Analysis
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max time kernel
150s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23/11/2022, 16:32
Behavioral task
behavioral1
Sample
7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343.exe
Resource
win10v2004-20221111-en
General
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Target
7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343.exe
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Size
33KB
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MD5
b70997ea41e9fb816d988b684ced6a7d
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SHA1
7e0d1615dcf3de8a924d1ef13e1e4f300356f41d
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SHA256
7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343
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SHA512
1e20e00b03ec892118d6f3e2ab66763d3f83dd4570912ae1ed47093a5e3b163a9203f266ce812c84848438d39ac6a68d0788766eae1a9c5904c10c0bfce44808
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SSDEEP
768:JMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66lgtzQD75z4v:CNW71rcYDAWeotvXlGUD
Malware Config
Extracted
xtremerat
iraq00964.no-ip.biz
Signatures
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Detect XtremeRAT payload 3 IoCs
resource yara_rule behavioral2/memory/4560-133-0x0000000000000000-mapping.dmp family_xtremerat behavioral2/memory/4560-134-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/4660-135-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat -
XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
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resource yara_rule behavioral2/memory/4660-132-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/4560-134-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/4660-135-0x0000000010000000-0x000000001004D000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 2 IoCs
pid pid_target Process procid_target 4116 4560 WerFault.exe 82 4472 4560 WerFault.exe 82 -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4660 wrote to memory of 4560 4660 7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343.exe 82 PID 4660 wrote to memory of 4560 4660 7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343.exe 82 PID 4660 wrote to memory of 4560 4660 7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343.exe 82 PID 4660 wrote to memory of 4560 4660 7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343.exe 82 PID 4660 wrote to memory of 2240 4660 7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343.exe 83 PID 4660 wrote to memory of 2240 4660 7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343.exe 83 PID 4660 wrote to memory of 2240 4660 7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343.exe"C:\Users\Admin\AppData\Local\Temp\7a0f359bedb66792219232f925f325680e85b8a0c95cc790b39c91621945f343.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵PID:4560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 4803⤵
- Program crash
PID:4116
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 4883⤵
- Program crash
PID:4472
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"2⤵PID:2240
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4560 -ip 45601⤵PID:3120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4560 -ip 45601⤵PID:1196