0GI3.tmp is-H49MI.tmp File created C:\Program Files (x86)\PrintFolders\is-CORGR.tmp is-H49MI.tmp File created C:\Program Files (x86)\PrintFolders\is-HEI25.tmp is-H49MI.tmp File created C:\Program Files (x86)\PrintFolders\is-6I8OT.tmp is-H49MI.tmp File created C:\Program Files (x86)\PrintFolders\unins000.dat is-H49MI.tmp File created C:\Program Files (x86)\PrintFolders\is-C1VHC.tmp is-H49MI.tmp File created C:\Program Files (x86)\PrintFolders\is-LMTAR.tmp is-H49MI.tmp File opened for modification C:\Program Files (x86)\PrintFolders\unins000.dat is-H49MI.tmp File opened for modification C:\Program Files (x86)\PrintFolders\PrintFolders.exe is-H49MI.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 612 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1944 PrintFolders.exe 1944 PrintFolders.exe 1944 PrintFolders.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 672 is-H49MI.tmp Token: SeBackupPrivilege 672 is-H49MI.tmp Token: SeDebugPrivilege 612 taskkill.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1348 wrote to memory of 672 1348 file.exe 26 PID 1348 wrote to memory of 672 1348 file.exe 26 PID 1348 wrote to memory of 672 1348 file.exe 26 PID 1348 wrote to memory of 672 1348 file.exe 26 PID 1348 wrote to memory of 672 1348 file.exe 26 PID 1348 wrote to memory of 672 1348 file.exe 26 PID 1348 wrote to memory of 672 1348 file.exe 26 PID 672 wrote to memory of 1944 672 is-H49MI.tmp 27 PID 672 wrote to memory of 1944 672 is-H49MI.tmp 27 PID 672 wrote to memory of 1944 672 is-H49MI.tmp 27 PID 672 wrote to memory of 1944 672 is-H49MI.tmp 27 PID 672 wrote to memory of 1944 672 is-H49MI.tmp 27 PID 672 wrote to memory of 1944 672 is-H49MI.tmp 27 PID 672 wrote to memory of 1944 672 is-H49MI.tmp 27 PID 1944 wrote to memory of 1780 1944 PrintFolders.exe 28 PID 1944 wrote to memory of 1780 1944 PrintFolders.exe 28 PID 1944 wrote to memory of 1780 1944 PrintFolders.exe 28 PID 1944 wrote to memory of 1780 1944 PrintFolders.exe 28 PID 1944 wrote to memory of 1780 1944 PrintFolders.exe 28 PID 1944 wrote to memory of 1780 1944 PrintFolders.exe 28 PID 1944 wrote to memory of 1780 1944 PrintFolders.exe 28 PID 1944 wrote to memory of 628 1944 PrintFolders.exe 31 PID 1944 wrote to memory of 628 1944 PrintFolders.exe 31 PID 1944 wrote to memory of 628 1944 PrintFolders.exe 31 PID 1944 wrote to memory of 628 1944 PrintFolders.exe 31 PID 1944 wrote to memory of 628 1944 PrintFolders.exe 31 PID 1944 wrote to memory of 628 1944 PrintFolders.exe 31 PID 1944 wrote to memory of 628 1944 PrintFolders.exe 31 PID 628 wrote to memory of 612 628 cmd.exe 33 PID 628 wrote to memory of 612 628 cmd.exe 33 PID 628 wrote to memory of 612 628 cmd.exe 33 PID 628 wrote to memory of 612 628 cmd.exe 33 PID 628 wrote to memory of 612 628 cmd.exe 33 PID 628 wrote to memory of 612 628 cmd.exe 33 PID 628 wrote to memory of 612 628 cmd.exe 33
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:1348 -
C:\Users\Admin\AppData\Local\Temp\is-1FFAK.tmp\is-H49MI.tmp"C:\Users\Admin\AppData\Local\Temp\is-1FFAK.tmp\is-H49MI.tmp" /SL4 $90120 "C:\Users\Admin\AppData\Local\Temp\file.exe" 3539173 517122⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:672 -
C:\Program Files (x86)\PrintFolders\PrintFolders.exe"C:\Program Files (x86)\PrintFolders\PrintFolders.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\9qXPFW5.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1780
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "PrintFolders.exe" /f & erase "C:\Program Files (x86)\PrintFolders\PrintFolders.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:628 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "PrintFolders.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:612
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
6.0MB
MD503a072e1c386cf47c4f15e0a7a0b71df
SHA1ba84c82d5e3f30fc2abc01acbe68fbcaa57031a9
SHA2561bce62c93f575dd88ebd1a329343ea1a164ebeb6b9881f9958ef4333027f9d96
SHA51256f7d2eb21e5a9e096ab441d2d0aedfc43403acc33ce3c6ffd9a7219e3b1b6bbda1a09916c3deda5aad2b70f3e3ee92a16e6a7ba57c60876d0c0a3214199fbf3
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Filesize
6.0MB
MD503a072e1c386cf47c4f15e0a7a0b71df
SHA1ba84c82d5e3f30fc2abc01acbe68fbcaa57031a9
SHA2561bce62c93f575dd88ebd1a329343ea1a164ebeb6b9881f9958ef4333027f9d96
SHA51256f7d2eb21e5a9e096ab441d2d0aedfc43403acc33ce3c6ffd9a7219e3b1b6bbda1a09916c3deda5aad2b70f3e3ee92a16e6a7ba57c60876d0c0a3214199fbf3
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Filesize
643KB
MD5363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1a4cdb756698ed28f522956166a6292e9e309dd9c
SHA256b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
SHA512b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70
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Filesize
643KB
MD5363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1a4cdb756698ed28f522956166a6292e9e309dd9c
SHA256b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
SHA512b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70
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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
6.0MB
MD503a072e1c386cf47c4f15e0a7a0b71df
SHA1ba84c82d5e3f30fc2abc01acbe68fbcaa57031a9
SHA2561bce62c93f575dd88ebd1a329343ea1a164ebeb6b9881f9958ef4333027f9d96
SHA51256f7d2eb21e5a9e096ab441d2d0aedfc43403acc33ce3c6ffd9a7219e3b1b6bbda1a09916c3deda5aad2b70f3e3ee92a16e6a7ba57c60876d0c0a3214199fbf3
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Filesize
6.0MB
MD503a072e1c386cf47c4f15e0a7a0b71df
SHA1ba84c82d5e3f30fc2abc01acbe68fbcaa57031a9
SHA2561bce62c93f575dd88ebd1a329343ea1a164ebeb6b9881f9958ef4333027f9d96
SHA51256f7d2eb21e5a9e096ab441d2d0aedfc43403acc33ce3c6ffd9a7219e3b1b6bbda1a09916c3deda5aad2b70f3e3ee92a16e6a7ba57c60876d0c0a3214199fbf3
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Filesize
6.0MB
MD503a072e1c386cf47c4f15e0a7a0b71df
SHA1ba84c82d5e3f30fc2abc01acbe68fbcaa57031a9
SHA2561bce62c93f575dd88ebd1a329343ea1a164ebeb6b9881f9958ef4333027f9d96
SHA51256f7d2eb21e5a9e096ab441d2d0aedfc43403acc33ce3c6ffd9a7219e3b1b6bbda1a09916c3deda5aad2b70f3e3ee92a16e6a7ba57c60876d0c0a3214199fbf3
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Filesize
643KB
MD5363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1a4cdb756698ed28f522956166a6292e9e309dd9c
SHA256b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
SHA512b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70
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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
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
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Filesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c