Analysis
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max time kernel
59s -
max time network
61s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29/12/2022, 08:39
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
1.9MB
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MD5
9fbb43df1a78855ac47a37d5c4f7c379
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SHA1
e5338d88ca19e5ab3c1cc37f553296582920e99c
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SHA256
cb918082da7baa66df0ea914cad745f2be2f51774c18130f1752962a8ddce024
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SHA512
5017b318822ca80545599e08be01bf23b5366d7aeebbf48fb88b2f88d3042f6e8670184efa00c463abd8efbb4812ac18b69f1dea20b1bad58e8f4208e3f2def8
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SSDEEP
24576:SpnisF6lyrTjlj/CcqcJJWiS19XbWrqtr6+UOevmuBGE9g+V7hnK66m6wTp38:QidlglJpS1R7COevmMga7AUNM
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1268 is-17EJ7.tmp 848 SplitFiles124.exe 1276 zhD0UiLkIp.exe -
Loads dropped DLL 10 IoCs
pid Process 1744 file.exe 1268 is-17EJ7.tmp 1268 is-17EJ7.tmp 1268 is-17EJ7.tmp 1268 is-17EJ7.tmp 848 SplitFiles124.exe 848 SplitFiles124.exe 848 SplitFiles124.exe 1276 zhD0UiLkIp.exe 1276 zhD0UiLkIp.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\is-5DS97.tmp is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\language\is-JJ81U.tmp is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\is-HFFIO.tmp is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\language\is-8POTM.tmp is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\language\is-PPLLD.tmp is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\language\is-R2OSN.tmp is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\language\is-MIN02.tmp is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\language\is-2UREQ.tmp is-17EJ7.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\unins000.dat is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\is-7N8IV.tmp is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\language\is-8V7QP.tmp is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\language\is-BTS1T.tmp is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\language\is-E3BDT.tmp is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\is-Q77C0.tmp is-17EJ7.tmp File created C:\Program Files (x86)\Split Files\is-DKVNO.tmp is-17EJ7.tmp File opened for modification C:\Program Files (x86)\Split Files\SplitFiles124.exe is-17EJ7.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 848 SplitFiles124.exe 848 SplitFiles124.exe 848 SplitFiles124.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 812 taskkill.exe Token: SeRestorePrivilege 1268 is-17EJ7.tmp Token: SeBackupPrivilege 1268 is-17EJ7.tmp -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1744 wrote to memory of 1268 1744 file.exe 28 PID 1744 wrote to memory of 1268 1744 file.exe 28 PID 1744 wrote to memory of 1268 1744 file.exe 28 PID 1744 wrote to memory of 1268 1744 file.exe 28 PID 1744 wrote to memory of 1268 1744 file.exe 28 PID 1744 wrote to memory of 1268 1744 file.exe 28 PID 1744 wrote to memory of 1268 1744 file.exe 28 PID 1268 wrote to memory of 848 1268 is-17EJ7.tmp 29 PID 1268 wrote to memory of 848 1268 is-17EJ7.tmp 29 PID 1268 wrote to memory of 848 1268 is-17EJ7.tmp 29 PID 1268 wrote to memory of 848 1268 is-17EJ7.tmp 29 PID 1268 wrote to memory of 848 1268 is-17EJ7.tmp 29 PID 1268 wrote to memory of 848 1268 is-17EJ7.tmp 29 PID 1268 wrote to memory of 848 1268 is-17EJ7.tmp 29 PID 848 wrote to memory of 1276 848 SplitFiles124.exe 30 PID 848 wrote to memory of 1276 848 SplitFiles124.exe 30 PID 848 wrote to memory of 1276 848 SplitFiles124.exe 30 PID 848 wrote to memory of 1276 848 SplitFiles124.exe 30 PID 848 wrote to memory of 1276 848 SplitFiles124.exe 30 PID 848 wrote to memory of 1276 848 SplitFiles124.exe 30 PID 848 wrote to memory of 1276 848 SplitFiles124.exe 30 PID 848 wrote to memory of 1532 848 SplitFiles124.exe 33 PID 848 wrote to memory of 1532 848 SplitFiles124.exe 33 PID 848 wrote to memory of 1532 848 SplitFiles124.exe 33 PID 848 wrote to memory of 1532 848 SplitFiles124.exe 33 PID 848 wrote to memory of 1532 848 SplitFiles124.exe 33 PID 848 wrote to memory of 1532 848 SplitFiles124.exe 33 PID 848 wrote to memory of 1532 848 SplitFiles124.exe 33 PID 1532 wrote to memory of 812 1532 cmd.exe 35 PID 1532 wrote to memory of 812 1532 cmd.exe 35 PID 1532 wrote to memory of 812 1532 cmd.exe 35 PID 1532 wrote to memory of 812 1532 cmd.exe 35 PID 1532 wrote to memory of 812 1532 cmd.exe 35 PID 1532 wrote to memory of 812 1532 cmd.exe 35 PID 1532 wrote to memory of 812 1532 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:1744 -
C:\Users\Admin\AppData\Local\Temp\is-4C31G.tmp\is-17EJ7.tmp"C:\Users\Admin\AppData\Local\Temp\is-4C31G.tmp\is-17EJ7.tmp" /SL4 $70122 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1778809 967682⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Program Files (x86)\Split Files\SplitFiles124.exe"C:\Program Files (x86)\Split Files\SplitFiles124.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\zhD0UiLkIp.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1276
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "SplitFiles124.exe" /f & erase "C:\Program Files (x86)\Split Files\SplitFiles124.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "SplitFiles124.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:812
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.3MB
MD5131a98dec8503f2cf89f6a84281e7055
SHA10c84432021bd8eb3152158d8dfef5d48be2ebafc
SHA2567147fe48be21df1d030962afbd1e04e80ecc08f6c4977b8d2ac6146cf18055a5
SHA5121242275add0fe5d334f3dcb0c31b4c97cb9a43879bb5fa309d07c823ba41de5af50640cc5f6c92d09d3f880534bfb19994a8d31d881d805e9f4da0a562989be8
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Filesize
3.3MB
MD5131a98dec8503f2cf89f6a84281e7055
SHA10c84432021bd8eb3152158d8dfef5d48be2ebafc
SHA2567147fe48be21df1d030962afbd1e04e80ecc08f6c4977b8d2ac6146cf18055a5
SHA5121242275add0fe5d334f3dcb0c31b4c97cb9a43879bb5fa309d07c823ba41de5af50640cc5f6c92d09d3f880534bfb19994a8d31d881d805e9f4da0a562989be8
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Filesize
688KB
MD5807603f3a565337ee2ac3e819b25ee58
SHA15cc4e6c82fbdda6697a1117561f23731d51baacd
SHA256682dd0a4ea6b0d763a1adb14def8657518a4879e454c7ece43505910dd448423
SHA512252831b5fe5869c0abd25f246fe161e5b8218e9c54231fa9c5c78d5ffe6ff0c8e3d1f9ea3316f74b47ce372f1f8f06edd8e147711633f4028acd0cf7d5cd946d
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Filesize
688KB
MD5807603f3a565337ee2ac3e819b25ee58
SHA15cc4e6c82fbdda6697a1117561f23731d51baacd
SHA256682dd0a4ea6b0d763a1adb14def8657518a4879e454c7ece43505910dd448423
SHA512252831b5fe5869c0abd25f246fe161e5b8218e9c54231fa9c5c78d5ffe6ff0c8e3d1f9ea3316f74b47ce372f1f8f06edd8e147711633f4028acd0cf7d5cd946d
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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
3.3MB
MD5131a98dec8503f2cf89f6a84281e7055
SHA10c84432021bd8eb3152158d8dfef5d48be2ebafc
SHA2567147fe48be21df1d030962afbd1e04e80ecc08f6c4977b8d2ac6146cf18055a5
SHA5121242275add0fe5d334f3dcb0c31b4c97cb9a43879bb5fa309d07c823ba41de5af50640cc5f6c92d09d3f880534bfb19994a8d31d881d805e9f4da0a562989be8
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Filesize
3.3MB
MD5131a98dec8503f2cf89f6a84281e7055
SHA10c84432021bd8eb3152158d8dfef5d48be2ebafc
SHA2567147fe48be21df1d030962afbd1e04e80ecc08f6c4977b8d2ac6146cf18055a5
SHA5121242275add0fe5d334f3dcb0c31b4c97cb9a43879bb5fa309d07c823ba41de5af50640cc5f6c92d09d3f880534bfb19994a8d31d881d805e9f4da0a562989be8
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Filesize
3.3MB
MD5131a98dec8503f2cf89f6a84281e7055
SHA10c84432021bd8eb3152158d8dfef5d48be2ebafc
SHA2567147fe48be21df1d030962afbd1e04e80ecc08f6c4977b8d2ac6146cf18055a5
SHA5121242275add0fe5d334f3dcb0c31b4c97cb9a43879bb5fa309d07c823ba41de5af50640cc5f6c92d09d3f880534bfb19994a8d31d881d805e9f4da0a562989be8
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Filesize
688KB
MD5807603f3a565337ee2ac3e819b25ee58
SHA15cc4e6c82fbdda6697a1117561f23731d51baacd
SHA256682dd0a4ea6b0d763a1adb14def8657518a4879e454c7ece43505910dd448423
SHA512252831b5fe5869c0abd25f246fe161e5b8218e9c54231fa9c5c78d5ffe6ff0c8e3d1f9ea3316f74b47ce372f1f8f06edd8e147711633f4028acd0cf7d5cd946d
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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