Analysis
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max time kernel
20s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
31-05-2024 20:51
Static task
static1
Behavioral task
behavioral1
Sample
3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe
Resource
win10v2004-20240426-en
General
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Target
3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe
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Size
4.6MB
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MD5
30490e035f3a982ebb25e4144ce2c3bd
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SHA1
62f1e5634472def5c767546d33176a08b3ef66aa
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SHA256
3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933
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SHA512
07b808401cc68cabe603a77b5536c04d73a4d8df72ad508f245cde5285c4e07e59886316b164d9af436b61f9ded93a337fd828539ebd069e10f2fb577f5caa01
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SSDEEP
49152:NF1HgnAj9hg5nfVMsCEvLBGi90Qq19YnETzehkiYgpgGo/vinpqWsMYhLRCfs68i:NF1unfVLH2CToUp8/06O
Malware Config
Signatures
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UPX dump on OEP (original entry point) 10 IoCs
resource yara_rule behavioral1/memory/1956-0-0x0000000000400000-0x000000000042C000-memory.dmp UPX behavioral1/files/0x000c000000013144-5.dat UPX behavioral1/memory/2508-20-0x0000000000400000-0x000000000042C000-memory.dmp UPX behavioral1/memory/1956-17-0x0000000000400000-0x000000000042C000-memory.dmp UPX behavioral1/memory/1924-16-0x0000000000400000-0x000000000042C000-memory.dmp UPX behavioral1/memory/1956-14-0x00000000002F0000-0x000000000031C000-memory.dmp UPX behavioral1/memory/2508-30-0x0000000000400000-0x000000000042C000-memory.dmp UPX behavioral1/memory/2120-28-0x0000000000400000-0x000000000042C000-memory.dmp UPX behavioral1/memory/2508-26-0x0000000000430000-0x000000000045C000-memory.dmp UPX behavioral1/memory/1924-31-0x0000000000400000-0x000000000042C000-memory.dmp UPX -
Executes dropped EXE 4 IoCs
pid Process 1924 MSWDM.EXE 2508 MSWDM.EXE 2640 3C72993023243F6F6465905A1EB0DEA88E5FBD86101861C319DB6CABEF3D5933.EXE 2120 MSWDM.EXE -
Loads dropped DLL 2 IoCs
pid Process 2508 MSWDM.EXE 2756 Process not Found -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE" MSWDM.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE" MSWDM.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE" 3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE" 3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\WINDOWS\MSWDM.EXE 3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe File opened for modification C:\Windows\dev13CF.tmp 3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2508 MSWDM.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1956 wrote to memory of 1924 1956 3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe 28 PID 1956 wrote to memory of 1924 1956 3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe 28 PID 1956 wrote to memory of 1924 1956 3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe 28 PID 1956 wrote to memory of 1924 1956 3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe 28 PID 1956 wrote to memory of 2508 1956 3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe 29 PID 1956 wrote to memory of 2508 1956 3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe 29 PID 1956 wrote to memory of 2508 1956 3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe 29 PID 1956 wrote to memory of 2508 1956 3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe 29 PID 2508 wrote to memory of 2640 2508 MSWDM.EXE 30 PID 2508 wrote to memory of 2640 2508 MSWDM.EXE 30 PID 2508 wrote to memory of 2640 2508 MSWDM.EXE 30 PID 2508 wrote to memory of 2640 2508 MSWDM.EXE 30 PID 2508 wrote to memory of 2120 2508 MSWDM.EXE 32 PID 2508 wrote to memory of 2120 2508 MSWDM.EXE 32 PID 2508 wrote to memory of 2120 2508 MSWDM.EXE 32 PID 2508 wrote to memory of 2120 2508 MSWDM.EXE 32
Processes
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C:\Users\Admin\AppData\Local\Temp\3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe"C:\Users\Admin\AppData\Local\Temp\3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\WINDOWS\MSWDM.EXE"C:\WINDOWS\MSWDM.EXE"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:1924
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C:\WINDOWS\MSWDM.EXE-r!C:\Windows\dev13CF.tmp!C:\Users\Admin\AppData\Local\Temp\3c72993023243f6f6465905a1eb0dea88e5fbd86101861c319db6cabef3d5933.exe! !2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Users\Admin\AppData\Local\Temp\3C72993023243F6F6465905A1EB0DEA88E5FBD86101861C319DB6CABEF3D5933.EXE
- Executes dropped EXE
PID:2640
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C:\WINDOWS\MSWDM.EXE-e!C:\Windows\dev13CF.tmp!C:\Users\Admin\AppData\Local\Temp\3C72993023243F6F6465905A1EB0DEA88E5FBD86101861C319DB6CABEF3D5933.EXE!3⤵
- Executes dropped EXE
PID:2120
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.2MB
MD5e6cdb6996249e10a30534d296ae08736
SHA1f494a1206ce3d72daf9ad34ccc45ccc336cb0a33
SHA25698b9af851f84d3609ef2f38840bebb34b90d253a5b9059eae975cda569b2c644
SHA512b404abbc58c445237270822f50a666a4aeb66fc9e4896329a3398c72c82b0ca3e355b73b401e18f6c60f07f54e1e522a085471a56b1101a56cdcfef5bbc6922a
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Filesize
458KB
MD5619f7135621b50fd1900ff24aade1524
SHA16c7ea8bbd435163ae3945cbef30ef6b9872a4591
SHA256344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2
SHA5122c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628