Analysis
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max time kernel
149s -
max time network
160s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04/12/2022, 06:18
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
3.4MB
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MD5
4f9d28076523bae441a0df53c41a1be2
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SHA1
29b9aa07e9e49e63436c666a4a1bc512d978c9ec
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SHA256
16abcb87b5b04dbbdf3d3b4b26c2372fed244e618871e38972d2b71670e96477
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SHA512
4d3086b2a35aa09c20d607c440bf0302865788f89f24d8a209362eab5f896222de1a5fad42027407be84569e7ada8e659ad42dc3f7c230bfc9615fd54bf88629
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SSDEEP
98304:sQniT46n8wxsKe/v4AnqD1WjmfnFfmITCWfLXcyr:9iTZ8nKeH4AnYcjanMIeWfLXcyr
Malware Config
Extracted
nymaim
45.139.105.171
85.31.46.167
Signatures
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Executes dropped EXE 3 IoCs
pid Process 940 is-6IJUU.tmp 1728 PrintFolders.exe 1892 FKPARstPyGG.exe -
Loads dropped DLL 10 IoCs
pid Process 1104 file.exe 940 is-6IJUU.tmp 940 is-6IJUU.tmp 940 is-6IJUU.tmp 940 is-6IJUU.tmp 1728 PrintFolders.exe 1728 PrintFolders.exe 1728 PrintFolders.exe 1892 FKPARstPyGG.exe 1892 FKPARstPyGG.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 opened for modification C:\Program Files (x86)\PrintFolders\PrintFolders.exe is-6IJUU.tmp File created C:\Program Files (x86)\PrintFolders\is-S26Q4.tmp is-6IJUU.tmp File created C:\Program Files (x86)\PrintFolders\is-S3PSU.tmp is-6IJUU.tmp File created C:\Program Files (x86)\PrintFolders\is-S2HB3.tmp is-6IJUU.tmp File created C:\Program Files (x86)\PrintFolders\is-5816B.tmp is-6IJUU.tmp File opened for modification C:\Program Files (x86)\PrintFolders\unins000.dat is-6IJUU.tmp File created C:\Program Files (x86)\PrintFolders\unins000.dat is-6IJUU.tmp File created C:\Program Files (x86)\PrintFolders\is-BESM4.tmp is-6IJUU.tmp File created C:\Program Files (x86)\PrintFolders\is-LTB49.tmp is-6IJUU.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 1976 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1728 PrintFolders.exe 1728 PrintFolders.exe 1728 PrintFolders.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 940 is-6IJUU.tmp Token: SeBackupPrivilege 940 is-6IJUU.tmp Token: SeDebugPrivilege 1976 taskkill.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1104 wrote to memory of 940 1104 file.exe 27 PID 1104 wrote to memory of 940 1104 file.exe 27 PID 1104 wrote to memory of 940 1104 file.exe 27 PID 1104 wrote to memory of 940 1104 file.exe 27 PID 1104 wrote to memory of 940 1104 file.exe 27 PID 1104 wrote to memory of 940 1104 file.exe 27 PID 1104 wrote to memory of 940 1104 file.exe 27 PID 940 wrote to memory of 1728 940 is-6IJUU.tmp 28 PID 940 wrote to memory of 1728 940 is-6IJUU.tmp 28 PID 940 wrote to memory of 1728 940 is-6IJUU.tmp 28 PID 940 wrote to memory of 1728 940 is-6IJUU.tmp 28 PID 940 wrote to memory of 1728 940 is-6IJUU.tmp 28 PID 940 wrote to memory of 1728 940 is-6IJUU.tmp 28 PID 940 wrote to memory of 1728 940 is-6IJUU.tmp 28 PID 1728 wrote to memory of 1892 1728 PrintFolders.exe 29 PID 1728 wrote to memory of 1892 1728 PrintFolders.exe 29 PID 1728 wrote to memory of 1892 1728 PrintFolders.exe 29 PID 1728 wrote to memory of 1892 1728 PrintFolders.exe 29 PID 1728 wrote to memory of 1892 1728 PrintFolders.exe 29 PID 1728 wrote to memory of 1892 1728 PrintFolders.exe 29 PID 1728 wrote to memory of 1892 1728 PrintFolders.exe 29 PID 1728 wrote to memory of 436 1728 PrintFolders.exe 32 PID 1728 wrote to memory of 436 1728 PrintFolders.exe 32 PID 1728 wrote to memory of 436 1728 PrintFolders.exe 32 PID 1728 wrote to memory of 436 1728 PrintFolders.exe 32 PID 1728 wrote to memory of 436 1728 PrintFolders.exe 32 PID 1728 wrote to memory of 436 1728 PrintFolders.exe 32 PID 1728 wrote to memory of 436 1728 PrintFolders.exe 32 PID 436 wrote to memory of 1976 436 cmd.exe 34 PID 436 wrote to memory of 1976 436 cmd.exe 34 PID 436 wrote to memory of 1976 436 cmd.exe 34 PID 436 wrote to memory of 1976 436 cmd.exe 34 PID 436 wrote to memory of 1976 436 cmd.exe 34 PID 436 wrote to memory of 1976 436 cmd.exe 34 PID 436 wrote to memory of 1976 436 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:1104 -
C:\Users\Admin\AppData\Local\Temp\is-M842R.tmp\is-6IJUU.tmp"C:\Users\Admin\AppData\Local\Temp\is-M842R.tmp\is-6IJUU.tmp" /SL4 $60124 "C:\Users\Admin\AppData\Local\Temp\file.exe" 3324874 517122⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:940 -
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:1728 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\FKPARstPyGG.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1892
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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:436 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "PrintFolders.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1976
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
5.8MB
MD532c99c82eac89d46fb0228419b1055ca
SHA1cb26d2383dcfb9cc396605684e5fda77751226e9
SHA256d3552df9ec71a9f00e59b961dcd2570ff5f3d315119abd0b23cbf9b857caa139
SHA5128455306efcecea72d80906a7b4390b95acb6e582e0ba7c04e6338817f84744e2dd66fd26c25a42c8f0f0e9430b65b431f71928eca8aa91c1c7882ec7ca9d961e
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Filesize
5.8MB
MD532c99c82eac89d46fb0228419b1055ca
SHA1cb26d2383dcfb9cc396605684e5fda77751226e9
SHA256d3552df9ec71a9f00e59b961dcd2570ff5f3d315119abd0b23cbf9b857caa139
SHA5128455306efcecea72d80906a7b4390b95acb6e582e0ba7c04e6338817f84744e2dd66fd26c25a42c8f0f0e9430b65b431f71928eca8aa91c1c7882ec7ca9d961e
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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
5.8MB
MD532c99c82eac89d46fb0228419b1055ca
SHA1cb26d2383dcfb9cc396605684e5fda77751226e9
SHA256d3552df9ec71a9f00e59b961dcd2570ff5f3d315119abd0b23cbf9b857caa139
SHA5128455306efcecea72d80906a7b4390b95acb6e582e0ba7c04e6338817f84744e2dd66fd26c25a42c8f0f0e9430b65b431f71928eca8aa91c1c7882ec7ca9d961e
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Filesize
5.8MB
MD532c99c82eac89d46fb0228419b1055ca
SHA1cb26d2383dcfb9cc396605684e5fda77751226e9
SHA256d3552df9ec71a9f00e59b961dcd2570ff5f3d315119abd0b23cbf9b857caa139
SHA5128455306efcecea72d80906a7b4390b95acb6e582e0ba7c04e6338817f84744e2dd66fd26c25a42c8f0f0e9430b65b431f71928eca8aa91c1c7882ec7ca9d961e
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Filesize
5.8MB
MD532c99c82eac89d46fb0228419b1055ca
SHA1cb26d2383dcfb9cc396605684e5fda77751226e9
SHA256d3552df9ec71a9f00e59b961dcd2570ff5f3d315119abd0b23cbf9b857caa139
SHA5128455306efcecea72d80906a7b4390b95acb6e582e0ba7c04e6338817f84744e2dd66fd26c25a42c8f0f0e9430b65b431f71928eca8aa91c1c7882ec7ca9d961e
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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
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
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c