Analysis
- max time kernel
136s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system - submitted
04/07/2024, 00:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe
Resource
win7-20240221-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe
Resource
win10v2004-20240611-en
8 signatures
150 seconds
General
- Target 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe
- Size 73KB
- Sample240704-abnt3avdqe
- SHA256 ea543e1974958526555a37d1bb6b94c95620196c2ff72137eb5486c313c8cc3f
- MD5 23f02920a6e04d1a93bf7b0fe5846ce0
- SHA1 435fcdfacf46e4ceb1e89f0c12f62ad2de14e400
- SHA512 4952ccba797d09890b92d489f11be425b86dd297653860befcc7b5142b1d64ef4c182de36eab27cc99fb6df78c1695286f937c627cdc65f49001962dd24690af
- SSDEEP 1536:HGFJkVFLP7BZ4OImlQJjQjweI8uY37BZohugPOsdsSyxS:msrP34OIqJq1457usxS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
xtremerat
C2
-
xsstrema.no-ip.org
Signatures
- Detect XtremeRAT payload 5 IoCs
resource yara_rule behavioral2/memory/1872-5-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/1872-6-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/2332-7-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/1872-8-0x0000000010000000-0x000000001004D000-memory.dmp family_xtremerat behavioral2/memory/2332-9-0x0000000010000000-0x000000001004D000-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/1872-2-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1872-4-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1872-5-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1872-6-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/2332-7-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/1872-8-0x0000000010000000-0x000000001004D000-memory.dmp upx behavioral2/memory/2332-9-0x0000000010000000-0x000000001004D000-memory.dmp upx - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4384 set thread context of 1872 4384 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 84 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
pid pid_target Process procid_target 2224 2332 WerFault.exe 85 1104 2332 WerFault.exe 85 - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4384 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4384 wrote to memory of 1872 4384 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 84 PID 4384 wrote to memory of 1872 4384 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 84 PID 4384 wrote to memory of 1872 4384 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 84 PID 4384 wrote to memory of 1872 4384 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 84 PID 4384 wrote to memory of 1872 4384 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 84 PID 4384 wrote to memory of 1872 4384 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 84 PID 4384 wrote to memory of 1872 4384 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 84 PID 4384 wrote to memory of 1872 4384 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 84 PID 1872 wrote to memory of 2332 1872 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 85 PID 1872 wrote to memory of 2332 1872 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 85 PID 1872 wrote to memory of 2332 1872 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 85 PID 1872 wrote to memory of 2332 1872 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 85 PID 1872 wrote to memory of 1344 1872 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 86 PID 1872 wrote to memory of 1344 1872 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 86 PID 1872 wrote to memory of 1344 1872 23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4384 -
C:\Users\Admin\AppData\Local\Temp\23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\23f02920a6e04d1a93bf7b0fe5846ce0_JaffaCakes118.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵PID:2332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 4844⤵
- Program crash
PID:2224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 5084⤵
- Program crash
PID:1104
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"3⤵PID:1344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2332 -ip 23321⤵PID:964
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2332 -ip 23321⤵PID:2532