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Analysis
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max time kernel
141s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25/08/2024, 14:47
Behavioral task
behavioral1
Sample
c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe
Resource
win7-20240708-en
General
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Target
c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe
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Size
301KB
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MD5
c0f67c645ea95e55d33d3bab165e1e20
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SHA1
f65df8089e127e5e6e448fcd02c844ff3f3dc3b6
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SHA256
c499b8e4ad898644b8be051e9c8191448c1db785e086b39a96fad64eeec8060f
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SHA512
382be4e07faeb19cceba96446f22258ac8a99b0ead53e29e14619939919da5553f7dfbb944efcd3f7ca7ca2efa7c8db50e0bc12bdc94b1713be112b538c18553
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SSDEEP
768:P8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfGiiEzoUngXP:Xsq+QV4rObAdXWpf/y+IoatMaox
Malware Config
Extracted
xtremerat
coxihack.zapto.org
Signatures
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Detect XtremeRAT payload 4 IoCs
resource yara_rule behavioral2/memory/532-0-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/3696-1-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/532-2-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/3696-3-0x0000000010000000-0x000000001004D000-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/532-0-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/3696-1-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/532-2-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/3696-3-0x0000000010000000-0x000000001004D000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 208 3696 WerFault.exe 84 1360 3696 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 532 wrote to memory of 3696 532 c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe 84 PID 532 wrote to memory of 3696 532 c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe 84 PID 532 wrote to memory of 3696 532 c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe 84 PID 532 wrote to memory of 3696 532 c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe 84 PID 532 wrote to memory of 464 532 c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe 85 PID 532 wrote to memory of 464 532 c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe 85 PID 532 wrote to memory of 464 532 c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c0f67c645ea95e55d33d3bab165e1e20_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:532 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- System Location Discovery: System Language Discovery
PID:3696 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 4803⤵
- Program crash
PID:208
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 4883⤵
- Program crash
PID:1360
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"2⤵PID:464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3696 -ip 36961⤵PID:456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3696 -ip 36961⤵PID:4940