01b33258c704cce24861298cdf04deb2e7b094114f443433e1733c968f6fe378

General

Target

NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe
Size

5.4MB
MD5

0a704841ef7ff2575bc8e136125162e0
SHA1

590979dd1d403ae3b1270a0e7f6d76cc5f838db6
SHA256

01b33258c704cce24861298cdf04deb2e7b094114f443433e1733c968f6fe378
SHA512

59d3612ca3c6e37b3a62ea366e853afa2313899b8d2f804fb154ba8b54d61e2dd1ef32e3adf8699e57696389b6f7cd11d59e8997aad8d23802a8bbdb7903f608
SSDEEP

98304:V8sjkhhRWieWT0ywsagZ9VeXD3L2ESg+5pX0UiJ/jz/5kylU:rj2hRPeWvnzwrLP25pk/JLz/5zm

Score

7^/10

persistence upx

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	WindowsLoader.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	WindowsLoader.exe

Executes dropped EXE 1 IoCs

pid	Process
2672	WindowsLoader.exe

Loads dropped DLL 2 IoCs

pid	Process
2456	NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe
2092	regsvr32.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x002e000000015c88-5.dat	upx
behavioral1/memory/2456-7-0x0000000002DF0000-0x0000000003013000-memory.dmp	upx
behavioral1/files/0x002e000000015c88-9.dat	upx
behavioral1/files/0x002e000000015c88-16.dat	upx
behavioral1/memory/2672-53-0x0000000000400000-0x0000000000623000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Win = "rundll32 shell32,ShellExec_RunDLL regsvr32 -s \"C:\\Users\\Admin\\AppData\\Local\\Temp\\sfx.dll\""	NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key created	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	WindowsLoader.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardProduct	WindowsLoader.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2672	WindowsLoader.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2672	WindowsLoader.exe
Token: SeIncBasePriorityPrivilege	2672	WindowsLoader.exe
Token: 33	2672	WindowsLoader.exe
Token: SeIncBasePriorityPrivilege	2672	WindowsLoader.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2672	WindowsLoader.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 2672	2456	NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe	28
PID 2456 wrote to memory of 2672	2456	NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe	28
PID 2456 wrote to memory of 2672	2456	NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe	28
PID 2456 wrote to memory of 2672	2456	NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe	28
PID 2456 wrote to memory of 2692	2456	NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe	29
PID 2456 wrote to memory of 2692	2456	NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe	29
PID 2456 wrote to memory of 2692	2456	NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe	29
PID 2456 wrote to memory of 2692	2456	NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe	29
PID 2692 wrote to memory of 2092	2692	cmd.exe	31
PID 2692 wrote to memory of 2092	2692	cmd.exe	31
PID 2692 wrote to memory of 2092	2692	cmd.exe	31
PID 2692 wrote to memory of 2092	2692	cmd.exe	31
PID 2692 wrote to memory of 2092	2692	cmd.exe	31
PID 2692 wrote to memory of 2092	2692	cmd.exe	31
PID 2692 wrote to memory of 2092	2692	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.0a704841ef7ff2575bc8e136125162e0_JC.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Users\Admin\AppData\Local\Temp\WindowsLoader.exe
  C:\Users\Admin\AppData\Local\Temp\WindowsLoader.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2672
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c start regsvr32 -s "C:\Users\Admin\AppData\Local\Temp\sfx.dll"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32 -s "C:\Users\Admin\AppData\Local\Temp\sfx.dll"
    3⤵
    - Loads dropped DLL
    PID:2092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\WindowsLoader.exe

Filesize
3.8MB

MD5
323c0fd51071400b51eedb1be90a8188

SHA1
0efc35935957c25193bbe9a83ab6caa25a487ada

SHA256
2f2aba1e074f5f4baa08b524875461889f8f04d4ffc43972ac212e286022ab94

SHA512
4c501c7135962e2f02b68d6069f2191ddb76f990528dacd209955a44972122718b9598400ba829abab2d4345b4e1a4b93453c8e7ba42080bd492a34cf8443e7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\WindowsLoader.exe

Filesize
3.8MB

MD5
323c0fd51071400b51eedb1be90a8188

SHA1
0efc35935957c25193bbe9a83ab6caa25a487ada

SHA256
2f2aba1e074f5f4baa08b524875461889f8f04d4ffc43972ac212e286022ab94

SHA512
4c501c7135962e2f02b68d6069f2191ddb76f990528dacd209955a44972122718b9598400ba829abab2d4345b4e1a4b93453c8e7ba42080bd492a34cf8443e7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\sfx.dll

Filesize
2.7MB

MD5
886163cbb48343bb0a22aa0c16314f05

SHA1
c5208edce4a1015156e5eaa48256f1ed80e4c29d

SHA256
ecf37b14689cbf7f2b31cabfa635109ec42ae69a7243b9f07bf86cbb15908e29

SHA512
15aa1bd16d8d68c32d6f695467305eff9ff20d3347cca20c51f3eeaa29cb48942aed3f353102c39b1753fcaf9f973a207fdb59e7bdff9e553f929eafe75be739

Download Submit
C:\Users\Admin\AppData\Local\Temp\sfx.dll

Filesize
2.7MB

MD5
886163cbb48343bb0a22aa0c16314f05

SHA1
c5208edce4a1015156e5eaa48256f1ed80e4c29d

SHA256
ecf37b14689cbf7f2b31cabfa635109ec42ae69a7243b9f07bf86cbb15908e29

SHA512
15aa1bd16d8d68c32d6f695467305eff9ff20d3347cca20c51f3eeaa29cb48942aed3f353102c39b1753fcaf9f973a207fdb59e7bdff9e553f929eafe75be739

Download Submit
\Users\Admin\AppData\Local\Temp\WindowsLoader.exe

Filesize
3.8MB

MD5
323c0fd51071400b51eedb1be90a8188

SHA1
0efc35935957c25193bbe9a83ab6caa25a487ada

SHA256
2f2aba1e074f5f4baa08b524875461889f8f04d4ffc43972ac212e286022ab94

SHA512
4c501c7135962e2f02b68d6069f2191ddb76f990528dacd209955a44972122718b9598400ba829abab2d4345b4e1a4b93453c8e7ba42080bd492a34cf8443e7e

Download Submit
\Users\Admin\AppData\Local\Temp\sfx.dll

Filesize
2.7MB

MD5
886163cbb48343bb0a22aa0c16314f05

SHA1
c5208edce4a1015156e5eaa48256f1ed80e4c29d

SHA256
ecf37b14689cbf7f2b31cabfa635109ec42ae69a7243b9f07bf86cbb15908e29

SHA512
15aa1bd16d8d68c32d6f695467305eff9ff20d3347cca20c51f3eeaa29cb48942aed3f353102c39b1753fcaf9f973a207fdb59e7bdff9e553f929eafe75be739

Download Submit
memory/2092-63-0x00000000023C0000-0x00000000024A4000-memory.dmp

Filesize
912KB

Download
memory/2092-62-0x00000000023C0000-0x00000000024A4000-memory.dmp

Filesize
912KB

Download
memory/2092-59-0x00000000023C0000-0x00000000024A4000-memory.dmp

Filesize
912KB

Download
memory/2092-58-0x00000000022C0000-0x00000000023BE000-memory.dmp

Filesize
1016KB

Download
memory/2092-51-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2092-64-0x0000000010000000-0x00000000102A9000-memory.dmp

Filesize
2.7MB

Download
memory/2092-50-0x0000000010000000-0x00000000102A9000-memory.dmp

Filesize
2.7MB

Download
memory/2456-7-0x0000000002DF0000-0x0000000003013000-memory.dmp

Filesize
2.1MB

Download
memory/2672-47-0x0000000002930000-0x0000000002941000-memory.dmp

Filesize
68KB

Download
memory/2672-53-0x0000000000400000-0x0000000000623000-memory.dmp

Filesize
2.1MB

Download
memory/2672-39-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download
memory/2672-31-0x0000000000650000-0x0000000000662000-memory.dmp

Filesize
72KB

Download
memory/2672-26-0x0000000000300000-0x0000000000310000-memory.dmp

Filesize
64KB

Download
memory/2672-19-0x0000000002480000-0x0000000002623000-memory.dmp

Filesize
1.6MB

Download
memory/2672-17-0x0000000000630000-0x0000000000643000-memory.dmp

Filesize
76KB

Download
memory/2672-78-0x0000000000670000-0x0000000000680000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads