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Analysis
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max time kernel
59s -
max time network
60s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
03/05/2023, 19:50
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
General
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Target
file.exe
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Size
1.8MB
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MD5
7d64ba2ffbb9df61620ddd934eb8d8c5
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SHA1
a158e73747d2f6acdf17dc18494a94b3b1899cb8
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SHA256
8ffab91769a6ff3e57f1c5b26f580e0fe41e6dfe5cf05154dbcb77f181508d49
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SHA512
40615c54109e0b01a15ceb7cca5c68a3857f71d6a95f187dbeafa2ac07f599a18a84c2e11ec9234b10dd64be532d0b11437c36e2bb14f7b82613c3999aaed783
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SSDEEP
49152:A6aKm9kAk4SellJ6XMhFWAetCViT9nldW7s9AG5cq:ABKm9kAkK4XMLoCorg7s9Xcq
Malware Config
Extracted
gcleaner
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Signatures
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Executes dropped EXE 3 IoCs
pid Process 1956 is-L3OOQ.tmp 472 Rec53.exe 328 Od06TzfoGw.exe -
Loads dropped DLL 10 IoCs
pid Process 1388 file.exe 1956 is-L3OOQ.tmp 1956 is-L3OOQ.tmp 1956 is-L3OOQ.tmp 1956 is-L3OOQ.tmp 472 Rec53.exe 472 Rec53.exe 472 Rec53.exe 328 Od06TzfoGw.exe 328 Od06TzfoGw.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)\FKSCover\Rec53\unins000.dat is-L3OOQ.tmp File created C:\Program Files (x86)\FKSCover\Rec53\is-DSHT3.tmp is-L3OOQ.tmp File created C:\Program Files (x86)\FKSCover\Rec53\is-AEGQJ.tmp is-L3OOQ.tmp File created C:\Program Files (x86)\FKSCover\Rec53\is-2OKRC.tmp is-L3OOQ.tmp File created C:\Program Files (x86)\FKSCover\Rec53\is-PSJBC.tmp is-L3OOQ.tmp File created C:\Program Files (x86)\FKSCover\Rec53\data\is-704L3.tmp is-L3OOQ.tmp File opened for modification C:\Program Files (x86)\FKSCover\Rec53\Rec53.exe is-L3OOQ.tmp File created C:\Program Files (x86)\FKSCover\Rec53\is-MI01G.tmp is-L3OOQ.tmp File opened for modification C:\Program Files (x86)\FKSCover\Rec53\unins000.dat is-L3OOQ.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 1 IoCs
pid Process 1296 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 472 Rec53.exe 472 Rec53.exe 472 Rec53.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1296 taskkill.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1388 wrote to memory of 1956 1388 file.exe 28 PID 1388 wrote to memory of 1956 1388 file.exe 28 PID 1388 wrote to memory of 1956 1388 file.exe 28 PID 1388 wrote to memory of 1956 1388 file.exe 28 PID 1388 wrote to memory of 1956 1388 file.exe 28 PID 1388 wrote to memory of 1956 1388 file.exe 28 PID 1388 wrote to memory of 1956 1388 file.exe 28 PID 1956 wrote to memory of 472 1956 is-L3OOQ.tmp 29 PID 1956 wrote to memory of 472 1956 is-L3OOQ.tmp 29 PID 1956 wrote to memory of 472 1956 is-L3OOQ.tmp 29 PID 1956 wrote to memory of 472 1956 is-L3OOQ.tmp 29 PID 1956 wrote to memory of 472 1956 is-L3OOQ.tmp 29 PID 1956 wrote to memory of 472 1956 is-L3OOQ.tmp 29 PID 1956 wrote to memory of 472 1956 is-L3OOQ.tmp 29 PID 472 wrote to memory of 328 472 Rec53.exe 30 PID 472 wrote to memory of 328 472 Rec53.exe 30 PID 472 wrote to memory of 328 472 Rec53.exe 30 PID 472 wrote to memory of 328 472 Rec53.exe 30 PID 472 wrote to memory of 328 472 Rec53.exe 30 PID 472 wrote to memory of 328 472 Rec53.exe 30 PID 472 wrote to memory of 328 472 Rec53.exe 30 PID 472 wrote to memory of 1452 472 Rec53.exe 33 PID 472 wrote to memory of 1452 472 Rec53.exe 33 PID 472 wrote to memory of 1452 472 Rec53.exe 33 PID 472 wrote to memory of 1452 472 Rec53.exe 33 PID 472 wrote to memory of 1452 472 Rec53.exe 33 PID 472 wrote to memory of 1452 472 Rec53.exe 33 PID 472 wrote to memory of 1452 472 Rec53.exe 33 PID 1452 wrote to memory of 1296 1452 cmd.exe 35 PID 1452 wrote to memory of 1296 1452 cmd.exe 35 PID 1452 wrote to memory of 1296 1452 cmd.exe 35 PID 1452 wrote to memory of 1296 1452 cmd.exe 35 PID 1452 wrote to memory of 1296 1452 cmd.exe 35 PID 1452 wrote to memory of 1296 1452 cmd.exe 35 PID 1452 wrote to memory of 1296 1452 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:1388 -
C:\Users\Admin\AppData\Local\Temp\is-ADRVE.tmp\is-L3OOQ.tmp"C:\Users\Admin\AppData\Local\Temp\is-ADRVE.tmp\is-L3OOQ.tmp" /SL4 $70126 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1620308 517122⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Program Files (x86)\FKSCover\Rec53\Rec53.exe"C:\Program Files (x86)\FKSCover\Rec53\Rec53.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:472 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\Od06TzfoGw.exe
- Executes dropped EXE
- Loads dropped DLL
PID:328
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "Rec53.exe" /f & erase "C:\Program Files (x86)\FKSCover\Rec53\Rec53.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1452 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "Rec53.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1296
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.5MB
MD5fb06fbeb65f17b8bc2c13bba1c4602e5
SHA1b67527c8b3b2d5c5464cda291a243bae0c4cce4d
SHA256eb306ae160c867c239033db063060da96c1e8630f91a55dc26ae65b831334349
SHA512b035bc33085584d6dd2cce46f2ee469561bceaa93e3ad8513fa03a3553b8ec22e166f0c9fa65aafd9819f7709f1662cf8c8df594e8daf9a9704511f7a3586cf8
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Filesize
1.5MB
MD5fb06fbeb65f17b8bc2c13bba1c4602e5
SHA1b67527c8b3b2d5c5464cda291a243bae0c4cce4d
SHA256eb306ae160c867c239033db063060da96c1e8630f91a55dc26ae65b831334349
SHA512b035bc33085584d6dd2cce46f2ee469561bceaa93e3ad8513fa03a3553b8ec22e166f0c9fa65aafd9819f7709f1662cf8c8df594e8daf9a9704511f7a3586cf8
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ACT9UUKV\dll[2].htm
Filesize1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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Filesize
643KB
MD572d3c1e3acb10e576f02c9b635ee58d8
SHA100345a3076ade8192bf3298e16d5fdf754daf793
SHA2564ccf3c1393e21c1fb0e525da285d125e9773bb1d554d830b3219f894e3b59fd7
SHA51230a5c390dbee02ae57e520c118a53e7cfb89bda244c01b519e5fa4ca8b5b2d88c92b99141a720bfc24acc946170e087b2e8ad01f76c83931b1d039dce1f3133a
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Filesize
643KB
MD572d3c1e3acb10e576f02c9b635ee58d8
SHA100345a3076ade8192bf3298e16d5fdf754daf793
SHA2564ccf3c1393e21c1fb0e525da285d125e9773bb1d554d830b3219f894e3b59fd7
SHA51230a5c390dbee02ae57e520c118a53e7cfb89bda244c01b519e5fa4ca8b5b2d88c92b99141a720bfc24acc946170e087b2e8ad01f76c83931b1d039dce1f3133a
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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
1.5MB
MD5fb06fbeb65f17b8bc2c13bba1c4602e5
SHA1b67527c8b3b2d5c5464cda291a243bae0c4cce4d
SHA256eb306ae160c867c239033db063060da96c1e8630f91a55dc26ae65b831334349
SHA512b035bc33085584d6dd2cce46f2ee469561bceaa93e3ad8513fa03a3553b8ec22e166f0c9fa65aafd9819f7709f1662cf8c8df594e8daf9a9704511f7a3586cf8
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Filesize
1.5MB
MD5fb06fbeb65f17b8bc2c13bba1c4602e5
SHA1b67527c8b3b2d5c5464cda291a243bae0c4cce4d
SHA256eb306ae160c867c239033db063060da96c1e8630f91a55dc26ae65b831334349
SHA512b035bc33085584d6dd2cce46f2ee469561bceaa93e3ad8513fa03a3553b8ec22e166f0c9fa65aafd9819f7709f1662cf8c8df594e8daf9a9704511f7a3586cf8
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Filesize
1.5MB
MD5fb06fbeb65f17b8bc2c13bba1c4602e5
SHA1b67527c8b3b2d5c5464cda291a243bae0c4cce4d
SHA256eb306ae160c867c239033db063060da96c1e8630f91a55dc26ae65b831334349
SHA512b035bc33085584d6dd2cce46f2ee469561bceaa93e3ad8513fa03a3553b8ec22e166f0c9fa65aafd9819f7709f1662cf8c8df594e8daf9a9704511f7a3586cf8
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Filesize
643KB
MD572d3c1e3acb10e576f02c9b635ee58d8
SHA100345a3076ade8192bf3298e16d5fdf754daf793
SHA2564ccf3c1393e21c1fb0e525da285d125e9773bb1d554d830b3219f894e3b59fd7
SHA51230a5c390dbee02ae57e520c118a53e7cfb89bda244c01b519e5fa4ca8b5b2d88c92b99141a720bfc24acc946170e087b2e8ad01f76c83931b1d039dce1f3133a
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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