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Analysis
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max time kernel
31s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
08/03/2023, 12:48
Static task
static1
Behavioral task
behavioral1
Sample
4fbb67c0ef74f07ac1b31dba5d136938735bbd00544d27b4931a4a79e12f1f5f.exe
Resource
win7-20230220-en
General
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Target
4fbb67c0ef74f07ac1b31dba5d136938735bbd00544d27b4931a4a79e12f1f5f.exe
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Size
385KB
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MD5
34f8808d1a51641fac355ba5c92f7114
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SHA1
eb6774b48254e0b37f357dffb5ea620bc8cca5f3
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SHA256
4fbb67c0ef74f07ac1b31dba5d136938735bbd00544d27b4931a4a79e12f1f5f
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SHA512
dfff6523cf9393c3a9e41925c6a8905ea4be3155a46334193ed839b783288ed7ccb9fe946411d2c1e896eb839d8cb3e76ed1cadb1987f616fdede1940d2146a5
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SSDEEP
3072:t5uIKIRGXJuLGNafEnyKWus/1T6J2d+kVojCI40+/xJP92VBY3TQGcuD4EBWrFVU:YI6uLGcE70dpd+kVx1x/2VWxcu8sWR
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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Deletes itself 1 IoCs
pid Process 1560 cmd.exe -
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 920 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 920 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1408 wrote to memory of 1560 1408 4fbb67c0ef74f07ac1b31dba5d136938735bbd00544d27b4931a4a79e12f1f5f.exe 28 PID 1408 wrote to memory of 1560 1408 4fbb67c0ef74f07ac1b31dba5d136938735bbd00544d27b4931a4a79e12f1f5f.exe 28 PID 1408 wrote to memory of 1560 1408 4fbb67c0ef74f07ac1b31dba5d136938735bbd00544d27b4931a4a79e12f1f5f.exe 28 PID 1408 wrote to memory of 1560 1408 4fbb67c0ef74f07ac1b31dba5d136938735bbd00544d27b4931a4a79e12f1f5f.exe 28 PID 1560 wrote to memory of 920 1560 cmd.exe 30 PID 1560 wrote to memory of 920 1560 cmd.exe 30 PID 1560 wrote to memory of 920 1560 cmd.exe 30 PID 1560 wrote to memory of 920 1560 cmd.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\4fbb67c0ef74f07ac1b31dba5d136938735bbd00544d27b4931a4a79e12f1f5f.exe"C:\Users\Admin\AppData\Local\Temp\4fbb67c0ef74f07ac1b31dba5d136938735bbd00544d27b4931a4a79e12f1f5f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1408 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "4fbb67c0ef74f07ac1b31dba5d136938735bbd00544d27b4931a4a79e12f1f5f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4fbb67c0ef74f07ac1b31dba5d136938735bbd00544d27b4931a4a79e12f1f5f.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "4fbb67c0ef74f07ac1b31dba5d136938735bbd00544d27b4931a4a79e12f1f5f.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:920
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