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Analysis
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max time kernel
55s -
max time network
58s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
06/01/2023, 21:32
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
1.8MB
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MD5
d9be361b1f8bb4936005a74914fbe6f5
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SHA1
f537cd6a48c521499193c8278e1f84fc3f8ac9f7
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SHA256
e028ab3888d547deb1fc53fabd694a15d735f28bf68ac36b23d67ae9d2bb25d6
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SHA512
124ea8ab60b5d34de7694ff67483f78f3161fa9efd62cda6a07832c84a39498567a23884a65f4f321ac29d0f28957db55b1c50c300ee44c67de2009cede21de6
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SSDEEP
49152:Aixz0zjpivo4sD1FcflzKv1sBUpwci8Ptk4VRAlNpi:AixSiQFDbccdsBeVtao
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 2040 is-1I95I.tmp 1280 PlitFiles132.exe 760 qW5ozCtrB.exe -
Loads dropped DLL 10 IoCs
pid Process 940 file.exe 2040 is-1I95I.tmp 2040 is-1I95I.tmp 2040 is-1I95I.tmp 2040 is-1I95I.tmp 1280 PlitFiles132.exe 1280 PlitFiles132.exe 1280 PlitFiles132.exe 760 qW5ozCtrB.exe 760 qW5ozCtrB.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-0JRND.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\language\is-SLH9N.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\language\is-0EVF8.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\is-S8T2G.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\language\is-TB8PD.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\is-2V621.tmp is-1I95I.tmp File opened for modification C:\Program Files (x86)\Split Files\unins000.dat is-1I95I.tmp File opened for modification C:\Program Files (x86)\Split Files\PlitFiles132.exe is-1I95I.tmp File created C:\Program Files (x86)\Split Files\language\is-U1HOP.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\language\is-09PMG.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\language\is-04PK7.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\is-RJGNF.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\language\is-9J2K8.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\language\is-CI6E4.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\language\is-R2SVC.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\is-SDQQ1.tmp is-1I95I.tmp File created C:\Program Files (x86)\Split Files\unins000.dat is-1I95I.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 1780 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1280 PlitFiles132.exe 1280 PlitFiles132.exe 1280 PlitFiles132.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1780 taskkill.exe Token: SeRestorePrivilege 2040 is-1I95I.tmp Token: SeBackupPrivilege 2040 is-1I95I.tmp -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 940 wrote to memory of 2040 940 file.exe 28 PID 940 wrote to memory of 2040 940 file.exe 28 PID 940 wrote to memory of 2040 940 file.exe 28 PID 940 wrote to memory of 2040 940 file.exe 28 PID 940 wrote to memory of 2040 940 file.exe 28 PID 940 wrote to memory of 2040 940 file.exe 28 PID 940 wrote to memory of 2040 940 file.exe 28 PID 2040 wrote to memory of 1280 2040 is-1I95I.tmp 29 PID 2040 wrote to memory of 1280 2040 is-1I95I.tmp 29 PID 2040 wrote to memory of 1280 2040 is-1I95I.tmp 29 PID 2040 wrote to memory of 1280 2040 is-1I95I.tmp 29 PID 2040 wrote to memory of 1280 2040 is-1I95I.tmp 29 PID 2040 wrote to memory of 1280 2040 is-1I95I.tmp 29 PID 2040 wrote to memory of 1280 2040 is-1I95I.tmp 29 PID 1280 wrote to memory of 760 1280 PlitFiles132.exe 30 PID 1280 wrote to memory of 760 1280 PlitFiles132.exe 30 PID 1280 wrote to memory of 760 1280 PlitFiles132.exe 30 PID 1280 wrote to memory of 760 1280 PlitFiles132.exe 30 PID 1280 wrote to memory of 760 1280 PlitFiles132.exe 30 PID 1280 wrote to memory of 760 1280 PlitFiles132.exe 30 PID 1280 wrote to memory of 760 1280 PlitFiles132.exe 30 PID 1280 wrote to memory of 1472 1280 PlitFiles132.exe 33 PID 1280 wrote to memory of 1472 1280 PlitFiles132.exe 33 PID 1280 wrote to memory of 1472 1280 PlitFiles132.exe 33 PID 1280 wrote to memory of 1472 1280 PlitFiles132.exe 33 PID 1280 wrote to memory of 1472 1280 PlitFiles132.exe 33 PID 1280 wrote to memory of 1472 1280 PlitFiles132.exe 33 PID 1280 wrote to memory of 1472 1280 PlitFiles132.exe 33 PID 1472 wrote to memory of 1780 1472 cmd.exe 35 PID 1472 wrote to memory of 1780 1472 cmd.exe 35 PID 1472 wrote to memory of 1780 1472 cmd.exe 35 PID 1472 wrote to memory of 1780 1472 cmd.exe 35 PID 1472 wrote to memory of 1780 1472 cmd.exe 35 PID 1472 wrote to memory of 1780 1472 cmd.exe 35 PID 1472 wrote to memory of 1780 1472 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:940 -
C:\Users\Admin\AppData\Local\Temp\is-H35FS.tmp\is-1I95I.tmp"C:\Users\Admin\AppData\Local\Temp\is-H35FS.tmp\is-1I95I.tmp" /SL4 $70128 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1609505 967682⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Program Files (x86)\Split Files\PlitFiles132.exe"C:\Program Files (x86)\Split Files\PlitFiles132.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1280 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\qW5ozCtrB.exe
- Executes dropped EXE
- Loads dropped DLL
PID:760
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "PlitFiles132.exe" /f & erase "C:\Program Files (x86)\Split Files\PlitFiles132.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "PlitFiles132.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1780
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.1MB
MD533cfcce0a158901607d20a5a3e8b8f03
SHA11d24ceb8c75c1818a484c60b39e26293c9bf2ff4
SHA25653aaa6ae501fdeea6a00f9a5a15a7f36e9b6b0158cde2c703c11240a4e02b52a
SHA512c33fce3b85fc55db17ce37e1004348a99400fb5811605598f7f25a6fd07c0fdc2905c9c90c5e38c762adeadb0f71dd8ade5b91c5340649b0ec6ee7ff7c543100
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Filesize
3.1MB
MD533cfcce0a158901607d20a5a3e8b8f03
SHA11d24ceb8c75c1818a484c60b39e26293c9bf2ff4
SHA25653aaa6ae501fdeea6a00f9a5a15a7f36e9b6b0158cde2c703c11240a4e02b52a
SHA512c33fce3b85fc55db17ce37e1004348a99400fb5811605598f7f25a6fd07c0fdc2905c9c90c5e38c762adeadb0f71dd8ade5b91c5340649b0ec6ee7ff7c543100
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Filesize
688KB
MD5825e351a0f8f4c0765f2362966ac3122
SHA1b7776ed8bd5cb15d6f6a12805de3394012b3f8c1
SHA256d55e786215fe7ec096087dbf7a3558397768ad50f0182f474d2a3ce6ed772405
SHA512775613f17bdfa13bfb99660f517d7b1fdd31acc268304a184fc86cc339c987e2d020c313a685c22fb406422137ffc4c999b7988951ade37c2990b898b0fb9f43
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Filesize
688KB
MD5825e351a0f8f4c0765f2362966ac3122
SHA1b7776ed8bd5cb15d6f6a12805de3394012b3f8c1
SHA256d55e786215fe7ec096087dbf7a3558397768ad50f0182f474d2a3ce6ed772405
SHA512775613f17bdfa13bfb99660f517d7b1fdd31acc268304a184fc86cc339c987e2d020c313a685c22fb406422137ffc4c999b7988951ade37c2990b898b0fb9f43
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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
3.1MB
MD533cfcce0a158901607d20a5a3e8b8f03
SHA11d24ceb8c75c1818a484c60b39e26293c9bf2ff4
SHA25653aaa6ae501fdeea6a00f9a5a15a7f36e9b6b0158cde2c703c11240a4e02b52a
SHA512c33fce3b85fc55db17ce37e1004348a99400fb5811605598f7f25a6fd07c0fdc2905c9c90c5e38c762adeadb0f71dd8ade5b91c5340649b0ec6ee7ff7c543100
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Filesize
3.1MB
MD533cfcce0a158901607d20a5a3e8b8f03
SHA11d24ceb8c75c1818a484c60b39e26293c9bf2ff4
SHA25653aaa6ae501fdeea6a00f9a5a15a7f36e9b6b0158cde2c703c11240a4e02b52a
SHA512c33fce3b85fc55db17ce37e1004348a99400fb5811605598f7f25a6fd07c0fdc2905c9c90c5e38c762adeadb0f71dd8ade5b91c5340649b0ec6ee7ff7c543100
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Filesize
3.1MB
MD533cfcce0a158901607d20a5a3e8b8f03
SHA11d24ceb8c75c1818a484c60b39e26293c9bf2ff4
SHA25653aaa6ae501fdeea6a00f9a5a15a7f36e9b6b0158cde2c703c11240a4e02b52a
SHA512c33fce3b85fc55db17ce37e1004348a99400fb5811605598f7f25a6fd07c0fdc2905c9c90c5e38c762adeadb0f71dd8ade5b91c5340649b0ec6ee7ff7c543100
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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
688KB
MD5825e351a0f8f4c0765f2362966ac3122
SHA1b7776ed8bd5cb15d6f6a12805de3394012b3f8c1
SHA256d55e786215fe7ec096087dbf7a3558397768ad50f0182f474d2a3ce6ed772405
SHA512775613f17bdfa13bfb99660f517d7b1fdd31acc268304a184fc86cc339c987e2d020c313a685c22fb406422137ffc4c999b7988951ade37c2990b898b0fb9f43
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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